lib: allow checking the test result from afterEach

PR-URL: https://github.com/nodejs/node/pull/51485
Reviewed-By: Benjamin Gruenbaum <benjamingr@gmail.com>
Reviewed-By: Moshe Atlow <moshe@atlow.co.il>

lib/internal/test_runner/test.js

@@ -132,6 +132,14 @@ class TestContext {
     return this.#test.name;
   }
 
+  get error() {
+    return this.#test.error;
+  }
+
+  get passed() {
+    return this.#test.passed;
+  }
+
   diagnostic(message) {
     this.#test.diagnostic(message);
   }
@@ -639,12 +647,17 @@ class Test extends AsyncResource {
         return;
       }
 
-      await afterEach();
-      await after();
       this.pass();
+      try {
+        await afterEach();
+        await after();
+      } catch (err) {
+        // If one of the after hooks has thrown unset endTime so that the
+        // catch below can do its cancel/fail logic.
+        this.endTime = null;
+        throw err;
+      }
     } catch (err) {
-      try { await afterEach(); } catch { /* test is already failing, let's ignore the error */ }
-      try { await after(); } catch { /* Ignore error. */ }
       if (isTestFailureError(err)) {
         if (err.failureType === kTestTimeoutFailure) {
           this.#cancel(err);
@@ -654,6 +667,8 @@ class Test extends AsyncResource {
       } else {
         this.fail(new ERR_TEST_FAILURE(err, kTestCodeFailure));
       }
+      try { await afterEach(); } catch { /* test is already failing, let's ignore the error */ }
+      try { await after(); } catch { /* Ignore error. */ }
     } finally {
       stopPromise?.[SymbolDispose]();
 

test/fixtures/test-runner/output/hooks.js

@@ -152,6 +152,25 @@ test('afterEach when test fails', async (t) => {
   await t.test('2', () => {});
 });
 
+test('afterEach context when test passes', async (t) => {
+  t.afterEach(common.mustCall((ctx) => {
+    assert.strictEqual(ctx.name, '1');
+    assert.strictEqual(ctx.passed, true);
+    assert.strictEqual(ctx.error, null);
+  }));
+  await t.test('1', () => {});
+});
+
+test('afterEach context when test fails', async (t) => {
+  const err = new Error('test');
+  t.afterEach(common.mustCall((ctx) => {
+    assert.strictEqual(ctx.name, '1');
+    assert.strictEqual(ctx.passed, false);
+    assert.strictEqual(ctx.error, err);
+  }));
+  await t.test('1', () => { throw err });
+});
+
 test('afterEach throws and test fails', async (t) => {
   t.after(common.mustCall());
   t.afterEach(() => { throw new Error('afterEach'); });

test/fixtures/test-runner/output/hooks.snapshot

@@ -505,6 +505,41 @@ not ok 12 - afterEach when test fails
   error: '1 subtest failed'
   code: 'ERR_TEST_FAILURE'
   ...
+# Subtest: afterEach context when test passes
+    # Subtest: 1
+    ok 1 - 1
+      ---
+      duration_ms: *
+      ...
+    1..1
+ok 13 - afterEach context when test passes
+  ---
+  duration_ms: *
+  ...
+# Subtest: afterEach context when test fails
+    # Subtest: 1
+    not ok 1 - 1
+      ---
+      duration_ms: *
+      location: '/test/fixtures/test-runner/output/hooks.js:(LINE):11'
+      failureType: 'testCodeFailure'
+      error: 'test'
+      code: 'ERR_TEST_FAILURE'
+      stack: |-
+        *
+        *
+        *
+        *
+      ...
+    1..1
+not ok 14 - afterEach context when test fails
+  ---
+  duration_ms: *
+  location: '/test/fixtures/test-runner/output/hooks.js:(LINE):1'
+  failureType: 'subtestsFailed'
+  error: '1 subtest failed'
+  code: 'ERR_TEST_FAILURE'
+  ...
 # Subtest: afterEach throws and test fails
     # Subtest: 1
     not ok 1 - 1
@@ -546,7 +581,7 @@ not ok 12 - afterEach when test fails
         *
       ...
     1..2
-not ok 13 - afterEach throws and test fails
+not ok 15 - afterEach throws and test fails
   ---
   duration_ms: *
   location: '/test/fixtures/test-runner/output/hooks.js:(LINE):1'
@@ -555,7 +590,7 @@ not ok 13 - afterEach throws and test fails
   code: 'ERR_TEST_FAILURE'
   ...
 # Subtest: t.after() is called if test body throws
-not ok 14 - t.after() is called if test body throws
+not ok 16 - t.after() is called if test body throws
   ---
   duration_ms: *
   location: '/test/fixtures/test-runner/output/hooks.js:(LINE):1'
@@ -580,7 +615,7 @@ not ok 14 - t.after() is called if test body throws
       code: 'ERR_TEST_FAILURE'
       ...
     1..1
-not ok 15 - run after when before throws
+not ok 17 - run after when before throws
   ---
   duration_ms: *
   type: 'suite'
@@ -599,15 +634,15 @@ not ok 15 - run after when before throws
     *
     *
   ...
-1..15
+1..17
 # before 1 called
 # before 2 called
 # after 1 called
 # after 2 called
-# tests 39
+# tests 43
 # suites 9
-# pass 14
-# fail 22
+# pass 16
+# fail 24
 # cancelled 3
 # skipped 0
 # todo 0

test/fixtures/test-runner/output/hooks_spec_reporter.snapshot

@@ -258,6 +258,20 @@
    2 (*ms)
  afterEach when test fails (*ms)
 
+ afterEach context when test passes
+   1 (*ms)
+ afterEach context when test passes (*ms)
+
+ afterEach context when test fails
+   1 (*ms)
+    Error: test
+        *
+        *
+        *
+        *
+
+ afterEach context when test fails (*ms)
+
  afterEach throws and test fails
    1 (*ms)
     Error: test
@@ -315,10 +329,10 @@
  before 2 called
  after 1 called
  after 2 called
- tests 39
+ tests 43
  suites 9
- pass 14
- fail 22
+ pass 16
+ fail 24
  cancelled 3
  skipped 0
  todo 0
@@ -551,6 +565,14 @@
       *
       *
 
+*
+ 1 (*ms)
+  Error: test
+      *
+      *
+      *
+      *
+
 *
  1 (*ms)
   Error: test

test/fixtures/test-runner/output/junit_reporter.snapshot

@@ -155,6 +155,7 @@ true !== false
 		<testcase name="+sync throw fail" time="*" classname="test" failure="thrown from subtest sync throw fail">
 			<failure type="testCodeFailure" message="thrown from subtest sync throw fail">
 Error [ERR_TEST_FAILURE]: thrown from subtest sync throw fail
+    *
     * {
   code: 'ERR_TEST_FAILURE',
   failureType: 'testCodeFailure',
@@ -338,6 +339,7 @@ Error [ERR_TEST_FAILURE]: thrown from callback async throw
 		<testcase name="sync throw fails at first" time="*" classname="test" failure="thrown from subtest sync throw fails at first">
 			<failure type="testCodeFailure" message="thrown from subtest sync throw fails at first">
 Error [ERR_TEST_FAILURE]: thrown from subtest sync throw fails at first
+    *
     * {
   code: 'ERR_TEST_FAILURE',
   failureType: 'testCodeFailure',