prosody: spec/util_promise_spec.lua@783056b4e448 (annotated)

9459 d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	1	local promise = require "util.promise";
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	2
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	3	describe("util.promise", function ()
9460 d01cff2f7a26 util.promise tests: Fix luacheck warnings Matthew Wild <mwild1@gmail.com> parents: 9459 diff changeset	4	--luacheck: ignore 212/resolve 212/reject
9459 d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	5	describe("new()", function ()
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	6	it("returns a promise object", function ()
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	7	assert(promise.new());
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	8	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	9	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	10	it("notifies immediately for fulfilled promises", function ()
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	11	local p = promise.new(function (resolve)
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	12	resolve("foo");
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	13	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	14	local cb = spy.new(function (v)
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	15	assert.equal("foo", v);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	16	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	17	p:next(cb);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	18	assert.spy(cb).was_called(1);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	19	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	20	it("notifies on fulfilment of pending promises", function ()
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	21	local r;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	22	local p = promise.new(function (resolve)
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	23	r = resolve;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	24	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	25	local cb = spy.new(function (v)
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	26	assert.equal("foo", v);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	27	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	28	p:next(cb);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	29	assert.spy(cb).was_called(0);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	30	r("foo");
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	31	assert.spy(cb).was_called(1);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	32	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	33	it("allows chaining :next() calls", function ()
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	34	local r;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	35	local result;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	36	local p = promise.new(function (resolve)
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	37	r = resolve;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	38	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	39	local cb1 = spy.new(function (v)
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	40	assert.equal("foo", v);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	41	return "bar";
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	42	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	43	local cb2 = spy.new(function (v)
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	44	assert.equal("bar", v);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	45	result = v;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	46	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	47	p:next(cb1):next(cb2);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	48	assert.spy(cb1).was_called(0);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	49	assert.spy(cb2).was_called(0);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	50	r("foo");
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	51	assert.spy(cb1).was_called(1);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	52	assert.spy(cb2).was_called(1);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	53	assert.equal("bar", result);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	54	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	55	it("supports multiple :next() calls on the same promise", function ()
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	56	local r;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	57	local result;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	58	local p = promise.new(function (resolve)
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	59	r = resolve;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	60	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	61	local cb1 = spy.new(function (v)
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	62	assert.equal("foo", v);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	63	result = v;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	64	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	65	local cb2 = spy.new(function (v)
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	66	assert.equal("foo", v);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	67	result = v;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	68	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	69	p:next(cb1);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	70	p:next(cb2);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	71	assert.spy(cb1).was_called(0);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	72	assert.spy(cb2).was_called(0);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	73	r("foo");
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	74	assert.spy(cb1).was_called(1);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	75	assert.spy(cb2).was_called(1);
9460 d01cff2f7a26 util.promise tests: Fix luacheck warnings Matthew Wild <mwild1@gmail.com> parents: 9459 diff changeset	76	assert.equal("foo", result);
9459 d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	77	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	78	it("automatically rejects on error", function ()
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	79	local r;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	80	local p = promise.new(function (resolve)
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	81	r = resolve;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	82	error("oh no");
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	83	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	84	local cb = spy.new(function () end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	85	local err_cb = spy.new(function (v)
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	86	assert.equal("oh no", v);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	87	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	88	p:next(cb, err_cb);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	89	assert.spy(cb).was_called(0);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	90	assert.spy(err_cb).was_called(1);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	91	r("foo");
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	92	assert.spy(cb).was_called(0);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	93	assert.spy(err_cb).was_called(1);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	94	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	95	it("supports reject()", function ()
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	96	local r, result;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	97	local p = promise.new(function (resolve, reject)
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	98	r = reject;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	99	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	100	local cb = spy.new(function () end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	101	local err_cb = spy.new(function (v)
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	102	result = v;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	103	assert.equal("oh doh", v);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	104	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	105	p:next(cb, err_cb);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	106	assert.spy(cb).was_called(0);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	107	assert.spy(err_cb).was_called(0);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	108	r("oh doh");
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	109	assert.spy(cb).was_called(0);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	110	assert.spy(err_cb).was_called(1);
9460 d01cff2f7a26 util.promise tests: Fix luacheck warnings Matthew Wild <mwild1@gmail.com> parents: 9459 diff changeset	111	assert.equal("oh doh", result);
9459 d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	112	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	113	it("supports chaining of rejected promises", function ()
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	114	local r, result;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	115	local p = promise.new(function (resolve, reject)
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	116	r = reject;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	117	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	118	local cb = spy.new(function () end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	119	local err_cb = spy.new(function (v)
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	120	result = v;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	121	assert.equal("oh doh", v);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	122	return "ok"
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	123	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	124	local cb2 = spy.new(function (v)
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	125	result = v;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	126	end);
9460 d01cff2f7a26 util.promise tests: Fix luacheck warnings Matthew Wild <mwild1@gmail.com> parents: 9459 diff changeset	127	local err_cb2 = spy.new(function () end);
9459 d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	128	p:next(cb, err_cb):next(cb2, err_cb2)
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	129	assert.spy(cb).was_called(0);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	130	assert.spy(err_cb).was_called(0);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	131	assert.spy(cb2).was_called(0);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	132	assert.spy(err_cb2).was_called(0);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	133	r("oh doh");
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	134	assert.spy(cb).was_called(0);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	135	assert.spy(err_cb).was_called(1);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	136	assert.spy(cb2).was_called(1);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	137	assert.spy(err_cb2).was_called(0);
9460 d01cff2f7a26 util.promise tests: Fix luacheck warnings Matthew Wild <mwild1@gmail.com> parents: 9459 diff changeset	138	assert.equal("ok", result);
9459 d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	139	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	140
9552 800c274928bf util.promise: Ensure chained promises always receive a value/rejection even if an intermediate promise has no handlers Matthew Wild <mwild1@gmail.com> parents: 9520 diff changeset	141	it("propagates errors down the chain, even when some handlers are not provided", function ()
800c274928bf util.promise: Ensure chained promises always receive a value/rejection even if an intermediate promise has no handlers Matthew Wild <mwild1@gmail.com> parents: 9520 diff changeset	142	local r, result;
800c274928bf util.promise: Ensure chained promises always receive a value/rejection even if an intermediate promise has no handlers Matthew Wild <mwild1@gmail.com> parents: 9520 diff changeset	143	local test_error = {};
800c274928bf util.promise: Ensure chained promises always receive a value/rejection even if an intermediate promise has no handlers Matthew Wild <mwild1@gmail.com> parents: 9520 diff changeset	144	local p = promise.new(function (resolve, reject)
9553 98de4c2e2627 util.promise: Fix missing parameters Matthew Wild <mwild1@gmail.com> parents: 9552 diff changeset	145	r = reject;
9552 800c274928bf util.promise: Ensure chained promises always receive a value/rejection even if an intermediate promise has no handlers Matthew Wild <mwild1@gmail.com> parents: 9520 diff changeset	146	end);
800c274928bf util.promise: Ensure chained promises always receive a value/rejection even if an intermediate promise has no handlers Matthew Wild <mwild1@gmail.com> parents: 9520 diff changeset	147	local cb = spy.new(function () end);
800c274928bf util.promise: Ensure chained promises always receive a value/rejection even if an intermediate promise has no handlers Matthew Wild <mwild1@gmail.com> parents: 9520 diff changeset	148	local err_cb = spy.new(function (e) result = e end);
800c274928bf util.promise: Ensure chained promises always receive a value/rejection even if an intermediate promise has no handlers Matthew Wild <mwild1@gmail.com> parents: 9520 diff changeset	149	local p2 = p:next(function () error(test_error) end);
800c274928bf util.promise: Ensure chained promises always receive a value/rejection even if an intermediate promise has no handlers Matthew Wild <mwild1@gmail.com> parents: 9520 diff changeset	150	local p3 = p2:next(cb)
800c274928bf util.promise: Ensure chained promises always receive a value/rejection even if an intermediate promise has no handlers Matthew Wild <mwild1@gmail.com> parents: 9520 diff changeset	151	p3:catch(err_cb);
800c274928bf util.promise: Ensure chained promises always receive a value/rejection even if an intermediate promise has no handlers Matthew Wild <mwild1@gmail.com> parents: 9520 diff changeset	152	assert.spy(cb).was_called(0);
800c274928bf util.promise: Ensure chained promises always receive a value/rejection even if an intermediate promise has no handlers Matthew Wild <mwild1@gmail.com> parents: 9520 diff changeset	153	assert.spy(err_cb).was_called(0);
800c274928bf util.promise: Ensure chained promises always receive a value/rejection even if an intermediate promise has no handlers Matthew Wild <mwild1@gmail.com> parents: 9520 diff changeset	154	r("oh doh");
800c274928bf util.promise: Ensure chained promises always receive a value/rejection even if an intermediate promise has no handlers Matthew Wild <mwild1@gmail.com> parents: 9520 diff changeset	155	assert.spy(cb).was_called(0);
800c274928bf util.promise: Ensure chained promises always receive a value/rejection even if an intermediate promise has no handlers Matthew Wild <mwild1@gmail.com> parents: 9520 diff changeset	156	assert.spy(err_cb).was_called(1);
9553 98de4c2e2627 util.promise: Fix missing parameters Matthew Wild <mwild1@gmail.com> parents: 9552 diff changeset	157	assert.spy(err_cb).was_called_with("oh doh");
98de4c2e2627 util.promise: Fix missing parameters Matthew Wild <mwild1@gmail.com> parents: 9552 diff changeset	158	assert.equal("oh doh", result);
9552 800c274928bf util.promise: Ensure chained promises always receive a value/rejection even if an intermediate promise has no handlers Matthew Wild <mwild1@gmail.com> parents: 9520 diff changeset	159	end);
800c274928bf util.promise: Ensure chained promises always receive a value/rejection even if an intermediate promise has no handlers Matthew Wild <mwild1@gmail.com> parents: 9520 diff changeset	160
800c274928bf util.promise: Ensure chained promises always receive a value/rejection even if an intermediate promise has no handlers Matthew Wild <mwild1@gmail.com> parents: 9520 diff changeset	161	it("propagates values down the chain, even when some handlers are not provided", function ()
800c274928bf util.promise: Ensure chained promises always receive a value/rejection even if an intermediate promise has no handlers Matthew Wild <mwild1@gmail.com> parents: 9520 diff changeset	162	local r;
800c274928bf util.promise: Ensure chained promises always receive a value/rejection even if an intermediate promise has no handlers Matthew Wild <mwild1@gmail.com> parents: 9520 diff changeset	163	local p = promise.new(function (resolve, reject)
800c274928bf util.promise: Ensure chained promises always receive a value/rejection even if an intermediate promise has no handlers Matthew Wild <mwild1@gmail.com> parents: 9520 diff changeset	164	r = resolve;
800c274928bf util.promise: Ensure chained promises always receive a value/rejection even if an intermediate promise has no handlers Matthew Wild <mwild1@gmail.com> parents: 9520 diff changeset	165	end);
800c274928bf util.promise: Ensure chained promises always receive a value/rejection even if an intermediate promise has no handlers Matthew Wild <mwild1@gmail.com> parents: 9520 diff changeset	166	local cb = spy.new(function () end);
800c274928bf util.promise: Ensure chained promises always receive a value/rejection even if an intermediate promise has no handlers Matthew Wild <mwild1@gmail.com> parents: 9520 diff changeset	167	local err_cb = spy.new(function () end);
800c274928bf util.promise: Ensure chained promises always receive a value/rejection even if an intermediate promise has no handlers Matthew Wild <mwild1@gmail.com> parents: 9520 diff changeset	168	local p2 = p:next(function (v) return v; end);
800c274928bf util.promise: Ensure chained promises always receive a value/rejection even if an intermediate promise has no handlers Matthew Wild <mwild1@gmail.com> parents: 9520 diff changeset	169	local p3 = p2:catch(err_cb)
800c274928bf util.promise: Ensure chained promises always receive a value/rejection even if an intermediate promise has no handlers Matthew Wild <mwild1@gmail.com> parents: 9520 diff changeset	170	p3:next(cb);
800c274928bf util.promise: Ensure chained promises always receive a value/rejection even if an intermediate promise has no handlers Matthew Wild <mwild1@gmail.com> parents: 9520 diff changeset	171	assert.spy(cb).was_called(0);
800c274928bf util.promise: Ensure chained promises always receive a value/rejection even if an intermediate promise has no handlers Matthew Wild <mwild1@gmail.com> parents: 9520 diff changeset	172	assert.spy(err_cb).was_called(0);
800c274928bf util.promise: Ensure chained promises always receive a value/rejection even if an intermediate promise has no handlers Matthew Wild <mwild1@gmail.com> parents: 9520 diff changeset	173	r(1337);
800c274928bf util.promise: Ensure chained promises always receive a value/rejection even if an intermediate promise has no handlers Matthew Wild <mwild1@gmail.com> parents: 9520 diff changeset	174	assert.spy(cb).was_called(1);
800c274928bf util.promise: Ensure chained promises always receive a value/rejection even if an intermediate promise has no handlers Matthew Wild <mwild1@gmail.com> parents: 9520 diff changeset	175	assert.spy(cb).was_called_with(1337);
800c274928bf util.promise: Ensure chained promises always receive a value/rejection even if an intermediate promise has no handlers Matthew Wild <mwild1@gmail.com> parents: 9520 diff changeset	176	assert.spy(err_cb).was_called(0);
800c274928bf util.promise: Ensure chained promises always receive a value/rejection even if an intermediate promise has no handlers Matthew Wild <mwild1@gmail.com> parents: 9520 diff changeset	177	end);
800c274928bf util.promise: Ensure chained promises always receive a value/rejection even if an intermediate promise has no handlers Matthew Wild <mwild1@gmail.com> parents: 9520 diff changeset	178
9553 98de4c2e2627 util.promise: Fix missing parameters Matthew Wild <mwild1@gmail.com> parents: 9552 diff changeset	179	it("fulfilled promises do not call error handlers and do propagate value", function ()
98de4c2e2627 util.promise: Fix missing parameters Matthew Wild <mwild1@gmail.com> parents: 9552 diff changeset	180	local p = promise.resolve("foo");
98de4c2e2627 util.promise: Fix missing parameters Matthew Wild <mwild1@gmail.com> parents: 9552 diff changeset	181	local cb = spy.new(function () end);
98de4c2e2627 util.promise: Fix missing parameters Matthew Wild <mwild1@gmail.com> parents: 9552 diff changeset	182	local p2 = p:catch(cb);
98de4c2e2627 util.promise: Fix missing parameters Matthew Wild <mwild1@gmail.com> parents: 9552 diff changeset	183	assert.spy(cb).was_called(0);
98de4c2e2627 util.promise: Fix missing parameters Matthew Wild <mwild1@gmail.com> parents: 9552 diff changeset	184
98de4c2e2627 util.promise: Fix missing parameters Matthew Wild <mwild1@gmail.com> parents: 9552 diff changeset	185	local cb2 = spy.new(function () end);
9554 7421379ba464 util.promise tests: Fix declared but unused variables Matthew Wild <mwild1@gmail.com> parents: 9553 diff changeset	186	p2:catch(cb2);
9553 98de4c2e2627 util.promise: Fix missing parameters Matthew Wild <mwild1@gmail.com> parents: 9552 diff changeset	187	assert.spy(cb2).was_called(0);
98de4c2e2627 util.promise: Fix missing parameters Matthew Wild <mwild1@gmail.com> parents: 9552 diff changeset	188	end);
98de4c2e2627 util.promise: Fix missing parameters Matthew Wild <mwild1@gmail.com> parents: 9552 diff changeset	189
98de4c2e2627 util.promise: Fix missing parameters Matthew Wild <mwild1@gmail.com> parents: 9552 diff changeset	190	it("rejected promises do not call fulfilled handlers and do propagate reason", function ()
98de4c2e2627 util.promise: Fix missing parameters Matthew Wild <mwild1@gmail.com> parents: 9552 diff changeset	191	local p = promise.reject("foo");
98de4c2e2627 util.promise: Fix missing parameters Matthew Wild <mwild1@gmail.com> parents: 9552 diff changeset	192	local cb = spy.new(function () end);
98de4c2e2627 util.promise: Fix missing parameters Matthew Wild <mwild1@gmail.com> parents: 9552 diff changeset	193	local p2 = p:next(cb);
98de4c2e2627 util.promise: Fix missing parameters Matthew Wild <mwild1@gmail.com> parents: 9552 diff changeset	194	assert.spy(cb).was_called(0);
98de4c2e2627 util.promise: Fix missing parameters Matthew Wild <mwild1@gmail.com> parents: 9552 diff changeset	195
98de4c2e2627 util.promise: Fix missing parameters Matthew Wild <mwild1@gmail.com> parents: 9552 diff changeset	196	local cb2 = spy.new(function () end);
98de4c2e2627 util.promise: Fix missing parameters Matthew Wild <mwild1@gmail.com> parents: 9552 diff changeset	197	local cb2_err = spy.new(function () end);
9554 7421379ba464 util.promise tests: Fix declared but unused variables Matthew Wild <mwild1@gmail.com> parents: 9553 diff changeset	198	p2:next(cb2, cb2_err);
9553 98de4c2e2627 util.promise: Fix missing parameters Matthew Wild <mwild1@gmail.com> parents: 9552 diff changeset	199	assert.spy(cb2).was_called(0);
98de4c2e2627 util.promise: Fix missing parameters Matthew Wild <mwild1@gmail.com> parents: 9552 diff changeset	200	assert.spy(cb2_err).was_called(1);
98de4c2e2627 util.promise: Fix missing parameters Matthew Wild <mwild1@gmail.com> parents: 9552 diff changeset	201	assert.spy(cb2_err).was_called_with("foo");
98de4c2e2627 util.promise: Fix missing parameters Matthew Wild <mwild1@gmail.com> parents: 9552 diff changeset	202	end);
98de4c2e2627 util.promise: Fix missing parameters Matthew Wild <mwild1@gmail.com> parents: 9552 diff changeset	203
9560 d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	204	describe("allows callbacks to return", function ()
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	205	it("pending promises", function ()
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	206	local r;
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	207	local p = promise.resolve()
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	208	local cb = spy.new(function ()
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	209	return promise.new(function (resolve)
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	210	r = resolve;
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	211	end);
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	212	end);
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	213	local cb2 = spy.new(function () end);
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	214	p:next(cb):next(cb2);
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	215	assert.spy(cb).was_called(1);
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	216	assert.spy(cb2).was_called(0);
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	217	r("hello");
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	218	assert.spy(cb).was_called(1);
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	219	assert.spy(cb2).was_called(1);
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	220	assert.spy(cb2).was_called_with("hello");
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	221	end);
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	222
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	223	it("resolved promises", function ()
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	224	local p = promise.resolve()
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	225	local cb = spy.new(function ()
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	226	return promise.resolve("hello");
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	227	end);
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	228	local cb2 = spy.new(function () end);
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	229	p:next(cb):next(cb2);
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	230	assert.spy(cb).was_called(1);
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	231	assert.spy(cb2).was_called(1);
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	232	assert.spy(cb2).was_called_with("hello");
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	233	end);
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	234
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	235	it("rejected promises", function ()
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	236	local p = promise.resolve()
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	237	local cb = spy.new(function ()
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	238	return promise.reject("hello");
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	239	end);
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	240	local cb2 = spy.new(function ()
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	241	return promise.reject("goodbye");
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	242	end);
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	243	local cb3 = spy.new(function () end);
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	244	p:next(cb):catch(cb2):catch(cb3);
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	245	assert.spy(cb).was_called(1);
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	246	assert.spy(cb2).was_called(1);
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	247	assert.spy(cb2).was_called_with("hello");
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	248	assert.spy(cb3).was_called(1);
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	249	assert.spy(cb3).was_called_with("goodbye");
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	250	end);
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	251	end);
d7fdd418adf8 util.promise: Add tests ensuring returning a promise resolves the current promise with that promise Matthew Wild <mwild1@gmail.com> parents: 9554 diff changeset	252
9459 d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	253	describe("race()", function ()
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	254	it("works with fulfilled promises", function ()
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	255	local p1, p2 = promise.resolve("yep"), promise.resolve("nope");
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	256	local p = promise.race({ p1, p2 });
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	257	local result;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	258	p:next(function (v)
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	259	result = v;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	260	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	261	assert.equal("yep", result);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	262	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	263	it("works with pending promises", function ()
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	264	local r1, r2;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	265	local p1, p2 = promise.new(function (resolve) r1 = resolve end), promise.new(function (resolve) r2 = resolve end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	266	local p = promise.race({ p1, p2 });
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	267
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	268	local result;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	269	local cb = spy.new(function (v)
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	270	result = v;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	271	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	272	p:next(cb);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	273	assert.spy(cb).was_called(0);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	274	r2("yep");
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	275	r1("nope");
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	276	assert.spy(cb).was_called(1);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	277	assert.equal("yep", result);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	278	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	279	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	280	describe("all()", function ()
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	281	it("works with fulfilled promises", function ()
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	282	local p1, p2 = promise.resolve("yep"), promise.resolve("nope");
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	283	local p = promise.all({ p1, p2 });
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	284	local result;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	285	p:next(function (v)
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	286	result = v;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	287	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	288	assert.same({ "yep", "nope" }, result);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	289	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	290	it("works with pending promises", function ()
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	291	local r1, r2;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	292	local p1, p2 = promise.new(function (resolve) r1 = resolve end), promise.new(function (resolve) r2 = resolve end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	293	local p = promise.all({ p1, p2 });
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	294
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	295	local result;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	296	local cb = spy.new(function (v)
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	297	result = v;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	298	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	299	p:next(cb);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	300	assert.spy(cb).was_called(0);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	301	r2("yep");
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	302	assert.spy(cb).was_called(0);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	303	r1("nope");
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	304	assert.spy(cb).was_called(1);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	305	assert.same({ "nope", "yep" }, result);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	306	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	307	it("rejects if any promise rejects", function ()
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	308	local r1, r2;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	309	local p1 = promise.new(function (resolve, reject) r1 = reject end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	310	local p2 = promise.new(function (resolve, reject) r2 = reject end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	311	local p = promise.all({ p1, p2 });
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	312
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	313	local result;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	314	local cb = spy.new(function (v)
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	315	result = v;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	316	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	317	local cb_err = spy.new(function (v)
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	318	result = v;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	319	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	320	p:next(cb, cb_err);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	321	assert.spy(cb).was_called(0);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	322	assert.spy(cb_err).was_called(0);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	323	r2("fail");
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	324	assert.spy(cb).was_called(0);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	325	assert.spy(cb_err).was_called(1);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	326	r1("nope");
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	327	assert.spy(cb).was_called(0);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	328	assert.spy(cb_err).was_called(1);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	329	assert.equal("fail", result);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	330	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	331	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	332	describe("catch()", function ()
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	333	it("works", function ()
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	334	local result;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	335	local p = promise.new(function (resolve)
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	336	error({ foo = true });
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	337	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	338	local cb1 = spy.new(function (v)
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	339	result = v;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	340	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	341	assert.spy(cb1).was_called(0);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	342	p:catch(cb1);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	343	assert.spy(cb1).was_called(1);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	344	assert.same({ foo = true }, result);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	345	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	346	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	347	it("promises may be resolved by other promises", function ()
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	348	local r1, r2;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	349	local p1, p2 = promise.new(function (resolve) r1 = resolve end), promise.new(function (resolve) r2 = resolve end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	350
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	351	local result;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	352	local cb = spy.new(function (v)
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	353	result = v;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	354	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	355	p1:next(cb);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	356	assert.spy(cb).was_called(0);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	357
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	358	r1(p2);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	359	assert.spy(cb).was_called(0);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	360	r2("yep");
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	361	assert.spy(cb).was_called(1);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	362	assert.equal("yep", result);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	363	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	364	describe("reject()", function ()
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	365	it("returns a rejected promise", function ()
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	366	local p = promise.reject("foo");
9460 d01cff2f7a26 util.promise tests: Fix luacheck warnings Matthew Wild <mwild1@gmail.com> parents: 9459 diff changeset	367	local cb = spy.new(function () end);
9513 8ef46d09386a util.promise: Fix promise.reject() to return a rejected promise, and fix buggy test for it Matthew Wild <mwild1@gmail.com> parents: 9460 diff changeset	368	p:catch(cb);
9459 d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	369	assert.spy(cb).was_called(1);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	370	assert.spy(cb).was_called_with("foo");
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	371	end);
9514 cb88d729e98d util.promise: Add additional test for promise.reject() Matthew Wild <mwild1@gmail.com> parents: 9513 diff changeset	372	it("returns a rejected promise and does not call on_fulfilled", function ()
cb88d729e98d util.promise: Add additional test for promise.reject() Matthew Wild <mwild1@gmail.com> parents: 9513 diff changeset	373	local p = promise.reject("foo");
cb88d729e98d util.promise: Add additional test for promise.reject() Matthew Wild <mwild1@gmail.com> parents: 9513 diff changeset	374	local cb = spy.new(function () end);
cb88d729e98d util.promise: Add additional test for promise.reject() Matthew Wild <mwild1@gmail.com> parents: 9513 diff changeset	375	p:next(cb);
cb88d729e98d util.promise: Add additional test for promise.reject() Matthew Wild <mwild1@gmail.com> parents: 9513 diff changeset	376	assert.spy(cb).was_called(0);
cb88d729e98d util.promise: Add additional test for promise.reject() Matthew Wild <mwild1@gmail.com> parents: 9513 diff changeset	377	end);
9459 d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	378	end);
9517 9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	379	describe("finally()", function ()
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	380	local p, p2, resolve, reject, on_finally;
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	381	before_each(function ()
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	382	p = promise.new(function (_resolve, _reject)
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	383	resolve, reject = _resolve, _reject;
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	384	end);
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	385	on_finally = spy.new(function () end);
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	386	p2 = p:finally(on_finally);
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	387	end);
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	388	it("runs when a promise is resolved", function ()
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	389	assert.spy(on_finally).was_called(0);
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	390	resolve("foo");
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	391	assert.spy(on_finally).was_called(1);
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	392	assert.spy(on_finally).was_not_called_with("foo");
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	393	end);
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	394	it("runs when a promise is rejected", function ()
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	395	assert.spy(on_finally).was_called(0);
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	396	reject("foo");
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	397	assert.spy(on_finally).was_called(1);
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	398	assert.spy(on_finally).was_not_called_with("foo");
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	399	end);
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	400	it("returns a promise that fulfills with the original value", function ()
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	401	local cb2 = spy.new(function () end);
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	402	p2:next(cb2);
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	403	assert.spy(on_finally).was_called(0);
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	404	assert.spy(cb2).was_called(0);
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	405	resolve("foo");
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	406	assert.spy(on_finally).was_called(1);
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	407	assert.spy(cb2).was_called(1);
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	408	assert.spy(on_finally).was_not_called_with("foo");
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	409	assert.spy(cb2).was_called_with("foo");
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	410	end);
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	411	it("returns a promise that rejects with the original error", function ()
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	412	local on_finally_err = spy.new(function () end);
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	413	local on_finally_ok = spy.new(function () end);
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	414	p2:catch(on_finally_err);
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	415	p2:next(on_finally_ok);
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	416	assert.spy(on_finally).was_called(0);
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	417	assert.spy(on_finally_err).was_called(0);
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	418	reject("foo");
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	419	assert.spy(on_finally).was_called(1);
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	420	-- Since the original promise was rejected, the finally promise should also be
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	421	assert.spy(on_finally_ok).was_called(0);
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	422	assert.spy(on_finally_err).was_called(1);
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	423	assert.spy(on_finally).was_not_called_with("foo");
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	424	assert.spy(on_finally_err).was_called_with("foo");
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	425	end);
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	426	it("returns a promise that rejects with an uncaught error inside on_finally", function ()
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	427	p = promise.new(function (_resolve, _reject)
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	428	resolve, reject = _resolve, _reject;
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	429	end);
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	430	local test_error = {};
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	431	on_finally = spy.new(function () error(test_error) end);
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	432	p2 = p:finally(on_finally);
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	433
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	434	local on_finally_err = spy.new(function () end);
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	435	p2:catch(on_finally_err);
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	436	assert.spy(on_finally).was_called(0);
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	437	assert.spy(on_finally_err).was_called(0);
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	438	reject("foo");
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	439	assert.spy(on_finally).was_called(1);
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	440	assert.spy(on_finally_err).was_called(1);
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	441	assert.spy(on_finally).was_not_called_with("foo");
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	442	assert.spy(on_finally).was_not_called_with(test_error);
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	443	assert.spy(on_finally_err).was_called_with(test_error);
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	444	end);
9db707a86a25 util.promise: Add promise:finally() Matthew Wild <mwild1@gmail.com> parents: 9514 diff changeset	445	end);
9520 b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	446	describe("try()", function ()
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	447	it("works with functions that return a promise", function ()
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	448	local resolve;
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	449	local p = promise.try(function ()
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	450	return promise.new(function (_resolve)
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	451	resolve = _resolve;
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	452	end);
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	453	end);
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	454	assert.is_function(resolve);
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	455	local on_resolved = spy.new(function () end);
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	456	p:next(on_resolved);
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	457	assert.spy(on_resolved).was_not_called();
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	458	resolve("foo");
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	459	assert.spy(on_resolved).was_called_with("foo");
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	460	end);
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	461
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	462	it("works with functions that return a value", function ()
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	463	local p = promise.try(function ()
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	464	return "foo";
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	465	end);
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	466	local on_resolved = spy.new(function () end);
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	467	p:next(on_resolved);
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	468	assert.spy(on_resolved).was_called_with("foo");
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	469	end);
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	470
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	471	it("works with functions that return a promise that rejects", function ()
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	472	local reject;
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	473	local p = promise.try(function ()
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	474	return promise.new(function (_, _reject)
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	475	reject = _reject;
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	476	end);
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	477	end);
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	478	assert.is_function(reject);
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	479	local on_rejected = spy.new(function () end);
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	480	p:catch(on_rejected);
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	481	assert.spy(on_rejected).was_not_called();
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	482	reject("foo");
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	483	assert.spy(on_rejected).was_called_with("foo");
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	484	end);
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	485
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	486	it("works with functions that throw errors", function ()
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	487	local test_error = {};
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	488	local p = promise.try(function ()
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	489	error(test_error);
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	490	end);
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	491	local on_rejected = spy.new(function () end);
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	492	p:catch(on_rejected);
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	493	assert.spy(on_rejected).was_called(1);
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	494	assert.spy(on_rejected).was_called_with(test_error);
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	495	end);
b1c6ede17592 util.promise: Add promise.try() Matthew Wild <mwild1@gmail.com> parents: 9517 diff changeset	496	end);
9459 d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	497	end);

author	Jonas Schäfer <jonas@wielicki.name>
	Mon, 10 Jan 2022 18:23:54 +0100
branch	0.11
changeset 12185	783056b4e448
parent 9560	d7fdd418adf8
child 10301	da9f21a70e52
permissions	-rw-r--r--