add test

Author: chunhtai

script/tool/test/branch_for_batch_release_command_test.dart

@@ -0,0 +1,156 @@
+// Copyright 2013 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:args/command_runner.dart';
+import 'package:file/file.dart';
+import 'package:flutter_plugin_tools/src/branch_for_batch_release_command.dart';
+import 'package:flutter_plugin_tools/src/common/repository_package.dart';
+import 'package:git/git.dart';
+import 'package:test/test.dart';
+
+import 'mocks.dart';
+
+import 'util.dart';
+
+void main() {
+  late Directory packagesDir;
+  late RecordingProcessRunner processRunner;
+  late RecordingProcessRunner gitProcessRunner;
+  late CommandRunner<void> runner;
+
+  setUp(() {
+    final GitDir gitDir;
+    (:packagesDir, :processRunner, :gitProcessRunner, :gitDir) =
+        configureBaseCommandMocks();
+
+    final BranchForBatchReleaseCommand command = BranchForBatchReleaseCommand(
+      packagesDir,
+      processRunner: processRunner,
+      gitDir: gitDir,
+    );
+    runner = CommandRunner<void>('branch_for_batch_release_command',
+        'Test for branch_for_batch_release_command');
+    runner.addCommand(command);
+  });
+
+  group('happy path', () {
+    late RepositoryPackage package;
+    setUp(() {
+      package = createFakePackage('a_package', packagesDir);
+
+      package.changelogFile.writeAsStringSync('''
+## 1.0.0
+
+- Old changes
+''');
+      package.pubspecFile.writeAsStringSync('''
+name: a_package
+version: 1.0.0
+''');
+      final File pendingChangelog = package.directory
+          .childDirectory('pending_changelogs')
+          .childFile('a.yaml')
+        ..createSync(recursive: true);
+      pendingChangelog.writeAsStringSync('''
+changelog: A new feature
+version: minor
+''');
+    });
+
+    tearDown(() {
+      package.directory.deleteSync(recursive: true);
+    });
+
+    test('makes a branch', () async {
+      // Set up a mock for the git calls to have side-effects.
+      gitProcessRunner.mockProcessesForExecutable['git'] = <FakeProcessInfo>[
+        // checkout
+        FakeProcessInfo(
+            MockProcess(), const <String>['checkout', '-b', 'release-branch']),
+        // rm
+        FakeProcessInfo(MockProcess(), <String>[
+          'rm',
+          package.directory
+              .childDirectory('pending_changelogs')
+              .childFile('a.yaml')
+              .path
+        ], () {
+          package.directory
+              .childDirectory('pending_changelogs')
+              .childFile('a.yaml')
+              .deleteSync();
+        }),
+        // add
+        FakeProcessInfo(MockProcess(), <String>[
+          'add',
+          package.pubspecFile.path,
+          package.changelogFile.path
+        ]),
+        // commit
+        FakeProcessInfo(MockProcess(),
+            const <String>['commit', '-m', 'a_package: Prepare for release']),
+        // push
+        FakeProcessInfo(MockProcess(),
+            const <String>['push', 'origin', 'release-branch', '--force']),
+      ];
+      final List<String> output = await runCapturingPrint(runner, <String>[
+        'branch-for-batch-release',
+        '--packages=a_package',
+        '--branch=release-branch',
+      ]);
+
+      expect(
+          output,
+          containsAllInOrder(<String>[
+            'Parsing package "a_package"...',
+            'Creating and pushing release branch...',
+            '  Creating new branch "release-branch"...',
+            '  Updating pubspec.yaml to version 1.1.0...',
+            '  Updating CHANGELOG.md...',
+            '  Removing pending changelog files...',
+            '  Staging changes...',
+            '  Committing changes...',
+            '  Pushing to remote...',
+          ]));
+
+      expect(package.pubspecFile.readAsStringSync(), '''
+name: a_package
+version: 1.1.0
+''');
+      expect(package.changelogFile.readAsStringSync(), '''
+## 1.1.0
+
+A new feature
+
+## 1.0.0
+
+- Old changes
+''');
+
+      expect(
+          gitProcessRunner.recordedCalls,
+          orderedEquals(<ProcessCall>[
+            const ProcessCall(
+                'git-checkout', <String>['-b', 'release-branch'], null),
+            ProcessCall(
+                'git-rm',
+                <String>[
+                  package.directory
+                      .childDirectory('pending_changelogs')
+                      .childFile('a.yaml')
+                      .path
+                ],
+                null),
+            ProcessCall(
+                'git-add',
+                <String>[package.pubspecFile.path, package.changelogFile.path],
+                null),
+            const ProcessCall('git-commit',
+                <String>['-m', 'a_package: Prepare for release'], null),
+            const ProcessCall('git-push',
+                <String>['origin', 'release-branch', '--force'], null),
+          ]));
+    });
+  });
+}