args.js
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'use strict';
Object.defineProperty(exports, '__esModule', {
value: true
});
exports.check = check;
exports.usage = exports.options = exports.docs = void 0;
function _jestConfig() {
const data = require('jest-config');
_jestConfig = function () {
return data;
};
return data;
}
/**
* 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.
*/
function check(argv) {
if (argv.runInBand && argv.hasOwnProperty('maxWorkers')) {
throw new Error(
'Both --runInBand and --maxWorkers were specified, but these two ' +
'options do not make sense together. Which is it?'
);
}
for (const key of [
'onlyChanged',
'lastCommit',
'changedFilesWithAncestor',
'changedSince'
]) {
if (argv[key] && argv.watchAll) {
throw new Error(
`Both --${key} and --watchAll were specified, but these two ` +
'options do not make sense together. Try the --watch option which ' +
'reruns only tests related to changed files.'
);
}
}
if (argv.onlyFailures && argv.watchAll) {
throw new Error(
'Both --onlyFailures and --watchAll were specified, but these two ' +
'options do not make sense together.'
);
}
if (argv.findRelatedTests && argv._.length === 0) {
throw new Error(
'The --findRelatedTests option requires file paths to be specified.\n' +
'Example usage: jest --findRelatedTests ./src/source.js ' +
'./src/index.js.'
);
}
if (argv.hasOwnProperty('maxWorkers') && argv.maxWorkers === undefined) {
throw new Error(
'The --maxWorkers (-w) option requires a number or string to be specified.\n' +
'Example usage: jest --maxWorkers 2\n' +
'Example usage: jest --maxWorkers 50%\n' +
'Or did you mean --watch?'
);
}
if (argv.selectProjects && argv.selectProjects.length === 0) {
throw new Error(
'The --selectProjects option requires the name of at least one project to be specified.\n' +
'Example usage: jest --selectProjects my-first-project my-second-project'
);
}
if (
argv.config &&
!(0, _jestConfig().isJSONString)(argv.config) &&
!argv.config.match(
new RegExp(
`\\.(${_jestConfig()
.constants.JEST_CONFIG_EXT_ORDER.map(e => e.substring(1))
.join('|')})$`,
'i'
)
)
) {
throw new Error(
`The --config option requires a JSON string literal, or a file path with one of these extensions: ${_jestConfig().constants.JEST_CONFIG_EXT_ORDER.join(
', '
)}.\nExample usage: jest --config ./jest.config.js`
);
}
return true;
}
const usage = 'Usage: $0 [--config=<pathToConfigFile>] [TestPathPattern]';
exports.usage = usage;
const docs = 'Documentation: https://jestjs.io/'; // The default values are all set in jest-config
exports.docs = docs;
const options = {
all: {
description:
'The opposite of `onlyChanged`. If `onlyChanged` is set by ' +
'default, running jest with `--all` will force Jest to run all tests ' +
'instead of running only tests related to changed files.',
type: 'boolean'
},
automock: {
description: 'Automock all files by default.',
type: 'boolean'
},
bail: {
alias: 'b',
description:
'Exit the test suite immediately after `n` number of failing tests.',
type: 'boolean'
},
cache: {
description:
'Whether to use the transform cache. Disable the cache ' +
'using --no-cache.',
type: 'boolean'
},
cacheDirectory: {
description:
'The directory where Jest should store its cached ' +
' dependency information.',
type: 'string'
},
changedFilesWithAncestor: {
description:
'Runs tests related to the current changes and the changes made in the ' +
'last commit. Behaves similarly to `--onlyChanged`.',
type: 'boolean'
},
changedSince: {
description:
'Runs tests related to the changes since the provided branch. If the ' +
'current branch has diverged from the given branch, then only changes ' +
'made locally will be tested. Behaves similarly to `--onlyChanged`.',
nargs: 1,
type: 'string'
},
ci: {
description:
'Whether to run Jest in continuous integration (CI) mode. ' +
'This option is on by default in most popular CI environments. It will ' +
'prevent snapshots from being written unless explicitly requested.',
type: 'boolean'
},
clearCache: {
description:
'Clears the configured Jest cache directory and then exits. ' +
'Default directory can be found by calling jest --showConfig',
type: 'boolean'
},
clearMocks: {
description:
'Automatically clear mock calls, instances and results before every test. ' +
'Equivalent to calling jest.clearAllMocks() before each test.',
type: 'boolean'
},
collectCoverage: {
description: 'Alias for --coverage.',
type: 'boolean'
},
collectCoverageFrom: {
description:
'A glob pattern relative to <rootDir> matching the files that coverage ' +
'info needs to be collected from.',
type: 'string'
},
collectCoverageOnlyFrom: {
description: 'Explicit list of paths coverage will be restricted to.',
string: true,
type: 'array'
},
color: {
description:
'Forces test results output color highlighting (even if ' +
'stdout is not a TTY). Set to false if you would like to have no colors.',
type: 'boolean'
},
colors: {
description: 'Alias for `--color`.',
type: 'boolean'
},
config: {
alias: 'c',
description:
'The path to a jest config file specifying how to find ' +
'and execute tests. If no rootDir is set in the config, the directory ' +
'containing the config file is assumed to be the rootDir for the project.' +
'This can also be a JSON encoded value which Jest will use as configuration.',
type: 'string'
},
coverage: {
description:
'Indicates that test coverage information should be ' +
'collected and reported in the output.',
type: 'boolean'
},
coverageDirectory: {
description: 'The directory where Jest should output its coverage files.',
type: 'string'
},
coveragePathIgnorePatterns: {
description:
'An array of regexp pattern strings that are matched ' +
'against all file paths before executing the test. If the file path' +
'matches any of the patterns, coverage information will be skipped.',
string: true,
type: 'array'
},
coverageProvider: {
choices: ['babel', 'v8'],
description: 'Select between Babel and V8 to collect coverage'
},
coverageReporters: {
description:
'A list of reporter names that Jest uses when writing ' +
'coverage reports. Any istanbul reporter can be used.',
string: true,
type: 'array'
},
coverageThreshold: {
description:
'A JSON string with which will be used to configure ' +
'minimum threshold enforcement for coverage results',
type: 'string'
},
debug: {
description: 'Print debugging info about your jest config.',
type: 'boolean'
},
detectLeaks: {
description:
'**EXPERIMENTAL**: Detect memory leaks in tests. After executing a ' +
'test, it will try to garbage collect the global object used, and fail ' +
'if it was leaked',
type: 'boolean'
},
detectOpenHandles: {
description:
'Print out remaining open handles preventing Jest from exiting at the ' +
'end of a test run. Implies `runInBand`.',
type: 'boolean'
},
env: {
description:
'The test environment used for all tests. This can point to ' +
'any file or node module. Examples: `jsdom`, `node` or ' +
'`path/to/my-environment.js`',
type: 'string'
},
errorOnDeprecated: {
description: 'Make calling deprecated APIs throw helpful error messages.',
type: 'boolean'
},
expand: {
alias: 'e',
description: 'Use this flag to show full diffs instead of a patch.',
type: 'boolean'
},
filter: {
description:
'Path to a module exporting a filtering function. This method receives ' +
'a list of tests which can be manipulated to exclude tests from ' +
'running. Especially useful when used in conjunction with a testing ' +
'infrastructure to filter known broken tests.',
type: 'string'
},
findRelatedTests: {
description:
'Find related tests for a list of source files that were ' +
'passed in as arguments. Useful for pre-commit hook integration to run ' +
'the minimal amount of tests necessary.',
type: 'boolean'
},
forceExit: {
description:
'Force Jest to exit after all tests have completed running. ' +
'This is useful when resources set up by test code cannot be ' +
'adequately cleaned up.',
type: 'boolean'
},
globalSetup: {
description: 'The path to a module that runs before All Tests.',
type: 'string'
},
globalTeardown: {
description: 'The path to a module that runs after All Tests.',
type: 'string'
},
globals: {
description:
'A JSON string with map of global variables that need ' +
'to be available in all test environments.',
type: 'string'
},
haste: {
description:
'A JSON string with map of variables for the haste module system',
type: 'string'
},
init: {
description: 'Generate a basic configuration file',
type: 'boolean'
},
injectGlobals: {
description: 'Should Jest inject global variables or not',
type: 'boolean'
},
json: {
description:
'Prints the test results in JSON. This mode will send all ' +
'other test output and user messages to stderr.',
type: 'boolean'
},
lastCommit: {
description:
'Run all tests affected by file changes in the last commit made. ' +
'Behaves similarly to `--onlyChanged`.',
type: 'boolean'
},
listTests: {
description:
'Lists all tests Jest will run given the arguments and ' +
'exits. Most useful in a CI system together with `--findRelatedTests` ' +
'to determine the tests Jest will run based on specific files',
type: 'boolean'
},
logHeapUsage: {
description:
'Logs the heap usage after every test. Useful to debug ' +
'memory leaks. Use together with `--runInBand` and `--expose-gc` in ' +
'node.',
type: 'boolean'
},
maxConcurrency: {
description:
'Specifies the maximum number of tests that are allowed to run' +
'concurrently. This only affects tests using `test.concurrent`.',
type: 'number'
},
maxWorkers: {
alias: 'w',
description:
'Specifies the maximum number of workers the worker-pool ' +
'will spawn for running tests. This defaults to the number of the ' +
'cores available on your machine. (its usually best not to override ' +
'this default)',
type: 'string'
},
moduleDirectories: {
description:
'An array of directory names to be searched recursively ' +
"up from the requiring module's location.",
string: true,
type: 'array'
},
moduleFileExtensions: {
description:
'An array of file extensions your modules use. If you ' +
'require modules without specifying a file extension, these are the ' +
'extensions Jest will look for. ',
string: true,
type: 'array'
},
moduleNameMapper: {
description:
'A JSON string with a map from regular expressions to ' +
'module names or to arrays of module names that allow to stub ' +
'out resources, like images or styles with a single module',
type: 'string'
},
modulePathIgnorePatterns: {
description:
'An array of regexp pattern strings that are matched ' +
'against all module paths before those paths are to be considered ' +
'"visible" to the module loader.',
string: true,
type: 'array'
},
modulePaths: {
description:
'An alternative API to setting the NODE_PATH env variable, ' +
'modulePaths is an array of absolute paths to additional locations to ' +
'search when resolving modules.',
string: true,
type: 'array'
},
noStackTrace: {
description: 'Disables stack trace in test results output',
type: 'boolean'
},
notify: {
description: 'Activates notifications for test results.',
type: 'boolean'
},
notifyMode: {
description: 'Specifies when notifications will appear for test results.',
type: 'string'
},
onlyChanged: {
alias: 'o',
description:
'Attempts to identify which tests to run based on which ' +
"files have changed in the current repository. Only works if you're " +
'running tests in a git or hg repository at the moment.',
type: 'boolean'
},
onlyFailures: {
alias: 'f',
description: 'Run tests that failed in the previous execution.',
type: 'boolean'
},
outputFile: {
description:
'Write test results to a file when the --json option is ' +
'also specified.',
type: 'string'
},
passWithNoTests: {
description:
'Will not fail if no tests are found (for example while using `--testPathPattern`.)',
type: 'boolean'
},
preset: {
description: "A preset that is used as a base for Jest's configuration.",
type: 'string'
},
prettierPath: {
description: 'The path to the "prettier" module used for inline snapshots.',
type: 'string'
},
projects: {
description:
'A list of projects that use Jest to run all tests of all ' +
'projects in a single instance of Jest.',
string: true,
type: 'array'
},
reporters: {
description: 'A list of custom reporters for the test suite.',
string: true,
type: 'array'
},
resetMocks: {
description:
'Automatically reset mock state before every test. ' +
'Equivalent to calling jest.resetAllMocks() before each test.',
type: 'boolean'
},
resetModules: {
description:
'If enabled, the module registry for every test file will ' +
'be reset before running each individual test.',
type: 'boolean'
},
resolver: {
description: 'A JSON string which allows the use of a custom resolver.',
type: 'string'
},
restoreMocks: {
description:
'Automatically restore mock state and implementation before every test. ' +
'Equivalent to calling jest.restoreAllMocks() before each test.',
type: 'boolean'
},
rootDir: {
description:
'The root directory that Jest should scan for tests and ' +
'modules within.',
type: 'string'
},
roots: {
description:
'A list of paths to directories that Jest should use to ' +
'search for files in.',
string: true,
type: 'array'
},
runInBand: {
alias: 'i',
description:
'Run all tests serially in the current process (rather than ' +
'creating a worker pool of child processes that run tests). This ' +
'is sometimes useful for debugging, but such use cases are pretty ' +
'rare.',
type: 'boolean'
},
runTestsByPath: {
description:
'Used when provided patterns are exact file paths. This avoids ' +
'converting them into a regular expression and matching it against ' +
'every single file.',
type: 'boolean'
},
runner: {
description:
"Allows to use a custom runner instead of Jest's default test runner.",
type: 'string'
},
selectProjects: {
description:
'Run only the tests of the specified projects.' +
'Jest uses the attribute `displayName` in the configuration to identify each project.',
string: true,
type: 'array'
},
setupFiles: {
description:
'A list of paths to modules that run some code to configure or ' +
'set up the testing environment before each test. ',
string: true,
type: 'array'
},
setupFilesAfterEnv: {
description:
'A list of paths to modules that run some code to configure or ' +
'set up the testing framework before each test ',
string: true,
type: 'array'
},
showConfig: {
description: 'Print your jest config and then exits.',
type: 'boolean'
},
silent: {
description: 'Prevent tests from printing messages through the console.',
type: 'boolean'
},
skipFilter: {
description:
'Disables the filter provided by --filter. Useful for CI jobs, or ' +
'local enforcement when fixing tests.',
type: 'boolean'
},
snapshotSerializers: {
description:
'A list of paths to snapshot serializer modules Jest should ' +
'use for snapshot testing.',
string: true,
type: 'array'
},
testEnvironment: {
description: 'Alias for --env',
type: 'string'
},
testEnvironmentOptions: {
description:
'A JSON string with options that will be passed to the `testEnvironment`. ' +
'The relevant options depend on the environment.',
type: 'string'
},
testFailureExitCode: {
description: 'Exit code of `jest` command if the test run failed',
type: 'string' // number
},
testLocationInResults: {
description: 'Add `location` information to the test results',
type: 'boolean'
},
testMatch: {
description: 'The glob patterns Jest uses to detect test files.',
string: true,
type: 'array'
},
testNamePattern: {
alias: 't',
description: 'Run only tests with a name that matches the regex pattern.',
type: 'string'
},
testPathIgnorePatterns: {
description:
'An array of regexp pattern strings that are matched ' +
'against all test paths before executing the test. If the test path ' +
'matches any of the patterns, it will be skipped.',
string: true,
type: 'array'
},
testPathPattern: {
description:
'A regexp pattern string that is matched against all tests ' +
'paths before executing the test.',
string: true,
type: 'array'
},
testRegex: {
description:
'A string or array of string regexp patterns that Jest uses to detect test files.',
string: true,
type: 'array'
},
testResultsProcessor: {
description:
'Allows the use of a custom results processor. ' +
'This processor must be a node module that exports ' +
'a function expecting as the first argument the result object.',
type: 'string'
},
testRunner: {
description:
'Allows to specify a custom test runner. The default is' +
' `jest-circus/runner`. A path to a custom test runner can be provided:' +
' `<rootDir>/path/to/testRunner.js`.',
type: 'string'
},
testSequencer: {
description:
'Allows to specify a custom test sequencer. The default is ' +
'`@jest/test-sequencer`. A path to a custom test sequencer can be ' +
'provided: `<rootDir>/path/to/testSequencer.js`',
type: 'string'
},
testTimeout: {
description: 'This option sets the default timeouts of test cases.',
type: 'number'
},
testURL: {
description: 'This option sets the URL for the jsdom environment.',
type: 'string'
},
timers: {
description:
'Setting this value to fake allows the use of fake timers ' +
'for functions such as setTimeout.',
type: 'string'
},
transform: {
description:
'A JSON string which maps from regular expressions to paths ' +
'to transformers.',
type: 'string'
},
transformIgnorePatterns: {
description:
'An array of regexp pattern strings that are matched ' +
'against all source file paths before transformation.',
string: true,
type: 'array'
},
unmockedModulePathPatterns: {
description:
'An array of regexp pattern strings that are matched ' +
'against all modules before the module loader will automatically ' +
'return a mock for them.',
string: true,
type: 'array'
},
updateSnapshot: {
alias: 'u',
description:
'Use this flag to re-record snapshots. ' +
'Can be used together with a test suite pattern or with ' +
'`--testNamePattern` to re-record snapshot for test matching ' +
'the pattern',
type: 'boolean'
},
useStderr: {
description: 'Divert all output to stderr.',
type: 'boolean'
},
verbose: {
description:
'Display individual test results with the test suite hierarchy.',
type: 'boolean'
},
version: {
alias: 'v',
description: 'Print the version and exit',
type: 'boolean'
},
watch: {
description:
'Watch files for changes and rerun tests related to ' +
'changed files. If you want to re-run all tests when a file has ' +
'changed, use the `--watchAll` option.',
type: 'boolean'
},
watchAll: {
description:
'Watch files for changes and rerun all tests. If you want ' +
'to re-run only the tests related to the changed files, use the ' +
'`--watch` option.',
type: 'boolean'
},
watchPathIgnorePatterns: {
description:
'An array of regexp pattern strings that are matched ' +
'against all paths before trigger test re-run in watch mode. ' +
'If the test path matches any of the patterns, it will be skipped.',
string: true,
type: 'array'
},
watchman: {
description:
'Whether to use watchman for file crawling. Disable using ' +
'--no-watchman.',
type: 'boolean'
}
};
exports.options = options;