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test: translate tests into ts, extract mocha (#3565)
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -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(); | ||
|
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| 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; | ||
| } |
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