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282 lines (212 loc) · 8.95 KB
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'use strict';
const _ = require('lodash');
const proxyquire = require('proxyquire');
const Promise = require('bluebird');
const fs = Promise.promisifyAll(require('fs-extra'));
const path = require('path');
const RunnerFactory = require('../lib/runner');
const AllSuitesRunner = require('../lib/runner/all-suites-runner');
const mkDummyCollection = require('./test-utils').mkDummyCollection;
describe('lib/app', () => {
const sandbox = sinon.sandbox.create();
let suiteCollection;
let Gemini;
let App;
let app;
let runner;
const stubFs_ = () => {
sandbox.stub(fs, 'removeAsync').returns(Promise.resolve());
sandbox.stub(fs, 'mkdirpAsync').returns(Promise.resolve());
sandbox.stub(fs, 'copyAsync').returns(Promise.resolve());
sandbox.stub(fs, 'readJsonAsync').returns(Promise.resolve({}));
};
const mkApp_ = (config) => new App(config || {});
beforeEach(() => {
suiteCollection = mkDummyCollection();
runner = {emit: sandbox.spy()};
Gemini = sandbox.stub();
Gemini.prototype.browserIds = [];
Gemini.prototype.readTests = sandbox.stub().returns(Promise.resolve(suiteCollection));
Gemini.prototype.test = sandbox.stub().returns(Promise.resolve());
Gemini.prototype.on = sandbox.stub().yields(runner);
App = proxyquire('../lib/app', {
'./find-gemini': sandbox.stub().returns(Gemini)
});
app = mkApp_();
});
afterEach(() => sandbox.restore());
describe('initialize', () => {
beforeEach(() => stubFs_());
it('should remove old fs tree for current images dir if it exists', () => {
app.currentDir = 'current_dir';
return app.initialize()
.then(() => assert.calledWith(fs.removeAsync, 'current_dir'));
});
it('should remove old fs tree for diff images dir if it exists', () => {
app.diffDir = 'diff_dir';
return app.initialize()
.then(() => assert.calledWith(fs.removeAsync, 'diff_dir'));
});
it('should create new tree for current images dir', () => {
app.currentDir = 'current_dir';
return app.initialize()
.then(() => assert.calledWith(fs.mkdirpAsync, 'current_dir'));
});
it('should create new tree for diff images dir', () => {
app.currentDir = 'diff_dir';
return app.initialize()
.then(() => assert.calledWith(fs.mkdirpAsync, 'diff_dir'));
});
it('should read tests', () => {
const app = mkApp_({
testFiles: ['test_file', 'another_test_file']
});
return app.initialize()
.then(() => {
assert.calledWith(Gemini.prototype.readTests,
['test_file', 'another_test_file']);
});
});
it('should pass options from cli to Gemini', () => {
const app = mkApp_({
testFiles: ['test_file'],
grep: 'grep',
set: ['set']
});
return app.initialize()
.then(() => {
assert.calledWith(Gemini.prototype.readTests,
['test_file'], {grep: 'grep', sets: ['set']});
});
});
});
describe('run', () => {
it('should create and execute runner', () => {
const runnerInstance = sinon.createStubInstance(AllSuitesRunner);
sandbox.stub(RunnerFactory, 'create').returns(runnerInstance);
app.run();
assert.called(runnerInstance.run);
});
it('should pass run handler to runner which will execute gemeni', () => {
const runnerInstance = sinon.createStubInstance(AllSuitesRunner);
runnerInstance.run.yields();
sandbox.stub(RunnerFactory, 'create').returns(runnerInstance);
app.run();
assert.called(Gemini.prototype.test);
});
});
describe('addNoReferenceTest', () => {
beforeEach(() => sandbox.stub(app, 'addFailedTest'));
it('should add to test reference image path', () => {
const test = {
suite: {id: 1},
state: {name: 'state'},
browserId: 'browser'
};
sandbox.stub(app, 'getScreenshotPath').returns('some_screenshot_path');
app.addNoReferenceTest(test);
assert.equal(test.referencePath, 'some_screenshot_path');
});
it('should add test with no reference error to failed tests', () => {
const test = {
suite: {id: 1},
state: {name: 'state'},
browserId: 'browser'
};
sandbox.stub(app, 'getScreenshotPath');
app.addNoReferenceTest(test);
assert.calledWith(app.addFailedTest, test);
});
});
describe('updateReferenceImage', () => {
const mkDummyTest_ = (params) => {
return _.defaults(params || {}, {
suite: {path: 'default_suite_path'},
state: 'default_state',
browserId: 'default_browser',
referencePath: 'default/reference/path',
currentPath: 'default/current/path'
});
};
beforeEach(() => {
stubFs_();
sandbox.stub(app, 'refPathToURL');
});
it('should reject reference update if no failed test registered', () => {
const test = mkDummyTest_();
return assert.isRejected(app.updateReferenceImage(test), 'No such test failed');
});
it('should create directory tree for reference image before saving', () => {
const test = mkDummyTest_({referencePath: 'path/to/reference/image.png'});
app.addFailedTest(test);
return app.updateReferenceImage(test)
.then(() => assert.calledWith(fs.mkdirpAsync, 'path/to/reference'));
});
it('should copy current image to reference folder', () => {
const referencePath = 'path/to/reference/image.png';
const currentPath = 'path/to/current/image.png';
const test = mkDummyTest_({referencePath, currentPath});
app.addFailedTest(test);
return app.updateReferenceImage(test)
.then(() => assert.calledWith(fs.copyAsync, currentPath, referencePath));
});
it('should emit updateResult event with result argument by emit', () => {
const test = mkDummyTest_({referencePath: 'path/to/reference.png'});
const result = {
imagePath: 'path/to/reference.png',
updated: true,
suite: test.state.suite,
state: test.state,
browserId: test.browserId
};
app.addFailedTest(test);
return app.updateReferenceImage(test)
.then(() => assert.calledWithExactly(runner.emit, 'updateResult', result));
});
it('should emit updateResult event only after copy current image to reference folder', () => {
const test = mkDummyTest_();
app.addFailedTest(test);
return app.updateReferenceImage(test)
.then(() => assert.isTrue(runner.emit.calledAfter(fs.copyAsync)));
});
it('should be resolved with URL to updated reference', () => {
const test = mkDummyTest_();
app.refPathToURL.returns(Promise.resolve('http://dummy_ref.url'));
app.addFailedTest(test);
return app.updateReferenceImage(test)
.then((result) => assert.equal(result, 'http://dummy_ref.url'));
});
});
describe('refPathToURL', () => {
beforeEach(() => {
app.referenceDirs = {
'browser_id': 'browser_reference_dir'
};
});
it('should append timestamp to resulting URL', () => {
const result = app.refPathToURL('full_path', 'browser_id');
return assert.match(result, /\?t=\d+/);
});
});
describe('currentPathToURL', () => {
it('should append timestamp to resulting URL', () => {
const result = app.currentPathToURL('full_path');
return assert.match(result, /\?t=\d+/);
});
});
describe('copyImage', () => {
beforeEach(() => {
stubFs_();
sandbox.stub(path, 'resolve');
});
it('should resolve if image was copied successfully', () => {
return app.initialize()
.then(() => assert.isFulfilled(app.copyImage('src/rel/path', '/dst/abs/path')));
});
it('should still resolve if copying failed', () => {
fs.copyAsync.returns(Promise.reject());
return app.initialize()
.then(() => assert.isFulfilled(app.copyImage('src/rel/path', '/dst/abs/path')));
});
});
});