Get console output after tests

Author: timfish

test/e2e.test.mjs

@@ -8,9 +8,27 @@ const NODE_MAJOR_VERSION = parseInt(process.versions.node.split('.')[0], 10);
 
 function runTest(...paths) {
   const file = join(...paths);
-  const args = NODE_MAJOR_VERSION === 22 ? [ '--experimental-async-context-frame', file] : [file];
-  const result = spawnSync('node', args, {stdio: 'inherit'});
-  return result;
+  const args = NODE_MAJOR_VERSION === 22 ? ['--experimental-async-context-frame', file] : [file];
+  const result = spawnSync('node', args);
+  const stdoutLines = result.stdout?.toString().split('\n').filter(line => line.trim() !== '');
+  const stderrLines = result.stderr?.toString().split('\n').filter(line => line.trim() !== '');
+
+  let trace;
+  for (const line of stdoutLines) {
+    try {
+      trace = JSON.parse(line);
+      break;
+    } catch (_) {
+      //
+    }
+  }
+
+  console.log('Test stdout:', stdoutLines);
+  if (stderrLines.length > 0) {
+    console.log('Test stderr:', stderrLines);
+  }
+
+  return { status: result.status, stdoutLines, trace: trace };
 }
 
 describe('e2e Tests', { timeout: 20000 }, () => {
@@ -19,9 +37,7 @@ describe('e2e Tests', { timeout: 20000 }, () => {
 
     expect(result.status).toEqual(0);
 
-    const trace = JSON.parse(result.stdout.toString());
-
-    expect(trace).toEqual(expect.objectContaining({
+    expect(result.trace).toEqual(expect.objectContaining({
       '0': {
         frames: expect.arrayContaining([
           {
@@ -74,9 +90,7 @@ describe('e2e Tests', { timeout: 20000 }, () => {
 
     expect(result.status).toEqual(0);
 
-    const trace = JSON.parse(result.stdout.toString());
-
-    expect(trace).toEqual(expect.objectContaining({
+    expect(result.trace).toEqual(expect.objectContaining({
       '0': {
         frames: expect.arrayContaining([
           {
@@ -116,9 +130,7 @@ describe('e2e Tests', { timeout: 20000 }, () => {
 
     expect(result.status).toEqual(0);
 
-    const trace = JSON.parse(result.stdout.toString());
-
-    expect(trace).toEqual(expect.objectContaining({
+    expect(result.trace).toEqual(expect.objectContaining({
       '0': expect.objectContaining({
         frames: expect.arrayContaining([
           {
@@ -150,6 +162,6 @@ describe('e2e Tests', { timeout: 20000 }, () => {
 
     expect(result.status).toEqual(0);
 
-    expect(result.stdout.toString()).toContain('complete');
+    expect(result.stdoutLines).toContain('complete');
   });
 });