jest-util

Fixes

• jest-resolve: Use module.builtinModules as BUILTIN_MODULES when it exists

• removed

  jest-worker: Remove debug and inspect flags from the arguments sent to the child

• jest-config: Use all --testPathPattern and <regexForTestFiles> args in testPathPattern

• jest-cli: Do not support --watch inside non-version-controlled environments

• jest-config: Escape Windows path separator in testPathPattern CLI arguments

• jest-jasmine: Register sourcemaps as node environment to improve performance with jsdom

• pretty-format: Do not call toJSON recursively

• pretty-format: Fix errors when identity-obj-proxy mocks CSS Modules

• babel-jest: Fix support for namespaced babel version 7

• expect: Fix .toThrow for promises

• jest-docblock: Pragmas should preserve urls

• jest-cli: Check if npm_lifecycle_script calls Jest directly

• jest-cli: Fix --showConfig to show all configs

• jest-cli: Throw if maxWorkers doesn't have a value

• jest-cli: Use fs.realpathSync.native if available

• jest-config: Fix --passWithNoTests

• jest-config: Support rootDir tag in testEnvironment

• jest-editor-support: Fix --showConfig to support jest 20 and jest 21

• jest-editor-support: Fix editor support test for node 4

• jest-mock: Support mocking constructor in mockImplementationOnce

• jest-runtime: Fix manual user mocks not working with custom resolver

• jest-util: Fix runOnlyPendingTimers for setTimeout inside setImmediate

• jest-message-util: Always remove node internals from stacktraces

• jest-resolve: Changes method of determining builtin modules to include missing builtins

• pretty-format: Prevent error in pretty-format for window in jsdom test env

• jest-resolve: Preserve module identity for symlinks

• jest-config: Include error message for preset json

• pretty-format: Throw PrettyFormatPluginError if a plugin halts with an exception

• expect: Keep the stack trace unchanged when PrettyFormatPluginError is thrown by pretty-format

• jest-environment-jsdom: Fix asynchronous test will fail due to timeout issue.

• jest-cli: Fix --onlyChanged path case sensitivity on Windows platform

• jest-runtime: Use realpath to match transformers

• breaking

  expect: Replace identity equality with Object.is in toBe matcher

Features

• jest-config: Add Global Setup/Teardown options

• jest-config: Add testEnvironmentOptions to apply to jsdom options or node context.

• jest-jasmine2: Update Timeout error message to jest.timeout and display current timeout value

• jest-runner: Enable experimental detection of leaked contexts

• jest-cli: Add combined coverage threshold for directories.

• jest-mock: Add timestamps to mock state.

• eslint-plugin-jest: Add prefer-to-have-length lint rule.

• breaking

  jest-environment-jsdom: Upgrade to JSDOM@11

• breaking

  jest-environment-*: Add Async Test Environment APIs, dispose is now teardown

• jest-cli: Add an option to clear the cache

• babel-plugin-jest-hoist: Improve error message, that the second argument of jest.mock must be an inline function

• breaking

  jest-snapshot: Concatenate name of test and snapshot

• breaking

  jest-cli: Fail if no tests are found

• jest-diff: Highlight only last of odd length leading spaces

• jest-docblock: Add docblock.print()

• jest-docblock: Add strip

• jest-docblock: Preserve leading whitespace in docblock comments

• jest-docblock: Remove leading newlines from parswWithComments().comments

• jest-editor-support: Add Snapshots metadata

• jest-editor-support: Adds an 'any' to the typedef for updateFileWithJestStatus

• jest-editor-support: Better monorepo support

• jest-environment-jsdom: Add simple rAF polyfill in jsdom environment to work with React 16

• jest-environment-node: Implement node Timer api

• jest-jasmine2: Add testPath to reporter callbacks

• jest-mock: Added support for naming mocked functions with .mockName(value) and .mockGetName()

• jest-runtime: Add module.loaded, and make module.require not enumerable

• jest-runtime: Add module.parent

• jest-runtime: Support sourcemaps in transformers

• breaking

  jest-snapshot: Add a serializer for jest.fn to allow a snapshot of a jest mock

• jest-worker: Initial version of parallel worker abstraction, say hello!

• jest-jasmine2: Add testLocationInResults flag to add location information per spec to test results

• jest-environment-jsdom: Update JSOM to 11.4, which includes built-in support for requestAnimationFrame

• jest-cli: Hide watch usage output when running on non-interactive environments

• jest-snapshot: Promises support for toThrowErrorMatchingSnapshot

• jest-cli: Explain which snapshots are obsolete

Chore & Maintenance

• breaking

  *: Drop support for Node.js version 4