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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/file_system.dart';
import 'package:flutter_tools/src/base/io.dart';
import 'package:flutter_tools/src/base/logger.dart';
import 'package:flutter_tools/src/base/process.dart';
import 'package:flutter_tools/src/base/terminal.dart';
import '../src/common.dart';
import 'test_utils.dart';
const String _kInitialVersion = '3.0.0';
const String _kBranch = 'beta';
final Stdio stdio = Stdio();
final BufferLogger logger = BufferLogger.test(
terminal: AnsiTerminal(
platform: platform,
stdio: stdio,
),
outputPreferences: OutputPreferences.test(wrapText: true),
);
final ProcessUtils processUtils = ProcessUtils(processManager: processManager, logger: logger);
final String flutterBin = fileSystem.path.join(getFlutterRoot(), 'bin', platform.isWindows ? 'flutter.bat' : 'flutter');
/// A test for flutter upgrade & downgrade that checks out a parallel flutter repo.
void main() {
late Directory parentDirectory;
setUp(() {
parentDirectory = fileSystem.systemTempDirectory
.createTempSync('flutter_tools.');
parentDirectory.createSync(recursive: true);
});
tearDown(() {
tryToDelete(parentDirectory);
});
testWithoutContext('Can upgrade and downgrade a Flutter checkout', () async {
final Directory testDirectory = parentDirectory.childDirectory('flutter');
testDirectory.createSync(recursive: true);
// Enable longpaths for windows integration test.
await processManager.run(<String>[
'git', 'config', '--system', 'core.longpaths', 'true',
]);
void checkExitCode(int code) {
expect(
exitCode,
0,
reason: '''
trace:
${logger.traceText}
status:
${logger.statusText}
error:
${logger.errorText}''',
);
}
printOnFailure('Step 1 - clone the $_kBranch of flutter into the test directory');
exitCode = await processUtils.stream(<String>[
'git',
'clone',
'https://github.com/flutter/flutter.git',
], workingDirectory: parentDirectory.path, trace: true);
checkExitCode(exitCode);
printOnFailure('Step 2 - switch to the $_kBranch');
exitCode = await processUtils.stream(<String>[
'git',
'checkout',
'--track',
'-b',
_kBranch,
'origin/$_kBranch',
], workingDirectory: testDirectory.path, trace: true);
checkExitCode(exitCode);
printOnFailure('Step 3 - revert back to $_kInitialVersion');
exitCode = await processUtils.stream(<String>[
'git',
'reset',
'--hard',
_kInitialVersion,
], workingDirectory: testDirectory.path, trace: true);
checkExitCode(exitCode);
printOnFailure('Step 4 - upgrade to the newest $_kBranch');
// This should update the persistent tool state with the sha for HEAD
// This is probably a source of flakes as it mutates system-global state.
exitCode = await processUtils.stream(<String>[
flutterBin,
'upgrade',
'--verbose',
'--working-directory=${testDirectory.path}',
// we intentionally run this in a directory outside the test repo to
// verify the tool overrides the working directory when invoking git
], workingDirectory: parentDirectory.path, trace: true);
checkExitCode(exitCode);
printOnFailure('Step 5 - verify that the version is different');
final RunResult versionResult = await processUtils.run(<String>[
'git',
'describe',
'--match',
'*.*.*',
'--long',
'--tags',
], workingDirectory: testDirectory.path);
expect(versionResult.stdout, isNot(contains(_kInitialVersion)));
printOnFailure('current version is ${versionResult.stdout.trim()}\ninitial was $_kInitialVersion');
printOnFailure('Step 6 - downgrade back to the initial version');
exitCode = await processUtils.stream(<String>[
flutterBin,
'downgrade',
'--no-prompt',
'--working-directory=${testDirectory.path}',
], workingDirectory: parentDirectory.path, trace: true);
checkExitCode(exitCode);
printOnFailure('Step 7 - verify downgraded version matches original version');
final RunResult oldVersionResult = await processUtils.run(<String>[
'git',
'describe',
'--match',
'*.*.*',
'--long',
'--tags',
], workingDirectory: testDirectory.path);
expect(oldVersionResult.stdout, contains(_kInitialVersion));
printOnFailure('current version is ${oldVersionResult.stdout.trim()}\ninitial was $_kInitialVersion');
});
}