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// Copyright 2017 The Chromium 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 'dart:async';
import 'package:flutter_tools/src/base/platform.dart';
import 'package:flutter_tools/src/base/terminal.dart';
import 'package:flutter_tools/src/globals.dart';
import '../src/common.dart';
import '../src/context.dart';
void main() {
group('output preferences', () {
testUsingContext('can wrap output', () async {
printStatus('0123456789' * 8);
expect(testLogger.statusText, equals(('0123456789' * 4 + '\n') * 2));
}, overrides: <Type, Generator>{
OutputPreferences: () => OutputPreferences(wrapText: true, wrapColumn: 40),
});
testUsingContext('can turn off wrapping', () async {
final String testString = '0123456789' * 20;
printStatus(testString);
expect(testLogger.statusText, equals('$testString\n'));
}, overrides: <Type, Generator>{
Platform: () => FakePlatform()..stdoutSupportsAnsi = true,
OutputPreferences: () => OutputPreferences(wrapText: false),
});
});
group('ANSI coloring and bold', () {
AnsiTerminal terminal;
setUp(() {
terminal = AnsiTerminal();
});
testUsingContext('adding colors works', () {
for (TerminalColor color in TerminalColor.values) {
expect(
terminal.color('output', color),
equals('${AnsiTerminal.colorCode(color)}output${AnsiTerminal.resetColor}'),
);
}
}, overrides: <Type, Generator> {
OutputPreferences: () => OutputPreferences(showColor: true),
Platform: () => FakePlatform()..stdoutSupportsAnsi = true,
});
testUsingContext('adding bold works', () {
expect(
terminal.bolden('output'),
equals('${AnsiTerminal.bold}output${AnsiTerminal.resetBold}'),
);
}, overrides: <Type, Generator> {
OutputPreferences: () => OutputPreferences(showColor: true),
Platform: () => FakePlatform()..stdoutSupportsAnsi = true,
});
testUsingContext('nesting bold within color works', () {
expect(
terminal.color(terminal.bolden('output'), TerminalColor.blue),
equals('${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${AnsiTerminal.resetColor}'),
);
}, overrides: <Type, Generator> {
OutputPreferences: () => OutputPreferences(showColor: true),
Platform: () => FakePlatform()..stdoutSupportsAnsi = true,
});
testUsingContext('nesting color within bold works', () {
expect(
terminal.bolden(terminal.color('output', TerminalColor.blue)),
equals('${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${AnsiTerminal.resetBold}'),
);
}, overrides: <Type, Generator> {
OutputPreferences: () => OutputPreferences(showColor: true),
Platform: () => FakePlatform()..stdoutSupportsAnsi = true,
});
testUsingContext('nesting color within color works', () {
expect(
terminal.color(terminal.color('output', TerminalColor.blue), TerminalColor.magenta),
equals('${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}'),
);
}, overrides: <Type, Generator> {
OutputPreferences: () => OutputPreferences(showColor: true),
Platform: () => FakePlatform()..stdoutSupportsAnsi = true,
});
testUsingContext('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}'),
);
}, overrides: <Type, Generator> {
OutputPreferences: () => OutputPreferences(showColor: true),
Platform: () => FakePlatform()..stdoutSupportsAnsi = true,
});
});
group('character input prompt', () {
AnsiTerminal terminalUnderTest;
setUp(() {
terminalUnderTest = TestTerminal();
});
testUsingContext('character prompt', () async {
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',
);
expect(choice, 'b');
expect(
testLogger.statusText,
'Please choose something [a|b|c]: d\n'
'Please choose something [a|b|c]: \n'
'\n'
'Please choose something [a|b|c]: b\n');
});
testUsingContext('default character choice without displayAcceptedCharacters', () async {
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.
);
expect(choice, 'b');
expect(
testLogger.statusText,
'Please choose something: \n'
'\n');
});
});
}
Stream<String> mockStdInStream;
class TestTerminal extends AnsiTerminal {
@override
Stream<String> get keystrokes {
return mockStdInStream;
}
}