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// Copyright 2014 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import 'package:flutter_tools/src/base/io.dart';
import 'package:flutter_tools/src/base/logger.dart';
import 'package:flutter_tools/src/base/platform.dart';
import 'package:flutter_tools/src/base/terminal.dart';
import 'package:test/fake.dart';
import '../../src/common.dart';
void main() {
group('output preferences', () {
testWithoutContext('can wrap output', () async {
final BufferLogger bufferLogger = BufferLogger(
outputPreferences: OutputPreferences.test(wrapText: true, wrapColumn: 40),
terminal: TestTerminal(platform: FakePlatform()..stdoutSupportsAnsi = true),
);
bufferLogger.printStatus('0123456789' * 8);
expect(bufferLogger.statusText, equals(('${'0123456789' * 4}\n') * 2));
});
testWithoutContext('can turn off wrapping', () async {
final BufferLogger bufferLogger = BufferLogger(
outputPreferences: OutputPreferences.test(),
terminal: TestTerminal(platform: FakePlatform()..stdoutSupportsAnsi = true),
);
final String testString = '0123456789' * 20;
bufferLogger.printStatus(testString);
expect(bufferLogger.statusText, equals('$testString\n'));
});
});
group('ANSI coloring and bold', () {
late AnsiTerminal terminal;
setUp(() {
terminal = AnsiTerminal(
stdio: Stdio(), // Danger, using real stdio.
platform: FakePlatform()..stdoutSupportsAnsi = true,
);
});
testWithoutContext('adding colors works', () {
for (final TerminalColor color in TerminalColor.values) {
expect(
terminal.color('output', color),
equals('${AnsiTerminal.colorCode(color)}output${AnsiTerminal.resetColor}'),
);
}
});
testWithoutContext('adding bold works', () {
expect(
terminal.bolden('output'),
equals('${AnsiTerminal.bold}output${AnsiTerminal.resetBold}'),
);
});
testWithoutContext('nesting bold within color works', () {
expect(
terminal.color(terminal.bolden('output'), TerminalColor.blue),
equals('${AnsiTerminal.blue}${AnsiTerminal.bold}output${AnsiTerminal.resetBold}${AnsiTerminal.resetColor}'),
);
expect(
terminal.color('non-bold ${terminal.bolden('output')} also non-bold', TerminalColor.blue),
equals('${AnsiTerminal.blue}non-bold ${AnsiTerminal.bold}output${AnsiTerminal.resetBold} also non-bold${AnsiTerminal.resetColor}'),
);
});
testWithoutContext('nesting color within bold works', () {
expect(
terminal.bolden(terminal.color('output', TerminalColor.blue)),
equals('${AnsiTerminal.bold}${AnsiTerminal.blue}output${AnsiTerminal.resetColor}${AnsiTerminal.resetBold}'),
);
expect(
terminal.bolden('non-color ${terminal.color('output', TerminalColor.blue)} also non-color'),
equals('${AnsiTerminal.bold}non-color ${AnsiTerminal.blue}output${AnsiTerminal.resetColor} also non-color${AnsiTerminal.resetBold}'),
);
});
testWithoutContext('nesting color within color works', () {
expect(
terminal.color(terminal.color('output', TerminalColor.blue), TerminalColor.magenta),
equals('${AnsiTerminal.magenta}${AnsiTerminal.blue}output${AnsiTerminal.resetColor}${AnsiTerminal.magenta}${AnsiTerminal.resetColor}'),
);
expect(
terminal.color('magenta ${terminal.color('output', TerminalColor.blue)} also magenta', TerminalColor.magenta),
equals('${AnsiTerminal.magenta}magenta ${AnsiTerminal.blue}output${AnsiTerminal.resetColor}${AnsiTerminal.magenta} also magenta${AnsiTerminal.resetColor}'),
);
});
testWithoutContext('nesting bold within bold works', () {
expect(
terminal.bolden(terminal.bolden('output')),
equals('${AnsiTerminal.bold}output${AnsiTerminal.resetBold}'),
);
expect(
terminal.bolden('bold ${terminal.bolden('output')} still bold'),
equals('${AnsiTerminal.bold}bold output still bold${AnsiTerminal.resetBold}'),
);
});
});
group('character input prompt', () {
late AnsiTerminal terminalUnderTest;
setUp(() {
terminalUnderTest = TestTerminal(stdio: FakeStdio());
});
testWithoutContext('character prompt throws if usesTerminalUi is false', () async {
expect(terminalUnderTest.promptForCharInput(
<String>['a', 'b', 'c'],
prompt: 'Please choose something',
logger: BufferLogger.test(),
), throwsStateError);
});
testWithoutContext('character prompt', () async {
final BufferLogger bufferLogger = BufferLogger(
terminal: terminalUnderTest,
outputPreferences: OutputPreferences.test(),
);
terminalUnderTest.usesTerminalUi = true;
mockStdInStream = Stream<String>.fromFutures(<Future<String>>[
Future<String>.value('d'), // Not in accepted list.
Future<String>.value('\n'), // Not in accepted list
Future<String>.value('b'),
]).asBroadcastStream();
final String choice = await terminalUnderTest.promptForCharInput(
<String>['a', 'b', 'c'],
prompt: 'Please choose something',
logger: bufferLogger,
);
expect(choice, 'b');
expect(
bufferLogger.statusText,
'Please choose something [a|b|c]: d\n'
'Please choose something [a|b|c]: \n'
'Please choose something [a|b|c]: b\n');
});
testWithoutContext('default character choice without displayAcceptedCharacters', () async {
final BufferLogger bufferLogger = BufferLogger(
terminal: terminalUnderTest,
outputPreferences: OutputPreferences.test(),
);
terminalUnderTest.usesTerminalUi = true;
mockStdInStream = Stream<String>.fromFutures(<Future<String>>[
Future<String>.value('\n'), // Not in accepted list
]).asBroadcastStream();
final String choice = await terminalUnderTest.promptForCharInput(
<String>['a', 'b', 'c'],
prompt: 'Please choose something',
displayAcceptedCharacters: false,
defaultChoiceIndex: 1, // which is b.
logger: bufferLogger,
);
expect(choice, 'b');
expect(
bufferLogger.statusText,
'Please choose something: \n'
);
});
testWithoutContext('Does not set single char mode when a terminal is not attached', () {
final Stdio stdio = FakeStdio()
..stdinHasTerminal = false;
final AnsiTerminal ansiTerminal = AnsiTerminal(
stdio: stdio,
platform: const LocalPlatform(),
);
expect(() => ansiTerminal.singleCharMode = true, returnsNormally);
});
});
testWithoutContext('AnsiTerminal.preferredStyle', () {
final Stdio stdio = FakeStdio();
expect(AnsiTerminal(stdio: stdio, platform: const LocalPlatform()).preferredStyle, 0); // Defaults to 0 for backwards compatibility.
expect(AnsiTerminal(stdio: stdio, platform: const LocalPlatform(), now: DateTime(2018)).preferredStyle, 0);
expect(AnsiTerminal(stdio: stdio, platform: const LocalPlatform(), now: DateTime(2018, 1, 2)).preferredStyle, 1);
expect(AnsiTerminal(stdio: stdio, platform: const LocalPlatform(), now: DateTime(2018, 1, 3)).preferredStyle, 2);
expect(AnsiTerminal(stdio: stdio, platform: const LocalPlatform(), now: DateTime(2018, 1, 4)).preferredStyle, 3);
expect(AnsiTerminal(stdio: stdio, platform: const LocalPlatform(), now: DateTime(2018, 1, 5)).preferredStyle, 4);
expect(AnsiTerminal(stdio: stdio, platform: const LocalPlatform(), now: DateTime(2018, 1, 6)).preferredStyle, 5);
expect(AnsiTerminal(stdio: stdio, platform: const LocalPlatform(), now: DateTime(2018, 1, 7)).preferredStyle, 5);
expect(AnsiTerminal(stdio: stdio, platform: const LocalPlatform(), now: DateTime(2018, 1, 8)).preferredStyle, 0);
expect(AnsiTerminal(stdio: stdio, platform: const LocalPlatform(), now: DateTime(2018, 1, 9)).preferredStyle, 1);
expect(AnsiTerminal(stdio: stdio, platform: const LocalPlatform(), now: DateTime(2018, 1, 10)).preferredStyle, 2);
expect(AnsiTerminal(stdio: stdio, platform: const LocalPlatform(), now: DateTime(2018, 1, 11)).preferredStyle, 3);
expect(AnsiTerminal(stdio: stdio, platform: const LocalPlatform(), now: DateTime(2018, 1, 1, 1)).preferredStyle, 0);
expect(AnsiTerminal(stdio: stdio, platform: const LocalPlatform(), now: DateTime(2018, 1, 2, 1)).preferredStyle, 1);
expect(AnsiTerminal(stdio: stdio, platform: const LocalPlatform(), now: DateTime(2018, 1, 3, 1)).preferredStyle, 2);
expect(AnsiTerminal(stdio: stdio, platform: const LocalPlatform(), now: DateTime(2018, 1, 4, 1)).preferredStyle, 3);
expect(AnsiTerminal(stdio: stdio, platform: const LocalPlatform(), now: DateTime(2018, 1, 5, 1)).preferredStyle, 4);
expect(AnsiTerminal(stdio: stdio, platform: const LocalPlatform(), now: DateTime(2018, 1, 6, 1)).preferredStyle, 6);
expect(AnsiTerminal(stdio: stdio, platform: const LocalPlatform(), now: DateTime(2018, 1, 7, 1)).preferredStyle, 6);
expect(AnsiTerminal(stdio: stdio, platform: const LocalPlatform(), now: DateTime(2018, 1, 8, 1)).preferredStyle, 0);
expect(AnsiTerminal(stdio: stdio, platform: const LocalPlatform(), now: DateTime(2018, 1, 9, 1)).preferredStyle, 1);
expect(AnsiTerminal(stdio: stdio, platform: const LocalPlatform(), now: DateTime(2018, 1, 10, 1)).preferredStyle, 2);
expect(AnsiTerminal(stdio: stdio, platform: const LocalPlatform(), now: DateTime(2018, 1, 11, 1)).preferredStyle, 3);
expect(AnsiTerminal(stdio: stdio, platform: const LocalPlatform(), now: DateTime(2018, 1, 1, 23)).preferredStyle, 0);
expect(AnsiTerminal(stdio: stdio, platform: const LocalPlatform(), now: DateTime(2018, 1, 2, 23)).preferredStyle, 1);
expect(AnsiTerminal(stdio: stdio, platform: const LocalPlatform(), now: DateTime(2018, 1, 3, 23)).preferredStyle, 2);
expect(AnsiTerminal(stdio: stdio, platform: const LocalPlatform(), now: DateTime(2018, 1, 4, 23)).preferredStyle, 3);
expect(AnsiTerminal(stdio: stdio, platform: const LocalPlatform(), now: DateTime(2018, 1, 5, 23)).preferredStyle, 4);
expect(AnsiTerminal(stdio: stdio, platform: const LocalPlatform(), now: DateTime(2018, 1, 6, 23)).preferredStyle, 28);
expect(AnsiTerminal(stdio: stdio, platform: const LocalPlatform(), now: DateTime(2018, 1, 7, 23)).preferredStyle, 28);
expect(AnsiTerminal(stdio: stdio, platform: const LocalPlatform(), now: DateTime(2018, 1, 8, 23)).preferredStyle, 0);
expect(AnsiTerminal(stdio: stdio, platform: const LocalPlatform(), now: DateTime(2018, 1, 9, 23)).preferredStyle, 1);
expect(AnsiTerminal(stdio: stdio, platform: const LocalPlatform(), now: DateTime(2018, 1, 10, 23)).preferredStyle, 2);
expect(AnsiTerminal(stdio: stdio, platform: const LocalPlatform(), now: DateTime(2018, 1, 11, 23)).preferredStyle, 3);
});
}
late Stream<String> mockStdInStream;
class TestTerminal extends AnsiTerminal {
TestTerminal({
Stdio? stdio,
super.platform = const LocalPlatform(),
DateTime? now,
}) : super(stdio: stdio ?? Stdio(), now: now ?? DateTime(2018));
@override
Stream<String> get keystrokes {
return mockStdInStream;
}
@override
bool singleCharMode = false;
@override
int get preferredStyle => 0;
}
class FakeStdio extends Fake implements Stdio {
@override
bool stdinHasTerminal = false;
}