blob: 5fa9778d8eace4105ee5437cb82c1eae84af526c [file] [log] [blame]
// 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/io.dart';
import 'package:flutter_tools/src/base/logger.dart';
import 'package:test/test.dart';
import '../src/context.dart';
import '../src/mocks.dart';
void main() {
group('AppContext', () {
test('error', () async {
final BufferLogger mockLogger = new BufferLogger();
final VerboseLogger verboseLogger = new VerboseLogger(mockLogger);
verboseLogger.supportsColor = false;
verboseLogger.printStatus('Hey Hey Hey Hey');
verboseLogger.printTrace('Oooh, I do I do I do');
verboseLogger.printError('Helpless!');
expect(mockLogger.statusText, matches(r'^\[ (?: {0,2}\+[0-9]{1,3} ms| )\] Hey Hey Hey Hey\n'
r'\[ (?: {0,2}\+[0-9]{1,3} ms| )\] Oooh, I do I do I do\n$'));
expect(mockLogger.traceText, '');
expect(mockLogger.errorText, matches(r'^\[ (?: {0,2}\+[0-9]{1,3} ms| )\] Helpless!\n$'));
});
});
group('Spinners', () {
MockStdio mockStdio;
AnsiSpinner ansiSpinner;
AnsiStatus ansiStatus;
int called;
final RegExp secondDigits = new RegExp(r'[^\b]\b\b\b\b\b[0-9]+[.][0-9]+(?:s|ms)');
setUp(() {
mockStdio = new MockStdio();
ansiSpinner = new AnsiSpinner();
called = 0;
ansiStatus = new AnsiStatus('Hello world', true, () => called++, 20);
});
List<String> outputLines() => mockStdio.writtenToStdout.join('').split('\n');
Future<void> doWhile(bool doThis()) async {
return Future.doWhile(() async {
// Future.doWhile() isn't enough by itself, because the VM never gets
// around to scheduling the other tasks for some reason.
await new Future<void>.delayed(const Duration(milliseconds: 0));
return doThis();
});
}
testUsingContext('AnsiSpinner works', () async {
ansiSpinner.start();
await doWhile(() => ansiSpinner.ticks < 10);
List<String> lines = outputLines();
expect(lines[0], startsWith(' \b-\b\\\b|\b/\b-\b\\\b|\b/'));
expect(lines[0].endsWith('\n'), isFalse);
expect(lines.length, equals(1));
ansiSpinner.stop();
lines = outputLines();
expect(lines[0], endsWith('\b \b'));
expect(lines.length, equals(1));
// Verify that stopping multiple times doesn't clear multiple times.
ansiSpinner.stop();
lines = outputLines();
expect(lines[0].endsWith('\b \b '), isFalse);
expect(lines.length, equals(1));
ansiSpinner.cancel();
lines = outputLines();
expect(lines[0].endsWith('\b \b '), isFalse);
expect(lines.length, equals(1));
}, overrides: <Type, Generator>{Stdio: () => mockStdio});
testUsingContext('AnsiStatus works when cancelled', () async {
ansiStatus.start();
await doWhile(() => ansiStatus.ticks < 10);
List<String> lines = outputLines();
expect(lines[0], startsWith('Hello world \b-\b\\\b|\b/\b-\b\\\b|\b/\b-'));
expect(lines[0].endsWith('\n'), isFalse);
expect(lines.length, equals(1));
ansiStatus.cancel();
lines = outputLines();
expect(lines[0], endsWith('\b \b'));
expect(lines.length, equals(2));
expect(called, equals(1));
ansiStatus.cancel();
lines = outputLines();
expect(lines[0].endsWith('\b \b\b \b'), isFalse);
expect(lines.length, equals(2));
expect(called, equals(1));
ansiStatus.stop();
lines = outputLines();
expect(lines[0].endsWith('\b \b\b \b'), isFalse);
expect(lines.length, equals(2));
expect(called, equals(1));
}, overrides: <Type, Generator>{Stdio: () => mockStdio});
testUsingContext('AnsiStatus works when stopped', () async {
ansiStatus.start();
await doWhile(() => ansiStatus.ticks < 10);
List<String> lines = outputLines();
expect(lines[0], startsWith('Hello world \b-\b\\\b|\b/\b-\b\\\b|\b/\b-'));
expect(lines.length, equals(1));
// Verify a stop prints the time.
ansiStatus.stop();
lines = outputLines();
List<Match> matches = secondDigits.allMatches(lines[0]).toList();
expect(matches, isNotNull);
expect(matches, hasLength(1));
Match match = matches.first;
expect(lines[0], endsWith(match.group(0)));
final String initialTime = match.group(0);
expect(called, equals(1));
expect(lines.length, equals(2));
expect(lines[1], equals(''));
// Verify stopping more than once generates no additional output.
ansiStatus.stop();
lines = outputLines();
matches = secondDigits.allMatches(lines[0]).toList();
expect(matches, hasLength(1));
match = matches.first;
expect(lines[0], endsWith(initialTime));
expect(called, equals(1));
expect(lines.length, equals(2));
expect(lines[1], equals(''));
}, overrides: <Type, Generator>{Stdio: () => mockStdio});
testUsingContext('AnsiStatus works when cancelled', () async {
ansiStatus.start();
await doWhile(() => ansiStatus.ticks < 10);
List<String> lines = outputLines();
expect(lines[0], startsWith('Hello world \b-\b\\\b|\b/\b-\b\\\b|\b/\b-'));
expect(lines.length, equals(1));
// Verify a cancel does _not_ print the time and prints a newline.
ansiStatus.cancel();
lines = outputLines();
List<Match> matches = secondDigits.allMatches(lines[0]).toList();
expect(matches, isEmpty);
expect(lines[0], endsWith('\b \b'));
expect(called, equals(1));
// TODO(jcollins-g): Consider having status objects print the newline
// when canceled, or never printing a newline at all.
expect(lines.length, equals(2));
// Verifying calling stop after cancel doesn't print anything weird.
ansiStatus.stop();
lines = outputLines();
matches = secondDigits.allMatches(lines[0]).toList();
expect(matches, isEmpty);
expect(lines[0], endsWith('\b \b'));
expect(called, equals(1));
expect(lines[0], isNot(endsWith('\b \b\b \b')));
expect(lines.length, equals(2));
}, overrides: <Type, Generator>{Stdio: () => mockStdio});
});
}