test_runner: pass FORCE_COLOR to child process

PR-URL: #48057
Backport-PR-URL: #48684
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>

Author: MoLow

lib/internal/test_runner/harness.js

@@ -177,6 +177,7 @@ function setup(root) {
 topLevel: 0,
 suites: 0,
 },
+shouldColorizeTestFiles: false,
 };
 root.startTime=hrtime();
 returnroot;

lib/internal/test_runner/runner.js

@@ -351,6 +351,9 @@ function runTestFile(path, root, inspectPort, filesWatcher, testNamePatterns) {
 stdio.push('ipc');
 env.WATCH_REPORT_DEPENDENCIES='1';
 }
+if(root.harness.shouldColorizeTestFiles){
+env.FORCE_COLOR='1';
+}
 
 constchild=spawn(process.execPath,args,{signal: t.signal,encoding: 'utf8', env, stdio });
 if(watchMode){

lib/internal/test_runner/utils.js

@@ -17,7 +17,7 @@ const { createWriteStream } = require('fs');
 const{ pathToFileURL }=require('internal/url');
 const{ createDeferredPromise }=require('internal/util');
 const{ getOptionValue }=require('internal/options');
-const{ green, red, white }=require('internal/util/colors');
+const{ green, red, white, shouldColorize}=require('internal/util/colors');
 
 const{
 codes: {
@@ -116,9 +116,10 @@ function tryBuiltinReporter(name) {
 returnrequire(builtinPath);
 }
 
-asyncfunctiongetReportersMap(reporters,destinations){
+asyncfunctiongetReportersMap(reporters,destinations,rootTest){
 returnSafePromiseAllReturnArrayLike(reporters,async(name,i)=>{
 constdestination=kBuiltinDestinations.get(destinations[i])??createWriteStream(destinations[i]);
+rootTest.harness.shouldColorizeTestFiles||=shouldColorize(destination);
 
 // Load the test reporter passed to --test-reporter
 letreporter=tryBuiltinReporter(name);
@@ -155,7 +156,7 @@ async function getReportersMap(reporters, destinations) {
 
 asyncfunctionsetupTestReporters(rootTest){
 const{ reporters, destinations }=parseCommandLine();
-constreportersMap=awaitgetReportersMap(reporters,destinations);
+constreportersMap=awaitgetReportersMap(reporters,destinations,rootTest);
 for(leti=0;i<reportersMap.length;i++){
 const{ reporter, destination }=reportersMap[i];
 compose(rootTest.reporter,reporter).pipe(destination);

test/fixtures/test-runner/output/arbitrary-output-colored-1.js

@@ -0,0 +1,7 @@
+'use strict';
+
+consttest=require('node:test');
+console.log({foo: 'bar'});
+test('passing test',()=>{
+console.log(1);
+});

test/fixtures/test-runner/output/arbitrary-output-colored.js

@@ -0,0 +1,11 @@
+'use strict';
+constcommon=require('../../../common');
+const{ once }=require('node:events');
+const{ spawn }=require('node:child_process');
+constfixtures=require('../../../common/fixtures');
+
+(asyncfunctionrun(){
+consttest=fixtures.path('test-runner/output/arbitrary-output-colored-1.js');
+awaitonce(spawn(process.execPath,['--test',test],{stdio: 'inherit',env: {FORCE_COLOR: 1}}),'exit');
+awaitonce(spawn(process.execPath,['--test','--test-reporter','tap',test],{stdio: 'inherit',env: {FORCE_COLOR: 1}}),'exit');
+})().then(common.mustCall());

test/fixtures/test-runner/output/arbitrary-output-colored.snapshot

@@ -0,0 +1,32 @@
+{ foo: [32m'bar'[39m }
+
+[33m1[39m
+
+[32m✔ passing test [90m(*ms)[39m[39m
+[34mℹ tests 1[39m
+[34mℹ suites 0[39m
+[34mℹ pass 1[39m
+[34mℹ fail 0[39m
+[34mℹ cancelled 0[39m
+[34mℹ skipped 0[39m
+[34mℹ todo 0[39m
+[34mℹ duration_ms *[39m
+TAP version 13
+# { foo: [32m'bar'[39m }
+# 
+# [33m1[39m
+# 
+# Subtest: passing test
+ok 1 - passing test
+ ---
+ duration_ms: *
+ ...
+1..1
+# tests 1
+# suites 0
+# pass 1
+# fail 0
+# cancelled 0
+# skipped 0
+# todo 0
+# duration_ms *

test/parallel/test-runner-output.mjs

@@ -3,6 +3,10 @@ import * as fixtures from '../common/fixtures.mjs';
 import*assnapshotfrom'../common/assertSnapshot.js';
 import{describe,it}from'node:test';
 
+constskipForceColors=
+process.config.variables.icu_gyp_path!=='tools/icu/icu-generic.gyp'||
+process.config.variables.node_shared_openssl;
+
 functionreplaceTestDuration(str){
 returnstr
 .replaceAll(/duration_ms:0(\r?\n)/g,'duration_ms: ZERO$1')
@@ -46,8 +50,14 @@ const tests = [
 {name: 'test-runner/output/unresolved_promise.js'},
 {name: 'test-runner/output/default_output.js',transform: specTransform,tty: true},
 {name: 'test-runner/output/arbitrary-output.js'},
+!skipForceColors ? {
+name: 'test-runner/output/arbitrary-output-colored.js',
+transform: snapshot.transform(specTransform,replaceTestDuration),tty: true
+} : false,
 {name: 'test-runner/output/dot_output_custom_columns.js',transform: specTransform,tty: true},
-].map(({ name, tty, transform })=>({
+]
+.filter(Boolean)
+.map(({ name, tty, transform })=>({
  name,
 fn: common.mustCall(async()=>{
 awaitsnapshot.spawnAndAssert(fixtures.path(name),transform??defaultTransform,{ tty });