Introduce toStrictEqual #6032

emilsjolander · 2018-04-19T10:07:07Z

Summary

My application is dependent on having the correct class types for objects and not just the correct object structure. So I needed a way to in my tests ensure that that an object is actually equal to another, not just that they include the same data as this does not mean they are semantically equal.

Test plan

Added test cases for passing and failing.

codecov-io · 2018-04-19T10:20:23Z

Codecov Report

Merging #6032 into master will not change coverage.
The diff coverage is n/a.

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SimenB · 2018-04-19T11:05:49Z

Doesn't that make sense as the default behaviour? Probably breaking, but the next version is a major anyways.

@cpojer thoughts?

emilsjolander · 2018-04-19T11:09:18Z

@SimenB Yeah it does but it would break sooo many things. I already spoke to @cpojer about this actually and he was the one to suggest the name strictEquals.

cpojer · 2018-04-19T11:19:07Z

Yep, as @emilsjolander says this should be the default but it would thrash too many people and would be impossible to roll out at FB. Having a separate strict matcher in Jest is the better option.

SimenB

Missing docs and changelog entry

SimenB · 2018-04-19T13:45:11Z

Fair enough 🙂

Since we're making a new strict matcher, could we have it behave correctly for undefined (#711) as well?

And maybe add a flag to make toEqual be strict, so people can avoid having to specify strict? (that's a separate issue, though)

emilsjolander · 2018-04-19T13:47:38Z

I'll definitely have a look at integrating a fix for #711

Could you point me to how I should write the changelog entry? The contribution docs don't really mention the format or what version to specify.

SimenB · 2018-04-19T13:50:44Z

Just take a look at the current changelog. Something like "[expect] Introduce toStrictEqual (#6032)" under "features" should be enough.

A PR to the contributing guide mentioning changelog entries would be awesome as well 🙂

emilsjolander · 2018-04-19T14:25:28Z

OK @SimenB I've added changelog entry and addressed undefined keys from #711. I'll add docs once this looks ok.

SimenB · 2018-04-19T14:53:26Z

You can run yanr lint:md to fix prettylint complaining. No reason to do so before adding docs, though 🙂

SimenB

Just missing docs, implementation LGTM!

emilsjolander · 2018-04-19T15:41:41Z

@SimenB done

SimenB

This is awesome!

SimenB · 2018-04-19T15:53:05Z

I do wonder if this could be a flag though, which Facebook can enable if you need "sloppy" equality

emilsjolander · 2018-04-19T15:55:32Z

@SimenB How about we look at introducing a flag to toEqual() at a later point which would then make it equivalent to toStrictEqual()? That way this PR is fully backwards compatible

SimenB · 2018-04-19T15:56:01Z

Yeah, sounds good to me :)

rickhanlonii · 2018-04-19T16:02:20Z

docs/ExpectAPI.md

+### `.toStrictEqual(value)`
+
+Much like `.toEqual` but fixes some strictness issues which for legacy reasons
+cannot be applied to `.toEqual`. Use `.toStrictEqual` when you came about object


Typo here s/came/care

rickhanlonii · 2018-04-19T16:03:24Z

@emilsjolander I fixed the typo, then ended up rewording it to match the language in the other matchers 👌

rickhanlonii

LGTM! We can improve this in the future by showing a better error when the objects are the same but fail type equality

Here's what that looks like now:

emilsjolander · 2018-04-19T16:14:03Z

@rickhanlonii Agreed. I noticed this as well but that would require a lot more work as I did not find an obvious way to do it ^^

cpojer · 2018-04-19T20:20:53Z

This PR is perfection.

This Pull Request updates dependency [jest](https://github.com/facebook/jest) from `~22.4.0` to `~23.0.0` <details> <summary>Release Notes</summary> ### [`v23.0.0`](https://github.com/facebook/jest/blob/master/CHANGELOG.md#2300) [Compare Source](jestjs/jest@2745e3e...614f739) ##### Features * `[expect]` Expose `getObjectSubset`, `iterableEquality`, and `subsetEquality` ([#6210](`https://github.com/facebook/jest/pull/6210`)) * `[jest-snapshot]` Add snapshot property matchers ([#6210](`https://github.com/facebook/jest/pull/6210`)) * `[jest-config]` Support jest-preset.js files within Node modules ([#6185](`https://github.com/facebook/jest/pull/6185`)) * `[jest-cli]` Add `--detectOpenHandles` flag which enables Jest to potentially track down handles keeping it open after tests are complete. ([#6130](`https://github.com/facebook/jest/pull/6130`)) * `[jest-jasmine2]` Add data driven testing based on `jest-each` ([#6102](`https://github.com/facebook/jest/pull/6102`)) * `[jest-matcher-utils]` Change "suggest to equal" message to be more advisory ([#6103](`https://github.com/facebook/jest/issues/6103`)) * `[jest-message-util]` Don't ignore messages with `vendor` anymore ([#6117](`https://github.com/facebook/jest/pull/6117`)) * `[jest-validate]` Get rid of `jest-config` dependency ([#6067](`https://github.com/facebook/jest/pull/6067`)) * `[jest-validate]` Adds option to inject `deprecationEntries` ([#6067](`https://github.com/facebook/jest/pull/6067`)) * `[jest-snapshot]` [**BREAKING**] Concatenate name of test, optional snapshot name and count ([#6015](`https://github.com/facebook/jest/pull/6015`)) * `[jest-runtime]` Allow for transform plugins to skip the definition process method if createTransformer method was defined. ([#5999](`https://github.com/facebook/jest/pull/5999`)) * `[expect]` Add stack trace for async errors ([#6008](`https://github.com/facebook/jest/pull/6008`)) * `[jest-jasmine2]` Add stack trace for timeouts ([#6008](`https://github.com/facebook/jest/pull/6008`)) * `[jest-jasmine2]` Add stack trace for thrown non-`Error`s ([#6008](`https://github.com/facebook/jest/pull/6008`)) * `[jest-runtime]` Prevent modules from marking themselves as their own parent ([#5235](`https://github.com/facebook/jest/issues/5235`)) * `[jest-mock]` Add support for auto-mocking generator functions ([#5983](`https://github.com/facebook/jest/pull/5983`)) * `[expect]` Add support for async matchers ([#5919](`https://github.com/facebook/jest/pull/5919`)) * `[expect]` Suggest toContainEqual ([#5948](`https://github.com/facebook/jest/pull/5953`)) * `[jest-config]` Export Jest's default options ([#5948](`https://github.com/facebook/jest/pull/5948`)) * `[jest-editor-support]` Move `coverage` to `ProjectWorkspace.collectCoverage` ([#5929](`https://github.com/facebook/jest/pull/5929`)) * `[jest-editor-support]` Add `coverage` option to runner ([#5836](`https://github.com/facebook/jest/pull/5836`)) * `[jest-haste-map]` Support extracting dynamic `import`s ([#5883](`https://github.com/facebook/jest/pull/5883`)) * `[expect]` Improve output format for mismatchedArgs in mock/spy calls. ([#5846](`https://github.com/facebook/jest/pull/5846`)) * `[jest-cli]` Add support for using `--coverage` in combination with watch mode, `--onlyChanged`, `--findRelatedTests` and more ([#5601](`https://github.com/facebook/jest/pull/5601`)) * `[jest-jasmine2]` [**BREAKING**] Adds error throwing and descriptive errors to `it`/ `test` for invalid arguments. `[jest-circus]` Adds error throwing and descriptive errors to `it`/ `test` for invalid arguments ([#5558](`https://github.com/facebook/jest/pull/5558`)) * `[jest-matcher-utils]` Add `isNot` option to `matcherHint` function ([#5512](`https://github.com/facebook/jest/pull/5512`)) * `[jest-config]` Add `<rootDir>` to runtime files not found error report ([#5693](`https://github.com/facebook/jest/pull/5693`)) * `[expect]` Make toThrow matcher pass only if Error object is returned from promises ([#5670](`https://github.com/facebook/jest/pull/5670`)) * `[expect]` Add isError to utils ([#5670](`https://github.com/facebook/jest/pull/5670`)) * `[expect]` Add inverse matchers (`expect.not.arrayContaining`, etc., [#5517](`https://github.com/facebook/jest/pull/5517`)) * `[expect]` `expect.extend` now also extends asymmetric matchers ([#5503](`https://github.com/facebook/jest/pull/5503`)) * `[jest-mock]` Update `spyOnProperty` to support spying on the prototype chain ([#5753](`https://github.com/facebook/jest/pull/5753`)) * `[jest-mock]` Add tracking of return values in the `mock` property ([#5752](`https://github.com/facebook/jest/pull/5752`)) * `[jest-mock]` Add tracking of thrown errors in the `mock` property ([#5764](`https://github.com/facebook/jest/pull/5764`)) * `[expect]`Add nthCalledWith spy matcher ([#5605](`https://github.com/facebook/jest/pull/5605`)) * `[jest-cli]` Add `isSerial` property that runners can expose to specify that they can not run in parallel ([#5706](`https://github.com/facebook/jest/pull/5706`)) * `[expect]` Add `.toBeCalledTimes` and `toHaveBeenNthCalledWith` aliases ([#5826](`https://github.com/facebook/jest/pull/5826`)) * `[jest-cli]` Interactive Snapshot Mode improvements ([#5864](`https://github.com/facebook/jest/pull/5864`)) * `[jest-editor-support]` Add `no-color` option to runner ([#5909](`https://github.com/facebook/jest/pull/5909`)) * `[jest-jasmine2]` Pretty-print non-Error object errors ([#5980](`https://github.com/facebook/jest/pull/5980`)) * `[jest-message-util]` Include column in stack frames ([#5889](`https://github.com/facebook/jest/pull/5889`)) * `[expect]` Introduce toStrictEqual ([#6032](`https://github.com/facebook/jest/pull/6032`)) * `[expect]` Add return matchers ([#5879](`https://github.com/facebook/jest/pull/5879`)) * `[jest-cli]` Improve snapshot summaries ([#6181](`https://github.com/facebook/jest/pull/6181`)) * `[expect]` Include custom mock names in error messages ([#6199](`https://github.com/facebook/jest/pull/6199`)) * `[jest-diff]` Support returning diff from oneline strings ([#6221](`https://github.com/facebook/jest/pull/6221`)) * `[expect]` Improve return matchers ([#6172](`https://github.com/facebook/jest/pull/6172`)) * `[jest-cli]` Overhaul watch plugin hooks names ([#6249](`https://github.com/facebook/jest/pull/6249`)) * `[jest-mock]` Include tracked call results in serialized mock ([#6244](`https://github.com/facebook/jest/pull/6244`)) ##### Fixes * `[jest-cli]` Fix stdin encoding to utf8 for watch plugins. ([#6253](`https://github.com/facebook/jest/issues/6253`)) * `[expect]` Better detection of DOM Nodes for equality ([#6246](`https://github.com/facebook/jest/pull/6246`)) * `[jest-cli]` Fix misleading action description for F key when in "only failed tests" mode. ([#6167](`https://github.com/facebook/jest/issues/6167`)) * `[jest-worker]` Stick calls to workers before processing them ([#6073](`https://github.com/facebook/jest/pull/6073`)) * `[babel-plugin-jest-hoist]` Allow using `console` global variable ([#6075](`https://github.com/facebook/jest/pull/6075`)) * `[jest-jasmine2]` Always remove node core message from assert stack traces ([#6055](`https://github.com/facebook/jest/pull/6055`)) * `[expect]` Add stack trace when `expect.assertions` and `expect.hasAssertions` causes test failures. ([#5997](`https://github.com/facebook/jest/pull/5997`)) * `[jest-runtime]` Throw a more useful error when trying to require modules after the test environment is torn down ([#5888](`https://github.com/facebook/jest/pull/5888`)) * `[jest-mock]` [**BREAKING**] Replace timestamps with `invocationCallOrder` ([#5867](`https://github.com/facebook/jest/pull/5867`)) * `[jest-jasmine2]` Install `sourcemap-support` into normal runtime to catch runtime errors ([#5945](`https://github.com/facebook/jest/pull/5945`)) * `[jest-jasmine2]` Added assertion error handling inside `afterAll hook` ([#5884](`https://github.com/facebook/jest/pull/5884`)) * `[jest-cli]` Remove the notifier actions in case of failure when not in watch mode. ([#5861](`https://github.com/facebook/jest/pull/5861`)) * `[jest-mock]` Extend .toHaveBeenCalled return message with outcome ([#5951](`https://github.com/facebook/jest/pull/5951`)) * `[jest-runner]` Assign `process.env.JEST_WORKER_ID="1"` when in runInBand mode ([#5860](`https://github.com/facebook/jest/pull/5860`)) * `[jest-cli]` Add descriptive error message when trying to use `globalSetup`/`globalTeardown` file that doesn't export a function. ([#5835](`https://github.com/facebook/jest/pull/5835`)) * `[expect]` Do not rely on `instanceof RegExp`, since it will not work for RegExps created inside of a different VM ([#5729](`https://github.com/facebook/jest/pull/5729`)) * `[jest-resolve]` Update node module resolution algorithm to correctly handle symlinked paths ([#5085](`https://github.com/facebook/jest/pull/5085`)) * `[jest-editor-support]` Update `Settings` to use spawn in shell option ([#5658](`https://github.com/facebook/jest/pull/5658`)) * `[jest-cli]` Improve the error message when 2 projects resolve to the same config ([#5674](`https://github.com/facebook/jest/pull/5674`)) * `[jest-runtime]` remove retainLines from coverage instrumentation ([#5692](`https://github.com/facebook/jest/pull/5692`)) * `[jest-cli]` Fix update snapshot issue when using watchAll ([#5696](`https://github.com/facebook/jest/pull/5696`)) * `[expect]` Fix rejects.not matcher ([#5670](`https://github.com/facebook/jest/pull/5670`)) * `[jest-runtime]` Prevent Babel warnings on large files ([#5702](`https://github.com/facebook/jest/pull/5702`)) * `[jest-mock]` Prevent `mockRejectedValue` from causing unhandled rejection ([#5720](`https://github.com/facebook/jest/pull/5720`)) * `[pretty-format]` Handle React fragments better ([#5816](`https://github.com/facebook/jest/pull/5816`)) * `[pretty-format]` Handle formatting of `React.forwardRef` and `Context` components ([#6093](`https://github.com/facebook/jest/pull/6093`)) * `[jest-cli]` Switch collectCoverageFrom back to a string ([#5914](`https://github.com/facebook/jest/pull/5914`)) * `[jest-regex-util]` Fix handling regex symbols in tests path on Windows ([#5941](`https://github.com/facebook/jest/pull/5941`)) * `[jest-util]` Fix handling of NaN/Infinity in mock timer delay ([#5966](`https://github.com/facebook/jest/pull/5966`)) * `[jest-resolve]` Generalise test for package main entries equivalent to ".". ([#5968](`https://github.com/facebook/jest/pull/5968`)) * `[jest-config]` Ensure that custom resolvers are used when resolving the configuration ([#5976](`https://github.com/facebook/jest/pull/5976`)) * `[website]` Fix website docs ([#5853](`https://github.com/facebook/jest/pull/5853`)) * `[expect]` Fix isEqual Set and Map to compare object values and keys regardless of order ([#6150](`https://github.com/facebook/jest/pull/6150`)) * `[pretty-format]` [**BREAKING**] Remove undefined props from React elements ([#6162](`https://github.com/facebook/jest/pull/6162`)) * `[jest-haste-map]` Properly resolve mocked node modules without package.json defined ([#6232](`https://github.com/facebook/jest/pull/6232`)) ##### Chore & Maintenance * `[jest-runner]` Move sourcemap installation from `jest-jasmine2` to `jest-runner` ([#6176](`https://github.com/facebook/jest/pull/6176`)) * `[jest-cli]` Use yargs's built-in `version` instead of rolling our own ([#6215](`https://github.com/facebook/jest/pull/6215`)) * `[docs]` Add explanation on how to mock methods not implemented in JSDOM * `[jest-jasmine2]` Simplify `Env.execute` and TreeProcessor to setup and clean resources for the top suite the same way as for all of the children suites ([#5885](`https://github.com/facebook/jest/pull/5885`)) * `[babel-jest]` [**BREAKING**] Always return object from transformer ([#5991](`https://github.com/facebook/jest/pull/5991`)) * `[*]` Run Prettier on compiled output ([#5858](`https://github.com/facebook/jest/pull/3497`)) * `[jest-cli]` Add fileChange hook for plugins ([#5708](`https://github.com/facebook/jest/pull/5708`)) * `[docs]` Add docs on using `jest.mock(...)` ([#5648](`https://github.com/facebook/jest/pull/5648`)) * `[docs]` Mention Jest Puppeteer Preset ([#5722](`https://github.com/facebook/jest/pull/5722`)) * `[docs]` Add jest-community section to website ([#5675](`https://github.com/facebook/jest/pull/5675`)) * `[docs]` Add versioned docs for v22.4 ([##5733](https://github.com/facebook/jest/pull/#5733)) * `[docs]` Improve Snapshot Testing Guide ([#5812](`https://github.com/facebook/jest/issues/5812`)) * `[jest-runtime]` [**BREAKING**] Remove `jest.genMockFn` and `jest.genMockFunction` ([#6173](`https://github.com/facebook/jest/pull/6173`)) * `[jest-message-util]` Avoid adding unnecessary indent to blank lines in stack traces ([#6211](`https://github.com/facebook/jest/pull/6211`)) --- </details> --- This PR has been generated by [Renovate Bot](https://renovatebot.com).

This Pull Request updates dependency [jest](https://github.com/facebook/jest) from `~22.4.0` to `~23.0.0` <details> <summary>Release Notes</summary> ### [`v23.0.0`](https://github.com/facebook/jest/blob/master/CHANGELOG.md#2300) [Compare Source](jestjs/jest@2745e3e...v23.0.0) ##### Features * `[expect]` Expose `getObjectSubset`, `iterableEquality`, and `subsetEquality` ([#6210](`https://github.com/facebook/jest/pull/6210`)) * `[jest-snapshot]` Add snapshot property matchers ([#6210](`https://github.com/facebook/jest/pull/6210`)) * `[jest-config]` Support jest-preset.js files within Node modules ([#6185](`https://github.com/facebook/jest/pull/6185`)) * `[jest-cli]` Add `--detectOpenHandles` flag which enables Jest to potentially track down handles keeping it open after tests are complete. ([#6130](`https://github.com/facebook/jest/pull/6130`)) * `[jest-jasmine2]` Add data driven testing based on `jest-each` ([#6102](`https://github.com/facebook/jest/pull/6102`)) * `[jest-matcher-utils]` Change "suggest to equal" message to be more advisory ([#6103](`https://github.com/facebook/jest/issues/6103`)) * `[jest-message-util]` Don't ignore messages with `vendor` anymore ([#6117](`https://github.com/facebook/jest/pull/6117`)) * `[jest-validate]` Get rid of `jest-config` dependency ([#6067](`https://github.com/facebook/jest/pull/6067`)) * `[jest-validate]` Adds option to inject `deprecationEntries` ([#6067](`https://github.com/facebook/jest/pull/6067`)) * `[jest-snapshot]` [**BREAKING**] Concatenate name of test, optional snapshot name and count ([#6015](`https://github.com/facebook/jest/pull/6015`)) * `[jest-runtime]` Allow for transform plugins to skip the definition process method if createTransformer method was defined. ([#5999](`https://github.com/facebook/jest/pull/5999`)) * `[expect]` Add stack trace for async errors ([#6008](`https://github.com/facebook/jest/pull/6008`)) * `[jest-jasmine2]` Add stack trace for timeouts ([#6008](`https://github.com/facebook/jest/pull/6008`)) * `[jest-jasmine2]` Add stack trace for thrown non-`Error`s ([#6008](`https://github.com/facebook/jest/pull/6008`)) * `[jest-runtime]` Prevent modules from marking themselves as their own parent ([#5235](`https://github.com/facebook/jest/issues/5235`)) * `[jest-mock]` Add support for auto-mocking generator functions ([#5983](`https://github.com/facebook/jest/pull/5983`)) * `[expect]` Add support for async matchers ([#5919](`https://github.com/facebook/jest/pull/5919`)) * `[expect]` Suggest toContainEqual ([#5948](`https://github.com/facebook/jest/pull/5953`)) * `[jest-config]` Export Jest's default options ([#5948](`https://github.com/facebook/jest/pull/5948`)) * `[jest-editor-support]` Move `coverage` to `ProjectWorkspace.collectCoverage` ([#5929](`https://github.com/facebook/jest/pull/5929`)) * `[jest-editor-support]` Add `coverage` option to runner ([#5836](`https://github.com/facebook/jest/pull/5836`)) * `[jest-haste-map]` Support extracting dynamic `import`s ([#5883](`https://github.com/facebook/jest/pull/5883`)) * `[expect]` Improve output format for mismatchedArgs in mock/spy calls. ([#5846](`https://github.com/facebook/jest/pull/5846`)) * `[jest-cli]` Add support for using `--coverage` in combination with watch mode, `--onlyChanged`, `--findRelatedTests` and more ([#5601](`https://github.com/facebook/jest/pull/5601`)) * `[jest-jasmine2]` [**BREAKING**] Adds error throwing and descriptive errors to `it`/ `test` for invalid arguments. `[jest-circus]` Adds error throwing and descriptive errors to `it`/ `test` for invalid arguments ([#5558](`https://github.com/facebook/jest/pull/5558`)) * `[jest-matcher-utils]` Add `isNot` option to `matcherHint` function ([#5512](`https://github.com/facebook/jest/pull/5512`)) * `[jest-config]` Add `<rootDir>` to runtime files not found error report ([#5693](`https://github.com/facebook/jest/pull/5693`)) * `[expect]` Make toThrow matcher pass only if Error object is returned from promises ([#5670](`https://github.com/facebook/jest/pull/5670`)) * `[expect]` Add isError to utils ([#5670](`https://github.com/facebook/jest/pull/5670`)) * `[expect]` Add inverse matchers (`expect.not.arrayContaining`, etc., [#5517](`https://github.com/facebook/jest/pull/5517`)) * `[expect]` `expect.extend` now also extends asymmetric matchers ([#5503](`https://github.com/facebook/jest/pull/5503`)) * `[jest-mock]` Update `spyOnProperty` to support spying on the prototype chain ([#5753](`https://github.com/facebook/jest/pull/5753`)) * `[jest-mock]` Add tracking of return values in the `mock` property ([#5752](`https://github.com/facebook/jest/pull/5752`)) * `[jest-mock]` Add tracking of thrown errors in the `mock` property ([#5764](`https://github.com/facebook/jest/pull/5764`)) * `[expect]`Add nthCalledWith spy matcher ([#5605](`https://github.com/facebook/jest/pull/5605`)) * `[jest-cli]` Add `isSerial` property that runners can expose to specify that they can not run in parallel ([#5706](`https://github.com/facebook/jest/pull/5706`)) * `[expect]` Add `.toBeCalledTimes` and `toHaveBeenNthCalledWith` aliases ([#5826](`https://github.com/facebook/jest/pull/5826`)) * `[jest-cli]` Interactive Snapshot Mode improvements ([#5864](`https://github.com/facebook/jest/pull/5864`)) * `[jest-editor-support]` Add `no-color` option to runner ([#5909](`https://github.com/facebook/jest/pull/5909`)) * `[jest-jasmine2]` Pretty-print non-Error object errors ([#5980](`https://github.com/facebook/jest/pull/5980`)) * `[jest-message-util]` Include column in stack frames ([#5889](`https://github.com/facebook/jest/pull/5889`)) * `[expect]` Introduce toStrictEqual ([#6032](`https://github.com/facebook/jest/pull/6032`)) * `[expect]` Add return matchers ([#5879](`https://github.com/facebook/jest/pull/5879`)) * `[jest-cli]` Improve snapshot summaries ([#6181](`https://github.com/facebook/jest/pull/6181`)) * `[expect]` Include custom mock names in error messages ([#6199](`https://github.com/facebook/jest/pull/6199`)) * `[jest-diff]` Support returning diff from oneline strings ([#6221](`https://github.com/facebook/jest/pull/6221`)) * `[expect]` Improve return matchers ([#6172](`https://github.com/facebook/jest/pull/6172`)) * `[jest-cli]` Overhaul watch plugin hooks names ([#6249](`https://github.com/facebook/jest/pull/6249`)) * `[jest-mock]` Include tracked call results in serialized mock ([#6244](`https://github.com/facebook/jest/pull/6244`)) ##### Fixes * `[jest-cli]` Fix stdin encoding to utf8 for watch plugins. ([#6253](`https://github.com/facebook/jest/issues/6253`)) * `[expect]` Better detection of DOM Nodes for equality ([#6246](`https://github.com/facebook/jest/pull/6246`)) * `[jest-cli]` Fix misleading action description for F key when in "only failed tests" mode. ([#6167](`https://github.com/facebook/jest/issues/6167`)) * `[jest-worker]` Stick calls to workers before processing them ([#6073](`https://github.com/facebook/jest/pull/6073`)) * `[babel-plugin-jest-hoist]` Allow using `console` global variable ([#6075](`https://github.com/facebook/jest/pull/6075`)) * `[jest-jasmine2]` Always remove node core message from assert stack traces ([#6055](`https://github.com/facebook/jest/pull/6055`)) * `[expect]` Add stack trace when `expect.assertions` and `expect.hasAssertions` causes test failures. ([#5997](`https://github.com/facebook/jest/pull/5997`)) * `[jest-runtime]` Throw a more useful error when trying to require modules after the test environment is torn down ([#5888](`https://github.com/facebook/jest/pull/5888`)) * `[jest-mock]` [**BREAKING**] Replace timestamps with `invocationCallOrder` ([#5867](`https://github.com/facebook/jest/pull/5867`)) * `[jest-jasmine2]` Install `sourcemap-support` into normal runtime to catch runtime errors ([#5945](`https://github.com/facebook/jest/pull/5945`)) * `[jest-jasmine2]` Added assertion error handling inside `afterAll hook` ([#5884](`https://github.com/facebook/jest/pull/5884`)) * `[jest-cli]` Remove the notifier actions in case of failure when not in watch mode. ([#5861](`https://github.com/facebook/jest/pull/5861`)) * `[jest-mock]` Extend .toHaveBeenCalled return message with outcome ([#5951](`https://github.com/facebook/jest/pull/5951`)) * `[jest-runner]` Assign `process.env.JEST_WORKER_ID="1"` when in runInBand mode ([#5860](`https://github.com/facebook/jest/pull/5860`)) * `[jest-cli]` Add descriptive error message when trying to use `globalSetup`/`globalTeardown` file that doesn't export a function. ([#5835](`https://github.com/facebook/jest/pull/5835`)) * `[expect]` Do not rely on `instanceof RegExp`, since it will not work for RegExps created inside of a different VM ([#5729](`https://github.com/facebook/jest/pull/5729`)) * `[jest-resolve]` Update node module resolution algorithm to correctly handle symlinked paths ([#5085](`https://github.com/facebook/jest/pull/5085`)) * `[jest-editor-support]` Update `Settings` to use spawn in shell option ([#5658](`https://github.com/facebook/jest/pull/5658`)) * `[jest-cli]` Improve the error message when 2 projects resolve to the same config ([#5674](`https://github.com/facebook/jest/pull/5674`)) * `[jest-runtime]` remove retainLines from coverage instrumentation ([#5692](`https://github.com/facebook/jest/pull/5692`)) * `[jest-cli]` Fix update snapshot issue when using watchAll ([#5696](`https://github.com/facebook/jest/pull/5696`)) * `[expect]` Fix rejects.not matcher ([#5670](`https://github.com/facebook/jest/pull/5670`)) * `[jest-runtime]` Prevent Babel warnings on large files ([#5702](`https://github.com/facebook/jest/pull/5702`)) * `[jest-mock]` Prevent `mockRejectedValue` from causing unhandled rejection ([#5720](`https://github.com/facebook/jest/pull/5720`)) * `[pretty-format]` Handle React fragments better ([#5816](`https://github.com/facebook/jest/pull/5816`)) * `[pretty-format]` Handle formatting of `React.forwardRef` and `Context` components ([#6093](`https://github.com/facebook/jest/pull/6093`)) * `[jest-cli]` Switch collectCoverageFrom back to a string ([#5914](`https://github.com/facebook/jest/pull/5914`)) * `[jest-regex-util]` Fix handling regex symbols in tests path on Windows ([#5941](`https://github.com/facebook/jest/pull/5941`)) * `[jest-util]` Fix handling of NaN/Infinity in mock timer delay ([#5966](`https://github.com/facebook/jest/pull/5966`)) * `[jest-resolve]` Generalise test for package main entries equivalent to ".". ([#5968](`https://github.com/facebook/jest/pull/5968`)) * `[jest-config]` Ensure that custom resolvers are used when resolving the configuration ([#5976](`https://github.com/facebook/jest/pull/5976`)) * `[website]` Fix website docs ([#5853](`https://github.com/facebook/jest/pull/5853`)) * `[expect]` Fix isEqual Set and Map to compare object values and keys regardless of order ([#6150](`https://github.com/facebook/jest/pull/6150`)) * `[pretty-format]` [**BREAKING**] Remove undefined props from React elements ([#6162](`https://github.com/facebook/jest/pull/6162`)) * `[jest-haste-map]` Properly resolve mocked node modules without package.json defined ([#6232](`https://github.com/facebook/jest/pull/6232`)) ##### Chore & Maintenance * `[jest-runner]` Move sourcemap installation from `jest-jasmine2` to `jest-runner` ([#6176](`https://github.com/facebook/jest/pull/6176`)) * `[jest-cli]` Use yargs's built-in `version` instead of rolling our own ([#6215](`https://github.com/facebook/jest/pull/6215`)) * `[docs]` Add explanation on how to mock methods not implemented in JSDOM * `[jest-jasmine2]` Simplify `Env.execute` and TreeProcessor to setup and clean resources for the top suite the same way as for all of the children suites ([#5885](`https://github.com/facebook/jest/pull/5885`)) * `[babel-jest]` [**BREAKING**] Always return object from transformer ([#5991](`https://github.com/facebook/jest/pull/5991`)) * `[*]` Run Prettier on compiled output ([#5858](`https://github.com/facebook/jest/pull/3497`)) * `[jest-cli]` Add fileChange hook for plugins ([#5708](`https://github.com/facebook/jest/pull/5708`)) * `[docs]` Add docs on using `jest.mock(...)` ([#5648](`https://github.com/facebook/jest/pull/5648`)) * `[docs]` Mention Jest Puppeteer Preset ([#5722](`https://github.com/facebook/jest/pull/5722`)) * `[docs]` Add jest-community section to website ([#5675](`https://github.com/facebook/jest/pull/5675`)) * `[docs]` Add versioned docs for v22.4 ([##5733](https://github.com/facebook/jest/pull/#5733)) * `[docs]` Improve Snapshot Testing Guide ([#5812](`https://github.com/facebook/jest/issues/5812`)) * `[jest-runtime]` [**BREAKING**] Remove `jest.genMockFn` and `jest.genMockFunction` ([#6173](`https://github.com/facebook/jest/pull/6173`)) * `[jest-message-util]` Avoid adding unnecessary indent to blank lines in stack traces ([#6211](`https://github.com/facebook/jest/pull/6211`)) --- </details> --- This PR has been generated by [Renovate Bot](https://renovatebot.com).

This Pull Request updates dependency [jest](https://github.com/facebook/jest) from `v22.4.3` to `v23.0.1` <details> <summary>Release Notes</summary> ### [`v23.0.1`](https://github.com/facebook/jest/blob/master/CHANGELOG.md#2301) [Compare Source](jestjs/jest@v23.0.0...3a3b4e3) ##### Chore & Maintenance * `[jest-jasemine2]` Add dependency on jest-each ([#6308](`https://github.com/facebook/jest/pull/6308`)) * `[jest-each]` Move jest-each into core Jest ([#6278](`https://github.com/facebook/jest/pull/6278`)) * `[examples]` Update typescript example to using ts-jest ([#6260](`https://github.com/facebook/jest/pull/6260`)) ##### Fixes * `[pretty-format]` Serialize inverse asymmetric matchers correctly ([#6272](`https://github.com/facebook/jest/pull/6272`)) --- ### [`v23.0.0`](https://github.com/facebook/jest/blob/master/CHANGELOG.md#2300) [Compare Source](jestjs/jest@2745e3e...v23.0.0) ##### Features * `[expect]` Expose `getObjectSubset`, `iterableEquality`, and `subsetEquality` ([#6210](`https://github.com/facebook/jest/pull/6210`)) * `[jest-snapshot]` Add snapshot property matchers ([#6210](`https://github.com/facebook/jest/pull/6210`)) * `[jest-config]` Support jest-preset.js files within Node modules ([#6185](`https://github.com/facebook/jest/pull/6185`)) * `[jest-cli]` Add `--detectOpenHandles` flag which enables Jest to potentially track down handles keeping it open after tests are complete. ([#6130](`https://github.com/facebook/jest/pull/6130`)) * `[jest-jasmine2]` Add data driven testing based on `jest-each` ([#6102](`https://github.com/facebook/jest/pull/6102`)) * `[jest-matcher-utils]` Change "suggest to equal" message to be more advisory ([#6103](`https://github.com/facebook/jest/issues/6103`)) * `[jest-message-util]` Don't ignore messages with `vendor` anymore ([#6117](`https://github.com/facebook/jest/pull/6117`)) * `[jest-validate]` Get rid of `jest-config` dependency ([#6067](`https://github.com/facebook/jest/pull/6067`)) * `[jest-validate]` Adds option to inject `deprecationEntries` ([#6067](`https://github.com/facebook/jest/pull/6067`)) * `[jest-snapshot]` [**BREAKING**] Concatenate name of test, optional snapshot name and count ([#6015](`https://github.com/facebook/jest/pull/6015`)) * `[jest-runtime]` Allow for transform plugins to skip the definition process method if createTransformer method was defined. ([#5999](`https://github.com/facebook/jest/pull/5999`)) * `[expect]` Add stack trace for async errors ([#6008](`https://github.com/facebook/jest/pull/6008`)) * `[jest-jasmine2]` Add stack trace for timeouts ([#6008](`https://github.com/facebook/jest/pull/6008`)) * `[jest-jasmine2]` Add stack trace for thrown non-`Error`s ([#6008](`https://github.com/facebook/jest/pull/6008`)) * `[jest-runtime]` Prevent modules from marking themselves as their own parent ([#5235](`https://github.com/facebook/jest/issues/5235`)) * `[jest-mock]` Add support for auto-mocking generator functions ([#5983](`https://github.com/facebook/jest/pull/5983`)) * `[expect]` Add support for async matchers ([#5919](`https://github.com/facebook/jest/pull/5919`)) * `[expect]` Suggest toContainEqual ([#5948](`https://github.com/facebook/jest/pull/5953`)) * `[jest-config]` Export Jest's default options ([#5948](`https://github.com/facebook/jest/pull/5948`)) * `[jest-editor-support]` Move `coverage` to `ProjectWorkspace.collectCoverage` ([#5929](`https://github.com/facebook/jest/pull/5929`)) * `[jest-editor-support]` Add `coverage` option to runner ([#5836](`https://github.com/facebook/jest/pull/5836`)) * `[jest-haste-map]` Support extracting dynamic `import`s ([#5883](`https://github.com/facebook/jest/pull/5883`)) * `[expect]` Improve output format for mismatchedArgs in mock/spy calls. ([#5846](`https://github.com/facebook/jest/pull/5846`)) * `[jest-cli]` Add support for using `--coverage` in combination with watch mode, `--onlyChanged`, `--findRelatedTests` and more ([#5601](`https://github.com/facebook/jest/pull/5601`)) * `[jest-jasmine2]` [**BREAKING**] Adds error throwing and descriptive errors to `it`/ `test` for invalid arguments. `[jest-circus]` Adds error throwing and descriptive errors to `it`/ `test` for invalid arguments ([#5558](`https://github.com/facebook/jest/pull/5558`)) * `[jest-matcher-utils]` Add `isNot` option to `matcherHint` function ([#5512](`https://github.com/facebook/jest/pull/5512`)) * `[jest-config]` Add `<rootDir>` to runtime files not found error report ([#5693](`https://github.com/facebook/jest/pull/5693`)) * `[expect]` Make toThrow matcher pass only if Error object is returned from promises ([#5670](`https://github.com/facebook/jest/pull/5670`)) * `[expect]` Add isError to utils ([#5670](`https://github.com/facebook/jest/pull/5670`)) * `[expect]` Add inverse matchers (`expect.not.arrayContaining`, etc., [#5517](`https://github.com/facebook/jest/pull/5517`)) * `[expect]` `expect.extend` now also extends asymmetric matchers ([#5503](`https://github.com/facebook/jest/pull/5503`)) * `[jest-mock]` Update `spyOnProperty` to support spying on the prototype chain ([#5753](`https://github.com/facebook/jest/pull/5753`)) * `[jest-mock]` Add tracking of return values in the `mock` property ([#5752](`https://github.com/facebook/jest/pull/5752`)) * `[jest-mock]` Add tracking of thrown errors in the `mock` property ([#5764](`https://github.com/facebook/jest/pull/5764`)) * `[expect]`Add nthCalledWith spy matcher ([#5605](`https://github.com/facebook/jest/pull/5605`)) * `[jest-cli]` Add `isSerial` property that runners can expose to specify that they can not run in parallel ([#5706](`https://github.com/facebook/jest/pull/5706`)) * `[expect]` Add `.toBeCalledTimes` and `toHaveBeenNthCalledWith` aliases ([#5826](`https://github.com/facebook/jest/pull/5826`)) * `[jest-cli]` Interactive Snapshot Mode improvements ([#5864](`https://github.com/facebook/jest/pull/5864`)) * `[jest-editor-support]` Add `no-color` option to runner ([#5909](`https://github.com/facebook/jest/pull/5909`)) * `[jest-jasmine2]` Pretty-print non-Error object errors ([#5980](`https://github.com/facebook/jest/pull/5980`)) * `[jest-message-util]` Include column in stack frames ([#5889](`https://github.com/facebook/jest/pull/5889`)) * `[expect]` Introduce toStrictEqual ([#6032](`https://github.com/facebook/jest/pull/6032`)) * `[expect]` Add return matchers ([#5879](`https://github.com/facebook/jest/pull/5879`)) * `[jest-cli]` Improve snapshot summaries ([#6181](`https://github.com/facebook/jest/pull/6181`)) * `[expect]` Include custom mock names in error messages ([#6199](`https://github.com/facebook/jest/pull/6199`)) * `[jest-diff]` Support returning diff from oneline strings ([#6221](`https://github.com/facebook/jest/pull/6221`)) * `[expect]` Improve return matchers ([#6172](`https://github.com/facebook/jest/pull/6172`)) * `[jest-cli]` Overhaul watch plugin hooks names ([#6249](`https://github.com/facebook/jest/pull/6249`)) * `[jest-mock]` Include tracked call results in serialized mock ([#6244](`https://github.com/facebook/jest/pull/6244`)) ##### Fixes * `[jest-cli]` Fix stdin encoding to utf8 for watch plugins. ([#6253](`https://github.com/facebook/jest/issues/6253`)) * `[expect]` Better detection of DOM Nodes for equality ([#6246](`https://github.com/facebook/jest/pull/6246`)) * `[jest-cli]` Fix misleading action description for F key when in "only failed tests" mode. ([#6167](`https://github.com/facebook/jest/issues/6167`)) * `[jest-worker]` Stick calls to workers before processing them ([#6073](`https://github.com/facebook/jest/pull/6073`)) * `[babel-plugin-jest-hoist]` Allow using `console` global variable ([#6075](`https://github.com/facebook/jest/pull/6075`)) * `[jest-jasmine2]` Always remove node core message from assert stack traces ([#6055](`https://github.com/facebook/jest/pull/6055`)) * `[expect]` Add stack trace when `expect.assertions` and `expect.hasAssertions` causes test failures. ([#5997](`https://github.com/facebook/jest/pull/5997`)) * `[jest-runtime]` Throw a more useful error when trying to require modules after the test environment is torn down ([#5888](`https://github.com/facebook/jest/pull/5888`)) * `[jest-mock]` [**BREAKING**] Replace timestamps with `invocationCallOrder` ([#5867](`https://github.com/facebook/jest/pull/5867`)) * `[jest-jasmine2]` Install `sourcemap-support` into normal runtime to catch runtime errors ([#5945](`https://github.com/facebook/jest/pull/5945`)) * `[jest-jasmine2]` Added assertion error handling inside `afterAll hook` ([#5884](`https://github.com/facebook/jest/pull/5884`)) * `[jest-cli]` Remove the notifier actions in case of failure when not in watch mode. ([#5861](`https://github.com/facebook/jest/pull/5861`)) * `[jest-mock]` Extend .toHaveBeenCalled return message with outcome ([#5951](`https://github.com/facebook/jest/pull/5951`)) * `[jest-runner]` Assign `process.env.JEST_WORKER_ID="1"` when in runInBand mode ([#5860](`https://github.com/facebook/jest/pull/5860`)) * `[jest-cli]` Add descriptive error message when trying to use `globalSetup`/`globalTeardown` file that doesn't export a function. ([#5835](`https://github.com/facebook/jest/pull/5835`)) * `[expect]` Do not rely on `instanceof RegExp`, since it will not work for RegExps created inside of a different VM ([#5729](`https://github.com/facebook/jest/pull/5729`)) * `[jest-resolve]` Update node module resolution algorithm to correctly handle symlinked paths ([#5085](`https://github.com/facebook/jest/pull/5085`)) * `[jest-editor-support]` Update `Settings` to use spawn in shell option ([#5658](`https://github.com/facebook/jest/pull/5658`)) * `[jest-cli]` Improve the error message when 2 projects resolve to the same config ([#5674](`https://github.com/facebook/jest/pull/5674`)) * `[jest-runtime]` remove retainLines from coverage instrumentation ([#5692](`https://github.com/facebook/jest/pull/5692`)) * `[jest-cli]` Fix update snapshot issue when using watchAll ([#5696](`https://github.com/facebook/jest/pull/5696`)) * `[expect]` Fix rejects.not matcher ([#5670](`https://github.com/facebook/jest/pull/5670`)) * `[jest-runtime]` Prevent Babel warnings on large files ([#5702](`https://github.com/facebook/jest/pull/5702`)) * `[jest-mock]` Prevent `mockRejectedValue` from causing unhandled rejection ([#5720](`https://github.com/facebook/jest/pull/5720`)) * `[pretty-format]` Handle React fragments better ([#5816](`https://github.com/facebook/jest/pull/5816`)) * `[pretty-format]` Handle formatting of `React.forwardRef` and `Context` components ([#6093](`https://github.com/facebook/jest/pull/6093`)) * `[jest-cli]` Switch collectCoverageFrom back to a string ([#5914](`https://github.com/facebook/jest/pull/5914`)) * `[jest-regex-util]` Fix handling regex symbols in tests path on Windows ([#5941](`https://github.com/facebook/jest/pull/5941`)) * `[jest-util]` Fix handling of NaN/Infinity in mock timer delay ([#5966](`https://github.com/facebook/jest/pull/5966`)) * `[jest-resolve]` Generalise test for package main entries equivalent to ".". ([#5968](`https://github.com/facebook/jest/pull/5968`)) * `[jest-config]` Ensure that custom resolvers are used when resolving the configuration ([#5976](`https://github.com/facebook/jest/pull/5976`)) * `[website]` Fix website docs ([#5853](`https://github.com/facebook/jest/pull/5853`)) * `[expect]` Fix isEqual Set and Map to compare object values and keys regardless of order ([#6150](`https://github.com/facebook/jest/pull/6150`)) * `[pretty-format]` [**BREAKING**] Remove undefined props from React elements ([#6162](`https://github.com/facebook/jest/pull/6162`)) * `[jest-haste-map]` Properly resolve mocked node modules without package.json defined ([#6232](`https://github.com/facebook/jest/pull/6232`)) ##### Chore & Maintenance * `[jest-runner]` Move sourcemap installation from `jest-jasmine2` to `jest-runner` ([#6176](`https://github.com/facebook/jest/pull/6176`)) * `[jest-cli]` Use yargs's built-in `version` instead of rolling our own ([#6215](`https://github.com/facebook/jest/pull/6215`)) * `[docs]` Add explanation on how to mock methods not implemented in JSDOM * `[jest-jasmine2]` Simplify `Env.execute` and TreeProcessor to setup and clean resources for the top suite the same way as for all of the children suites ([#5885](`https://github.com/facebook/jest/pull/5885`)) * `[babel-jest]` [**BREAKING**] Always return object from transformer ([#5991](`https://github.com/facebook/jest/pull/5991`)) * `[*]` Run Prettier on compiled output ([#5858](`https://github.com/facebook/jest/pull/3497`)) * `[jest-cli]` Add fileChange hook for plugins ([#5708](`https://github.com/facebook/jest/pull/5708`)) * `[docs]` Add docs on using `jest.mock(...)` ([#5648](`https://github.com/facebook/jest/pull/5648`)) * `[docs]` Mention Jest Puppeteer Preset ([#5722](`https://github.com/facebook/jest/pull/5722`)) * `[docs]` Add jest-community section to website ([#5675](`https://github.com/facebook/jest/pull/5675`)) * `[docs]` Add versioned docs for v22.4 ([#5733](`https://github.com/facebook/jest/pull/5733`)) * `[docs]` Improve Snapshot Testing Guide ([#5812](`https://github.com/facebook/jest/issues/5812`)) * `[jest-runtime]` [**BREAKING**] Remove `jest.genMockFn` and `jest.genMockFunction` ([#6173](`https://github.com/facebook/jest/pull/6173`)) * `[jest-message-util]` Avoid adding unnecessary indent to blank lines in stack traces ([#6211](`https://github.com/facebook/jest/pull/6211`)) --- ### [`v22.4.4`](jestjs/jest@6851d8b...v22.4.4) [Compare Source](jestjs/jest@6851d8b...v22.4.4) --- </details> --- This PR has been generated by [Renovate Bot](https://renovatebot.com).

github-actions · 2021-05-12T16:10:26Z

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Introduce toStrictEqual

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address commments

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docs + prettier

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Update docs

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Also fix the test example

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lint md

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cpojer merged commit eaee8a6 into jestjs:master Apr 19, 2018

dependencies bot mentioned this pull request Jun 1, 2018

Update babel-jest in / from 22.1.0 to 23.0.1 leonardofaria/leozera-ui#192

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tryggvigy mentioned this pull request Jul 29, 2018

feat(rules): add prefer-strict-equal jest-community/eslint-plugin-jest#134

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dependencies bot mentioned this pull request Nov 1, 2018

Update jest in / from 22.1.4 to 23.6.0 leonardofaria/leozera-ui#250

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snyk-bot mentioned this pull request Mar 17, 2020

[Snyk] Upgrade expect from 23.0.0 to 23.6.0 yowainwright/react-workshop#8

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Introduce toStrictEqual #6032

Introduce toStrictEqual #6032

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Introduce toStrictEqual #6032

Introduce toStrictEqual #6032

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emilsjolander commented Apr 19, 2018

Summary

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