Features
[expect]
Highlight substring differences when matcher fails, part 1 (#8448)[expect]
Highlight substring differences when matcher fails, part 2 (#8528)[expect]
Improve report when mock-spy matcher fails, part 1 (#8640)[expect]
Improve report when mock-spy matcher fails, part 2 (#8649)[expect]
Improve report when mock-spy matcher fails, part 3 (#8697)[expect]
Improve report when mock-spy matcher fails, part 4 (#8710)[expect]
Throw matcher error when received cannot be jasmine spy (#8747)[expect]
Improve report when negative CalledWith assertion fails (#8755)[expect]
Improve report when positive CalledWith assertion fails (#8771)[expect]
Display equal values for ReturnedWith similar to CalledWith (#8791)[expect, jest-snapshot]
Change color from green for some args in matcher hints (#8812)[jest-snapshot]
Highlight substring differences when matcher fails, part 3 (#8569)[jest-core]
Improve report when snapshots are obsolete (#8448)[jest-cli]
Improve chai support (with detailed output, to match jest exceptions) (#8454)[*]
Manage the global timeout with--testTimeout
command line argument. (#8456)[pretty-format]
Render custom displayName of memoized components (#8546)[jest-validate]
AllowmaxWorkers
as part of thejest.config.js
(#8565)[jest-runtime]
Allow passing configuration objects to transformers (#7288)[@jest/core, @jest/test-sequencer]
Support async sort in customtestSequencer
(#8642)[jest-runtime, @jest/fake-timers]
Addjest.advanceTimersToNextTimer
(#8713)[@jest-transform]
Extract transforming require logic withinjest-core
into@jest-transform
(#8756)[jest-matcher-utils]
Add color options tomatcherHint
(#8795)[jest-circus/jest-jasmine2]
Give clearer output for Node assert errors (#8792)[jest-runner]
Export all types in the type signature ofjest-runner
(#8825)
Fixes
[jest-cli]
Detect side-effect only imports when running--onlyChanged
or--changedSince
(#8670)[jest-cli]
Allow--maxWorkers
to work with % input again (#8565)[babel-plugin-jest-hoist]
Expand list of whitelisted globals in global mocks (#8429)[jest-core]
Make watch plugin initialization errors look nice (#8422)[jest-snapshot]
Prevent inline snapshots from drifting when inline snapshots are updated (#8492)[jest-haste-map]
Don't throw on missing mapper in Node crawler (#8558)[jest-core]
Fix incorrectpassWithNoTests
warning (#8595)[jest-snapshots]
Fix test retries that contain snapshots (#8629)[jest-mock]
Fix incorrect assignments when restoring mocks in instances where they originally didn't exist (#8631)[expect]
Fix stack overflow when matching objects with circular references (#8687)[jest-haste-map]
Workaround a node >=12.5.0 bug that causes the process not to exit after tests have completed and cancerous memory growth (#8787)
Chore & Maintenance
[docs]
Replace FlowType with TypeScript in CONTRIBUTING.MD code conventions[jest-leak-detector]
remove code repeat (#8438)[docs]
Add example tojest.requireActual
(#8482)[docs]
Add example tojest.mock
for mocking ES6 modules with thefactory
parameter (#8550)[docs]
Add information about usingjest.doMock
with ES6 imports (#8573)[docs]
Fix variable name in custom-matcher-api code example (#8582)[docs]
Fix example used in custom environment docs (#8617)[docs]
Updated react tutorial to refer to new package of react-testing-library (@testing-library/react) (#8753)[docs]
Updated imports of react-testing-library to @testing-library/react in website (#8757)[jest-core]
AddgetVersion
(moved fromjest-cli
) (#8706)[docs]
Fix MockFunctions example that was using toContain instead of toContainEqual (#8765)[*]
Make sure copyright header comment includes license (#8783)[*]
Check copyright and license as one joined substring (#8815)[docs]
Fix WatchPluginsjestHooks.shouldRunTestSuite
example that receives an object (#8784)[*]
Enforce LF line endings (#8809)[pretty-format]
Delete obsolete link and simplify structure in README (#8824)[docs]
Fix broken transform link on webpack page (#9155)