fix!: add correct location and snapshot fields in json reporter (#5434)

Author: sheremet-va

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

@@ -1,18 +1,21 @@
 import { existsSync, promises as fs } from 'node:fs'
 import { dirname, resolve } from 'pathe'
 import type { Vitest } from '../../node'
-import type { File, Reporter, Suite, Task, TaskState } from '../../types'
+import type { File, Reporter, SnapshotSummary, Suite, TaskState } from '../../types'
 import { getSuites, getTests } from '../../utils'
 import { getOutputFile } from '../../utils/config-helpers'
-import { parseErrorStacktrace } from '../../utils/source-map'
 
 // for compatibility reasons, the reporter produces a JSON similar to the one produced by the Jest JSON reporter
 // the following types are extracted from the Jest repository (and simplified)
 // the commented-out fields are the missing ones
 
 type Status = 'passed' | 'failed' | 'skipped' | 'pending' | 'todo' | 'disabled'
 type Milliseconds = number
-interface Callsite { line: number; column: number }
+interface Callsite {
+  line: number
+  column: number
+}
+
 const StatusMap: Record<TaskState, Status> = {
   fail: 'failed',
   only: 'pending',
@@ -28,7 +31,7 @@ export interface JsonAssertionResult {
   status: Status
   title: string
   duration?: Milliseconds | null
-  failureMessages: Array<string>
+  failureMessages: Array<string> | null
   location?: Callsite | null
 }
 
@@ -56,9 +59,9 @@ export interface JsonTestResults {
   startTime: number
   success: boolean
   testResults: Array<JsonTestResult>
+  snapshot: SnapshotSummary
   // coverageMap?: CoverageMap | null | undefined
   // numRuntimeErrorTestSuites: number
-  // snapshot: SnapshotSummary
   // wasInterrupted: boolean
 }
 
@@ -104,7 +107,7 @@ export class JsonReporter implements Reporter {
 
       const endTime = tests.reduce((prev, next) => Math.max(prev, (next.result?.startTime ?? 0) + (next.result?.duration ?? 0)), startTime)
       const assertionResults = tests.map((t) => {
-        const ancestorTitles = [] as string[]
+        const ancestorTitles: string[] = []
         let iter: Suite | undefined = t.suite
         while (iter) {
           ancestorTitles.push(iter.name)
@@ -114,13 +117,13 @@ export class JsonReporter implements Reporter {
 
         return {
           ancestorTitles,
-          fullName: ancestorTitles.length > 0 ? `${ancestorTitles.join(' ')} ${t.name}` : t.name,
+          fullName: t.name ? [...ancestorTitles, t.name].join(' ') : ancestorTitles.join(' '),
           status: StatusMap[t.result?.state || t.mode] || 'skipped',
           title: t.name,
           duration: t.result?.duration,
-          failureMessages: t.result?.errors?.map(e => e.message) || [],
-          location: this.getFailureLocation(t),
-        } as JsonAssertionResult
+          failureMessages: t.result?.errors?.map(e => e.stack || e.message) || [],
+          location: t.location,
+        } satisfies JsonAssertionResult
       })
 
       if (tests.some(t => t.result?.state === 'run')) {
@@ -153,6 +156,7 @@ export class JsonReporter implements Reporter {
       numFailedTests,
       numPendingTests,
       numTodoTests,
+      snapshot: this.ctx.snapshot.summary,
       startTime: this.start,
       success,
       testResults,
@@ -187,21 +191,4 @@ export class JsonReporter implements Reporter {
       this.ctx.logger.log(report)
     }
   }
-
-  protected getFailureLocation(test: Task): Callsite | undefined {
-    const error = test.result?.errors?.[0]
-    if (!error)
-      return
-
-    const project = this.ctx.getProjectByTaskId(test.id)
-    const stack = parseErrorStacktrace(error, {
-      getSourceMap: file => project.getBrowserSourceMapModuleById(file),
-      frameFilter: this.ctx.config.onStackTrace,
-    })
-    const frame = stack[0]
-    if (!frame)
-      return
-
-    return { line: frame.line, column: frame.column }
-  }
 }

pnpm-lock.yaml

@@ -33,6 +33,9 @@ export function getContext(): Context {
     config: config as ResolvedConfig,
     server: server as ViteDevServer,
     getProjectByTaskId: () => ({ getBrowserSourceMapModuleById: () => undefined }) as any,
+    snapshot: {
+      summary: { added: 100, _test: true },
+    } as any,
   }
 
   context.logger = {

test/reporters/src/context.ts

@@ -16,7 +16,7 @@ const file: File = {
 file.file = file
 
 const suite: Suite = {
-  id: '',
+  id: '1223128da3_0',
   type: 'suite',
   name: 'suite',
   mode: 'run',
@@ -47,7 +47,7 @@ error.stack = 'AssertionError: expected 2.23606797749979 to equal 2\n'
 
 const tasks: Task[] = [
   {
-    id: '1223128da3_0',
+    id: '1223128da3_0_0',
     type: 'test',
     name: 'Math.sqrt()',
     mode: 'run',
@@ -60,10 +60,14 @@ const tasks: Task[] = [
       errors: [error],
       duration: 1.4422860145568848,
     },
+    location: {
+      column: 32,
+      line: 8,
+    },
     context: null as any,
   },
   {
-    id: '1223128da3_1',
+    id: '1223128da3_0_1',
     type: 'test',
     name: 'JSON',
     mode: 'run',
@@ -75,7 +79,7 @@ const tasks: Task[] = [
     context: null as any,
   },
   {
-    id: '1223128da3_3',
+    id: '1223128da3_0_3',
     type: 'test',
     name: 'async with timeout',
     mode: 'skip',
@@ -87,7 +91,7 @@ const tasks: Task[] = [
     context: null as any,
   },
   {
-    id: '1223128da3_4',
+    id: '1223128da3_0_4',
     type: 'test',
     name: 'timeout',
     mode: 'run',
@@ -99,7 +103,7 @@ const tasks: Task[] = [
     context: null as any,
   },
   {
-    id: '1223128da3_5',
+    id: '1223128da3_0_5',
     type: 'test',
     name: 'callback setup success ',
     mode: 'run',
@@ -111,7 +115,7 @@ const tasks: Task[] = [
     context: null as any,
   },
   {
-    id: '1223128da3_6',
+    id: '1223128da3_0_6',
     type: 'test',
     name: 'callback test success ',
     mode: 'run',
@@ -123,7 +127,7 @@ const tasks: Task[] = [
     context: null as any,
   },
   {
-    id: '1223128da3_7',
+    id: '1223128da3_0_7',
     type: 'test',
     name: 'callback setup success done(false)',
     mode: 'run',
@@ -135,7 +139,7 @@ const tasks: Task[] = [
     context: null as any,
   },
   {
-    id: '1223128da3_8',
+    id: '1223128da3_0_8',
     type: 'test',
     name: 'callback test success done(false)',
     mode: 'run',
@@ -155,7 +159,7 @@ const tasks: Task[] = [
     ],
   },
   {
-    id: '1223128da3_9',
+    id: '1223128da3_0_9',
     type: 'test',
     name: 'todo test',
     mode: 'todo',

test/reporters/src/data.ts

@@ -4,12 +4,13 @@ exports[`json reporter > generates correct report 1`] = `
 {
   "ancestorTitles": [],
   "failureMessages": [
-    "expected 2 to deeply equal 1",
+    "AssertionError: expected 2 to deeply equal 1
+    at <root>/test/reporters/fixtures/json-fail.test.ts:8:13",
   ],
   "fullName": "should fail",
   "location": {
-    "column": 13,
-    "line": 8,
+    "column": 1,
+    "line": 5,
   },
   "status": "failed",
   "title": "should fail",