Ghost/ghost/promise/test/pipeline_spec.js
Hannah Wolfe 7e20949956 Move tests from core to root (#11700)
- move all test files from core/test to test/
- updated all imports and other references
- all code inside of core/ is then application code
- tests are correctly at the root level
- consistent with other repos/projects

Co-authored-by: Kevin Ansfield <kevin@lookingsideways.co.uk>
2020-03-30 16:26:47 +01:00

98 lines
3.4 KiB
JavaScript

var should = require('should'),
sinon = require('sinon'),
Promise = require('bluebird'),
// Stuff we are testing
pipeline = require('../../../../core/server/lib/promise/pipeline');
// These tests are based on the tests in https://github.com/cujojs/when/blob/3.7.4/test/pipeline-test.js
function createTask(y) {
return function (x) {
return x + y;
};
}
describe('Pipeline', function () {
afterEach(function () {
sinon.restore();
});
it('should execute tasks in order', function () {
return pipeline([createTask('b'), createTask('c'), createTask('d')], 'a').then(function (result) {
result.should.eql('abcd');
});
});
it('should resolve to initial args when no tasks supplied', function () {
return pipeline([], 'a', 'b').then(function (result) {
result.should.eql(['a', 'b']);
});
});
it('should resolve to empty array when no tasks and no args supplied', function () {
return pipeline([]).then(function (result) {
result.should.eql([]);
});
});
it('should pass args to initial task', function () {
var expected = [1, 2, 3],
tasks = [sinon.spy()];
return pipeline(tasks, 1, 2, 3).then(function () {
tasks[0].calledOnce.should.be.true();
tasks[0].firstCall.args.should.eql(expected);
});
});
it('should allow initial args to be promises', function () {
var expected = [1, 2, 3],
tasks = [sinon.spy()],
Resolver = Promise.resolve;
return pipeline(tasks, new Resolver(1), new Resolver(2), new Resolver(3)).then(function () {
tasks[0].calledOnce.should.be.true();
tasks[0].firstCall.args.should.eql(expected);
});
});
it('should allow tasks to be promises', function () {
var expected = [1, 2, 3],
tasks = [
sinon.stub().returns(new Promise.resolve(4)),
sinon.stub().returns(new Promise.resolve(5)),
sinon.stub().returns(new Promise.resolve(6))
];
return pipeline(tasks, 1, 2, 3).then(function (result) {
result.should.eql(6);
tasks[0].calledOnce.should.be.true();
tasks[0].firstCall.args.should.eql(expected);
tasks[1].calledOnce.should.be.true();
tasks[1].firstCall.calledWith(4).should.be.true();
tasks[2].calledOnce.should.be.true();
tasks[2].firstCall.calledWith(5).should.be.true();
});
});
it('should allow tasks and args to be promises', function () {
var expected = [1, 2, 3],
tasks = [
sinon.stub().returns(new Promise.resolve(4)),
sinon.stub().returns(new Promise.resolve(5)),
sinon.stub().returns(new Promise.resolve(6))
],
Resolver = Promise.resolve;
return pipeline(tasks, new Resolver(1), new Resolver(2), new Resolver(3)).then(function (result) {
result.should.eql(6);
tasks[0].calledOnce.should.be.true();
tasks[0].firstCall.args.should.eql(expected);
tasks[1].calledOnce.should.be.true();
tasks[1].firstCall.calledWith(4).should.be.true();
tasks[2].calledOnce.should.be.true();
tasks[2].firstCall.calledWith(5).should.be.true();
});
});
});