util.startup: Check root after detecting platform and reading config (thanks SigmaTel71)
Ensures that startup.detect_platform() runs so know whether to use the
POSIX method of checking the current user or something else. Also after
reading the config so we know whether the root override setting is set.
describe("parse", function()
local parse
setup(function() parse = require"util.argparse".parse; end);
it("works", function()
-- basic smoke test
local opts = parse({ "--help" });
assert.same({ help = true }, opts);
end);
it("returns if no args", function() assert.same({}, parse({})); end);
it("supports boolean flags", function()
local opts, err = parse({ "--foo"; "--no-bar" });
assert.falsy(err);
assert.same({ foo = true; bar = false }, opts);
end);
it("consumes input until the first argument", function()
local arg = { "--foo"; "bar"; "--baz" };
local opts, err = parse(arg);
assert.falsy(err);
assert.same({ foo = true, "bar", "--baz" }, opts);
assert.same({ "bar"; "--baz" }, arg);
end);
it("expands short options", function()
local opts, err = parse({ "--foo"; "-b" }, { short_params = { b = "bar" } });
assert.falsy(err);
assert.same({ foo = true; bar = true }, opts);
end);
it("supports value arguments", function()
local opts, err = parse({ "--foo"; "bar"; "--baz=moo" }, { value_params = { foo = true; bar = true } });
assert.falsy(err);
assert.same({ foo = "bar"; baz = "moo" }, opts);
end);
it("demands values for value params", function()
local opts, err, where = parse({ "--foo" }, { value_params = { foo = true } });
assert.falsy(opts);
assert.equal("missing-value", err);
assert.equal("--foo", where);
end);
it("reports where the problem is", function()
local opts, err, where = parse({ "-h" });
assert.falsy(opts);
assert.equal("param-not-found", err);
assert.equal("-h", where, "returned where");
end);
it("supports array arguments", function ()
local opts, err = parse({ "--item"; "foo"; "--item"; "bar" }, { array_params = { item = true } });
assert.falsy(err);
assert.same({"foo","bar"}, opts.item);
end)
end);