test_runner: add test location for FileTests

lib/internal/test_runner/runner.js

@@ -29,6 +29,7 @@ const {
 
 const { spawn } = require('child_process');
 const { finished } = require('internal/streams/end-of-stream');
+const { resolve } = require('path');
 const { DefaultDeserializer, DefaultSerializer } = require('v8');
 // TODO(aduh95): switch to internal/readline/interface when backporting to Node.js 16.x is no longer a concern.
 const { createInterface } = require('readline');
@@ -139,6 +140,17 @@ class FileTest extends Test {
  #rawBufferSize = 0;
  #reportedChildren = 0;
  failedSubtests = false;
+
+ constructor(options) {
+ super(options);
+ this.loc ??= {
+ __proto__: null,
+ line: 1,
+ column: 1,
+ file: resolve(this.name),
+ };
+ }
+
  #skipReporting() {
  return this.#reportedChildren > 0 && (!this.error || this.error.failureType === kSubtestsFailed);
  }

test/parallel/test-runner-filetest-location.js

@@ -0,0 +1,20 @@
+'use strict';
+const common = require('../common');
+const fixtures = require('../common/fixtures');
+const { strictEqual } = require('node:assert');
+const { relative } = require('node:path');
+const { run } = require('node:test');
+const fixture = fixtures.path('test-runner', 'never_ending_sync.js');
+const relativePath = relative(process.cwd(), fixture);
+const stream = run({
+ files: [relativePath],
+ timeout: common.platformTimeout(100),
+});
+
+stream.on('test:fail', common.mustCall((result) => {
+ strictEqual(result.name, relativePath);
+ strictEqual(result.details.error.failureType, 'testTimeoutFailure');
+ strictEqual(result.line, 1);
+ strictEqual(result.column, 1);
+ strictEqual(result.file, fixture);
+}));