prosody: spec/util_promise_spec.lua@cb88d729e98d (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
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	141	describe("race()", function ()
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	142	it("works with fulfilled promises", function ()
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	143	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	144	local p = promise.race({ p1, p2 });
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	145	local result;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	146	p:next(function (v)
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	147	result = v;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	148	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	149	assert.equal("yep", result);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	150	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	151	it("works with pending promises", function ()
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	152	local r1, r2;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	153	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	154	local p = promise.race({ p1, p2 });
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	155
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	156	local result;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	157	local cb = spy.new(function (v)
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	158	result = v;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	159	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	160	p:next(cb);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	161	assert.spy(cb).was_called(0);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	162	r2("yep");
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	163	r1("nope");
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	164	assert.spy(cb).was_called(1);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	165	assert.equal("yep", result);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	166	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	167	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	168	describe("all()", function ()
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	169	it("works with fulfilled promises", function ()
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	170	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	171	local p = promise.all({ p1, p2 });
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	172	local result;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	173	p:next(function (v)
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	174	result = v;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	175	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	176	assert.same({ "yep", "nope" }, result);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	177	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	178	it("works with pending promises", function ()
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	179	local r1, r2;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	180	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	181	local p = promise.all({ p1, p2 });
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	182
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	183	local result;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	184	local cb = spy.new(function (v)
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	185	result = v;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	186	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	187	p:next(cb);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	188	assert.spy(cb).was_called(0);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	189	r2("yep");
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	190	assert.spy(cb).was_called(0);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	191	r1("nope");
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	192	assert.spy(cb).was_called(1);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	193	assert.same({ "nope", "yep" }, result);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	194	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	195	it("rejects if any promise rejects", function ()
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	196	local r1, r2;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	197	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	198	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	199	local p = promise.all({ p1, p2 });
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	200
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	201	local result;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	202	local cb = spy.new(function (v)
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	203	result = v;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	204	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	205	local cb_err = spy.new(function (v)
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	206	result = v;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	207	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	208	p:next(cb, cb_err);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	209	assert.spy(cb).was_called(0);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	210	assert.spy(cb_err).was_called(0);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	211	r2("fail");
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	212	assert.spy(cb).was_called(0);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	213	assert.spy(cb_err).was_called(1);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	214	r1("nope");
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	215	assert.spy(cb).was_called(0);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	216	assert.spy(cb_err).was_called(1);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	217	assert.equal("fail", result);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	218	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	219	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	220	describe("catch()", function ()
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	221	it("works", function ()
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	222	local result;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	223	local p = promise.new(function (resolve)
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	224	error({ foo = true });
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	225	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	226	local cb1 = spy.new(function (v)
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	227	result = v;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	228	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	229	assert.spy(cb1).was_called(0);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	230	p:catch(cb1);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	231	assert.spy(cb1).was_called(1);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	232	assert.same({ foo = true }, result);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	233	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	234	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	235	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	236	local r1, r2;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	237	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	238
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	239	local result;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	240	local cb = spy.new(function (v)
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	241	result = v;
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	242	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	243	p1:next(cb);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	244	assert.spy(cb).was_called(0);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	245
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	246	r1(p2);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	247	assert.spy(cb).was_called(0);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	248	r2("yep");
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	249	assert.spy(cb).was_called(1);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	250	assert.equal("yep", result);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	251	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	252	describe("reject()", function ()
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	253	it("returns a rejected promise", function ()
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	254	local p = promise.reject("foo");
9460 d01cff2f7a26 util.promise tests: Fix luacheck warnings Matthew Wild <mwild1@gmail.com> parents: 9459 diff changeset	255	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	256	p:catch(cb);
9459 d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	257	assert.spy(cb).was_called(1);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	258	assert.spy(cb).was_called_with("foo");
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	259	end);
9514 cb88d729e98d util.promise: Add additional test for promise.reject() Matthew Wild <mwild1@gmail.com> parents: 9513 diff changeset	260	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	261	local p = promise.reject("foo");
cb88d729e98d util.promise: Add additional test for promise.reject() Matthew Wild <mwild1@gmail.com> parents: 9513 diff changeset	262	local cb = spy.new(function () end);
cb88d729e98d util.promise: Add additional test for promise.reject() Matthew Wild <mwild1@gmail.com> parents: 9513 diff changeset	263	p:next(cb);
cb88d729e98d util.promise: Add additional test for promise.reject() Matthew Wild <mwild1@gmail.com> parents: 9513 diff changeset	264	assert.spy(cb).was_called(0);
cb88d729e98d util.promise: Add additional test for promise.reject() Matthew Wild <mwild1@gmail.com> parents: 9513 diff changeset	265	end);
9459 d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	266	end);
d54a0e129af8 util.promise: ES6-like API for promises Matthew Wild <mwild1@gmail.com> parents: diff changeset	267	end);

author	Matthew Wild <mwild1@gmail.com>
	Thu, 18 Oct 2018 12:04:14 +0100
changeset 9514	cb88d729e98d
parent 9513	8ef46d09386a
child 9517	9db707a86a25
permissions	-rw-r--r--