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'use strict';
const path = require('path');
const Promise = require('bluebird');
const fs = Promise.promisifyAll(require('fs-extra'));
const temp = require('temp');
const _ = require('lodash');
const chalk = require('chalk');
const findGemini = require('./find-gemini');
const loadReuseData = require('./reuse-loader');
const reporter = require('./reporter');
const Tests = require('./tests-model');
const Index = require('./common/tests-index');
const EventSource = require('./event-source');
const Runner = require('./runner');
const filterBrowsers = _.intersection;
const checkUnknownBrowsers = (browsersFromConfig, browsersFromCli) => {
const unknownBrowsers = _.difference(browsersFromCli, browsersFromConfig);
if (!_.isEmpty(unknownBrowsers)) {
console.warn('%s Unknown browser ids: %s. Use one of the browser ids specified in the config file: %s',
chalk.yellow('WARNING:'), unknownBrowsers.join(', '), browsersFromConfig.join(', '));
}
};
module.exports = class App {
constructor(options) {
this._options = options;
this.diffDir = temp.path('gemini-gui-diff');
this.currentDir = temp.path('gemini-gui-curr');
this._failedTests = new Index();
this._eventSource = new EventSource();
const Gemini = findGemini();
this._gemini = new Gemini(this._options.config, {cli: true, env: true});
_.set(this._gemini.config, 'system.tempDir', this.currentDir);
this._gemini.on('startRunner', (runner) => this._runner = runner);
const browserIds = this._gemini.browserIds;
checkUnknownBrowsers(browserIds, this._options.browser);
this.referenceDirs = _.zipObject(
browserIds,
browserIds.map((id) => this._gemini.config.forBrowser(id).screenshotsDir)
);
}
initialize() {
return this._recreateTmpDirs()
.then(() => loadReuseData(this._options.reuse))
.then((reuseDataAndPath) => {
if (reuseDataAndPath) {
this._reusePath = reuseDataAndPath.report;
return reuseDataAndPath.data;
}
})
.then((reuseData) => this._readTests(reuseData));
}
addClient(connection) {
this._eventSource.addConnection(connection);
}
sendClientEvent(event, data) {
this._eventSource.emit(event, data);
}
getTests() {
return Promise.resolve(this._tests.data);
}
getTestsStatus() {
return Promise.resolve(this._tests.status);
}
_readTests(reuseData) {
const opts = this._options;
return Promise.resolve(
this._gemini.readTests(opts.testFiles, {
grep: opts.grep,
sets: opts.set
})
)
.then((collection) => {
this._collection = collection;
return collection.topLevelSuites();
})
.then((suites) => {
if (!this._options.browser) {
return;
}
suites.map((suite) => {
suite.browsers = filterBrowsers(suite.browsers, this._options.browser);
});
})
.then(() => {
const suites = (reuseData || {}).suites;
this._tests = new Tests(this);
return this._tests.initialize(this._collection, suites);
});
}
run(specificTests) {
return Runner.create(this._collection, specificTests)
.run((collection) => this._gemini.test(collection, {
reporters: [reporter(this), 'flat']
}));
}
_recreateTmpDirs() {
return Promise.all([fs.removeAsync(this.currentDir), fs.removeAsync(this.diffDir)])
.then(() => Promise.all([
fs.mkdirpAsync(this.currentDir),
fs.mkdirpAsync(this.diffDir)
]));
}
buildDiff(failureReport) {
return this._buildDiffFile(failureReport)
.then((diffPath) => this.diffPathToURL(diffPath));
}
_buildDiffFile(failureReport) {
const diffPath = temp.path({dir: this.diffDir, suffix: '.png'});
return Promise.resolve(failureReport.saveDiffTo(diffPath))
.thenReturn(diffPath);
}
addNoReferenceTest(test) {
//adding ref path here because gemini requires real suite to calc ref path
//and on client we have just stringified path
test.referencePath = this.getScreenshotPath(test.suite, test.state.name, test.browserId);
this.addFailedTest(test);
}
addFailedTest(test) {
this._failedTests.add(test);
}
updateReferenceImage(testData) {
const test = this._failedTests.find(testData);
if (!test) {
return Promise.reject(new Error('No such test failed'));
}
const result = {
imagePath: test.referencePath,
updated: true,
suite: test.state.suite,
state: test.state,
browserId: test.browserId
};
return fs.mkdirpAsync(path.dirname(test.referencePath))
.then(() => fs.copyAsync(test.currentPath, test.referencePath))
.then(() => {
// if haven't run tests before updating screenshot then no runner present
// this happens when we reuse result
if (this._runner) {
this._runner.emit('updateResult', result);
}
return this.refPathToURL(test.referencePath, test.browserId);
});
}
getScreenshotPath(suite, stateName, browserId) {
return this._gemini.getScreenshotPath(suite, stateName, browserId);
}
getBrowserCapabilites(browserId) {
return this._gemini.getBrowserCapabilites(browserId);
}
getRootUrlforBrowser(browserId) {
return this._gemini.config.forBrowser(browserId).rootUrl;
}
createCurrentPathFor() {
return temp.path({dir: this.currentDir, suffix: '.png'});
}
createDiffPathFor() {
return temp.path({dir: this.diffDir, suffix: '.png'});
}
refPathToURL(fullPath, browserId) {
return this._appendTimestampToURL(
this._pathToURL(this.referenceDirs[browserId], fullPath, App.refPrefix + '/' + browserId)
);
}
currentPathToURL(fullPath) {
return this._appendTimestampToURL(
this._pathToURL(this.currentDir, fullPath, App.currentPrefix)
);
}
// add query string timestamp to avoid caching on client
_appendTimestampToURL(URL) {
return URL + '?t=' + new Date().valueOf();
}
diffPathToURL(fullPath) {
return this._pathToURL(this.diffDir, fullPath, App.diffPrefix);
}
_pathToURL(rootDir, fullPath, prefix) {
const relPath = path.relative(rootDir, fullPath);
return prefix + '/' + encodeURI(relPath);
}
copyImage(srcRelPath, dstPath) {
const srcPath = path.resolve(this._reusePath, srcRelPath);
// it is ok that image can be defunct
return fs.copyAsync(srcPath, dstPath).catch(() => {});
}
static get refPrefix() {
return '/ref';
}
static get currentPrefix() {
return '/curr';
}
static get diffPrefix() {
return '/diff';
}
};