test_runner: simplify hook running logic

This commit removes some asynchronous logic from the runHook()
method and replaces ArrayPrototypeReduce() with a for loop.

PR-URL: #55963
Reviewed-By: Pietro Marchini <[email protected]>
Reviewed-By: James M Snell <[email protected]>
Reviewed-By: Chemi Atlow <[email protected]>
Reviewed-By: Antoine du Hamel <[email protected]>

Author: cjihrig

lib/internal/test_runner/test.js

@@ -2,7 +2,6 @@
 const {
   ArrayPrototypePush,
   ArrayPrototypePushApply,
-  ArrayPrototypeReduce,
   ArrayPrototypeShift,
   ArrayPrototypeSlice,
   ArrayPrototypeSome,
@@ -846,13 +845,14 @@ class Test extends AsyncResource {
   async runHook(hook, args) {
     validateOneOf(hook, 'hook name', kHookNames);
     try {
-      await ArrayPrototypeReduce(this.hooks[hook], async (prev, hook) => {
-        await prev;
+      const hooks = this.hooks[hook];
+      for (let i = 0; i < hooks.length; ++i) {
+        const hook = hooks[i];
         await hook.run(args);
         if (hook.error) {
           throw hook.error;
         }
-      }, PromiseResolve());
+      }
     } catch (err) {
       const error = new ERR_TEST_FAILURE(`failed running ${hook} hook`, kHookFailure);
       error.cause = isTestFailureError(err) ? err.cause : err;

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

@@ -101,7 +101,7 @@ not ok 2 - 2 after describe
         *
         *
         *
-        async Promise.all (index 0)
+        *
       ...
     # Subtest: test 2
     not ok 2 - test 2
@@ -122,7 +122,7 @@ not ok 2 - 2 after describe
         *
         *
         *
-        async Promise.all (index 0)
+        *
       ...
     1..2
 not ok 3 - 3 beforeEach describe

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

@@ -21,7 +21,6 @@ not ok 2 - /test/fixtures/test-runner/output/global_after_should_fail_the_test.j
     *
     *
     *
-    *
   ...
 1..1
 # tests 1

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

@@ -77,7 +77,6 @@ not ok 3 - before throws
     *
     *
     *
-    *
   ...
 # Subtest: before throws - no subtests
 not ok 4 - before throws - no subtests
@@ -97,7 +96,6 @@ not ok 4 - before throws - no subtests
     *
     *
     *
-    *
   ...
 # Subtest: after throws
     # Subtest: 1
@@ -129,6 +127,7 @@ not ok 5 - after throws
     *
     *
     *
+    *
   ...
 # Subtest: after throws - no subtests
 not ok 6 - after throws - no subtests
@@ -149,6 +148,7 @@ not ok 6 - after throws - no subtests
     *
     *
     *
+    *
   ...
 # Subtest: beforeEach throws
     # Subtest: 1
@@ -167,9 +167,9 @@ not ok 6 - after throws - no subtests
         *
         *
         *
-        async Promise.all (index 0)
         *
         *
+        new Promise (<anonymous>)
       ...
     # Subtest: 2
     not ok 2 - 2
@@ -188,6 +188,8 @@ not ok 6 - after throws - no subtests
         *
         *
         *
+        *
+        async Promise.all (index 0)
       ...
     1..2
 not ok 7 - beforeEach throws
@@ -482,7 +484,6 @@ not ok 15 - t.after throws
     *
     *
     *
-    *
   ...
 # Subtest: t.after throws - no subtests
 not ok 16 - t.after throws - no subtests
@@ -502,7 +503,6 @@ not ok 16 - t.after throws - no subtests
     *
     *
     *
-    *
   ...
 # Subtest: t.beforeEach throws
     # Subtest: 1
@@ -765,7 +765,6 @@ not ok 24 - run after when before throws
     *
     *
     *
-    *
   ...
 # Subtest: test hooks - async
     # Subtest: 1

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

@@ -26,7 +26,6 @@
       *
       *
       *
-      *
 
  before throws - no subtests (*ms)
   Error: before
@@ -38,7 +37,6 @@
       *
       *
       *
-      *
 
  after throws
    1 (*ms)
@@ -55,6 +53,7 @@
       *
       *
       *
+      *
 
  after throws - no subtests (*ms)
   Error: after
@@ -67,6 +66,7 @@
       *
       *
       *
+      *
 
  beforeEach throws
    1 (*ms)
@@ -78,9 +78,9 @@
         *
         *
         *
-        at async Promise.all (index 0)
         *
         *
+        at new Promise (<anonymous>)
 
    2 (*ms)
     Error: beforeEach
@@ -92,6 +92,8 @@
         *
         *
         *
+        *
+        at async Promise.all (index 0)
 
  beforeEach throws (*ms)
  afterEach throws
@@ -242,7 +244,6 @@
       *
       *
       *
-      *
 
  t.after throws - no subtests (*ms)
   Error: after
@@ -255,7 +256,6 @@
       *
       *
       *
-      *
 
  t.beforeEach throws
    1 (*ms)
@@ -390,7 +390,6 @@
       *
       *
       *
-      *
 
  test hooks - async
    1 (*ms)
@@ -430,7 +429,6 @@
       *
       *
       *
-      *
 
 *
  before throws - no subtests (*ms)
@@ -443,7 +441,6 @@
       *
       *
       *
-      *
 
 *
  after throws (*ms)
@@ -457,6 +454,7 @@
       *
       *
       *
+      *
 
 *
  after throws - no subtests (*ms)
@@ -470,6 +468,7 @@
       *
       *
       *
+      *
 
 *
  1 (*ms)
@@ -481,9 +480,9 @@
       *
       *
       *
-      at async Promise.all (index 0)
       *
       *
+      at new Promise (<anonymous>)
 
 *
  2 (*ms)
@@ -496,6 +495,8 @@
       *
       *
       *
+      *
+      at async Promise.all (index 0)
 
 *
  1 (*ms)
@@ -633,7 +634,6 @@
       *
       *
       *
-      *
 
 *
  t.after throws - no subtests (*ms)
@@ -647,7 +647,6 @@
       *
       *
       *
-      *
 
 *
  1 (*ms)
@@ -776,4 +775,3 @@
       *
       *
       *
-      *