test_runner: run t.after() if test body throws

This commit fixes a bug where t.after() was not called if the
test body threw an exception.

PR-URL: #45870
Reviewed-By: Moshe Atlow <moshe@atlow.co.il>
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>

lib/internal/test_runner/test.js

@@ -508,6 +508,11 @@ class Test extends AsyncResource {
     }
 
     const { args, ctx } = this.getRunArgs();
+    const after = runOnce(async () => {
+      if (this.hooks.after.length > 0) {
+        await this.runHook('after', { args, ctx });
+      }
+    });
     const afterEach = runOnce(async () => {
       if (this.parent?.hooks.afterEach.length > 0) {
         await this.parent.runHook('afterEach', { args, ctx });
@@ -549,10 +554,11 @@ class Test extends AsyncResource {
         return;
       }
 
-      await this.runHook('after', { args, ctx });
+      await after();
       await afterEach();
       this.pass();
     } catch (err) {
+      try { await after(); } catch { /* Ignore error. */ }
       try { await afterEach(); } catch { /* test is already failing, let's the error */ }
       if (isTestFailureError(err)) {
         if (err.failureType === kTestTimeoutFailure) {

test/message/test_runner_hooks.js

@@ -142,3 +142,10 @@ test('afterEach throws and test fails', async (t) => {
   await t.test('1', () => { throw new Error('test'); });
   await t.test('2', () => {});
 });
+
+test('t.after() is called if test body throws', (t) => {
+  t.after(() => {
+    t.diagnostic('- after() called');
+  });
+  throw new Error('bye');
+});

test/message/test_runner_hooks.out

@@ -475,10 +475,28 @@ not ok 12 - afterEach throws and test fails
   error: '2 subtests failed'
   code: 'ERR_TEST_FAILURE'
   ...
-1..12
-# tests 12
+# Subtest: t.after() is called if test body throws
+not ok 13 - t.after() is called if test body throws
+  ---
+  duration_ms: *
+  failureType: 'testCodeFailure'
+  error: 'bye'
+  code: 'ERR_TEST_FAILURE'
+  stack: |-
+    *
+    *
+    *
+    *
+    *
+    *
+    *
+    *
+  ...
+# - after() called
+1..13
+# tests 13
 # pass 2
-# fail 10
+# fail 11
 # cancelled 0
 # skipped 0
 # todo 0