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summary_reporter.test.js
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summary_reporter.test.js
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/**
* Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
'use strict';
let SummaryReporter;
const env = {...process.env};
const now = Date.now;
const write = process.stderr.write;
const globalConfig = {
rootDir: 'root',
watch: false,
};
let results = [];
function requireReporter() {
jest.isolateModules(() => {
SummaryReporter = require('../summary_reporter').default;
});
}
beforeEach(() => {
process.env.npm_lifecycle_event = 'test';
process.env.npm_lifecycle_script = 'jest';
process.stderr.write = result => results.push(result);
Date.now = () => 10;
});
afterEach(() => {
results = [];
process.env = env;
process.stderr.write = write;
Date.now = now;
});
test('snapshots needs update with npm test', () => {
const aggregatedResults = {
numFailedTestSuites: 1,
numFailedTests: 1,
numPassedTestSuites: 0,
numTotalTestSuites: 1,
numTotalTests: 1,
snapshot: {
filesUnmatched: 1,
total: 2,
uncheckedKeysByFile: [],
unmatched: 2,
},
startTime: 0,
testResults: {},
};
process.env.npm_config_user_agent = 'npm';
requireReporter();
const testReporter = new SummaryReporter(globalConfig);
testReporter.onRunComplete(new Set(), aggregatedResults);
expect(results.join('')).toMatchSnapshot();
});
test('snapshots needs update with yarn test', () => {
const aggregatedResults = {
numFailedTestSuites: 1,
numFailedTests: 1,
numPassedTestSuites: 0,
numTotalTestSuites: 1,
numTotalTests: 1,
snapshot: {
filesRemovedList: [],
filesUnmatched: 1,
total: 2,
uncheckedKeysByFile: [],
unmatched: 2,
},
startTime: 0,
testResults: {},
};
process.env.npm_config_user_agent = 'yarn';
requireReporter();
const testReporter = new SummaryReporter(globalConfig);
testReporter.onRunComplete(new Set(), aggregatedResults);
expect(results.join('')).toMatchSnapshot();
});
test('snapshots all have results (no update)', () => {
const aggregatedResults = {
numFailedTestSuites: 1,
numFailedTests: 1,
numPassedTestSuites: 0,
numTotalTestSuites: 1,
numTotalTests: 1,
snapshot: {
added: 1,
didUpdate: false,
filesAdded: 1,
filesRemoved: 1,
filesRemovedList: [],
filesUnmatched: 1,
filesUpdated: 1,
matched: 2,
total: 2,
unchecked: 1,
uncheckedKeysByFile: [
{
filePath: 'path/to/suite_one',
keys: ['unchecked snapshot 1'],
},
],
unmatched: 1,
updated: 1,
},
startTime: 0,
testResults: {},
};
requireReporter();
const testReporter = new SummaryReporter(globalConfig);
testReporter.onRunComplete(new Set(), aggregatedResults);
expect(results.join('').replace(/\\/g, '/')).toMatchSnapshot();
});
test('snapshots all have results (after update)', () => {
const aggregatedResults = {
numFailedTestSuites: 1,
numFailedTests: 1,
numPassedTestSuites: 0,
numTotalTestSuites: 1,
numTotalTests: 1,
snapshot: {
added: 1,
didUpdate: true,
filesAdded: 1,
filesRemoved: 1,
filesRemovedList: [],
filesUnmatched: 1,
filesUpdated: 1,
matched: 2,
total: 2,
unchecked: 1,
uncheckedKeysByFile: [
{
filePath: 'path/to/suite_one',
keys: ['unchecked snapshot 1'],
},
],
unmatched: 1,
updated: 1,
},
startTime: 0,
testResults: {},
};
requireReporter();
const testReporter = new SummaryReporter(globalConfig);
testReporter.onRunComplete(new Set(), aggregatedResults);
expect(results.join('').replace(/\\/g, '/')).toMatchSnapshot();
});