test: split test-runner-output

This test has been flaky for months. As it squeezes too many
independent test cases together in one file, split this up
before marking any persistent flaky cases as flaky, to avoid
masking regressions in other non-flaky cases.

Author: joyeecheung

test/parallel/test-runner-output.mjs

@@ -0,0 +1,12 @@
+// Flags: --expose-internals
+// Test that the output of test-runner/output/abort_hooks.js matches test-runner/output/abort_hooks.snapshot
+import '../common/index.mjs';
+import * as fixtures from '../common/fixtures.mjs';
+import { spawnAndAssert, defaultTransform, ensureCwdIsProjectRoot } from '../common/assertSnapshot.js';
+
+ensureCwdIsProjectRoot();
+await spawnAndAssert(
+  fixtures.path('test-runner/output/abort_hooks.js'),
+  defaultTransform,
+  { flags: ['--test-reporter=tap'] },
+);

test/test-runner/test-output-abort-hooks.mjs

@@ -0,0 +1,13 @@
+// Flags: --expose-internals
+// Test that the output of test-runner/output/abort-runs-after-hook.js matches
+// test-runner/output/abort-runs-after-hook.snapshot
+import '../common/index.mjs';
+import * as fixtures from '../common/fixtures.mjs';
+import { spawnAndAssert, defaultTransform, ensureCwdIsProjectRoot } from '../common/assertSnapshot.js';
+
+ensureCwdIsProjectRoot();
+await spawnAndAssert(
+  fixtures.path('test-runner/output/abort-runs-after-hook.js'),
+  defaultTransform,
+  { flags: ['--test-reporter=tap'] },
+);

test/test-runner/test-output-abort-runs-after-hook.mjs

@@ -0,0 +1,12 @@
+// Flags: --expose-internals
+// Test that the output of test-runner/output/abort_suite.js matches test-runner/output/abort_suite.snapshot
+import '../common/index.mjs';
+import * as fixtures from '../common/fixtures.mjs';
+import { spawnAndAssert, defaultTransform, ensureCwdIsProjectRoot } from '../common/assertSnapshot.js';
+
+ensureCwdIsProjectRoot();
+await spawnAndAssert(
+  fixtures.path('test-runner/output/abort_suite.js'),
+  defaultTransform,
+  { flags: ['--test-reporter=tap'] },
+);

test/test-runner/test-output-abort-suite.mjs

@@ -0,0 +1,12 @@
+// Flags: --expose-internals
+// Test that the output of test-runner/output/abort.js matches test-runner/output/abort.snapshot
+import '../common/index.mjs';
+import * as fixtures from '../common/fixtures.mjs';
+import { spawnAndAssert, defaultTransform, ensureCwdIsProjectRoot } from '../common/assertSnapshot.js';
+
+ensureCwdIsProjectRoot();
+await spawnAndAssert(
+  fixtures.path('test-runner/output/abort.js'),
+  defaultTransform,
+  { flags: ['--test-reporter=tap'] },
+);

test/test-runner/test-output-abort.mjs

@@ -0,0 +1,28 @@
+// Flags: --expose-internals
+// Test that the output of test-runner/output/arbitrary-output-colored.js matches
+// test-runner/output/arbitrary-output-colored.snapshot
+import * as common from '../common/index.mjs';
+import * as fixtures from '../common/fixtures.mjs';
+import {
+  spawnAndAssert,
+  specTransform,
+  replaceTestDuration,
+  transform,
+  ensureCwdIsProjectRoot,
+} from '../common/assertSnapshot.js';
+
+const skipForceColors =
+  process.config.variables.icu_gyp_path !== 'tools/icu/icu-generic.gyp' ||
+  process.config.variables.node_shared_openssl;
+
+if (skipForceColors) {
+  // https://github.com/nodejs/node/pull/48057
+  common.skip('Forced colors not supported in this build');
+}
+
+ensureCwdIsProjectRoot();
+await spawnAndAssert(
+  fixtures.path('test-runner/output/arbitrary-output-colored.js'),
+  transform(specTransform, replaceTestDuration),
+  { tty: true },
+);

test/test-runner/test-output-arbitrary-output-colored.mjs

@@ -0,0 +1,13 @@
+// Flags: --expose-internals
+// Test that the output of test-runner/output/arbitrary-output.js matches
+// test-runner/output/arbitrary-output.snapshot
+import '../common/index.mjs';
+import * as fixtures from '../common/fixtures.mjs';
+import { spawnAndAssert, defaultTransform, ensureCwdIsProjectRoot } from '../common/assertSnapshot.js';
+
+ensureCwdIsProjectRoot();
+await spawnAndAssert(
+  fixtures.path('test-runner/output/arbitrary-output.js'),
+  defaultTransform,
+  { flags: ['--test-reporter=tap'] },
+);

test/test-runner/test-output-arbitrary-output.mjs

@@ -0,0 +1,17 @@
+// Flags: --expose-internals
+// Test that the output of test-runner/output/assertion-color-tty.mjs matches
+// test-runner/output/assertion-color-tty.snapshot
+import * as common from '../common/index.mjs';
+import * as fixtures from '../common/fixtures.mjs';
+import { spawnAndAssert, specTransform, canColorize, ensureCwdIsProjectRoot } from '../common/assertSnapshot.js';
+
+if (!canColorize()) {
+  common.skip('TTY colors not supported');
+}
+
+ensureCwdIsProjectRoot();
+await spawnAndAssert(
+  fixtures.path('test-runner/output/assertion-color-tty.mjs'),
+  specTransform,
+  { flags: ['--test', '--stack-trace-limit=0'], tty: true },
+);