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Snapshot testing guide should mention caveats and how to overcome some of them #5812

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thymikee opened this issue Mar 16, 2018 · 1 comment · Fixed by #6101
Closed

Snapshot testing guide should mention caveats and how to overcome some of them #5812

thymikee opened this issue Mar 16, 2018 · 1 comment · Fixed by #6101

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@thymikee
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Do you want to request a feature or report a bug?
Feature

What is the expected behavior?
We should add a Caveats or Tradeoffs heading explaining common mistakes and misuses of snapshot testing and how to overcome them, e.g. with ESLint no-large-snapshots rule.

You'll find some context in this twitter thread.

k-m-a-c added a commit to k-m-a-c/jest that referenced this issue Apr 30, 2018
Issue: jestjs#5812

Tools get even better when it's clear how they're meant to be
used.

Created a 'best practices' section where patterns that are known
to improve the usefulness of Jest's snapshot feature can be
explained for the community's benefit.
k-m-a-c added a commit to k-m-a-c/jest that referenced this issue Apr 30, 2018
Issue: jestjs#5812

Tools get even better when it's clear how they're meant to be
used.

Created a 'best practices' section where patterns that are known
to improve the usefulness of Jest's snapshot feature can be
explained for the community's benefit.
rickhanlonii pushed a commit that referenced this issue May 5, 2018
* Add a 'best practices' section to the Snapshot Testing Guide:

Issue: #5812

Tools get even better when it's clear how they're meant to be
used.

Created a 'best practices' section where patterns that are known
to improve the usefulness of Jest's snapshot feature can be
explained for the community's benefit.

* Lint md

* Updates based on feedback

* Update language
wopian referenced this issue in wopian/eslint-config-wopian May 25, 2018
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#&#8203;2300)
[Compare Source](jestjs/jest@2745e3e...614f739)
##### Features

* `[expect]` Expose `getObjectSubset`, `iterableEquality`, and `subsetEquality`
  ([#&#8203;6210](`https://github.com/facebook/jest/pull/6210`))
* `[jest-snapshot]` Add snapshot property matchers
  ([#&#8203;6210](`https://github.com/facebook/jest/pull/6210`))
* `[jest-config]` Support jest-preset.js files within Node modules
  ([#&#8203;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.
  ([#&#8203;6130](`https://github.com/facebook/jest/pull/6130`))
* `[jest-jasmine2]` Add data driven testing based on `jest-each`
  ([#&#8203;6102](`https://github.com/facebook/jest/pull/6102`))
* `[jest-matcher-utils]` Change "suggest to equal" message to be more advisory
  ([#&#8203;6103](`https://github.com/facebook/jest/issues/6103`))
* `[jest-message-util]` Don't ignore messages with `vendor` anymore
  ([#&#8203;6117](`https://github.com/facebook/jest/pull/6117`))
* `[jest-validate]` Get rid of `jest-config` dependency
  ([#&#8203;6067](`https://github.com/facebook/jest/pull/6067`))
* `[jest-validate]` Adds option to inject `deprecationEntries`
  ([#&#8203;6067](`https://github.com/facebook/jest/pull/6067`))
* `[jest-snapshot]` [**BREAKING**] Concatenate name of test, optional snapshot
  name and count ([#&#8203;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.
  ([#&#8203;5999](`https://github.com/facebook/jest/pull/5999`))
* `[expect]` Add stack trace for async errors
  ([#&#8203;6008](`https://github.com/facebook/jest/pull/6008`))
* `[jest-jasmine2]` Add stack trace for timeouts
  ([#&#8203;6008](`https://github.com/facebook/jest/pull/6008`))
* `[jest-jasmine2]` Add stack trace for thrown non-`Error`s
  ([#&#8203;6008](`https://github.com/facebook/jest/pull/6008`))
* `[jest-runtime]` Prevent modules from marking themselves as their own parent
  ([#&#8203;5235](`https://github.com/facebook/jest/issues/5235`))
* `[jest-mock]` Add support for auto-mocking generator functions
  ([#&#8203;5983](`https://github.com/facebook/jest/pull/5983`))
* `[expect]` Add support for async matchers
   ([#&#8203;5919](`https://github.com/facebook/jest/pull/5919`))
* `[expect]` Suggest toContainEqual
  ([#&#8203;5948](`https://github.com/facebook/jest/pull/5953`))
* `[jest-config]` Export Jest's default options
  ([#&#8203;5948](`https://github.com/facebook/jest/pull/5948`))
* `[jest-editor-support]` Move `coverage` to `ProjectWorkspace.collectCoverage`
  ([#&#8203;5929](`https://github.com/facebook/jest/pull/5929`))
* `[jest-editor-support]` Add `coverage` option to runner
  ([#&#8203;5836](`https://github.com/facebook/jest/pull/5836`))
* `[jest-haste-map]` Support extracting dynamic `import`s
  ([#&#8203;5883](`https://github.com/facebook/jest/pull/5883`))
* `[expect]` Improve output format for mismatchedArgs in mock/spy calls.
  ([#&#8203;5846](`https://github.com/facebook/jest/pull/5846`))
* `[jest-cli]` Add support for using `--coverage` in combination with watch
  mode, `--onlyChanged`, `--findRelatedTests` and more
  ([#&#8203;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
  ([#&#8203;5558](`https://github.com/facebook/jest/pull/5558`))
* `[jest-matcher-utils]` Add `isNot` option to `matcherHint` function
  ([#&#8203;5512](`https://github.com/facebook/jest/pull/5512`))
* `[jest-config]` Add `<rootDir>` to runtime files not found error report
  ([#&#8203;5693](`https://github.com/facebook/jest/pull/5693`))
* `[expect]` Make toThrow matcher pass only if Error object is returned from
  promises ([#&#8203;5670](`https://github.com/facebook/jest/pull/5670`))
* `[expect]` Add isError to utils
  ([#&#8203;5670](`https://github.com/facebook/jest/pull/5670`))
* `[expect]` Add inverse matchers (`expect.not.arrayContaining`, etc.,
  [#&#8203;5517](`https://github.com/facebook/jest/pull/5517`))
* `[expect]` `expect.extend` now also extends asymmetric matchers
  ([#&#8203;5503](`https://github.com/facebook/jest/pull/5503`))
* `[jest-mock]` Update `spyOnProperty` to support spying on the prototype chain
  ([#&#8203;5753](`https://github.com/facebook/jest/pull/5753`))
* `[jest-mock]` Add tracking of return values in the `mock` property
  ([#&#8203;5752](`https://github.com/facebook/jest/pull/5752`))
* `[jest-mock]` Add tracking of thrown errors in the `mock` property
  ([#&#8203;5764](`https://github.com/facebook/jest/pull/5764`))
* `[expect]`Add nthCalledWith spy matcher
  ([#&#8203;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
  ([#&#8203;5706](`https://github.com/facebook/jest/pull/5706`))
* `[expect]` Add `.toBeCalledTimes` and `toHaveBeenNthCalledWith` aliases
  ([#&#8203;5826](`https://github.com/facebook/jest/pull/5826`))
* `[jest-cli]` Interactive Snapshot Mode improvements
  ([#&#8203;5864](`https://github.com/facebook/jest/pull/5864`))
* `[jest-editor-support]` Add `no-color` option to runner
  ([#&#8203;5909](`https://github.com/facebook/jest/pull/5909`))
* `[jest-jasmine2]` Pretty-print non-Error object errors
  ([#&#8203;5980](`https://github.com/facebook/jest/pull/5980`))
* `[jest-message-util]` Include column in stack frames
  ([#&#8203;5889](`https://github.com/facebook/jest/pull/5889`))
* `[expect]` Introduce toStrictEqual
  ([#&#8203;6032](`https://github.com/facebook/jest/pull/6032`))
* `[expect]` Add return matchers
  ([#&#8203;5879](`https://github.com/facebook/jest/pull/5879`))
* `[jest-cli]` Improve snapshot summaries
  ([#&#8203;6181](`https://github.com/facebook/jest/pull/6181`))
* `[expect]` Include custom mock names in error messages
  ([#&#8203;6199](`https://github.com/facebook/jest/pull/6199`))
* `[jest-diff]` Support returning diff from oneline strings
  ([#&#8203;6221](`https://github.com/facebook/jest/pull/6221`))
* `[expect]` Improve return matchers
  ([#&#8203;6172](`https://github.com/facebook/jest/pull/6172`))
* `[jest-cli]` Overhaul watch plugin hooks names
  ([#&#8203;6249](`https://github.com/facebook/jest/pull/6249`))
* `[jest-mock]` Include tracked call results in serialized mock
  ([#&#8203;6244](`https://github.com/facebook/jest/pull/6244`))
##### Fixes

* `[jest-cli]` Fix stdin encoding to utf8 for watch plugins.
  ([#&#8203;6253](`https://github.com/facebook/jest/issues/6253`))
* `[expect]` Better detection of DOM Nodes for equality
  ([#&#8203;6246](`https://github.com/facebook/jest/pull/6246`))
* `[jest-cli]` Fix misleading action description for F key when in "only failed
  tests" mode. ([#&#8203;6167](`https://github.com/facebook/jest/issues/6167`))
* `[jest-worker]` Stick calls to workers before processing them
  ([#&#8203;6073](`https://github.com/facebook/jest/pull/6073`))
* `[babel-plugin-jest-hoist]` Allow using `console` global variable
  ([#&#8203;6075](`https://github.com/facebook/jest/pull/6075`))
* `[jest-jasmine2]` Always remove node core message from assert stack traces
  ([#&#8203;6055](`https://github.com/facebook/jest/pull/6055`))
* `[expect]` Add stack trace when `expect.assertions` and `expect.hasAssertions`
  causes test failures. ([#&#8203;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
  ([#&#8203;5888](`https://github.com/facebook/jest/pull/5888`))
* `[jest-mock]` [**BREAKING**] Replace timestamps with `invocationCallOrder`
  ([#&#8203;5867](`https://github.com/facebook/jest/pull/5867`))
* `[jest-jasmine2]` Install `sourcemap-support` into normal runtime to catch
  runtime errors ([#&#8203;5945](`https://github.com/facebook/jest/pull/5945`))
* `[jest-jasmine2]` Added assertion error handling inside `afterAll hook`
  ([#&#8203;5884](`https://github.com/facebook/jest/pull/5884`))
* `[jest-cli]` Remove the notifier actions in case of failure when not in watch
  mode. ([#&#8203;5861](`https://github.com/facebook/jest/pull/5861`))
* `[jest-mock]` Extend .toHaveBeenCalled return message with outcome
  ([#&#8203;5951](`https://github.com/facebook/jest/pull/5951`))
* `[jest-runner]` Assign `process.env.JEST_WORKER_ID="1"` when in runInBand mode
  ([#&#8203;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.
  ([#&#8203;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
  ([#&#8203;5729](`https://github.com/facebook/jest/pull/5729`))
* `[jest-resolve]` Update node module resolution algorithm to correctly handle
  symlinked paths ([#&#8203;5085](`https://github.com/facebook/jest/pull/5085`))
* `[jest-editor-support]` Update `Settings` to use spawn in shell option
  ([#&#8203;5658](`https://github.com/facebook/jest/pull/5658`))
* `[jest-cli]` Improve the error message when 2 projects resolve to the same
  config ([#&#8203;5674](`https://github.com/facebook/jest/pull/5674`))
* `[jest-runtime]` remove retainLines from coverage instrumentation
  ([#&#8203;5692](`https://github.com/facebook/jest/pull/5692`))
* `[jest-cli]` Fix update snapshot issue when using watchAll
  ([#&#8203;5696](`https://github.com/facebook/jest/pull/5696`))
* `[expect]` Fix rejects.not matcher
  ([#&#8203;5670](`https://github.com/facebook/jest/pull/5670`))
* `[jest-runtime]` Prevent Babel warnings on large files
  ([#&#8203;5702](`https://github.com/facebook/jest/pull/5702`))
* `[jest-mock]` Prevent `mockRejectedValue` from causing unhandled rejection
  ([#&#8203;5720](`https://github.com/facebook/jest/pull/5720`))
* `[pretty-format]` Handle React fragments better
  ([#&#8203;5816](`https://github.com/facebook/jest/pull/5816`))
* `[pretty-format]` Handle formatting of `React.forwardRef` and `Context`
  components ([#&#8203;6093](`https://github.com/facebook/jest/pull/6093`))
* `[jest-cli]` Switch collectCoverageFrom back to a string
  ([#&#8203;5914](`https://github.com/facebook/jest/pull/5914`))
* `[jest-regex-util]` Fix handling regex symbols in tests path on Windows
  ([#&#8203;5941](`https://github.com/facebook/jest/pull/5941`))
* `[jest-util]` Fix handling of NaN/Infinity in mock timer delay
  ([#&#8203;5966](`https://github.com/facebook/jest/pull/5966`))
* `[jest-resolve]` Generalise test for package main entries equivalent to ".".
  ([#&#8203;5968](`https://github.com/facebook/jest/pull/5968`))
* `[jest-config]` Ensure that custom resolvers are used when resolving the
  configuration ([#&#8203;5976](`https://github.com/facebook/jest/pull/5976`))
* `[website]` Fix website docs
  ([#&#8203;5853](`https://github.com/facebook/jest/pull/5853`))
* `[expect]` Fix isEqual Set and Map to compare object values and keys
  regardless of order ([#&#8203;6150](`https://github.com/facebook/jest/pull/6150`))
* `[pretty-format]` [**BREAKING**] Remove undefined props from React elements
  ([#&#8203;6162](`https://github.com/facebook/jest/pull/6162`))
* `[jest-haste-map]` Properly resolve mocked node modules without package.json
  defined ([#&#8203;6232](`https://github.com/facebook/jest/pull/6232`))
##### Chore & Maintenance

* `[jest-runner]` Move sourcemap installation from `jest-jasmine2` to
  `jest-runner` ([#&#8203;6176](`https://github.com/facebook/jest/pull/6176`))
* `[jest-cli]` Use yargs's built-in `version` instead of rolling our own
  ([#&#8203;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
  ([#&#8203;5885](`https://github.com/facebook/jest/pull/5885`))
* `[babel-jest]` [**BREAKING**] Always return object from transformer
  ([#&#8203;5991](`https://github.com/facebook/jest/pull/5991`))
* `[*]` Run Prettier on compiled output
  ([#&#8203;5858](`https://github.com/facebook/jest/pull/3497`))
* `[jest-cli]` Add fileChange hook for plugins
  ([#&#8203;5708](`https://github.com/facebook/jest/pull/5708`))
* `[docs]` Add docs on using `jest.mock(...)`
  ([#&#8203;5648](`https://github.com/facebook/jest/pull/5648`))
* `[docs]` Mention Jest Puppeteer Preset
  ([#&#8203;5722](`https://github.com/facebook/jest/pull/5722`))
* `[docs]` Add jest-community section to website
  ([#&#8203;5675](`https://github.com/facebook/jest/pull/5675`))
* `[docs]` Add versioned docs for v22.4
  ([##&#8203;5733](https://github.com/facebook/jest/pull/#&#8203;5733))
* `[docs]` Improve Snapshot Testing Guide
  ([#&#8203;5812](`https://github.com/facebook/jest/issues/5812`))
* `[jest-runtime]` [**BREAKING**] Remove `jest.genMockFn` and
  `jest.genMockFunction` ([#&#8203;6173](`https://github.com/facebook/jest/pull/6173`))
* `[jest-message-util]` Avoid adding unnecessary indent to blank lines in stack
  traces ([#&#8203;6211](`https://github.com/facebook/jest/pull/6211`))

---

</details>




---

This PR has been generated by [Renovate Bot](https://renovatebot.com).
wopian referenced this issue in wopian/kitsu May 25, 2018
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#&#8203;2300)
[Compare Source](jestjs/jest@2745e3e...v23.0.0)
##### Features

* `[expect]` Expose `getObjectSubset`, `iterableEquality`, and `subsetEquality`
  ([#&#8203;6210](`https://github.com/facebook/jest/pull/6210`))
* `[jest-snapshot]` Add snapshot property matchers
  ([#&#8203;6210](`https://github.com/facebook/jest/pull/6210`))
* `[jest-config]` Support jest-preset.js files within Node modules
  ([#&#8203;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.
  ([#&#8203;6130](`https://github.com/facebook/jest/pull/6130`))
* `[jest-jasmine2]` Add data driven testing based on `jest-each`
  ([#&#8203;6102](`https://github.com/facebook/jest/pull/6102`))
* `[jest-matcher-utils]` Change "suggest to equal" message to be more advisory
  ([#&#8203;6103](`https://github.com/facebook/jest/issues/6103`))
* `[jest-message-util]` Don't ignore messages with `vendor` anymore
  ([#&#8203;6117](`https://github.com/facebook/jest/pull/6117`))
* `[jest-validate]` Get rid of `jest-config` dependency
  ([#&#8203;6067](`https://github.com/facebook/jest/pull/6067`))
* `[jest-validate]` Adds option to inject `deprecationEntries`
  ([#&#8203;6067](`https://github.com/facebook/jest/pull/6067`))
* `[jest-snapshot]` [**BREAKING**] Concatenate name of test, optional snapshot
  name and count ([#&#8203;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.
  ([#&#8203;5999](`https://github.com/facebook/jest/pull/5999`))
* `[expect]` Add stack trace for async errors
  ([#&#8203;6008](`https://github.com/facebook/jest/pull/6008`))
* `[jest-jasmine2]` Add stack trace for timeouts
  ([#&#8203;6008](`https://github.com/facebook/jest/pull/6008`))
* `[jest-jasmine2]` Add stack trace for thrown non-`Error`s
  ([#&#8203;6008](`https://github.com/facebook/jest/pull/6008`))
* `[jest-runtime]` Prevent modules from marking themselves as their own parent
  ([#&#8203;5235](`https://github.com/facebook/jest/issues/5235`))
* `[jest-mock]` Add support for auto-mocking generator functions
  ([#&#8203;5983](`https://github.com/facebook/jest/pull/5983`))
* `[expect]` Add support for async matchers
   ([#&#8203;5919](`https://github.com/facebook/jest/pull/5919`))
* `[expect]` Suggest toContainEqual
  ([#&#8203;5948](`https://github.com/facebook/jest/pull/5953`))
* `[jest-config]` Export Jest's default options
  ([#&#8203;5948](`https://github.com/facebook/jest/pull/5948`))
* `[jest-editor-support]` Move `coverage` to `ProjectWorkspace.collectCoverage`
  ([#&#8203;5929](`https://github.com/facebook/jest/pull/5929`))
* `[jest-editor-support]` Add `coverage` option to runner
  ([#&#8203;5836](`https://github.com/facebook/jest/pull/5836`))
* `[jest-haste-map]` Support extracting dynamic `import`s
  ([#&#8203;5883](`https://github.com/facebook/jest/pull/5883`))
* `[expect]` Improve output format for mismatchedArgs in mock/spy calls.
  ([#&#8203;5846](`https://github.com/facebook/jest/pull/5846`))
* `[jest-cli]` Add support for using `--coverage` in combination with watch
  mode, `--onlyChanged`, `--findRelatedTests` and more
  ([#&#8203;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
  ([#&#8203;5558](`https://github.com/facebook/jest/pull/5558`))
* `[jest-matcher-utils]` Add `isNot` option to `matcherHint` function
  ([#&#8203;5512](`https://github.com/facebook/jest/pull/5512`))
* `[jest-config]` Add `<rootDir>` to runtime files not found error report
  ([#&#8203;5693](`https://github.com/facebook/jest/pull/5693`))
* `[expect]` Make toThrow matcher pass only if Error object is returned from
  promises ([#&#8203;5670](`https://github.com/facebook/jest/pull/5670`))
* `[expect]` Add isError to utils
  ([#&#8203;5670](`https://github.com/facebook/jest/pull/5670`))
* `[expect]` Add inverse matchers (`expect.not.arrayContaining`, etc.,
  [#&#8203;5517](`https://github.com/facebook/jest/pull/5517`))
* `[expect]` `expect.extend` now also extends asymmetric matchers
  ([#&#8203;5503](`https://github.com/facebook/jest/pull/5503`))
* `[jest-mock]` Update `spyOnProperty` to support spying on the prototype chain
  ([#&#8203;5753](`https://github.com/facebook/jest/pull/5753`))
* `[jest-mock]` Add tracking of return values in the `mock` property
  ([#&#8203;5752](`https://github.com/facebook/jest/pull/5752`))
* `[jest-mock]` Add tracking of thrown errors in the `mock` property
  ([#&#8203;5764](`https://github.com/facebook/jest/pull/5764`))
* `[expect]`Add nthCalledWith spy matcher
  ([#&#8203;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
  ([#&#8203;5706](`https://github.com/facebook/jest/pull/5706`))
* `[expect]` Add `.toBeCalledTimes` and `toHaveBeenNthCalledWith` aliases
  ([#&#8203;5826](`https://github.com/facebook/jest/pull/5826`))
* `[jest-cli]` Interactive Snapshot Mode improvements
  ([#&#8203;5864](`https://github.com/facebook/jest/pull/5864`))
* `[jest-editor-support]` Add `no-color` option to runner
  ([#&#8203;5909](`https://github.com/facebook/jest/pull/5909`))
* `[jest-jasmine2]` Pretty-print non-Error object errors
  ([#&#8203;5980](`https://github.com/facebook/jest/pull/5980`))
* `[jest-message-util]` Include column in stack frames
  ([#&#8203;5889](`https://github.com/facebook/jest/pull/5889`))
* `[expect]` Introduce toStrictEqual
  ([#&#8203;6032](`https://github.com/facebook/jest/pull/6032`))
* `[expect]` Add return matchers
  ([#&#8203;5879](`https://github.com/facebook/jest/pull/5879`))
* `[jest-cli]` Improve snapshot summaries
  ([#&#8203;6181](`https://github.com/facebook/jest/pull/6181`))
* `[expect]` Include custom mock names in error messages
  ([#&#8203;6199](`https://github.com/facebook/jest/pull/6199`))
* `[jest-diff]` Support returning diff from oneline strings
  ([#&#8203;6221](`https://github.com/facebook/jest/pull/6221`))
* `[expect]` Improve return matchers
  ([#&#8203;6172](`https://github.com/facebook/jest/pull/6172`))
* `[jest-cli]` Overhaul watch plugin hooks names
  ([#&#8203;6249](`https://github.com/facebook/jest/pull/6249`))
* `[jest-mock]` Include tracked call results in serialized mock
  ([#&#8203;6244](`https://github.com/facebook/jest/pull/6244`))
##### Fixes

* `[jest-cli]` Fix stdin encoding to utf8 for watch plugins.
  ([#&#8203;6253](`https://github.com/facebook/jest/issues/6253`))
* `[expect]` Better detection of DOM Nodes for equality
  ([#&#8203;6246](`https://github.com/facebook/jest/pull/6246`))
* `[jest-cli]` Fix misleading action description for F key when in "only failed
  tests" mode. ([#&#8203;6167](`https://github.com/facebook/jest/issues/6167`))
* `[jest-worker]` Stick calls to workers before processing them
  ([#&#8203;6073](`https://github.com/facebook/jest/pull/6073`))
* `[babel-plugin-jest-hoist]` Allow using `console` global variable
  ([#&#8203;6075](`https://github.com/facebook/jest/pull/6075`))
* `[jest-jasmine2]` Always remove node core message from assert stack traces
  ([#&#8203;6055](`https://github.com/facebook/jest/pull/6055`))
* `[expect]` Add stack trace when `expect.assertions` and `expect.hasAssertions`
  causes test failures. ([#&#8203;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
  ([#&#8203;5888](`https://github.com/facebook/jest/pull/5888`))
* `[jest-mock]` [**BREAKING**] Replace timestamps with `invocationCallOrder`
  ([#&#8203;5867](`https://github.com/facebook/jest/pull/5867`))
* `[jest-jasmine2]` Install `sourcemap-support` into normal runtime to catch
  runtime errors ([#&#8203;5945](`https://github.com/facebook/jest/pull/5945`))
* `[jest-jasmine2]` Added assertion error handling inside `afterAll hook`
  ([#&#8203;5884](`https://github.com/facebook/jest/pull/5884`))
* `[jest-cli]` Remove the notifier actions in case of failure when not in watch
  mode. ([#&#8203;5861](`https://github.com/facebook/jest/pull/5861`))
* `[jest-mock]` Extend .toHaveBeenCalled return message with outcome
  ([#&#8203;5951](`https://github.com/facebook/jest/pull/5951`))
* `[jest-runner]` Assign `process.env.JEST_WORKER_ID="1"` when in runInBand mode
  ([#&#8203;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.
  ([#&#8203;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
  ([#&#8203;5729](`https://github.com/facebook/jest/pull/5729`))
* `[jest-resolve]` Update node module resolution algorithm to correctly handle
  symlinked paths ([#&#8203;5085](`https://github.com/facebook/jest/pull/5085`))
* `[jest-editor-support]` Update `Settings` to use spawn in shell option
  ([#&#8203;5658](`https://github.com/facebook/jest/pull/5658`))
* `[jest-cli]` Improve the error message when 2 projects resolve to the same
  config ([#&#8203;5674](`https://github.com/facebook/jest/pull/5674`))
* `[jest-runtime]` remove retainLines from coverage instrumentation
  ([#&#8203;5692](`https://github.com/facebook/jest/pull/5692`))
* `[jest-cli]` Fix update snapshot issue when using watchAll
  ([#&#8203;5696](`https://github.com/facebook/jest/pull/5696`))
* `[expect]` Fix rejects.not matcher
  ([#&#8203;5670](`https://github.com/facebook/jest/pull/5670`))
* `[jest-runtime]` Prevent Babel warnings on large files
  ([#&#8203;5702](`https://github.com/facebook/jest/pull/5702`))
* `[jest-mock]` Prevent `mockRejectedValue` from causing unhandled rejection
  ([#&#8203;5720](`https://github.com/facebook/jest/pull/5720`))
* `[pretty-format]` Handle React fragments better
  ([#&#8203;5816](`https://github.com/facebook/jest/pull/5816`))
* `[pretty-format]` Handle formatting of `React.forwardRef` and `Context`
  components ([#&#8203;6093](`https://github.com/facebook/jest/pull/6093`))
* `[jest-cli]` Switch collectCoverageFrom back to a string
  ([#&#8203;5914](`https://github.com/facebook/jest/pull/5914`))
* `[jest-regex-util]` Fix handling regex symbols in tests path on Windows
  ([#&#8203;5941](`https://github.com/facebook/jest/pull/5941`))
* `[jest-util]` Fix handling of NaN/Infinity in mock timer delay
  ([#&#8203;5966](`https://github.com/facebook/jest/pull/5966`))
* `[jest-resolve]` Generalise test for package main entries equivalent to ".".
  ([#&#8203;5968](`https://github.com/facebook/jest/pull/5968`))
* `[jest-config]` Ensure that custom resolvers are used when resolving the
  configuration ([#&#8203;5976](`https://github.com/facebook/jest/pull/5976`))
* `[website]` Fix website docs
  ([#&#8203;5853](`https://github.com/facebook/jest/pull/5853`))
* `[expect]` Fix isEqual Set and Map to compare object values and keys
  regardless of order ([#&#8203;6150](`https://github.com/facebook/jest/pull/6150`))
* `[pretty-format]` [**BREAKING**] Remove undefined props from React elements
  ([#&#8203;6162](`https://github.com/facebook/jest/pull/6162`))
* `[jest-haste-map]` Properly resolve mocked node modules without package.json
  defined ([#&#8203;6232](`https://github.com/facebook/jest/pull/6232`))
##### Chore & Maintenance

* `[jest-runner]` Move sourcemap installation from `jest-jasmine2` to
  `jest-runner` ([#&#8203;6176](`https://github.com/facebook/jest/pull/6176`))
* `[jest-cli]` Use yargs's built-in `version` instead of rolling our own
  ([#&#8203;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
  ([#&#8203;5885](`https://github.com/facebook/jest/pull/5885`))
* `[babel-jest]` [**BREAKING**] Always return object from transformer
  ([#&#8203;5991](`https://github.com/facebook/jest/pull/5991`))
* `[*]` Run Prettier on compiled output
  ([#&#8203;5858](`https://github.com/facebook/jest/pull/3497`))
* `[jest-cli]` Add fileChange hook for plugins
  ([#&#8203;5708](`https://github.com/facebook/jest/pull/5708`))
* `[docs]` Add docs on using `jest.mock(...)`
  ([#&#8203;5648](`https://github.com/facebook/jest/pull/5648`))
* `[docs]` Mention Jest Puppeteer Preset
  ([#&#8203;5722](`https://github.com/facebook/jest/pull/5722`))
* `[docs]` Add jest-community section to website
  ([#&#8203;5675](`https://github.com/facebook/jest/pull/5675`))
* `[docs]` Add versioned docs for v22.4
  ([##&#8203;5733](https://github.com/facebook/jest/pull/#&#8203;5733))
* `[docs]` Improve Snapshot Testing Guide
  ([#&#8203;5812](`https://github.com/facebook/jest/issues/5812`))
* `[jest-runtime]` [**BREAKING**] Remove `jest.genMockFn` and
  `jest.genMockFunction` ([#&#8203;6173](`https://github.com/facebook/jest/pull/6173`))
* `[jest-message-util]` Avoid adding unnecessary indent to blank lines in stack
  traces ([#&#8203;6211](`https://github.com/facebook/jest/pull/6211`))

---

</details>




---

This PR has been generated by [Renovate Bot](https://renovatebot.com).
calebeby referenced this issue in Pigmice2733/scouting-frontend May 30, 2018
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#&#8203;2301)
[Compare Source](jestjs/jest@v23.0.0...3a3b4e3)
##### Chore & Maintenance

* `[jest-jasemine2]` Add dependency on jest-each ([#&#8203;6308](`https://github.com/facebook/jest/pull/6308`))
* `[jest-each]` Move jest-each into core Jest ([#&#8203;6278](`https://github.com/facebook/jest/pull/6278`))
* `[examples]` Update typescript example to using ts-jest ([#&#8203;6260](`https://github.com/facebook/jest/pull/6260`))
##### Fixes

* `[pretty-format]` Serialize inverse asymmetric matchers correctly ([#&#8203;6272](`https://github.com/facebook/jest/pull/6272`))

---

### [`v23.0.0`](https://github.com/facebook/jest/blob/master/CHANGELOG.md#&#8203;2300)
[Compare Source](jestjs/jest@2745e3e...v23.0.0)
##### Features

* `[expect]` Expose `getObjectSubset`, `iterableEquality`, and `subsetEquality` ([#&#8203;6210](`https://github.com/facebook/jest/pull/6210`))
* `[jest-snapshot]` Add snapshot property matchers ([#&#8203;6210](`https://github.com/facebook/jest/pull/6210`))
* `[jest-config]` Support jest-preset.js files within Node modules ([#&#8203;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. ([#&#8203;6130](`https://github.com/facebook/jest/pull/6130`))
* `[jest-jasmine2]` Add data driven testing based on `jest-each` ([#&#8203;6102](`https://github.com/facebook/jest/pull/6102`))
* `[jest-matcher-utils]` Change "suggest to equal" message to be more advisory ([#&#8203;6103](`https://github.com/facebook/jest/issues/6103`))
* `[jest-message-util]` Don't ignore messages with `vendor` anymore ([#&#8203;6117](`https://github.com/facebook/jest/pull/6117`))
* `[jest-validate]` Get rid of `jest-config` dependency ([#&#8203;6067](`https://github.com/facebook/jest/pull/6067`))
* `[jest-validate]` Adds option to inject `deprecationEntries` ([#&#8203;6067](`https://github.com/facebook/jest/pull/6067`))
* `[jest-snapshot]` [**BREAKING**] Concatenate name of test, optional snapshot name and count ([#&#8203;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. ([#&#8203;5999](`https://github.com/facebook/jest/pull/5999`))
* `[expect]` Add stack trace for async errors ([#&#8203;6008](`https://github.com/facebook/jest/pull/6008`))
* `[jest-jasmine2]` Add stack trace for timeouts ([#&#8203;6008](`https://github.com/facebook/jest/pull/6008`))
* `[jest-jasmine2]` Add stack trace for thrown non-`Error`s ([#&#8203;6008](`https://github.com/facebook/jest/pull/6008`))
* `[jest-runtime]` Prevent modules from marking themselves as their own parent ([#&#8203;5235](`https://github.com/facebook/jest/issues/5235`))
* `[jest-mock]` Add support for auto-mocking generator functions ([#&#8203;5983](`https://github.com/facebook/jest/pull/5983`))
* `[expect]` Add support for async matchers  ([#&#8203;5919](`https://github.com/facebook/jest/pull/5919`))
* `[expect]` Suggest toContainEqual ([#&#8203;5948](`https://github.com/facebook/jest/pull/5953`))
* `[jest-config]` Export Jest's default options ([#&#8203;5948](`https://github.com/facebook/jest/pull/5948`))
* `[jest-editor-support]` Move `coverage` to `ProjectWorkspace.collectCoverage` ([#&#8203;5929](`https://github.com/facebook/jest/pull/5929`))
* `[jest-editor-support]` Add `coverage` option to runner ([#&#8203;5836](`https://github.com/facebook/jest/pull/5836`))
* `[jest-haste-map]` Support extracting dynamic `import`s ([#&#8203;5883](`https://github.com/facebook/jest/pull/5883`))
* `[expect]` Improve output format for mismatchedArgs in mock/spy calls. ([#&#8203;5846](`https://github.com/facebook/jest/pull/5846`))
* `[jest-cli]` Add support for using `--coverage` in combination with watch mode, `--onlyChanged`, `--findRelatedTests` and more ([#&#8203;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 ([#&#8203;5558](`https://github.com/facebook/jest/pull/5558`))
* `[jest-matcher-utils]` Add `isNot` option to `matcherHint` function ([#&#8203;5512](`https://github.com/facebook/jest/pull/5512`))
* `[jest-config]` Add `<rootDir>` to runtime files not found error report ([#&#8203;5693](`https://github.com/facebook/jest/pull/5693`))
* `[expect]` Make toThrow matcher pass only if Error object is returned from promises ([#&#8203;5670](`https://github.com/facebook/jest/pull/5670`))
* `[expect]` Add isError to utils ([#&#8203;5670](`https://github.com/facebook/jest/pull/5670`))
* `[expect]` Add inverse matchers (`expect.not.arrayContaining`, etc., [#&#8203;5517](`https://github.com/facebook/jest/pull/5517`))
* `[expect]` `expect.extend` now also extends asymmetric matchers ([#&#8203;5503](`https://github.com/facebook/jest/pull/5503`))
* `[jest-mock]` Update `spyOnProperty` to support spying on the prototype chain ([#&#8203;5753](`https://github.com/facebook/jest/pull/5753`))
* `[jest-mock]` Add tracking of return values in the `mock` property ([#&#8203;5752](`https://github.com/facebook/jest/pull/5752`))
* `[jest-mock]` Add tracking of thrown errors in the `mock` property ([#&#8203;5764](`https://github.com/facebook/jest/pull/5764`))
* `[expect]`Add nthCalledWith spy matcher ([#&#8203;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 ([#&#8203;5706](`https://github.com/facebook/jest/pull/5706`))
* `[expect]` Add `.toBeCalledTimes` and `toHaveBeenNthCalledWith` aliases ([#&#8203;5826](`https://github.com/facebook/jest/pull/5826`))
* `[jest-cli]` Interactive Snapshot Mode improvements ([#&#8203;5864](`https://github.com/facebook/jest/pull/5864`))
* `[jest-editor-support]` Add `no-color` option to runner ([#&#8203;5909](`https://github.com/facebook/jest/pull/5909`))
* `[jest-jasmine2]` Pretty-print non-Error object errors ([#&#8203;5980](`https://github.com/facebook/jest/pull/5980`))
* `[jest-message-util]` Include column in stack frames ([#&#8203;5889](`https://github.com/facebook/jest/pull/5889`))
* `[expect]` Introduce toStrictEqual ([#&#8203;6032](`https://github.com/facebook/jest/pull/6032`))
* `[expect]` Add return matchers ([#&#8203;5879](`https://github.com/facebook/jest/pull/5879`))
* `[jest-cli]` Improve snapshot summaries ([#&#8203;6181](`https://github.com/facebook/jest/pull/6181`))
* `[expect]` Include custom mock names in error messages ([#&#8203;6199](`https://github.com/facebook/jest/pull/6199`))
* `[jest-diff]` Support returning diff from oneline strings ([#&#8203;6221](`https://github.com/facebook/jest/pull/6221`))
* `[expect]` Improve return matchers ([#&#8203;6172](`https://github.com/facebook/jest/pull/6172`))
* `[jest-cli]` Overhaul watch plugin hooks names ([#&#8203;6249](`https://github.com/facebook/jest/pull/6249`))
* `[jest-mock]` Include tracked call results in serialized mock ([#&#8203;6244](`https://github.com/facebook/jest/pull/6244`))
##### Fixes

* `[jest-cli]` Fix stdin encoding to utf8 for watch plugins. ([#&#8203;6253](`https://github.com/facebook/jest/issues/6253`))
* `[expect]` Better detection of DOM Nodes for equality ([#&#8203;6246](`https://github.com/facebook/jest/pull/6246`))
* `[jest-cli]` Fix misleading action description for F key when in "only failed tests" mode. ([#&#8203;6167](`https://github.com/facebook/jest/issues/6167`))
* `[jest-worker]` Stick calls to workers before processing them ([#&#8203;6073](`https://github.com/facebook/jest/pull/6073`))
* `[babel-plugin-jest-hoist]` Allow using `console` global variable ([#&#8203;6075](`https://github.com/facebook/jest/pull/6075`))
* `[jest-jasmine2]` Always remove node core message from assert stack traces ([#&#8203;6055](`https://github.com/facebook/jest/pull/6055`))
* `[expect]` Add stack trace when `expect.assertions` and `expect.hasAssertions` causes test failures. ([#&#8203;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 ([#&#8203;5888](`https://github.com/facebook/jest/pull/5888`))
* `[jest-mock]` [**BREAKING**] Replace timestamps with `invocationCallOrder` ([#&#8203;5867](`https://github.com/facebook/jest/pull/5867`))
* `[jest-jasmine2]` Install `sourcemap-support` into normal runtime to catch runtime errors ([#&#8203;5945](`https://github.com/facebook/jest/pull/5945`))
* `[jest-jasmine2]` Added assertion error handling inside `afterAll hook` ([#&#8203;5884](`https://github.com/facebook/jest/pull/5884`))
* `[jest-cli]` Remove the notifier actions in case of failure when not in watch mode. ([#&#8203;5861](`https://github.com/facebook/jest/pull/5861`))
* `[jest-mock]` Extend .toHaveBeenCalled return message with outcome ([#&#8203;5951](`https://github.com/facebook/jest/pull/5951`))
* `[jest-runner]` Assign `process.env.JEST_WORKER_ID="1"` when in runInBand mode ([#&#8203;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. ([#&#8203;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 ([#&#8203;5729](`https://github.com/facebook/jest/pull/5729`))
* `[jest-resolve]` Update node module resolution algorithm to correctly handle symlinked paths ([#&#8203;5085](`https://github.com/facebook/jest/pull/5085`))
* `[jest-editor-support]` Update `Settings` to use spawn in shell option ([#&#8203;5658](`https://github.com/facebook/jest/pull/5658`))
* `[jest-cli]` Improve the error message when 2 projects resolve to the same config ([#&#8203;5674](`https://github.com/facebook/jest/pull/5674`))
* `[jest-runtime]` remove retainLines from coverage instrumentation ([#&#8203;5692](`https://github.com/facebook/jest/pull/5692`))
* `[jest-cli]` Fix update snapshot issue when using watchAll ([#&#8203;5696](`https://github.com/facebook/jest/pull/5696`))
* `[expect]` Fix rejects.not matcher ([#&#8203;5670](`https://github.com/facebook/jest/pull/5670`))
* `[jest-runtime]` Prevent Babel warnings on large files ([#&#8203;5702](`https://github.com/facebook/jest/pull/5702`))
* `[jest-mock]` Prevent `mockRejectedValue` from causing unhandled rejection ([#&#8203;5720](`https://github.com/facebook/jest/pull/5720`))
* `[pretty-format]` Handle React fragments better ([#&#8203;5816](`https://github.com/facebook/jest/pull/5816`))
* `[pretty-format]` Handle formatting of `React.forwardRef` and `Context` components ([#&#8203;6093](`https://github.com/facebook/jest/pull/6093`))
* `[jest-cli]` Switch collectCoverageFrom back to a string ([#&#8203;5914](`https://github.com/facebook/jest/pull/5914`))
* `[jest-regex-util]` Fix handling regex symbols in tests path on Windows ([#&#8203;5941](`https://github.com/facebook/jest/pull/5941`))
* `[jest-util]` Fix handling of NaN/Infinity in mock timer delay ([#&#8203;5966](`https://github.com/facebook/jest/pull/5966`))
* `[jest-resolve]` Generalise test for package main entries equivalent to ".". ([#&#8203;5968](`https://github.com/facebook/jest/pull/5968`))
* `[jest-config]` Ensure that custom resolvers are used when resolving the configuration ([#&#8203;5976](`https://github.com/facebook/jest/pull/5976`))
* `[website]` Fix website docs ([#&#8203;5853](`https://github.com/facebook/jest/pull/5853`))
* `[expect]` Fix isEqual Set and Map to compare object values and keys regardless of order ([#&#8203;6150](`https://github.com/facebook/jest/pull/6150`))
* `[pretty-format]` [**BREAKING**] Remove undefined props from React elements ([#&#8203;6162](`https://github.com/facebook/jest/pull/6162`))
* `[jest-haste-map]` Properly resolve mocked node modules without package.json defined ([#&#8203;6232](`https://github.com/facebook/jest/pull/6232`))
##### Chore & Maintenance

* `[jest-runner]` Move sourcemap installation from `jest-jasmine2` to `jest-runner` ([#&#8203;6176](`https://github.com/facebook/jest/pull/6176`))
* `[jest-cli]` Use yargs's built-in `version` instead of rolling our own ([#&#8203;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 ([#&#8203;5885](`https://github.com/facebook/jest/pull/5885`))
* `[babel-jest]` [**BREAKING**] Always return object from transformer ([#&#8203;5991](`https://github.com/facebook/jest/pull/5991`))
* `[*]` Run Prettier on compiled output ([#&#8203;5858](`https://github.com/facebook/jest/pull/3497`))
* `[jest-cli]` Add fileChange hook for plugins ([#&#8203;5708](`https://github.com/facebook/jest/pull/5708`))
* `[docs]` Add docs on using `jest.mock(...)` ([#&#8203;5648](`https://github.com/facebook/jest/pull/5648`))
* `[docs]` Mention Jest Puppeteer Preset ([#&#8203;5722](`https://github.com/facebook/jest/pull/5722`))
* `[docs]` Add jest-community section to website ([#&#8203;5675](`https://github.com/facebook/jest/pull/5675`))
* `[docs]` Add versioned docs for v22.4 ([#&#8203;5733](`https://github.com/facebook/jest/pull/5733`))
* `[docs]` Improve Snapshot Testing Guide ([#&#8203;5812](`https://github.com/facebook/jest/issues/5812`))
* `[jest-runtime]` [**BREAKING**] Remove `jest.genMockFn` and `jest.genMockFunction` ([#&#8203;6173](`https://github.com/facebook/jest/pull/6173`))
* `[jest-message-util]` Avoid adding unnecessary indent to blank lines in stack traces ([#&#8203;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>




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