fix: report file error as a <failure> on JUnit (#3997)

.eslintignore

@@ -10,3 +10,4 @@ coverage
 docs/.vitepress/cache/deps/*.*
 test/core/src/self
 test/workspaces/results.json
+test/reporters/fixtures/with-syntax-error.test.js

packages/vitest/src/node/reporters/junit.ts

@@ -216,6 +216,23 @@ export class JUnitReporter implements Reporter {
           skipped: 0,
         })
 
+        // If there are no tests, but the file failed to load, we still want to report it as a failure
+        if (tasks.length === 0 && file.result?.state === 'fail') {
+          stats.failures = 1
+
+          tasks.push({
+            id: file.id,
+            type: 'test',
+            name: file.name,
+            mode: 'run',
+            result: file.result,
+            meta: {},
+            // NOTE: not used in JUnitReporter
+            context: null as any,
+            suite: null as any,
+          } satisfies Task)
+        }
+
         return {
           ...file,
           tasks,

test/reporters/fixtures/with-syntax-error.test.js

@@ -0,0 +1,4 @@
+// NOTE: This file is intentionally not valid JavaScript.
+
+it('should fail', () => {
+)

test/reporters/tests/junit.test.ts

@@ -1,7 +1,11 @@
 import type { Suite, Task, TaskResult } from 'vitest'
 import { expect, test } from 'vitest'
+import { resolve } from 'pathe'
+import { runVitest } from '../../test-utils'
 import { getDuration } from '../../../packages/vitest/src/node/reporters/junit'
 
+const root = resolve(__dirname, '../fixtures')
+
 test('calc the duration used by junit', () => {
   const result: TaskResult = { state: 'pass', duration: 0 }
   const suite: Suite = {
@@ -34,3 +38,16 @@ test('calc the duration used by junit', () => {
   result.duration = 12001
   expect(getDuration(task)).toBe('12.001')
 })
+
+test('emits <failure> if a test has a syntax error', async () => {
+  const { stdout } = await runVitest({ reporters: 'junit', root }, ['with-syntax-error'])
+
+  let xml = stdout
+
+  // clear timestamp and hostname
+  xml = xml.replace(/timestamp="[^"]+"/, 'timestamp="TIMESTAMP"')
+  xml = xml.replace(/hostname="[^"]+"/, 'hostname="HOSTNAME"')
+
+  expect(xml).toContain('<testsuite name="with-syntax-error.test.js" timestamp="TIMESTAMP" hostname="HOSTNAME" tests="1" failures="1" errors="0" skipped="0" time="0">')
+  expect(xml).toContain('<failure')
+})