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jest-matcher-utils

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jest-matcher-utils

A set of utility functions for expect and related packages

    29.5.0latest
    GitHub
    npm

Version published
Maintainers
6
Weekly downloads
32,936,047
increased by8.79%

Weekly downloads

Changelog

Source

29.5.0

Features

  • [jest-changed-files] Support Sapling (#13941)
  • [jest-circus, @jest/cli, jest-config] Add feature to randomize order of tests via CLI flag or through the config file(#12922)
  • [jest-cli, jest-config, @jest/core, jest-haste-map, @jest/reporters, jest-runner, jest-runtime, @jest/types] Add workerThreads configuration option to allow using worker threads for parallelization (#13939)
  • [jest-cli] Export yargsOptions (#13970)
  • [jest-config] Add openHandlesTimeout option to configure possible open handles warning. (#13875)
  • [@jest/create-cache-key-function] Allow passing length argument to createCacheKey() function and set its default value to 16 on Windows (#13827)
  • [jest-message-util] Add support for AggregateError (#13946 & #13947)
  • [jest-message-util] Add support for Error causes in test and it (#13935 & #13966)
  • [jest-reporters] Add summaryThreshold option to summary reporter to allow overriding the internal threshold that is used to print the summary of all failed tests when the number of test suites surpasses it (#13895)
  • [jest-runtime] Expose @sinonjs/fake-timers async APIs functions advanceTimersByTimeAsync(msToRun) (tickAsync(msToRun)), advanceTimersToNextTimerAsync(steps) (nextAsync), runAllTimersAsync (runAllAsync), and runOnlyPendingTimersAsync (runToLastAsync) (#13981)
  • [jest-runtime, @jest/transform] Allow V8 coverage provider to collect coverage from files which were not loaded explicitly (#13974)
  • [jest-snapshot] Add support to cts and mts TypeScript files to inline snapshots (#13975)
  • [jest-worker] Add start method to worker farms (#13937)
  • [jest-worker] Support passing a URL as path to worker (#13982)

Fixes

  • [babel-plugin-jest-hoist] Fix unwanted hoisting of nested jest usages (#13952)
  • [jest-circus] Send test case results for todo tests (#13915)
  • [jest-circus] Update message printed on test timeout (#13830)
  • [jest-circus] Avoid creating the word "testfalse" when takesDoneCallback is false in the message printed on test timeout AND updated timeouts test (#13954)
  • [jest-environment-jsdom] Stop setting document to null on teardown (#13972)
  • [@jest/expect-utils] Update toStrictEqual() to be able to check jest.fn().mock.calls (#13960)
  • [@jest/test-result] Allow TestResultsProcessor type to return a Promise (#13950)

Chore & Maintenance

  • [jest-snapshot] Remove dependency on jest-haste-map (#13977)

Readme

Source

jest-matcher-utils

This package's exports are most notably used by expect's this.utils.

Installation

To add this package as a dependency of a project, run either of the following commands:

  • npm install jest-matcher-utils
  • yarn add jest-matcher-utils

Exports (src/index.ts)

Functions

stringify highlightTrailingWhitespace printReceived printExpected printWithType ensureNoExpected ensureActualIsNumber ensureExpectedIsNumber ensureNumbers ensureExpectedIsNonNegativeInteger printDiffOrStringify diff pluralize getLabelPrinter matcherErrorMessage matcherHint

Types

MatcherHintOptions DiffOptions

Constants

EXPECTED_COLOR RECEIVED_COLOR INVERTED_COLOR BOLD_WEIGHT DIM_COLOR SUGGEST_TO_CONTAIN_EQUAL

FAQs

Last updated on 06 Mar 2023

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