playwright/test/runner/dotReporter.js
2020-08-14 07:28:35 -07:00

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/**
* 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.
*/
const Base = require('mocha/lib/reporters/base');
const constants = require('mocha/lib/runner').constants;
const colors = require('colors/safe');
const milliseconds = require('ms');
const { codeFrameColumns } = require('@babel/code-frame');
const path = require('path');
const fs = require('fs');
const os = require('os');
const terminalLink = require('terminal-link');
const StackUtils = require('stack-utils');
const stackUtils = new StackUtils();
class DotReporter extends Base {
constructor(runner, options) {
super(runner, options);
process.on('SIGINT', async () => {
this.epilogue();
process.exit(130);
});
runner.on(constants.EVENT_TEST_PENDING, test => {
process.stdout.write(colors.yellow('∘'))
});
runner.on(constants.EVENT_TEST_PASS, () => {
process.stdout.write(colors.green('\u00B7'));
});
runner.on(constants.EVENT_TEST_FAIL, test => {
if (test.duration >= test.timeout())
process.stdout.write(colors.red('T'));
else
process.stdout.write(colors.red('F'));
});
runner.once(constants.EVENT_RUN_END, () => {
process.stdout.write('\n');
this.epilogue();
});
}
epilogue() {
console.log('');
console.log(colors.green(` ${this.stats.passes || 0} passing`) + colors.dim(` (${milliseconds(this.stats.duration)})`));
if (this.stats.pending)
console.log(colors.yellow(` ${this.stats.pending} skipped`));
if (this.stats.failures) {
console.log(colors.red(` ${this.stats.failures} failing`));
console.log('');
this.failures.forEach((failure, index) => {
const relativePath = path.relative(process.cwd(), failure.file);
const header = ` ${index +1}. ${terminalLink(relativePath, `file://${os.hostname()}${failure.file}`)} ${failure.title}`;
console.log(colors.bold.red(header));
const stack = failure.err.stack;
if (stack) {
console.log('');
const messageLocation = failure.err.stack.indexOf(failure.err.message);
const preamble = failure.err.stack.substring(0, messageLocation + failure.err.message.length);
console.log(indent(preamble, ' '));
const position = positionInFile(stack, failure.file);
if (position) {
const source = fs.readFileSync(failure.file, 'utf8');
console.log('');
console.log(indent(codeFrameColumns(source, {
start: position,
},
{ highlightCode: true}
), ' '));
}
console.log('');
console.log(indent(colors.dim(stack.substring(preamble.length + 1)), ' '));
} else {
console.log('');
console.log(indent(String(failure.err), ' '));
}
console.log('');
});
}
}
}
/**
* @param {string} lines
* @param {string} tab
*/
function indent(lines, tab) {
return lines.replace(/^/gm, tab);
}
/**
* @param {string} stack
* @param {string} file
* @return {{column: number, line: number}}
*/
function positionInFile(stack, file) {
for (const line of stack.split('\n')) {
const parsed = stackUtils.parseLine(line);
if (!parsed)
continue;
if (path.resolve(process.cwd(), parsed.file) === file)
return {column: parsed.column, line: parsed.line};
}
return null;
}
module.exports = DotReporter;