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refactor(jest): use babel instead of v8 coverage provider
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jestjs/jest#11188
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@yqrashawn
yqrashawn committed Apr 8, 2021
1 parent 96108b8 commit 55c1133
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5 changes: 1 addition & 4 deletions babel.config.json
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@@ -1,6 +1,3 @@
{
"plugins": [
"@babel/plugin-proposal-class-properties",
"@babel/plugin-proposal-private-methods"
]
"presets": ["@babel/preset-env", "@babel/preset-react"]
}
231 changes: 47 additions & 184 deletions jest.config.js
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Expand Up @@ -4,163 +4,44 @@
*/
const path = require('path')

module.exports = {
// All imported modules in your tests should be mocked automatically
// automock: false,
const snowpackReactJestConfig = require('@snowpack/app-scripts-react/jest.config.js')()

// Stop running tests after `n` failures
// bail: 0,
module.exports = {
...snowpackReactJestConfig,

// The directory where Jest should store its cached dependency information
// cacheDirectory: "/private/var/folders/sr/j4t__6kn4x59byxg_9q992100000gp/T/jest_dy",
// The glob patterns Jest uses to detect test files
testMatch: ['**/__tests__/**/*.[jt]s?(x)', '**/?(*.)+(spec|test).[jt]s?(x)'],

// Automatically clear mock calls and instances between every test
clearMocks: true,

// Indicates whether the coverage information should be collected while executing the test
// collectCoverage: false,

// An array of glob patterns indicating a set of files for which coverage information should be collected
collectCoverageFrom: ['packages/**/*.js'],

// The directory where Jest should output its coverage files
coverageDirectory: 'coverage',

// An array of regexp pattern strings used to skip coverage collection
coveragePathIgnorePatterns: [
'/node_modules/',
'index.dev.js',
'index.prod.js',
'/packages/browser-extension',
'/packages/csp',
'/packages/consts',
'/packages/utils',
'/packages/utils/env.js',
'/packages/spec/',
'/packages/db/',
'/packages/bytes/',
'/testlib/',
],

// Indicates which provider should be used to instrument code for coverage
coverageProvider: 'v8',

// A list of reporter names that Jest uses when writing coverage reports
// coverageReporters: [
// "json",
// "text",
// "lcov",
// "clover"
// ],

// An object that configures minimum threshold enforcement for coverage results
// coverageThreshold: undefined,

// A path to a custom dependency extractor
// dependencyExtractor: undefined,

// Make calling deprecated APIs throw helpful error messages
// errorOnDeprecated: false,

// Force coverage collection from ignored files using an array of glob patterns
// forceCoverageMatch: [],

// A path to a module which exports an async function that is triggered once before all test suites
// globalSetup: undefined,

// A path to a module which exports an async function that is triggered once after all test suites
// globalTeardown: undefined,

injectGlobals: true,
// A set of global variables that need to be available in all test environments
// globals: {},

// The maximum amount of workers used to run your tests. Can be specified as % or a number. E.g. maxWorkers: 10% will use 10% of your CPU amount + 1 as the maximum worker number. maxWorkers: 2 will use a maximum of 2 workers.
// maxWorkers: "50%",

// An array of directory names to be searched recursively up from the requiring module's location
// moduleDirectories: [
// "node_modules"
// ],

// An array of file extensions your modules use
// moduleFileExtensions: [
// "js",
// "json",
// "jsx",
// "ts",
// "tsx",
// "node"
// ],

// A map from regular expressions to module names or to arrays of module names that allow to stub out resources with a single module
// moduleNameMapper: {},

// An array of regexp pattern strings, matched against all module paths before considered 'visible' to the module loader
modulePathIgnorePatterns: ['/packages/browser-extension'],

// Activates notifications for test results
// notify: false,

// An enum that specifies notification mode. Requires { notify: true }
// notifyMode: "failure-change",

// A preset that is used as a base for Jest's configuration
// preset: undefined,

// Run tests from one or more projects
// projects: undefined,

// Use this configuration option to add custom reporters to Jest
// reporters: undefined,

// Automatically reset mock state between every test
// resetMocks: false,

// Reset the module registry before running each individual test
// resetModules: false,

// A path to a custom resolver
// resolver: undefined,

// Automatically restore mock state between every test
// restoreMocks: false,

// The root directory that Jest should scan for tests and modules within
// rootDir: undefined,

// A list of paths to directories that Jest should use to search for files in
roots: ['<rootDir>'],

// Allows you to use a custom runner instead of Jest's default test runner
// runner: "jest-runner",

// The paths to modules that run some code to configure or set up the testing environment before each test
setupFiles: ['./scripts/jest-setup-each-test.js', 'jest-webextension-mock'],
setupFiles: [...snowpackReactJestConfig.setupFiles],

// A list of paths to modules that run some code to configure or set up the testing framework before each test
// setupFilesAfterEnv: [],

// The number of seconds after which a test is considered as slow and reported as such in the results.
// slowTestThreshold: 5,

// A list of paths to snapshot serializer modules Jest should use for snapshot testing
// snapshotSerializers: [],

// The test environment that will be used for testing
// testEnvironment: "jest-environment-jsdom",

// Options that will be passed to the testEnvironment
// testEnvironmentOptions: {},
setupFilesAfterEnv: [
...[
path.resolve(__dirname, './scripts/jest-setup-each-test.js'),
'jest-webextension-mock',
],
],

// Adds a location field to test results
// testLocationInResults: false,
// An array of regexp patterns that are matched against all source file paths before re-running tests in watch mode
watchPathIgnorePatterns: [
'<rootDir>/.git',
'<rootDir>/node_modules',
'<rootDir>/scripts',
'<rootDir>/coverage',
],

// The glob patterns Jest uses to detect test files
// testMatch: [
// "**/__tests__/**/*.[jt]s?(x)",
// "**/?(*.)+(spec|test).[tj]s?(x)"
// ],
// An array of regexp pattern strings that are matched against all source file paths, matched files will skip transformation
transformIgnorePatterns: [
'/node_modules/',
// "\\.pnp\\.[^\\/]+$"
],

// An array of regexp pattern strings that are matched against all test paths, matched tests are skipped
testPathIgnorePatterns: [
Expand All @@ -172,50 +53,32 @@ module.exports = {
'/packages/spec/.shadow-cljs/',
],

// The regexp pattern or array of patterns that Jest uses to detect test files
// testRegex: [],

// This option allows the use of a custom results processor
// testResultsProcessor: undefined,

// This option allows use of a custom test runner
// testRunner: "jasmine2",

// This option sets the URL for the jsdom environment. It is reflected in properties such as location.href
// testURL: "http://localhost",

// Setting this value to "fake" allows the use of fake timers for functions such as "setTimeout"
// timers: "real",
// An array of regexp pattern strings, matched against all module paths before considered 'visible' to the module loader
modulePathIgnorePatterns: ['/packages/browser-extension'],
injectGlobals: true,

// A map from regular expressions to paths to transformers
// transform: {},
transform: {
'^.+\\.(t|j)sx?$': path.resolve(
__dirname,
'./scripts/jest-transformers.js',
),
},
// Indicates which provider should be used to instrument code for coverage
coverageProvider: 'babel', // v8 is not stable

// An array of regexp pattern strings that are matched against all source file paths, matched files will skip transformation
transformIgnorePatterns: [
// "/node_modules/",
// "\\.pnp\\.[^\\/]+$"
// An array of regexp pattern strings used to skip coverage collection
coveragePathIgnorePatterns: [
'/node_modules/',
'index.dev.js',
'index.prod.js',
'/packages/browser-extension',
'/packages/csp',
'/packages/consts',
'/packages/utils',
'/packages/utils/env.js',
'/packages/spec/',
'/packages/db/',
'/packages/bytes/',
'/testlib/',
],

// An array of regexp pattern strings that are matched against all modules before the module loader will automatically return a mock for them
// unmockedModulePathPatterns: undefined,

// Indicates whether each individual test should be reported during the run
// verbose: undefined,

// An array of regexp patterns that are matched against all source file paths before re-running tests in watch mode
watchPathIgnorePatterns: [
'<rootDir>/.git',
'<rootDir>/node_modules',
'<rootDir>/scripts',
'<rootDir>/coverage',
],
// The directory where Jest should output its coverage files
coverageDirectory: 'coverage',

// Whether to use watchman for file crawling
// watchman: true,
// An array of glob patterns indicating a set of files for which coverage information should be collected
collectCoverageFrom: ['packages/**/*.js'],
}
5 changes: 5 additions & 0 deletions package.json
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Expand Up @@ -20,6 +20,10 @@
"test": "cross-env NODE_OPTIONS=--experimental-vm-modules NODE_ENV=test jest --no-cache"
},
"devDependencies": {
"@babel/core": "^7.13.14",
"@babel/preset-env": "^7.13.12",
"@babel/preset-react": "^7.13.13",
"@snowpack/app-scripts-react": "^2.0.1",
"@snowpack/plugin-dotenv": "^2.1.0",
"@snowpack/plugin-react-refresh": "^2.4.2",
"@swc/cli": "^0.1.36",
Expand All @@ -29,6 +33,7 @@
"@tailwindcss/jit": "^0.1.18",
"@yqrashawn/snowpack": "3.2.2-patch1",
"autoprefixer": "^10.2.5",
"babel-jest": "^26.6.3",
"browserslist": "^4.16.3",
"concurrently": "^6.0.1",
"cross-env": "^7.0.3",
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