Skip to content

Unit Tests: Reorganise the jest config file. #80940

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Merged
manzoorwanijk merged 5 commits into from
Jul 31, 2026
+43 −9
Merged

Unit Tests: Reorganise the jest config file. #80940

Changes from all commits
Commits
Show all changes
5 commits
Select commit Hold shift + click to select a range
38491fd
Fix the hard-coded resolution of @ariakit/test
manzoorwanijk Jul 30, 2026
3179eb9
Organize module name mapper to have specific mappings first
manzoorwanijk Jul 30, 2026
974ce53
Explicitly set jsdom as jest test environment for isolated mode
manzoorwanijk Jul 30, 2026
cf91b43
Extract the transformed deps list to an array
manzoorwanijk Jul 30, 2026
cf04a3a
Use the already computed path for root dir
manzoorwanijk Jul 30, 2026
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
52 changes: 43 additions & 9 deletions test/unit/jest.config.js
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -21,19 +21,48 @@ const transpiledPackageNames = glob(
return relative.split( path.sep )[ 1 ];
} );

const dependenciesToTransform = [
'@ariakit/test',
'@ariakit/utils',
'@preact',
'comctx',
'docker-compose',
'marked',
'parsel-js',
'preact',
'uuid',
'yaml',
];

// Make sure the tests run in UTC timezone, regardless of the system timezone.
process.env.TZ = 'UTC';

/*
* Resolved rather than hardcoded to `<rootDir>/node_modules`,
* which is empty under non-hoisting installs.
*/
const ariakitTestDir = path.dirname(
require.resolve( '@ariakit/test/package.json', {
paths: [ path.join( ROOT_DIR, 'packages/components' ) ],
} )
);
const ariakitUtilsDir = path.dirname(
require.resolve( '@ariakit/utils/package.json', {
paths: [ ariakitTestDir ],
} )
);

module.exports = {
rootDir: '../../',
rootDir: ROOT_DIR,
moduleNameMapper: {
/**
* Specific mappings first (before generic patterns)
*/
// Jest resolves dependencies from CommonJS and cannot select import-only
// package exports. Map Ariakit's ESM test helpers explicitly.
'^@ariakit/test$': '<rootDir>/node_modules/@ariakit/test/dist/index.js',
'^@ariakit/test/react$':
'<rootDir>/node_modules/@ariakit/test/dist/react.js',
'^@ariakit/utils$':
'<rootDir>/node_modules/@ariakit/utils/dist/index.js',
'^@ariakit/test$': path.join( ariakitTestDir, 'dist/index.js' ),
'^@ariakit/test/react$': path.join( ariakitTestDir, 'dist/react.js' ),
'^@ariakit/utils$': path.join( ariakitUtilsDir, 'dist/index.js' ),
// Mock @wordpress/vips/worker before the general pattern so it doesn't try to load the real file.
// The worker-code.ts file is auto-generated during full builds and is gitignored.
'@wordpress/vips/worker':
Expand All @@ -42,15 +71,20 @@ module.exports = {
// The worker-code.ts file is auto-generated during full builds and is gitignored.
'@wordpress/video-conversion/worker':
'<rootDir>/test/unit/config/video-conversion-worker-code-stub.js',
[ `@wordpress\\/(${ transpiledPackageNames.join( '|' ) })$` ]:
'packages/$1/src',
'@wordpress/theme/design-tokens.js':
'<rootDir>/packages/theme/prebuilt/js/design-tokens.mjs',
'@wordpress/block-library/build-module/(.*).mjs':
'<rootDir>/packages/block-library/src/$1.js',
'.+\\.wasm$': '<rootDir>/test/unit/config/wasm-stub.js',
// Map deep paths (e.g., @wordpress/block-editor/src/hooks/list-view)
[ `@wordpress\\/(${ transpiledPackageNames.join( '|' ) })\\/(.+)$` ]:
'packages/$1/$2',
// Then map exact package imports (e.g., @wordpress/compose)
[ `@wordpress\\/(${ transpiledPackageNames.join( '|' ) })$` ]:
'packages/$1/src',
},
preset: require.resolve( '@wordpress/jest-preset-default' ),
testEnvironment: require.resolve( 'jest-environment-jsdom' ),
setupFiles: [
'<rootDir>/test/unit/config/global-mocks.js',
'<rootDir>/test/unit/config/gutenberg-env.js',
Expand Down Expand Up @@ -78,7 +112,7 @@ module.exports = {
'^.+\\.m?[jt]sx?$': '<rootDir>/test/unit/scripts/babel-transformer.js',
},
transformIgnorePatterns: [
'/node_modules/(?!(docker-compose|yaml|preact|@preact|parsel-js|comctx|uuid|marked|@ariakit/(test|utils))/)',
`/node_modules/(?!(${ dependenciesToTransform.join( '|' ) })/)`,
'\\.pnp\\.[^\\/]+$',
],
snapshotSerializers: [
Expand Down
Loading