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[tool] Conditionalize color on stdout (#4436)

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Refactors colorization to a centralized utility file, and makes it all conditional on `stdout` having ANSI escape support. This makes the output more readable on LUCI, which unlike the Cirrus log display doesn't handle ANSI.

Fixes https://github.com/flutter/flutter/issues/89392
This commit is contained in:
stuartmorgan
2023-07-11 15:02:59 -04:00
committed by GitHub
parent 404084cb0a
commit 28c419d2ab
35 changed files with 187 additions and 26 deletions
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8
script/tool/test/common/package_looping_command_test.dart
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@ -9,6 +9,7 @@ import 'package:args/command_runner.dart';
import 'package:file/file.dart';
import 'package:file/memory.dart';
import 'package:flutter_plugin_tools/src/common/core.dart';
import 'package:flutter_plugin_tools/src/common/output_utils.dart';
import 'package:flutter_plugin_tools/src/common/package_looping_command.dart';
import 'package:mockito/mockito.dart';
import 'package:test/test.dart';
@ -82,6 +83,8 @@ void main() {
late Directory thirdPartyPackagesDir;
setUp(() {
// Correct color handling is part of the behavior being tested here.
useColorForOutput = true;
fileSystem = MemoryFileSystem();
mockPlatform = MockPlatform();
packagesDir = createPackagesDirectory(fileSystem: fileSystem);
@ -90,6 +93,11 @@ void main() {
.childDirectory('packages');
});
tearDown(() {
// Restore the default behavior.
useColorForOutput = io.stdout.supportsAnsiEscapes;
});
/// Creates a TestPackageLoopingCommand instance that uses [gitDiffResponse]
/// for git diffs, and logs output to [printOutput].
TestPackageLoopingCommand createTestCommand({