jestAdapterInit.js
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'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
exports.runAndTransformResultsToJestFormat = exports.initialize = void 0;
var _throat = _interopRequireDefault(require('throat'));
var _testResult = require('@jest/test-result');
var _expect = require('expect');
var _jestEach = require('jest-each');
var _jestMessageUtil = require('jest-message-util');
var _jestSnapshot = require('jest-snapshot');
var _ = _interopRequireDefault(require('..'));
var _run = _interopRequireDefault(require('../run'));
var _state = require('../state');
var _testCaseReportHandler = _interopRequireDefault(
require('../testCaseReportHandler')
);
var _utils = require('../utils');
var _jestExpect = _interopRequireDefault(require('./jestExpect'));
function _interopRequireDefault(obj) {
return obj && obj.__esModule ? obj : {default: obj};
}
/**
* 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.
*/
const initialize = async ({
config,
environment,
globalConfig,
localRequire,
parentProcess,
sendMessageToJest,
setGlobalsForRuntime,
testPath
}) => {
if (globalConfig.testTimeout) {
(0, _state.getState)().testTimeout = globalConfig.testTimeout;
}
const mutex = (0, _throat.default)(globalConfig.maxConcurrency); // @ts-expect-error
const globalsObject = {
..._.default,
fdescribe: _.default.describe.only,
fit: _.default.it.only,
xdescribe: _.default.describe.skip,
xit: _.default.it.skip,
xtest: _.default.it.skip
};
globalsObject.test.concurrent = (test => {
const concurrent = (testName, testFn, timeout) => {
// For concurrent tests we first run the function that returns promise, and then register a
// normal test that will be waiting on the returned promise (when we start the test, the promise
// will already be in the process of execution).
// Unfortunately at this stage there's no way to know if there are any `.only` tests in the suite
// that will result in this test to be skipped, so we'll be executing the promise function anyway,
// even if it ends up being skipped.
const promise = mutex(() => testFn()); // Avoid triggering the uncaught promise rejection handler in case the test errors before
// being awaited on.
promise.catch(() => {});
globalsObject.test(testName, () => promise, timeout);
};
const only = (testName, testFn, timeout) => {
const promise = mutex(() => testFn()); // eslint-disable-next-line jest/no-focused-tests
test.only(testName, () => promise, timeout);
};
concurrent.only = only;
concurrent.skip = test.skip;
concurrent.each = (0, _jestEach.bind)(test, false);
concurrent.skip.each = (0, _jestEach.bind)(test.skip, false);
only.each = (0, _jestEach.bind)(test.only, false);
return concurrent;
})(globalsObject.test);
(0, _state.addEventHandler)(eventHandler);
if (environment.handleTestEvent) {
(0, _state.addEventHandler)(environment.handleTestEvent.bind(environment));
}
const runtimeGlobals = {
...globalsObject,
expect: (0, _jestExpect.default)(globalConfig)
};
setGlobalsForRuntime(runtimeGlobals);
if (config.injectGlobals) {
Object.assign(environment.global, runtimeGlobals);
}
await (0, _state.dispatch)({
name: 'setup',
parentProcess,
runtimeGlobals,
testNamePattern: globalConfig.testNamePattern
});
if (config.testLocationInResults) {
await (0, _state.dispatch)({
name: 'include_test_location_in_result'
});
} // Jest tests snapshotSerializers in order preceding built-in serializers.
// Therefore, add in reverse because the last added is the first tested.
config.snapshotSerializers
.concat()
.reverse()
.forEach(path => (0, _jestSnapshot.addSerializer)(localRequire(path)));
const {expand, updateSnapshot} = globalConfig;
const snapshotResolver = await (0, _jestSnapshot.buildSnapshotResolver)(
config,
localRequire
);
const snapshotPath = snapshotResolver.resolveSnapshotPath(testPath);
const snapshotState = new _jestSnapshot.SnapshotState(snapshotPath, {
expand,
prettierPath: config.prettierPath,
snapshotFormat: config.snapshotFormat,
updateSnapshot
}); // @ts-expect-error: snapshotState is a jest extension of `expect`
(0, _expect.setState)({
snapshotState,
testPath
});
(0, _state.addEventHandler)(handleSnapshotStateAfterRetry(snapshotState));
if (sendMessageToJest) {
(0, _state.addEventHandler)(
(0, _testCaseReportHandler.default)(testPath, sendMessageToJest)
);
} // Return it back to the outer scope (test runner outside the VM).
return {
globals: globalsObject,
snapshotState
};
};
exports.initialize = initialize;
const runAndTransformResultsToJestFormat = async ({
config,
globalConfig,
testPath
}) => {
const runResult = await (0, _run.default)();
let numFailingTests = 0;
let numPassingTests = 0;
let numPendingTests = 0;
let numTodoTests = 0;
const assertionResults = runResult.testResults.map(testResult => {
let status;
if (testResult.status === 'skip') {
status = 'pending';
numPendingTests += 1;
} else if (testResult.status === 'todo') {
status = 'todo';
numTodoTests += 1;
} else if (testResult.errors.length) {
status = 'failed';
numFailingTests += 1;
} else {
status = 'passed';
numPassingTests += 1;
}
const ancestorTitles = testResult.testPath.filter(
name => name !== _state.ROOT_DESCRIBE_BLOCK_NAME
);
const title = ancestorTitles.pop();
return {
ancestorTitles,
duration: testResult.duration,
failureDetails: testResult.errorsDetailed,
failureMessages: testResult.errors,
fullName: title
? ancestorTitles.concat(title).join(' ')
: ancestorTitles.join(' '),
invocations: testResult.invocations,
location: testResult.location,
numPassingAsserts: 0,
status,
title: testResult.testPath[testResult.testPath.length - 1]
};
});
let failureMessage = (0, _jestMessageUtil.formatResultsErrors)(
assertionResults,
config,
globalConfig,
testPath
);
let testExecError;
if (runResult.unhandledErrors.length) {
testExecError = {
message: '',
stack: runResult.unhandledErrors.join('\n')
};
failureMessage =
(failureMessage || '') +
'\n\n' +
runResult.unhandledErrors
.map(err =>
(0, _jestMessageUtil.formatExecError)(err, config, globalConfig)
)
.join('\n');
}
await (0, _state.dispatch)({
name: 'teardown'
});
return {
...(0, _testResult.createEmptyTestResult)(),
console: undefined,
displayName: config.displayName,
failureMessage,
numFailingTests,
numPassingTests,
numPendingTests,
numTodoTests,
testExecError,
testFilePath: testPath,
testResults: assertionResults
};
};
exports.runAndTransformResultsToJestFormat = runAndTransformResultsToJestFormat;
const handleSnapshotStateAfterRetry = snapshotState => event => {
switch (event.name) {
case 'test_retry': {
// Clear any snapshot data that occurred in previous test run
snapshotState.clear();
}
}
};
const eventHandler = async event => {
switch (event.name) {
case 'test_start': {
(0, _expect.setState)({
currentTestName: (0, _utils.getTestID)(event.test)
});
break;
}
case 'test_done': {
_addSuppressedErrors(event.test);
_addExpectedAssertionErrors(event.test);
break;
}
}
};
const _addExpectedAssertionErrors = test => {
const failures = (0, _expect.extractExpectedAssertionsErrors)();
const errors = failures.map(failure => failure.error);
test.errors = test.errors.concat(errors);
}; // Get suppressed errors from ``jest-matchers`` that weren't throw during
// test execution and add them to the test result, potentially failing
// a passing test.
const _addSuppressedErrors = test => {
const {suppressedErrors} = (0, _expect.getState)();
(0, _expect.setState)({
suppressedErrors: []
});
if (suppressedErrors.length) {
test.errors = test.errors.concat(suppressedErrors);
}
};