jest-util

Features

• jest-each: Add pretty-format serialising to each titles

• jest-cli: shouldRunTestSuite watch hook now receives an object with config, testPath and duration

• jest-each: Support one dimensional array of data

• jest-watch: Create new package jest-watch to ease custom watch plugin development

• jest-circus: Make hooks in empty describe blocks error

• Add a config/CLI option errorOnDeprecated which makes calling deprecated APIs throw hepful error messages

Fixes

• jest-each: Fix pluralising missing arguments error

• jest-each: Stop test title concatenating extra args

• expect: toHaveBeenNthCalledWith/nthCalledWith gives wrong call messages if not matched

• jest-each: Make sure invalid arguments to each points back to the user's code

• expect: toMatchObject throws TypeError when a source property is null

• jest-cli: Normalize slashes in paths in CLI output on Windows

• jest-cli: Fix run beforeAll in excluded suites tests" mode.

• [jest-haste-map] Compute SHA-1s for non-tracked files when using Node crawler