66 lines
2.2 KiB
JavaScript
66 lines
2.2 KiB
JavaScript
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/*---------------------------------------------------------------------------------------------
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* Copyright (c) Microsoft Corporation. All rights reserved.
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* Licensed under the MIT License. See License.txt in the project root for license information.
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*--------------------------------------------------------------------------------------------*/
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const { constants } = require('mocha/lib/runner');
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const BaseRunner = require('mocha/lib/reporters/base');
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const {
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EVENT_TEST_BEGIN,
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EVENT_TEST_PASS,
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EVENT_TEST_FAIL,
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EVENT_RUN_BEGIN,
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EVENT_RUN_END,
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} = constants;
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/**
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* Similar to the mocha JSON stream, but includes additional information
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* on failure. Specifically, the mocha json-stream does not include unmangled
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* expected versus actual results.
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*
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* Writes a superset of the data that json-stream normally would.
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*/
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module.exports = class FullJsonStreamReporter extends BaseRunner {
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constructor(runner, options) {
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super(runner, options);
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const total = runner.total;
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runner.once(EVENT_RUN_BEGIN, () => this.writeEvent(['start', { total }]));
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runner.once(EVENT_RUN_END, () => this.writeEvent(['end', this.stats]));
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// custom coverage events:
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runner.on('coverage init', (c) => this.writeEvent(['coverageInit', c]));
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runner.on('coverage increment', (context, coverage) => this.writeEvent(['coverageIncrement', { ...context, coverage }]));
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runner.on(EVENT_TEST_BEGIN, test => this.writeEvent(['testStart', clean(test)]));
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runner.on(EVENT_TEST_PASS, test => this.writeEvent(['pass', clean(test)]));
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runner.on(EVENT_TEST_FAIL, (test, err) => {
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test = clean(test);
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test.actual = err.actual;
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test.expected = err.expected;
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test.actualJSON = err.actualJSON;
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test.expectedJSON = err.expectedJSON;
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test.snapshotPath = err.snapshotPath;
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test.err = err.message;
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test.stack = err.stack || null;
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this.writeEvent(['fail', test]);
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});
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}
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drain() {
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return Promise.resolve(this.lastEvent);
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}
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writeEvent(event) {
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this.lastEvent = new Promise(r => process.stdout.write(JSON.stringify(event) + '\n', r));
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}
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};
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const clean = test => ({
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title: test.title,
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fullTitle: test.fullTitle(),
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duration: test.duration,
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currentRetry: test.currentRetry()
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});
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