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126 lines
3.9 KiB
JavaScript
126 lines
3.9 KiB
JavaScript
/**
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* Copyright (c) Microsoft Corporation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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const Base = require('mocha/lib/reporters/base');
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const constants = require('mocha/lib/runner').constants;
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const colors = require('colors/safe');
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const milliseconds = require('ms');
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const { codeFrameColumns } = require('@babel/code-frame');
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const path = require('path');
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const fs = require('fs');
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const os = require('os');
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const terminalLink = require('terminal-link');
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const StackUtils = require('stack-utils');
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const stackUtils = new StackUtils();
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class DotReporter extends Base {
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constructor(runner, options) {
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super(runner, options);
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process.on('SIGINT', async () => {
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this.epilogue();
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process.exit(130);
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});
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runner.on(constants.EVENT_TEST_PENDING, test => {
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process.stdout.write(colors.yellow('∘'))
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});
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runner.on(constants.EVENT_TEST_PASS, () => {
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process.stdout.write(colors.green('\u00B7'));
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});
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runner.on(constants.EVENT_TEST_FAIL, test => {
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if (test.duration >= test.timeout())
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process.stdout.write(colors.red('T'));
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else
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process.stdout.write(colors.red('F'));
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});
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runner.once(constants.EVENT_RUN_END, () => {
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process.stdout.write('\n');
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this.epilogue();
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});
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}
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epilogue() {
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console.log('');
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console.log(colors.green(` ${this.stats.passes || 0} passing`) + colors.dim(` (${milliseconds(this.stats.duration)})`));
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if (this.stats.pending)
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console.log(colors.yellow(` ${this.stats.pending} skipped`));
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if (this.stats.failures) {
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console.log(colors.red(` ${this.stats.failures} failing`));
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console.log('');
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this.failures.forEach((failure, index) => {
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const relativePath = path.relative(process.cwd(), failure.file);
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const header = ` ${index +1}. ${terminalLink(relativePath, `file://${os.hostname()}${failure.file}`)} › ${failure.title}`;
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console.log(colors.bold.red(header));
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const stack = failure.err.stack;
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if (stack) {
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console.log('');
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const messageLocation = failure.err.stack.indexOf(failure.err.message);
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const preamble = failure.err.stack.substring(0, messageLocation + failure.err.message.length);
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console.log(indent(preamble, ' '));
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const position = positionInFile(stack, failure.file);
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if (position) {
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const source = fs.readFileSync(failure.file, 'utf8');
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console.log('');
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console.log(indent(codeFrameColumns(source, {
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start: position,
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},
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{ highlightCode: true}
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), ' '));
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}
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console.log('');
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console.log(indent(colors.dim(stack.substring(preamble.length + 1)), ' '));
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} else {
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console.log('');
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console.log(indent(String(failure.err), ' '));
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}
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console.log('');
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});
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}
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}
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}
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/**
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* @param {string} lines
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* @param {string} tab
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*/
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function indent(lines, tab) {
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return lines.replace(/^/gm, tab);
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}
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/**
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* @param {string} stack
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* @param {string} file
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* @return {{column: number, line: number}}
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*/
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function positionInFile(stack, file) {
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for (const line of stack.split('\n')) {
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const parsed = stackUtils.parseLine(line);
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if (!parsed)
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continue;
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if (path.resolve(process.cwd(), parsed.file) === file)
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return {column: parsed.column, line: parsed.line};
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}
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return null;
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}
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module.exports = DotReporter;
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