node-bluebird/test/mocha/join.js

120 lines
3.8 KiB
JavaScript

"use strict";
/*
Based on When.js tests
Open Source Initiative OSI - The MIT License
http://www.opensource.org/licenses/mit-license.php
Copyright (c) 2011 Brian Cavalier
Permission is hereby granted, free of charge, to any person obtaining
a copy of this software and associated documentation files (the
"Software"), to deal in the Software without restriction, including
without limitation the rights to use, copy, modify, merge, publish,
distribute, sublicense, and/or sell copies of the Software, and to
permit persons to whom the Software is furnished to do so, subject to
the following conditions:
The above copyright notice and this permission notice shall be
included in all copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.*/
var assert = require("assert");
var testUtils = require("./helpers/util.js");
describe("Promise.join-test", function () {
specify("should resolve empty input", function() {
return Promise.join().then(
function(result) {
assert.deepEqual(result, []);
},
assert.fail
);
});
specify("should join values", function() {
return Promise.join(1, 2, 3).then(
function(results) {
assert.deepEqual(results, [1, 2, 3]);
},
assert.fail
);
});
specify("should join promises array", function() {
return Promise.join(Promise.resolve(1), Promise.resolve(2), Promise.resolve(3)).then(
function(results) {
assert.deepEqual(results, [1, 2, 3]);
},
assert.fail
);
});
specify("should join mixed array", function() {
return Promise.join(Promise.resolve(1), 2, Promise.resolve(3), 4).then(
function(results) {
assert.deepEqual(results, [1, 2, 3, 4]);
},
assert.fail
);
});
specify("should reject if any input promise rejects", function() {
return Promise.join(Promise.resolve(1), Promise.reject(2), Promise.resolve(3)).then(
assert.fail,
function(err) {
assert.deepEqual(err, 2);
}
);
});
specify("should call last argument as a spread function", function() {
return Promise.join(Promise.resolve(1), Promise.resolve(2), Promise.resolve(3), function(a, b, c) {
assert(a === 1);
assert(b === 2);
assert(c === 3);
});
});
specify("gh-227", function() {
function a() {
return Promise.join(Promise.resolve(1), function () {
throw new Error();
});
}
return a().then(assert.fail, function(e) {});
});
specify("should not pass the callback as argument, <5 arguments", function() {
return Promise.join(1, 2, 3, function() {
assert.strictEqual(arguments.length, 3);
});
});
specify("should not pass the callback as argument >5 arguments", function() {
return Promise.join(1, 2, 3, 4, 5, 6, 7, function() {
assert.strictEqual(arguments.length, 7);
});
});
specify("should ensure asynchronity", function() {
var sync = false;
Promise.join(Promise.resolve(1), Promise.resolve(2), function() {
sync = true;
});
assert.strictEqual(false, sync);
})
});