Add One Double Zero as coverage provider

e2e/__tests__/__snapshots__/coverageProviderODZ.test.ts.snap

@@ -0,0 +1,115 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`prints correct coverage report, if a CJS module is put under test without transformation 1`] = `
+"  console.log
+    this will print
+
+      at covered (module.js:11:11)
+
+--------------|---------|----------|---------|---------|-------------------
+File          | % Stmts | % Branch | % Funcs | % Lines | Uncovered Line #s 
+--------------|---------|----------|---------|---------|-------------------
+All files     |      60 |       50 |      50 |      60 |                   
+ module.js    |   66.66 |       50 |      50 |   66.66 | 14-15,19          
+ uncovered.js |       0 |      100 |     100 |       0 | 8                 
+--------------|---------|----------|---------|---------|-------------------"
+`;
+
+exports[`prints correct coverage report, if a TS module is transpiled by Babel to CJS and put under test 1`] = `
+"  console.log
+    this will print
+
+      at log (module.ts:13:11)
+
+--------------|---------|----------|---------|---------|-------------------
+File          | % Stmts | % Branch | % Funcs | % Lines | Uncovered Line #s 
+--------------|---------|----------|---------|---------|-------------------
+All files     |    62.5 |       50 |      50 |    62.5 |                   
+ module.ts    |    62.5 |       50 |      50 |    62.5 | 16-17,21          
+ types.ts     |       0 |        0 |       0 |       0 |                   
+ uncovered.ts |       0 |        0 |       0 |       0 |                   
+--------------|---------|----------|---------|---------|-------------------"
+`;
+
+exports[`prints correct coverage report, if a TS module is transpiled by custom transformer to ESM put under test 1`] = `
+"  console.log
+    this will print
+
+      at covered (module.ts:13:11)
+
+--------------|---------|----------|---------|---------|-------------------
+File          | % Stmts | % Branch | % Funcs | % Lines | Uncovered Line #s 
+--------------|---------|----------|---------|---------|-------------------
+All files     |    62.5 |       50 |      50 |    62.5 |                   
+ module.ts    |    62.5 |       50 |      50 |    62.5 | 16-17,21          
+ types.ts     |       0 |        0 |       0 |       0 |                   
+ uncovered.ts |       0 |        0 |       0 |       0 |                   
+--------------|---------|----------|---------|---------|-------------------"
+`;
+
+exports[`prints correct coverage report, if an ESM module is put under test without transformation 1`] = `
+"  console.log
+    this will print
+
+      at covered (module.js:11:11)
+
+--------------|---------|----------|---------|---------|-------------------
+File          | % Stmts | % Branch | % Funcs | % Lines | Uncovered Line #s 
+--------------|---------|----------|---------|---------|-------------------
+All files     |    62.5 |       50 |      50 |    62.5 |                   
+ module.js    |    62.5 |       50 |      50 |    62.5 | 14-15,19          
+ uncovered.js |       0 |        0 |       0 |       0 |                   
+--------------|---------|----------|---------|---------|-------------------"
+`;
+
+exports[`prints coverage with empty sourcemaps 1`] = `
+"----------|---------|----------|---------|---------|-------------------
+File      | % Stmts | % Branch | % Funcs | % Lines | Uncovered Line #s 
+----------|---------|----------|---------|---------|-------------------
+All files |       0 |        0 |       0 |       0 |                   
+----------|---------|----------|---------|---------|-------------------"
+`;
+
+exports[`prints coverage with missing sourcemaps 1`] = `
+"  console.log
+    42
+
+      at Object.log (__tests__/Thing.test.js:10:9)
+
+----------|---------|----------|---------|---------|-------------------
+File      | % Stmts | % Branch | % Funcs | % Lines | Uncovered Line #s 
+----------|---------|----------|---------|---------|-------------------
+All files |     100 |      100 |     100 |     100 |                   
+ Thing.js |     100 |      100 |     100 |     100 |                   
+ x.css    |       0 |        0 |       0 |       0 |                   
+----------|---------|----------|---------|---------|-------------------"
+`;
+
+exports[`reports coverage with \`resetModules\` 1`] = `
+"  console.log
+    this will print
+
+      at log (module.js:11:11)
+
+  console.log
+    this will print
+
+      at log (module.js:11:11)
+
+--------------|---------|----------|---------|---------|-------------------
+File          | % Stmts | % Branch | % Funcs | % Lines | Uncovered Line #s 
+--------------|---------|----------|---------|---------|-------------------
+All files     |      60 |       50 |      50 |      60 |                   
+ module.js    |   66.66 |       50 |      50 |   66.66 | 14-15,19          
+ uncovered.js |       0 |      100 |     100 |       0 | 8                 
+--------------|---------|----------|---------|---------|-------------------"
+`;
+
+exports[`vm script coverage generator 1`] = `
+"-------------|---------|----------|---------|---------|-------------------
+File         | % Stmts | % Branch | % Funcs | % Lines | Uncovered Line #s 
+-------------|---------|----------|---------|---------|-------------------
+All files    |      80 |       75 |   66.66 |      80 |                   
+ vmscript.js |      80 |       75 |   66.66 |      80 | 20-21             
+-------------|---------|----------|---------|---------|-------------------"
+`;

e2e/__tests__/coverageProviderODZ.test.ts

@@ -0,0 +1,120 @@
+/**
+ * Copyright (c) Meta Platforms, Inc. and affiliates.
+ *
+ * This source code is licensed under the MIT license found in the
+ * LICENSE file in the root directory of this source tree.
+ */
+
+import * as path from 'path';
+import runJest from '../runJest';
+
+const DIR = path.resolve(__dirname, '../coverage-provider-v8');
+
+test('prints coverage with missing sourcemaps', () => {
+  const sourcemapDir = path.join(DIR, 'no-sourcemap');
+
+  const {stdout, exitCode} = runJest(
+    sourcemapDir,
+    ['--coverage', '--coverage-provider', 'odz'],
+    {stripAnsi: true},
+  );
+
+  expect(exitCode).toBe(0);
+  expect(stdout).toMatchSnapshot();
+});
+
+test('prints coverage with empty sourcemaps', () => {
+  const sourcemapDir = path.join(DIR, 'empty-sourcemap');
+
+  const {stdout, exitCode} = runJest(
+    sourcemapDir,
+    ['--coverage', '--coverage-provider', 'odz'],
+    {stripAnsi: true},
+  );
+
+  expect(exitCode).toBe(0);
+  expect(stdout).toMatchSnapshot();
+});
+
+test('reports coverage with `resetModules`', () => {
+  const sourcemapDir = path.join(DIR, 'with-resetModules');
+
+  const {stdout, exitCode} = runJest(
+    sourcemapDir,
+    ['--coverage', '--coverage-provider', 'odz'],
+    {stripAnsi: true},
+  );
+
+  expect(exitCode).toBe(0);
+  expect(stdout).toMatchSnapshot();
+});
+
+test('prints correct coverage report, if a CJS module is put under test without transformation', () => {
+  const sourcemapDir = path.join(DIR, 'cjs-native-without-sourcemap');
+
+  const {stdout, exitCode} = runJest(
+    sourcemapDir,
+    ['--coverage', '--coverage-provider', 'odz', '--no-cache'],
+    {stripAnsi: true},
+  );
+
+  expect(exitCode).toBe(0);
+  expect(stdout).toMatchSnapshot();
+});
+
+test('prints correct coverage report, if a TS module is transpiled by Babel to CJS and put under test', () => {
+  const sourcemapDir = path.join(DIR, 'cjs-with-babel-transformer');
+
+  const {stdout, exitCode} = runJest(
+    sourcemapDir,
+    ['--coverage', '--coverage-provider', 'odz', '--no-cache'],
+    {stripAnsi: true},
+  );
+
+  expect(exitCode).toBe(0);
+  expect(stdout).toMatchSnapshot();
+});
+
+test('prints correct coverage report, if an ESM module is put under test without transformation', () => {
+  const sourcemapDir = path.join(DIR, 'esm-native-without-sourcemap');
+
+  const {stdout, exitCode} = runJest(
+    sourcemapDir,
+    ['--coverage', '--coverage-provider', 'odz', '--no-cache'],
+    {
+      nodeOptions: '--experimental-vm-modules --no-warnings',
+      stripAnsi: true,
+    },
+  );
+
+  expect(exitCode).toBe(0);
+  expect(stdout).toMatchSnapshot();
+});
+
+test('prints correct coverage report, if a TS module is transpiled by custom transformer to ESM put under test', () => {
+  const sourcemapDir = path.join(DIR, 'esm-with-custom-transformer');
+
+  const {stdout, exitCode} = runJest(
+    sourcemapDir,
+    ['--coverage', '--coverage-provider', 'odz', '--no-cache'],
+    {
+      nodeOptions: '--experimental-vm-modules --no-warnings',
+      stripAnsi: true,
+    },
+  );
+
+  expect(exitCode).toBe(0);
+  expect(stdout).toMatchSnapshot();
+});
+
+test('vm script coverage generator', () => {
+  const dir = path.resolve(__dirname, '../vmscript-coverage');
+  const {stdout, exitCode} = runJest(
+    dir,
+    ['--coverage', '--coverage-provider', 'odz'],
+    {stripAnsi: true},
+  );
+
+  expect(exitCode).toBe(0);
+  expect(stdout).toMatchSnapshot();
+});

e2e/coverage-provider-v8/no-sourcemap/package.json

@@ -6,6 +6,10 @@
     "transform": {
       "\\.[jt]sx?$": "babel-jest",
       "\\.css$": "<rootDir>/cssTransform.js"
-    }
+    },
+    "collectCoverageFrom": [
+      "<rootDir>/Thing.js",
+      "<rootDir>/x.css"
+    ]
   }
 }

package.json

@@ -204,5 +204,8 @@
     "psl": "patch:psl@npm:^1.9.0#./.yarn/patches/psl-npm-1.9.0-a546edad1a.patch",
     "ts-node@^10.5.0": "patch:ts-node@npm:^10.5.0#./.yarn/patches/ts-node-npm-10.9.1-6c268be7f4.patch"
   },
-  "packageManager": "[email protected]"
+  "packageManager": "[email protected]",
+  "dependencies": {
+    "one-double-zero": "1.0.0-beta.12"
+  }
 }

packages/jest-cli/src/args.ts

@@ -213,8 +213,8 @@ export const options: {[key: string]: Options} = {
     type: 'array',
   },
   coverageProvider: {
-    choices: ['babel', 'v8'],
-    description: 'Select between Babel and V8 to collect coverage',
+    choices: ['babel', 'v8', 'odz'],
+    description: 'Select between Babel, V8 and One Double Zero to collect coverage',
     requiresArg: true,
   },
   coverageReporters: {