fix(coverage): exclude browser mode iframe results (#6905)

Author: AriPerkkio

packages/coverage-v8/src/browser.ts

@@ -59,5 +59,13 @@ function filterResult(coverage: ScriptCoverage['result'][number]): boolean {
     return false
   }
 
+  if (coverage.url === window.location.href) {
+    return false
+  }
+
+  if (coverage.url.includes('?browserv=') || coverage.url.includes('&browserv=')) {
+    return false
+  }
+
   return true
 }

test/coverage-test/test/bundled-sources.test.ts

@@ -24,7 +24,7 @@ test('bundled code with source maps to originals', async () => {
   expect(files.find(file => file.includes('bundle.ts'))).toBeFalsy()
   expect(files.find(file => file.includes('bundle.d.ts'))).toBeFalsy()
 
-  expect(JSON.stringify(coverageJson, null, 2)).toMatchFileSnapshot(`__snapshots__/bundled-${isV8Provider() ? 'v8' : 'istanbul'}.snapshot.json`)
+  await expect(JSON.stringify(coverageJson, null, 2)).toMatchFileSnapshot(`__snapshots__/bundled-${isV8Provider() ? 'v8' : 'istanbul'}.snapshot.json`)
 })
 
 coverageTest('run bundled sources', () => {

test/coverage-test/test/include-exclude.test.ts

@@ -1,10 +1,10 @@
 import { expect } from 'vitest'
 import { coverageConfigDefaults } from 'vitest/config'
-import { coverageTest, normalizeURL, readCoverageMap, runVitest, test } from '../utils'
+import { readCoverageMap, runVitest, test } from '../utils'
 
 test('default exclude should ignore test files', async () => {
   await runVitest({
-    include: [normalizeURL(import.meta.url)],
+    include: ['fixtures/test/math.test.ts'],
     coverage: {
       all: true,
       reporter: 'json',
@@ -18,7 +18,7 @@ test('default exclude should ignore test files', async () => {
 
 test('overriden exclude should not apply defaults', async () => {
   await runVitest({
-    include: [normalizeURL(import.meta.url)],
+    include: ['fixtures/test/math.test.ts'],
     coverage: {
       all: true,
       reporter: 'json',
@@ -63,7 +63,3 @@ test('test files are not automatically excluded from report when excludes is set
   const files = coverageMap.files()
   expect(files).toContain('<process-cwd>/fixtures/src/test-that-looks-like-source-file.ts')
 })
-
-coverageTest('dummy', () => {
-  expect(1 + 1).toBe(2)
-})

test/coverage-test/test/pre-transpiled-source.test.ts

@@ -22,5 +22,5 @@ test('pre-transpiled code with source maps to original (#5341)', async () => {
   expect(files.find(file => file.includes('transpiled.ts'))).toBeFalsy()
   expect(files.find(file => file.includes('transpiled.d.ts'))).toBeFalsy()
 
-  expect(JSON.stringify(coverageJson, null, 2)).toMatchFileSnapshot(`__snapshots__/pre-transpiled-${isV8Provider() ? 'v8' : 'istanbul'}.snapshot.json`)
+  await expect(JSON.stringify(coverageJson, null, 2)).toMatchFileSnapshot(`__snapshots__/pre-transpiled-${isV8Provider() ? 'v8' : 'istanbul'}.snapshot.json`)
 })

test/coverage-test/test/results-snapshot.test.ts

@@ -16,5 +16,5 @@ test('coverage results matches snapshot', async () => {
 
   const coverageJson = await readCoverageJson()
 
-  expect(JSON.stringify(coverageJson, null, 2)).toMatchFileSnapshot(`__snapshots__/results-${isV8Provider() ? 'v8' : 'istanbul'}.snapshot.json`)
+  await expect(JSON.stringify(coverageJson, null, 2)).toMatchFileSnapshot(`__snapshots__/results-${isV8Provider() ? 'v8' : 'istanbul'}.snapshot.json`)
 })

test/coverage-test/vitest.workspace.custom.ts

@@ -66,6 +66,7 @@ export default defineWorkspace([
         BROWSER_TESTS,
 
         // Other non-provider-specific tests that should be run on browser mode as well
+        '**/include-exclude.test.ts',
         '**/allow-external.test.ts',
         '**/ignore-hints.test.ts',
         '**/import-attributes.test.ts',
@@ -89,6 +90,7 @@ export default defineWorkspace([
         BROWSER_TESTS,
 
         // Other non-provider-specific tests that should be run on browser mode as well
+        '**/include-exclude.test.ts',
         '**/allow-external.test.ts',
         '**/ignore-hints.test.ts',
         '**/import-attributes.test.ts',