playwright/tests/playwright-test/playwright-test-fixtures.ts

294 lines
8.9 KiB
TypeScript

/**
* 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 { TestInfo, test as base } from '../config/test-runner';
import { spawn } from 'child_process';
import * as fs from 'fs';
import * as path from 'path';
import * as os from 'os';
import type { JSONReport, JSONReportSuite } from '../../src/test/reporters/json';
import rimraf from 'rimraf';
import { promisify } from 'util';
import * as url from 'url';
const removeFolderAsync = promisify(rimraf);
type RunResult = {
exitCode: number,
output: string,
passed: number,
failed: number,
flaky: number,
skipped: number,
report: JSONReport,
results: any[],
};
type TSCResult = {
output: string;
exitCode: number;
};
type Files = { [key: string]: string | Buffer };
type Params = { [key: string]: string | number | boolean | string[] };
type Env = { [key: string]: string | number | boolean | undefined };
async function writeFiles(testInfo: TestInfo, files: Files) {
const baseDir = testInfo.outputPath();
const internalPath = JSON.stringify(path.join(__dirname, 'entry'));
const headerJS = `
const pwt = require(${internalPath});
`;
const headerTS = `
import * as pwt from ${internalPath};
`;
const headerMJS = `
import * as pwt from ${JSON.stringify(url.pathToFileURL(path.join(__dirname, 'entry', 'index.mjs')))};
`;
const hasConfig = Object.keys(files).some(name => name.includes('.config.'));
if (!hasConfig) {
files = {
...files,
'playwright.config.ts': `
module.exports = { projects: [ {} ] };
`,
};
}
await Promise.all(Object.keys(files).map(async name => {
const fullName = path.join(baseDir, name);
await fs.promises.mkdir(path.dirname(fullName), { recursive: true });
const isTypeScriptSourceFile = name.endsWith('.ts') && !name.endsWith('.d.ts');
const isJSModule = name.endsWith('.mjs');
const header = isTypeScriptSourceFile ? headerTS : (isJSModule ? headerMJS : headerJS);
if (typeof files[name] === 'string' && files[name].includes('//@no-header')) {
await fs.promises.writeFile(fullName, files[name]);
} else if (/(spec|test)\.(js|ts|mjs)$/.test(name)) {
const fileHeader = header + 'const { expect } = pwt;\n';
await fs.promises.writeFile(fullName, fileHeader + files[name]);
} else if (/\.(js|ts)$/.test(name) && !name.endsWith('d.ts')) {
await fs.promises.writeFile(fullName, header + files[name]);
} else {
await fs.promises.writeFile(fullName, files[name]);
}
}));
return baseDir;
}
async function runTSC(baseDir: string): Promise<TSCResult> {
const tscProcess = spawn('npx', ['tsc', '-p', baseDir], {
cwd: baseDir,
shell: true,
});
let output = '';
tscProcess.stderr.on('data', chunk => {
output += String(chunk);
if (process.env.PW_RUNNER_DEBUG)
process.stderr.write(String(chunk));
});
tscProcess.stdout.on('data', chunk => {
output += String(chunk);
if (process.env.PW_RUNNER_DEBUG)
process.stdout.write(String(chunk));
});
const status = await new Promise<number>(x => tscProcess.on('close', x));
return {
exitCode: status,
output,
};
}
async function runPlaywrightTest(baseDir: string, params: any, env: Env, options: RunOptions): Promise<RunResult> {
const paramList = [];
let additionalArgs = '';
for (const key of Object.keys(params)) {
if (key === 'args') {
additionalArgs = params[key];
continue;
}
if (key === 'usesCustomOutputDir')
continue;
for (const value of Array.isArray(params[key]) ? params[key] : [params[key]]) {
const k = key.startsWith('-') ? key : '--' + key;
paramList.push(params[key] === true ? `${k}` : `${k}=${value}`);
}
}
const outputDir = path.join(baseDir, 'test-results');
const reportFile = path.join(outputDir, 'report.json');
const args = [path.join(__dirname, '..', '..', 'lib', 'cli', 'cli.js'), 'test'];
if (!params.usesCustomOutputDir)
args.push('--output=' + outputDir);
args.push(
'--reporter=dot,json',
'--workers=2',
...paramList
);
if (additionalArgs)
args.push(...additionalArgs);
const cacheDir = fs.mkdtempSync(path.join(os.tmpdir(), 'playwright-test-cache-'));
const testProcess = spawn('node', args, {
env: {
...process.env,
PLAYWRIGHT_JSON_OUTPUT_NAME: reportFile,
PWTEST_CACHE_DIR: cacheDir,
PWTEST_CLI_ALLOW_TEST_COMMAND: '1',
PWTEST_SKIP_TEST_OUTPUT: '1',
...env,
},
cwd: baseDir
});
let output = '';
let didSendSigint = false;
testProcess.stderr.on('data', chunk => {
output += String(chunk);
if (process.env.PW_RUNNER_DEBUG)
process.stderr.write(String(chunk));
});
testProcess.stdout.on('data', chunk => {
output += String(chunk);
if (options.sendSIGINTAfter && !didSendSigint && countTimes(output, '%%SEND-SIGINT%%') >= options.sendSIGINTAfter) {
didSendSigint = true;
process.kill(testProcess.pid, 'SIGINT');
}
if (process.env.PW_RUNNER_DEBUG)
process.stdout.write(String(chunk));
});
const status = await new Promise<number>(x => testProcess.on('close', x));
await removeFolderAsync(cacheDir);
const outputString = output.toString();
const summary = (re: RegExp) => {
let result = 0;
let match = re.exec(outputString);
while (match) {
result += (+match[1]);
match = re.exec(outputString);
}
return result;
};
const passed = summary(/(\d+) passed/g);
const failed = summary(/(\d+) failed/g);
const flaky = summary(/(\d+) flaky/g);
const skipped = summary(/(\d+) skipped/g);
let report;
try {
report = JSON.parse(fs.readFileSync(reportFile).toString());
} catch (e) {
output += '\n' + e.toString();
}
const results = [];
function visitSuites(suites?: JSONReportSuite[]) {
if (!suites)
return;
for (const suite of suites) {
for (const spec of suite.specs) {
for (const test of spec.tests)
results.push(...test.results);
}
visitSuites(suite.suites);
}
}
if (report)
visitSuites(report.suites);
return {
exitCode: status,
output,
passed,
failed,
flaky,
skipped,
report,
results,
};
}
type RunOptions = {
sendSIGINTAfter?: number;
};
type Fixtures = {
writeFiles: (files: Files) => Promise<string>;
runInlineTest: (files: Files, params?: Params, env?: Env, options?: RunOptions) => Promise<RunResult>;
runTSC: (files: Files) => Promise<TSCResult>;
};
export const test = base.extend<Fixtures>({
writeFiles: async ({}, use, testInfo) => {
await use(files => writeFiles(testInfo, files));
},
runInlineTest: async ({}, use, testInfo: TestInfo) => {
let runResult: RunResult | undefined;
await use(async (files: Files, params: Params = {}, env: Env = {}, options: RunOptions = {}) => {
const baseDir = await writeFiles(testInfo, files);
runResult = await runPlaywrightTest(baseDir, params, env, options);
return runResult;
});
if (testInfo.status !== testInfo.expectedStatus && runResult && !process.env.PW_RUNNER_DEBUG)
console.log('\n' + runResult.output + '\n');
},
runTSC: async ({}, use, testInfo) => {
let tscResult: TSCResult | undefined;
await use(async files => {
const baseDir = await writeFiles(testInfo, { 'tsconfig.json': JSON.stringify(TSCONFIG), ...files });
tscResult = await runTSC(baseDir);
return tscResult;
});
if (testInfo.status !== testInfo.expectedStatus && tscResult && !process.env.PW_RUNNER_DEBUG)
console.log('\n' + tscResult.output + '\n');
},
});
const TSCONFIG = {
'compilerOptions': {
'target': 'ESNext',
'moduleResolution': 'node',
'module': 'commonjs',
'strict': true,
'esModuleInterop': true,
'allowSyntheticDefaultImports': true,
'rootDir': '.',
'lib': ['esnext', 'dom', 'DOM.Iterable']
},
'exclude': [
'node_modules'
]
};
export { expect } from '../config/test-runner';
const asciiRegex = new RegExp('[\\u001B\\u009B][[\\]()#;?]*(?:(?:(?:[a-zA-Z\\d]*(?:;[-a-zA-Z\\d\\/#&.:=?%@~_]*)*)?\\u0007)|(?:(?:\\d{1,4}(?:;\\d{0,4})*)?[\\dA-PR-TZcf-ntqry=><~]))', 'g');
export function stripAscii(str: string): string {
return str.replace(asciiRegex, '');
}
function countTimes(s: string, sub: string): number {
let result = 0;
for (let index = 0; index !== -1;) {
index = s.indexOf(sub, index);
if (index !== -1) {
result++;
index += sub.length;
}
}
return result;
}