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Changelog
jest 20.0.1
- Add ansi-regex to pretty-format dependencies (#3498)
- Fix <rootDir> replacement in testMatch and moduleDirectories (#3538)
- Fix expect.hasAssertions() to throw when passed arguments (#3526)
- Fix stack traces without proper error messages (#3513)
- Fix support for custom extensions through haste packages (#3537)
- Fix test contexts between test functions (#3506)
Changelog
jest 20.0.0
- New
--projectsoption to run one instance of Jest in multiple projects at the same time. (#3400) - New multi project runner (#3156)
- New --listTests flag. (#3441)
- New --showConfig flag. (#3296)
- New promise support for all
expectmatchers through.resolvesand.rejects. (#3068) - New
expect.hasAssertions()function similar toexpect.assertions(). (#3379) - New
this.equalsfunction exposed to custom matchers. (#3469) - New
valid-expectlint rule ineslint-plugin-jest. (#3067) - New HtmlElement pretty-format plugin. (#3230)
- New Immutable pretty-format plugins. (#2899)
- New test environment per file setting through
@jest-environmentin the docblock. (#2859) - New feature that allows every configuration option to be set from the command line. (#3424)
- New feature to add custom reporters to Jest through
reportersin the configuration. (#3349) - New feature to add expected and actual values to AssertionError. (#3217)
- New feature to map code coverage from transformers. (#2290)
- New feature to run untested code coverage in parallel. (#3407)
- New option to define a custom resolver. (#2998)
- New printing support for text and comment nodes in html pretty-format. (#3355)
- New snapshot testing FAQ (#3425)
- New support for custom platforms on jest-haste-map. (#3162)
- New support for mocking native async methods. (#3209)
- New guide on how to use Jest with any JavaScript framework. (#3243)
- New translation system for the Jest website.
- New collapsing watch mode usage prompt after first run. (#3078)
- Breaking Change: Forked Jasmine 2.5 into Jest's own test runner and rewrote large parts of Jasmine. (#3147)
- Breaking Change: Jest does not write new snapshots by default on CI. (#3456)
- Breaking Change: Moved the typescript parser from
jest-editor-supportinto a separatejest-test-typescript-parserpackage. (#2973) - Breaking Change: Replaced auto-loading of babel-polyfill with only regenerator-runtime, fixes a major memory leak. (#2755)
- Fixed
babel-jestto look up thebabelfield inpackage.jsonas a fallback. - Fixed
jest-editor-support's parser to not crash on incomplete ASTs. (#3259) - Fixed
jest-resolveto useis-builtin-moduleinstead ofresolve.isCore. (#2997) - Fixed
jest-snapshotto normalize line endings in theserializefunction. (#3002) - Fixed behavior of
--silentflag. (#3003) - Fixed bug with watchers on macOS causing test to crash. (#2957)
- Fixed CLI
notifyoption not taking precedence over config option. (#3340) - Fixed detection of the npm client in SummaryReporter to support Yarn. (#3263)
- Fixed done.fail not passing arguments (#3241)
- Fixed fake timers to restore after resetting mocks. (#2467)
- Fixed handling of babylon's parser options in
jest-editor-support. (#3344) - Fixed Jest to properly cache transform results. (#3334)
- Fixed Jest to use human-readable colors for Jest's own snapshots. (#3119)
- Fixed jest-config to use UID for default cache folder. (#3380), (#3387)
- Fixed jest-runtime to expose inner error when it fails to write to the cache. (#3373)
- Fixed lifecycle hooks to make afterAll hooks operate the same as afterEach. (#3275)
- Fixed pretty-format to run plugins before serializing nested basic values. (#3017)
- Fixed return value of mocks so they can explicitly be set to return
undefined. (#3354) - Fixed runner to run tests associated with snapshots when the snapshot changes. (#3025)
- Fixed snapshot serializer require, restructured pretty-format. (#3399)
- Fixed support for Babel 7 in babel-jest. (#3271)
- Fixed testMatch to find tests in .folders. (#3006)
- Fixed testNamePattern and testPathPattern to work better together. (#3327)
- Fixed to show reject reason when expecting resolve. (#3134)
- Fixed toHaveProperty() to use hasOwnProperty from Object (#3410)
- Fixed watch mode's screen clearing. (#2959) (#3294)
- Improved and consolidated Jest's configuration file resolution. (#3472)
- Improved documentation throughout the Jest website.
- Improved documentation to explicitly mention that snapshots must be reviewed. (#3203)
- Improved documentation to make it clear CRA users don't need to add dependencies. (#3312)
- Improved eslint-plugin-jest's handling of
expect. (#3306) - Improved flow-coverage, eslint rules and test coverage within the Jest repository.
- Improved printing of
expect.assertionserror. (#3033) - Improved Windows test coverage of Jest.
- Refactored configs & transform (#3376)
- Refactored reporters to pass individual Tests to reporters. (#3289)
- Refactored TestRunner (#3166)
- Refactored watch mode prompts. (#3290)
- Deleted
jest-file-exists. (#3105) - Removed
Configtype. (#3366) - Removed all usage of
jest-file-exists. (#3101) - Adopted prettier on the Jest codebase.