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test: translate tests into ts, extract mocha (#3565)

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Pavel Feldman 2020-08-21 17:14:11 -07:00 committed by GitHub
parent 57e8617474
commit 398bd477ac
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11 changed files with 461 additions and 250 deletions
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126
test-runner/src/cli.js
View File

@ -14,128 +14,4 @@
* limitations under the License.
*/
const fs = require('fs');
const path = require('path');
const program = require('commander');
const { installTransform } = require('./transform');
const { Runner } = require('./runner');
const { TestCollector } = require('./testCollector');
let beforeFunction;
let afterFunction;
let matrix = {};
global['before'] = (fn => beforeFunction = fn);
global['after'] = (fn => afterFunction = fn);
global['matrix'] = (m => matrix = m);
program
.version('Version ' + /** @type {any} */ (require)('../package.json').version)
.option('--forbid-only', 'Fail if exclusive test(s) encountered', false)
.option('-g, --grep <grep>', 'Only run tests matching this string or regexp', '.*')
.option('-j, --jobs <jobs>', 'Number of concurrent jobs for --parallel; use 1 to run in serial, default: (number of CPU cores / 2)', Math.ceil(require('os').cpus().length / 2).toString())
.option('--reporter <reporter>', 'Specify reporter to use', '')
.option('--trial-run', 'Only collect the matching tests and report them as passing')
.option('--quiet', 'Suppress stdio', false)
.option('--debug', 'Run tests in-process for debugging', false)
.option('--output <outputDir>', 'Folder for output artifacts, default: test-results', path.join(process.cwd(), 'test-results'))
.option('--timeout <timeout>', 'Specify test timeout threshold (in milliseconds), default: 10000', '10000')
.option('-u, --update-snapshots', 'Use this flag to re-record every snapshot that fails during this test run')
.action(async (command) => {
// Collect files]
const testDir = path.resolve(process.cwd(), command.args[0]);
const files = collectFiles(testDir, '', command.args.slice(1));
const revertBabelRequire = installTransform();
let hasSetup = false;
try {
hasSetup = fs.statSync(path.join(testDir, 'setup.js')).isFile();
} catch (e) {
}
try {
hasSetup = hasSetup || fs.statSync(path.join(testDir, 'setup.ts')).isFile();
} catch (e) {
}
if (hasSetup)
require(path.join(testDir, 'setup'));
revertBabelRequire();
const testCollector = new TestCollector(files, matrix, {
forbidOnly: command.forbidOnly || undefined,
grep: command.grep,
timeout: command.timeout,
});
const rootSuite = testCollector.suite;
if (command.forbidOnly && testCollector.hasOnly()) {
console.error('=====================================');
console.error(' --forbid-only found a focused test.');
console.error('=====================================');
process.exit(1);
}
const total = rootSuite.total();
if (!total) {
console.error('=================');
console.error(' no tests found.');
console.error('=================');
process.exit(1);
}
// Trial run does not need many workers, use one.
const jobs = (command.trialRun || command.debug) ? 1 : command.jobs;
const runner = new Runner(rootSuite, total, {
debug: command.debug,
quiet: command.quiet,
grep: command.grep,
jobs,
outputDir: command.output,
reporter: command.reporter,
retries: command.retries,
snapshotDir: path.join(testDir, '__snapshots__'),
testDir,
timeout: command.timeout,
trialRun: command.trialRun,
updateSnapshots: command.updateSnapshots
});
try {
if (beforeFunction)
await beforeFunction();
await runner.run();
await runner.stop();
} finally {
if (afterFunction)
await afterFunction();
}
process.exit(runner.stats.failures ? 1 : 0);
});
program.parse(process.argv);
function collectFiles(testDir, dir, filters) {
const fullDir = path.join(testDir, dir);
if (fs.statSync(fullDir).isFile())
return [fullDir];
const files = [];
for (const name of fs.readdirSync(fullDir)) {
if (fs.lstatSync(path.join(fullDir, name)).isDirectory()) {
files.push(...collectFiles(testDir, path.join(dir, name), filters));
continue;
}
if (!name.endsWith('spec.ts'))
continue;
const relativeName = path.join(dir, name);
const fullName = path.join(testDir, relativeName);
if (!filters.length) {
files.push(fullName);
continue;
}
for (const filter of filters) {
if (relativeName.includes(filter)) {
files.push(fullName);
break;
}
}
}
return files;
}
require('./lib/cli');

141
test-runner/src/cli.ts Normal file
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@ -0,0 +1,141 @@
/**
* Copyright (c) Microsoft Corporation.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import * as fs from 'fs';
import * as path from 'path';
import program from 'commander';
import { installTransform } from './transform';
import { Runner } from './runner';
import { TestCollector } from './testCollector';
let beforeFunction;
let afterFunction;
let matrix = {};
global['before'] = (fn => beforeFunction = fn);
global['after'] = (fn => afterFunction = fn);
global['matrix'] = (m => matrix = m);
program
.version('Version ' + /** @type {any} */ (require)('../package.json').version)
.option('--forbid-only', 'Fail if exclusive test(s) encountered', false)
.option('-g, --grep <grep>', 'Only run tests matching this string or regexp', '.*')
.option('-j, --jobs <jobs>', 'Number of concurrent jobs for --parallel; use 1 to run in serial, default: (number of CPU cores / 2)', Math.ceil(require('os').cpus().length / 2).toString())
.option('--reporter <reporter>', 'Specify reporter to use', '')
.option('--trial-run', 'Only collect the matching tests and report them as passing')
.option('--quiet', 'Suppress stdio', false)
.option('--debug', 'Run tests in-process for debugging', false)
.option('--output <outputDir>', 'Folder for output artifacts, default: test-results', path.join(process.cwd(), 'test-results'))
.option('--timeout <timeout>', 'Specify test timeout threshold (in milliseconds), default: 10000', '10000')
.option('-u, --update-snapshots', 'Use this flag to re-record every snapshot that fails during this test run')
.action(async (command) => {
// Collect files]
const testDir = path.resolve(process.cwd(), command.args[0]);
const files = collectFiles(testDir, '', command.args.slice(1));
const revertBabelRequire = installTransform();
let hasSetup = false;
try {
hasSetup = fs.statSync(path.join(testDir, 'setup.js')).isFile();
} catch (e) {
}
try {
hasSetup = hasSetup || fs.statSync(path.join(testDir, 'setup.ts')).isFile();
} catch (e) {
}
if (hasSetup)
require(path.join(testDir, 'setup'));
revertBabelRequire();
const testCollector = new TestCollector(files, matrix, {
forbidOnly: command.forbidOnly || undefined,
grep: command.grep,
timeout: command.timeout,
});
const rootSuite = testCollector.suite;
if (command.forbidOnly && testCollector.hasOnly()) {
console.error('=====================================');
console.error(' --forbid-only found a focused test.');
console.error('=====================================');
process.exit(1);
}
const total = rootSuite.total();
if (!total) {
console.error('=================');
console.error(' no tests found.');
console.error('=================');
process.exit(1);
}
// Trial run does not need many workers, use one.
const jobs = (command.trialRun || command.debug) ? 1 : command.jobs;
const runner = new Runner(rootSuite, total, {
debug: command.debug,
quiet: command.quiet,
grep: command.grep,
jobs,
outputDir: command.output,
reporter: command.reporter,
retries: command.retries,
snapshotDir: path.join(testDir, '__snapshots__'),
testDir,
timeout: command.timeout,
trialRun: command.trialRun,
updateSnapshots: command.updateSnapshots
});
try {
if (beforeFunction)
await beforeFunction();
await runner.run();
await runner.stop();
} finally {
if (afterFunction)
await afterFunction();
}
process.exit(runner.stats.failures ? 1 : 0);
});
program.parse(process.argv);
function collectFiles(testDir, dir, filters) {
const fullDir = path.join(testDir, dir);
if (fs.statSync(fullDir).isFile())
return [fullDir];
const files = [];
for (const name of fs.readdirSync(fullDir)) {
if (fs.lstatSync(path.join(fullDir, name)).isDirectory()) {
files.push(...collectFiles(testDir, path.join(dir, name), filters));
continue;
}
if (!name.endsWith('spec.ts'))
continue;
const relativeName = path.join(dir, name);
const fullName = path.join(testDir, relativeName);
if (!filters.length) {
files.push(fullName);
continue;
}
for (const filter of filters) {
if (relativeName.includes(filter)) {
files.push(fullName);
break;
}
}
}
return files;
}

2
test-runner/src/dotReporter.js
View File

@ -43,7 +43,7 @@ class DotReporter extends Base {
});
runner.on(constants.EVENT_TEST_FAIL, test => {
if (test.duration >= test.timeout())
if (test.duration >= test.timeout)
process.stdout.write(colors.red('T'));
else
process.stdout.write(colors.red('F'));

13
test-runner/src/fixtures.ts
View File

@ -15,6 +15,7 @@
*/
import debug from 'debug';
import { Test } from './test';
declare global {
interface WorkerState {
@ -38,17 +39,15 @@ export function setParameters(params: any) {
registerWorkerFixture(name as keyof WorkerState, async ({}, test) => await test(parameters[name] as never));
}
type TestInfo = {
file: string;
title: string;
timeout: number;
type TestConfig = {
outputDir: string;
testDir: string;
};
type TestResult = {
success: boolean;
info: TestInfo;
test: Test;
config: TestConfig;
error?: Error;
};
@ -168,10 +167,10 @@ export class FixturePool {
]);
}
wrapTestCallback(callback: any, timeout: number, info: TestInfo) {
wrapTestCallback(callback: any, timeout: number, test: Test, config: TestConfig) {
if (!callback)
return callback;
const testResult: TestResult = { success: true, info };
const testResult: TestResult = { success: true, test, config };
return async() => {
try {
await this.resolveParametersAndRun(callback, timeout);

76
test-runner/src/fixturesUI.js → test-runner/src/fixturesUI.ts
View File

@ -14,13 +14,13 @@
* limitations under the License.
*/
const { Test, Suite } = require('mocha');
const { installTransform } = require('./transform');
const commonSuite = require('mocha/lib/interfaces/common');
import Mocha from 'mocha';
import { Test, Suite } from './test';
import { installTransform } from './transform';
Error.stackTraceLimit = 15;
let revertBabelRequire;
let revertBabelRequire: () => void;
function specBuilder(modifiers, specCallback) {
function builder(specs, last) {
@ -52,67 +52,65 @@ function specBuilder(modifiers, specCallback) {
return builder({}, null);
}
function fixturesUI(wrappers, suite) {
const suites = [suite];
suite.on(Suite.constants.EVENT_FILE_PRE_REQUIRE, function(context, file, mocha) {
const common = commonSuite(suites, context, mocha);
export function fixturesUI(options, mochaSuite: any) {
const suites = [mochaSuite.__nomocha as Suite];
mochaSuite.on(Mocha.Suite.constants.EVENT_FILE_PRE_REQUIRE, function(context, file) {
const it = specBuilder(['skip', 'fail', 'slow', 'only'], (specs, title, fn) => {
const suite = suites[0];
if (suite.isPending())
fn = null;
const wrapper = fn ? wrappers.testWrapper(fn, title, file, specs.slow && specs.slow[0]) : undefined;
if (wrapper) {
wrapper.toString = () => fn.toString();
wrapper.__original = fn;
}
const test = new Test(title, wrapper);
const test = new Test(title, fn);
test.file = file;
suite.addTest(test);
const only = wrappers.ignoreOnly ? false : specs.only && specs.only[0];
test.slow = specs.slow && specs.slow[0];
test.timeout = options.timeout;
const only = specs.only && specs.only[0];
if (only)
test.__only = true;
test.only = true;
if (!only && specs.skip && specs.skip[0])
test.pending = true;
if (!only && specs.fail && specs.fail[0])
test.pending = true;
test.pending = test.pending || suite.isPending();
if (test.pending)
fn = null;
const wrapper = fn ? options.testWrapper(test, fn) : undefined;
if (wrapper)
wrapper.toString = () => fn.toString();
test._materialize(wrapper);
suite.addTest(test);
return test;
});
const describe = specBuilder(['skip', 'fail', 'only'], (specs, title, fn) => {
const suite = common.suite.create({
title: title,
file: file,
fn: fn
});
const only = wrappers.ignoreOnly ? false : specs.only && specs.only[0];
const child = new Suite(title, suites[0]);
suites[0].addSuite(child);
child.file = file;
const only = specs.only && specs.only[0];
if (only)
suite.__only = true;
child.only = true;
if (!only && specs.skip && specs.skip[0])
suite.pending = true;
child.pending = true;
if (!only && specs.fail && specs.fail[0])
suite.pending = true;
return suite;
child.pending = true;
suites.unshift(child);
fn();
suites.shift();
});
context.beforeEach = fn => wrappers.hookWrapper(common.beforeEach.bind(common), fn);
context.afterEach = fn => wrappers.hookWrapper(common.afterEach.bind(common), fn);
context.run = mocha.options.delay && common.runWithSuite(suite);
context.beforeEach = fn => options.hookWrapper(mochaSuite.beforeEach.bind(mochaSuite), fn);
context.afterEach = fn => options.hookWrapper(mochaSuite.afterEach.bind(mochaSuite), fn);
context.describe = describe;
context.fdescribe = describe.only(true);
(context as any).fdescribe = describe.only(true);
context.xdescribe = describe.skip(true);
context.it = it;
context.fit = it.only(true);
(context as any).fit = it.only(true);
context.xit = it.skip(true);
revertBabelRequire = installTransform();
});
suite.on(Suite.constants.EVENT_FILE_POST_REQUIRE, function(context, file, mocha) {
mochaSuite.on(Mocha.Suite.constants.EVENT_FILE_POST_REQUIRE, function(context, file, mocha) {
revertBabelRequire();
});
};
module.exports = { fixturesUI };

1
test-runner/src/index.ts
View File

@ -14,6 +14,7 @@
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import './builtin.fixtures';
import './expect';
export {registerFixture, registerWorkerFixture, registerParameter, parameters} from './fixtures';

10
test-runner/src/runner.js
View File

@ -50,19 +50,19 @@ class Runner extends EventEmitter {
this._testsByConfiguredFile = new Map();
suite.eachTest(test => {
const configuredFile = `${test.file}::[${test.__configurationString}]`;
const configuredFile = `${test.file}::[${test._configurationString}]`;
if (!this._testsByConfiguredFile.has(configuredFile)) {
this._testsByConfiguredFile.set(configuredFile, {
file: test.file,
configuredFile,
ordinals: [],
configurationObject: test.__configurationObject,
configurationString: test.__configurationString
configurationObject: test._configurationObject,
configurationString: test._configurationString
});
}
const { ordinals } = this._testsByConfiguredFile.get(configuredFile);
ordinals.push(test.__ordinal);
this._testById.set(`${test.__ordinal}@${configuredFile}`, test);
ordinals.push(test._ordinal);
this._testById.set(`${test._ordinal}@${configuredFile}`, test);
});
if (process.stdout.isTTY) {

212
test-runner/src/test.ts Normal file
View File

@ -0,0 +1,212 @@
/**
* Copyright Microsoft Corporation. All rights reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
import Mocha from 'mocha';
import { fixturesUI } from './fixturesUI';
import { EventEmitter } from 'events';
export type Configuration = { name: string, value: string }[];
export class Test {
suite: Suite;
title: string;
file: string;
only = false;
pending = false;
duration = 0;
timeout = 0;
fn: Function;
_ordinal: number;
_configurationObject: Configuration;
_configurationString: string;
_overriddenFn: Function;
_impl: any;
constructor(title: string, fn: Function) {
this.title = title;
this.fn = fn;
}
_materialize(overriddenFn: Function) {
this._impl = new Mocha.Test(this.title, overriddenFn);
this._impl.pending = this.pending;
}
clone(): Test {
const test = new Test(this.title, this.fn);
test.suite = this.suite;
test.only = this.only;
test.file = this.file;
test.pending = this.pending;
test.timeout = this.timeout;
test._overriddenFn = this._overriddenFn;
test._materialize(this._overriddenFn);
return test;
}
titlePath(): string[] {
return [...this.suite.titlePath(), this.title];
}
fullTitle(): string {
return this.titlePath().join(' ');
}
slow(): number {
return 10000;
}
}
export class Suite {
title: string;
parent?: Suite;
suites: Suite[] = [];
tests: Test[] = [];
only = false;
pending = false;
file: string;
_impl: any;
constructor(title: string, parent?: Suite) {
this.title = title;
this.parent = parent;
this._impl = new Mocha.Suite(title, new Mocha.Context());
this._impl.__nomocha = this;
}
titlePath(): string[] {
if (!this.parent)
return [this.title];
return [...this.parent.titlePath(), this.title];
}
total(): number {
let count = 0;
this.eachTest(fn => ++count);
return count;
}
isPending(): boolean {
return this.pending || (this.parent && this.parent.isPending());
}
addTest(test: Test) {
test.suite = this;
this.tests.push(test);
this._impl.addTest(test._impl);
}
addSuite(suite: Suite) {
suite.parent = this;
this.suites.push(suite);
this._impl.addSuite(suite._impl);
}
eachTest(fn: (test: Test) => void) {
for (const suite of this.suites)
suite.eachTest(fn);
for (const test of this.tests)
fn(test);
}
clone(): Suite {
const suite = new Suite(this.title);
suite.only = this.only;
suite.file = this.file;
suite.pending = this.pending;
suite._impl = this._impl.clone();
return suite;
}
}
class NullReporter {
stats = {
suites: 0,
tests: 0,
passes: 0,
pending: 0,
failures: 0
};
runner = null;
failures = [];
epilogue: () => {};
}
type NoMockaOptions = {
forbidOnly?: boolean;
timeout: number;
testWrapper: (test: Test, fn: Function) => Function;
hookWrapper: (hook: any, fn: Function) => Function;
};
class PatchedMocha extends Mocha {
suite: any;
static pendingSuite: Suite;
constructor(suite, options) {
PatchedMocha.pendingSuite = suite;
super(options);
}
grep(...args) {
this.suite = new Mocha.Suite('', new Mocha.Context());
this.suite.__nomocha = PatchedMocha.pendingSuite;
PatchedMocha.pendingSuite._impl = this.suite;
return super.grep(...args);
}
}
export class Runner extends EventEmitter {
private _mochaRunner: any;
constructor(mochaRunner: any) {
super();
const constants = Mocha.Runner.constants;
this._mochaRunner = mochaRunner;
this._mochaRunner.on(constants.EVENT_TEST_BEGIN, test => this.emit('test', test));
this._mochaRunner.on(constants.EVENT_TEST_PENDING, test => this.emit('pending', test));
this._mochaRunner.on(constants.EVENT_TEST_PASS, test => this.emit('pass', test));
this._mochaRunner.on(constants.EVENT_TEST_FAIL, (test, err) => this.emit('fail', test, err));
this._mochaRunner.on(constants.EVENT_RUN_END, () => this.emit('done'));
}
duration(): number {
return this._mochaRunner.stats.duration || 0;
}
}
export class NoMocha {
suite: Suite;
private _mocha: Mocha;
constructor(file: string, options: NoMockaOptions) {
this.suite = new Suite('');
this._mocha = new PatchedMocha(this.suite, {
forbidOnly: options.forbidOnly,
reporter: NullReporter,
timeout: options.timeout,
ui: fixturesUI.bind(null, options)
});
this._mocha.addFile(file);
(this._mocha as any).loadFiles();
}
run(cb: () => void): Runner {
return new Runner(this._mocha.run(cb));
}
}

58
test-runner/src/testCollector.js → test-runner/src/testCollector.ts
View File

@ -14,22 +14,26 @@
* limitations under the License.
*/
const path = require('path');
const Mocha = require('mocha');
const { fixturesForCallback, registerWorkerFixture } = require('./fixtures');
const { fixturesUI } = require('./fixturesUI');
import path from 'path';
import Mocha from 'mocha';
import { fixturesForCallback, registerWorkerFixture } from './fixtures';
import { Configuration, NoMocha, Test, Suite } from './test';
class NullReporter {}
export class TestCollector {
suite: Suite;
class TestCollector {
constructor(files, matrix, options) {
private _matrix: { [key: string]: string; };
private _options: any;
private _grep: RegExp;
private _hasOnly: boolean;
constructor(files: string[], matrix: { [key: string] : string }, options) {
this._matrix = matrix;
for (const name of Object.keys(matrix))
//@ts-ignore
registerWorkerFixture(name, async ({}, test) => test());
this._options = options;
this.suite = new Mocha.Suite('', new Mocha.Context(), true);
this._total = 0;
this.suite = new Suite('');
if (options.grep) {
const match = options.grep.match(/^\/(.*)\/(g|i|)$|.*/);
this._grep = new RegExp(match[1] || match[0], match[2]);
@ -46,28 +50,22 @@ class TestCollector {
}
_addFile(file) {
const mocha = new Mocha({
const noMocha = new NoMocha(file, {
forbidOnly: this._options.forbidOnly,
reporter: NullReporter,
timeout: this._options.timeout,
ui: fixturesUI.bind(null, {
testWrapper: (fn) => done => done(),
hookWrapper: (hook, fn) => {},
ignoreOnly: false,
}),
testWrapper: (test, fn) => () => {},
hookWrapper: (hook, fn) => () => {},
});
mocha.addFile(file);
mocha.loadFiles();
const workerGeneratorConfigurations = new Map();
let ordinal = 0;
mocha.suite.eachTest(test => {
noMocha.suite.eachTest((test: Test) => {
// All tests are identified with their ordinals.
test.__ordinal = ordinal++;
test._ordinal = ordinal++;
// Get all the fixtures that the test needs.
const fixtures = fixturesForCallback(test.fn.__original);
const fixtures = fixturesForCallback(test.fn);
// For generator fixtures, collect all variants of the fixture values
// to build different workers for them.
@ -104,15 +102,15 @@ class TestCollector {
// Clone the suite as many times as there are worker hashes.
// Only include the tests that requested these generations.
for (const [hash, {configurationObject, configurationString, tests}] of workerGeneratorConfigurations.entries()) {
const clone = this._cloneSuite(mocha.suite, configurationObject, configurationString, tests);
const clone = this._cloneSuite(noMocha.suite, configurationObject, configurationString, tests);
this.suite.addSuite(clone);
clone.title = path.basename(file) + (hash.length ? `::[${hash}]` : '');
}
}
_cloneSuite(suite, configurationObject, configurationString, tests) {
_cloneSuite(suite: Suite, configurationObject: Configuration, configurationString: string, tests: Set<Test>) {
const copy = suite.clone();
copy.__only = suite.__only;
copy.only = suite.only;
for (const child of suite.suites)
copy.addSuite(this._cloneSuite(child, configurationObject, configurationString, tests));
for (const test of suite.tests) {
@ -121,18 +119,18 @@ class TestCollector {
if (this._grep && !this._grep.test(test.fullTitle()))
continue;
const testCopy = test.clone();
testCopy.__only = test.__only;
testCopy.__ordinal = test.__ordinal;
testCopy.__configurationObject = configurationObject;
testCopy.__configurationString = configurationString;
testCopy.only = test.only;
testCopy._ordinal = test._ordinal;
testCopy._configurationObject = configurationObject;
testCopy._configurationString = configurationString;
copy.addTest(testCopy);
}
return copy;
}
_filterOnly(suite) {
const onlySuites = suite.suites.filter(child => this._filterOnly(child) || child.__only);
const onlyTests = suite.tests.filter(test => test.__only);
const onlySuites = suite.suites.filter(child => this._filterOnly(child) || child.only);
const onlyTests = suite.tests.filter(test => test.only);
if (onlySuites.length || onlyTests.length) {
suite.suites = onlySuites;
suite.tests = onlyTests;

60
test-runner/src/testRunner.ts
View File

@ -15,11 +15,10 @@
*/
import path from 'path';
import Mocha from 'mocha';
import { FixturePool, registerWorkerFixture, rerunRegistrations, setParameters } from './fixtures';
import { fixturesUI } from './fixturesUI';
import { EventEmitter } from 'events';
import { setCurrentTestFile } from './expect';
import { NoMocha, Runner, Test } from './test';
export const fixturePool = new FixturePool();
@ -30,10 +29,7 @@ export type TestRunnerEntry = {
configurationObject: any;
};
class NullReporter {}
export class TestRunner extends EventEmitter {
mocha: any;
private _currentOrdinal = -1;
private _failedWithError = false;
private _file: any;
@ -47,22 +43,13 @@ export class TestRunner extends EventEmitter {
private _configurationObject: any;
private _parsedGeneratorConfiguration: any = {};
private _relativeTestFile: string;
private _runner: Mocha.Runner;
private _runner: Runner;
private _outDir: string;
private _timeout: number;
private _testDir: string;
constructor(entry: TestRunnerEntry, options, workerId) {
super();
this.mocha = new Mocha({
reporter: NullReporter,
timeout: 0,
ui: fixturesUI.bind(null, {
testWrapper: (fn, title, file, isSlow) => this._testWrapper(fn, title, file, isSlow),
hookWrapper: (hook, fn) => this._hookWrapper(hook, fn),
ignoreOnly: true
}),
});
this._file = entry.file;
this._ordinals = new Set(entry.ordinals);
this._remaining = new Set(entry.ordinals);
@ -79,25 +66,27 @@ export class TestRunner extends EventEmitter {
}
this._parsedGeneratorConfiguration['parallelIndex'] = workerId;
this._relativeTestFile = path.relative(options.testDir, this._file);
this.mocha.addFile(this._file);
}
async stop() {
this._trialRun = true;
const constants = Mocha.Runner.constants;
return new Promise(f => this._runner.once(constants.EVENT_RUN_END, f));
return new Promise(f => this._runner.once('done', f));
}
async run() {
let callback;
const result = new Promise(f => callback = f);
setParameters(this._parsedGeneratorConfiguration);
this.mocha.loadFiles();
rerunRegistrations(this._file, 'test');
this._runner = this.mocha.run(callback);
const constants = Mocha.Runner.constants;
this._runner.on(constants.EVENT_TEST_BEGIN, test => {
const noMocha = new NoMocha(this._file, {
timeout: 0,
testWrapper: (test, fn) => this._testWrapper(test, fn),
hookWrapper: (hook, fn) => this._hookWrapper(hook, fn),
});
rerunRegistrations(this._file, 'test');
this._runner = noMocha.run(callback);
this._runner.on('test', test => {
setCurrentTestFile(this._relativeTestFile);
if (this._failedWithError)
return;
@ -108,7 +97,7 @@ export class TestRunner extends EventEmitter {
this.emit('test', { test: this._serializeTest(test, ordinal) });
});
this._runner.on(constants.EVENT_TEST_PENDING, test => {
this._runner.on('pending', test => {
if (this._failedWithError)
return;
const ordinal = ++this._currentOrdinal;
@ -119,7 +108,7 @@ export class TestRunner extends EventEmitter {
this.emit('pending', { test: this._serializeTest(test, ordinal) });
});
this._runner.on(constants.EVENT_TEST_PASS, test => {
this._runner.on('pass', test => {
if (this._failedWithError)
return;
@ -130,7 +119,7 @@ export class TestRunner extends EventEmitter {
this.emit('pass', { test: this._serializeTest(test, ordinal) });
});
this._runner.on(constants.EVENT_TEST_FAIL, (test, error) => {
this._runner.on('fail', (test, error) => {
if (this._failedWithError)
return;
++this._failures;
@ -141,12 +130,12 @@ export class TestRunner extends EventEmitter {
});
});
this._runner.once(constants.EVENT_RUN_END, async () => {
this._runner.once('done', async () => {
this.emit('done', {
stats: this._serializeStats(this._runner.stats),
stats: this._serializeStats(),
error: this._failedWithError,
remaining: [...this._remaining],
total: this._runner.stats.tests
total: this._passes + this._failures + this._pending
});
});
await result;
@ -166,14 +155,11 @@ export class TestRunner extends EventEmitter {
return true;
}
_testWrapper(fn, title, file, isSlow) {
const timeout = isSlow ? this._timeout * 3 : this._timeout;
const wrapped = fixturePool.wrapTestCallback(fn, timeout, {
_testWrapper(test: Test, fn: Function) {
const timeout = test.slow ? this._timeout * 3 : this._timeout;
const wrapped = fixturePool.wrapTestCallback(fn, timeout, test, {
outputDir: this._outDir,
testDir: this._testDir,
title,
file,
timeout
});
return wrapped ? (done, ...args) => {
if (!this._shouldRunTest()) {
@ -199,12 +185,12 @@ export class TestRunner extends EventEmitter {
};
}
_serializeStats(stats) {
_serializeStats() {
return {
passes: this._passes,
failures: this._failures,
pending: this._pending,
duration: stats.duration || 0,
duration: this._runner.duration(),
}
}
}

10
test/playwright.fixtures.ts
View File

@ -184,13 +184,13 @@ registerFixture('context', async ({browser}, test) => {
await context.close();
});
registerFixture('page', async ({context}, test) => {
registerFixture('page', async ({context}, runTest) => {
const page = await context.newPage();
const { success, info } = await test(page);
const { success, test, config } = await runTest(page);
if (!success) {
const relativePath = path.relative(info.testDir, info.file).replace(/\.spec\.[jt]s/, '');
const sanitizedTitle = info.title.replace(/[^\w\d]+/g, '_');
const assetPath = path.join(info.outputDir, relativePath, sanitizedTitle) + '-failed.png';
const relativePath = path.relative(config.testDir, test.file).replace(/\.spec\.[jt]s/, '');
const sanitizedTitle = test.title.replace(/[^\w\d]+/g, '_');
const assetPath = path.join(config.outputDir, relativePath, sanitizedTitle) + '-failed.png';
await page.screenshot({ path: assetPath });
}
});