Features
[jest-each]
[BREAKING] Add primitive pretty printing for interpolated titles (#7694)[jest-runtime]
Addjest.isolateModules
for scoped module initialization (#6701)[jest-diff]
[BREAKING] Support diffing numbers and booleans instead of returning null for different ones (#7605)[jest-diff]
[BREAKING] Replacediff
withdiff-sequences
package (#6961)[jest-cli]
[BREAKING] Only set error process error codes when they are non-zero (#7363)[jest-config]
[BREAKING] DeprecatesetupTestFrameworkScriptFile
in favor of newsetupFilesAfterEnv
(#7119)[jest-worker]
[BREAKING] Add functionality to call asetup
method in the worker before the first call and ateardown
method when ending the farm (#7014)[jest-config]
[BREAKING] Set defaultnotifyMode
tofailure-change
(#7024)[jest-haste-map]
[BREAKING] Remove support for@providesModule
(#6104)[jest-haste-map]
[BREAKING] Replace internal data structures to improve performance (#6960)[jest-haste-map]
[BREAKING] Use relative paths to allow remote caching (#7020)[jest-haste-map]
[BREAKING] Remove name from hash inHasteMap.getCacheFilePath
(#7218)[babel-preset-jest]
[BREAKING] Export a function instead of an object for Babel 7 compatibility (#7203)[jest-haste-map]
[BREAKING] Expose relative paths when getting the file iterator (#7321)[jest-cli]
[BREAKING] Run code transforms overglobal{Setup,Teardown}
(#7562)[jest-haste-map]
AddhasteFS.getSize(path)
(#7580)[jest-cli]
Print version ending in-dev
when running a local Jest clone (#7582)[jest-cli]
Add Support forglobalSetup
andglobalTeardown
in projects (#6865)[jest-runtime]
AddextraGlobals
to config to load extra global variables into the execution vm (#7454)[jest-util]
ExportspecialChars
containing Unicode characters and ANSI escapes for console output (#7532)[jest-config]
Handle typescript (ts
andtsx
) by default (#7533)[jest-validate]
Add support for comments inpackage.json
using a"//"
key (#7295)[jest-config]
Add shorthand for watch plugins and runners (#7213)[jest-jasmine2/jest-circus/jest-cli]
Add test.todo (#6996)[pretty-format]
Option to not escape strings in diff messages (#5661)[jest-haste-map]
AddgetFileIterator
toHasteFS
for faster file iteration (#7010)[jest-config]
AddreadConfigs
function, previously injest-cli
(#7096)[jest-snapshot]
Enable configurable snapshot paths (#6143)[pretty-format]
Support HTMLCollection and NodeList in DOMCollection plugin (#7125)[jest-runtime]
Pass the normalized configuration to script transformers (#7148)[expect]
Improve report when assertion fails, part 3 (#7152)[jest-runtime]
Ifrequire
fails without a file extension, print all files that match with one (#7160)[jest-haste-map]
MakeignorePattern
optional (#7166)[jest-haste-map]
AddgetCacheFilePath
to get the path to the cache file for aHasteMap
instance (#7217)[jest-runtime]
RemovecacheDirectory
fromignorePattern
forHasteMap
if not necessary (#7166)[jest-validate]
Add syntax to validate multiple permitted types (#7207)[jest-config]
Accept an array as as well as a string fortestRegex
([#7209]#7209))[expect/jest-matcher-utils]
Improve report when assertion fails, part 4 (#7241)[expect/jest-matcher-utils]
Improve report when assertion fails, part 5 (#7557)[expect]
Check constructor equality in .toStrictEqual() (#7005)[jest-util]
Addjest.getTimerCount()
to get the count of scheduled fake timers (#7285)[jest-config]
AdddependencyExtractor
option to use a custom module to extract dependencies from files (#7313, #7349, #7350, #7362)[jest-haste-map]
Accept agetCacheKey
method inhasteImplModulePath
modules to reset the cache when the logic changes (#7350)[jest-config]
Addhaste.computeSha1
option to compute the sha-1 of the files in the haste map (#7345)[expect]
expect(Infinity).toBeCloseTo(Infinity)
TreatsInfinity
as equal in toBeCloseTo matcher (#7405)[jest-worker]
Add node worker-thread support to jest-worker (#7408)[jest-config]
Allowbail
setting to be configured with a number allowing tests to abort aftern
of failures (#7335)[jest-config]
Allow % based configuration of--max-workers
(#7494)[jest-runner]
Instantiate the test environment class with the currenttestPath
(#7442)[jest-config]
Always resolve jest-environment-jsdom from jest-config (#7476)[expect]
Improve report when assertion fails, part 6 (#7621)[jest-worker]
AddenableWorkerThreads
option to explicitly opt-in toworker_threads
if available (#7681)
Fixes
[expect]
Accept inherited properties intoHaveProperty
matcher (#7686)[jest-diff]
Do not claim that-0
and0
have no visual difference (#7605)[jest-mock]
Fix automock for numeric function names (#7653)[jest-config]
EnsureexistsSync
is only called with a string parameter (#7607)[expect]
toStrictEqual
considers sparseness of arrays. (#7591)[jest-cli]
Fix empty coverage data for untested files (#7388)[jest-cli]
[BREAKING] Do not usetext-summary
coverage reporter by default if other reporters are configured (#7058)[jest-mock]
[BREAKING] Fix bugs with mock/spy result tracking of recursive functions (#6381)[jest-haste-map]
[BREAKING] Recover files correctly after haste name collisions are fixed (#7329)[pretty-format]
[BREAKING] Omit non-enumerable symbol properties (#7448)[*]
[BREAKING] Upgrade to Babel 7, dropping support for Babel 6 (#7016)[jest-cli]
Avoid watch mode causing bad terminal behavior in some cases (#7523)[jest-runner/jest-worker]
Fix missing console output in verbose mode (#6871)[expect]
Standardize file naming inexpect
(#7306)[jest-each]
Add empty array validation check (#7249)[jest-cli]
Interrupt tests if interactive watch plugin key is pressed (#7222)[jest-each]
Add each array validation check (#7033)[jest-haste-map]
Do not visit again files with the same sha-1 (#6990)[jest-jasmine2]
Fix memory leak in Error objects hold by the framework (#6965)[jest-haste-map]
Fixed Haste whitelist generation for scoped modules on Windows (#6980)[jest-mock]
Fix inheritance of static properties and methods in mocks (#7003)[jest-mock]
Fix mocking objects withoutObject.prototype
in their prototype chain (#7003)[jest-mock]
Check_isMockFunction
is true rather than truthy on potential mocks (#7017)[jest-cli]
Update jest-cli to show git ref in message when usingchangedSince
(#7028)[jest-jasmine2
] Fix crash when test return Promise rejected with null (#7049)[jest-runtime]
Check_isMockFunction
is true rather than truthy on potential global mocks (#7017)[jest-jasmine]
Show proper error message from asyncassert
errors (#6821)[jest-jasmine2]
Better error message when a describe block is empty (#6372)[jest-jasmine2]
Pending calls inside async tests are reported as pending not failed (#6782)[jest-circus]
Better error message when a describe block is empty (#6372)[jest-jasmine2]
Add missing testLocationResults forxit
andfit
(#6482)[expect]
Return false from asymmetric matchers if received value isn’t string (#7107)[jest-cli]
Fix unhandled error when a bad revision is provided tochangedSince
(#7115)[jest-config]
Moved dynamically assignedcwd
fromjest-cli
to default configuration injest-config
(#7146)[jest-config]
FixgetMaxWorkers
on termux (#7154)[jest-runtime]
Throw an explicit error ifjs
is missing frommoduleFileExtensions
(#7160)[jest-runtime]
Fix missing coverage when using negative glob pattern intestMatch
(#7170)[*]
EnsuremaxWorkers
is at least 1 (was 0 in some cases where there was only 1 CPU) (#7182)[jest-runtime]
Fix transform cache invalidation when requiring a test file from multiple projects (#7186)[jest-changed-files]
Return correctly the changed files when usinglastCommit=true
on Mercurial repositories (#7228)[babel-jest]
Cache includes babel environment variables (#7239)[jest-config]
Use strings instead ofRegExp
instances in normalized configuration (#7251)[jest-circus]
Make sure to display real duration even if time is mocked (#7264)[expect]
Improves the failing message fortoStrictEqual
matcher. (#7224)[expect]
Improves the failing message fortoEqual
matcher. (#7325)[jest-resolve]
Fix not being able to resolve path to mapped file with custom platform (#7312)[jest-message-util]
Improve parsing of error messages for unusually formatted stack traces (#7319)[jest-runtime]
Ensure error message text is not lost on errors with code frames (#7319)[jest-haste-map]
Fix to resolve path that is start with words same as rootDir (#7324)[expect]
Fix toMatchObject matcher when used withObject.create(null)
(#7334)[jest-haste-map]
Remove legacy condition for duplicate module detection (#7333)[jest-haste-map]
Fixrequire
detection with trailing commas and ignoreimport typeof
modules (#7385)[jest-cli]
Fix to set prettierPath via config file (#7412)[expect]
Test more precisely for class instance getters (#7477)[jest-cli]
Support dashed args (#7497)[jest-cli]
Fix to run in band tests if watch mode enable when runInBand arg used (#7518)[jest-runtime]
Fix mistake as test files when run coverage issue. (#7506)[jest-cli]
print info about passWithNoTests flag (#7309)[pretty-format]
Omit unnecessary symbol filter for object keys (#7457)[jest-runtime]
FixrequireActual
on node_modules with mock present (#7404)[jest-resolve]
FixisBuiltinModule
to support versions of node withoutmodule.builtinModules
(#7565)[babel-jest]
Setcwd
to be resilient to it changing during the runtime of the tests (#7574)[jest-snapshot]
Write and read snapshots from disk even iffs
is mocked (#7080)[jest-config]
Normalizeconfig.cwd
andconfig.rootDir
using `realpath (#7598)[jest-environment-node]
Fix buffer property is not ArrayBuffer issue. (#7626)[babel-plugin-jest-hoist]
Ignore TS type annotations when looking for out-of-scope references (#7641)[jest-config]
Add name to project if one does not exist to pick correct resolver (#5862)[jest-runtime]
PasswatchPathIgnorePatterns
to Haste instance (#7585)[jest-runtime]
Resolve mock files via Haste when usingrequire.resolve
(#7687)
Chore & Maintenance
[*]
[BREAKING] Require Node.js 6+ for all packages (#7258)[jest-util]
[BREAKING] Remove long-deprecated globals for fake timers (#7285)[*]
[BREAKING] Upgrade to Micromatch 3 (#6650)[*]
[BREAKING] Remove regenerator-runtime injection (#7595)[jest-worker]
Disableworker_threads
to avoid issues with libraries to ready for it (#7681)[docs]
Fix message property in custom matcher example to return a function instead of a constant. (#7426)[jest-circus]
Standardize file naming injest-circus
(#7301)[docs]
Add synchronous test.each setup (#7150)[docs]
Addthis.extend
to the Custom Matchers API reference (#7130)[docs]
Fix default value forcoverageReporters
value in configuration docs (#7126)[docs]
Add link for jest-extended in expect docs (#7078)[jest-util]
Add ErrorWithStack class (#7067)[docs]
Document--runTestsByPath
CLI parameter (#7046)[docs]
Fix babel-core installation instructions (#6745)[docs]
Explain how to rewrite assertions to avoid large irrelevant diff (#6971)[examples]
add example using Babel 7 (#6983)[docs]
Replace shallow equality with referential identity inExpectAPI.md
(#6991)[jest-changed-files]
Refactor to useexeca
overchild_process
(#6987)[*]
Bump dated dependencies (#6978)[scripts]
Don’t make empty sub-folders for ignored files in build folder (#7001)[docs]
Add missing export statement inpuppeteer_environment.js
underdocs/Puppeteer.md
(#7127)[docs]
Removed useless expect.assertions inTestingAsyncCode.md
(#7131)[docs]
Remove references to@providesModule
which isn't supported anymore (#7147)[docs]
UpdatesetupFiles
documentation for clarity (#7187)[docs]
Changerequire.require*
tojest.require*
(#7210)[jest-circus]
Add readme.md (#7198)[jest-editor-support]
Remove from the repository (#7232)[jest-test-typescript-parser]
Remove from the repository (#7232)[tests]
Free tests from the dependency on value of FORCE_COLOR (#6585)[*]
Add babel plugin to make sure Jest is unaffected by fake Promise implementations (#7225)[docs]
Add correct default value fortestUrl
config option (#7277)[docs]
Remove duplicate code inMockFunctions
(#7297)[*]
Add check for Facebook copyright headers on CI (#7370)[*]
Update Facebook copyright headers (#7589)[jest-haste-map]
RefactordependencyExtractor
and tests (#7385)[docs]
Clearify conditional setting ofNODE_ENV
(#7369)[docs]
Clarify conditional setting ofNODE_ENV
(#7369)[*]
Standardize file names (#7316, #7266, #7238, #7314, #7467, #7464), #7471)[docs]
AddtestPathIgnorePatterns
in CLI documentation (#7440)[docs]
Removed misleading text aboutdescribe()
grouping together tests into a test suite (#7434)[diff-sequences]
Add performance benchmark to package (#7603)[*]
Replace as manyObject.assign
with object spread as possible (#7627)[ci]
Initial support for Azure Pipelines (#7556)
Performance
[jest-mock]
ImprovegetType
function performance. (#7159)