nextcloud: Refactor test docker container setup

packages/nextcloud/test/core_test.dart

@@ -4,7 +4,7 @@ import 'package:test/test.dart';
 import 'helper.dart';
 
 Future main() async {
-  final dockerImageName = await TestHelper.prepareDockerImage(
+  final image = await getDockerImage(
     apps: [
       'news',
       'notes',
@@ -12,9 +12,13 @@ Future main() async {
   );
 
   group('core', () {
+    late DockerContainer container;
     late TestNextcloudClient client;
-    setUp(() async => client = await TestHelper.getPreparedClient(dockerImageName));
+    setUp(() async {
-    tearDown(() => client.destroy());
+      container = await getDockerContainer(image);
+      client = await getTestClient(container);
+    });
+    tearDown(() => container.destroy());
 
     test('Is supported', () async {
       final response = await client.core.isSupported();

packages/nextcloud/test/helper.dart

@@ -12,25 +12,30 @@ const String nextcloudVersion = '25.0.1';
 const String defaultUsername = 'user1';
 const String defaultPassword = 'user1';
 
-class TestNextcloudClient extends NextcloudClient {
+class DockerImage {
-  TestNextcloudClient(
+  DockerImage({
-    super.baseURL,
+    required this.name,
-    this.containerID, {
+  });
-    super.username,
+
-    super.password,
+  final String name;
-    super.language,
+}
-    super.appType,
+
-    super.userAgentOverride,
+class DockerContainer {
+  DockerContainer({
+    required this.id,
+    required this.port,
   });
 
-  final String containerID;
+  final String id;
+
+  final int port;
 
   Future runOccCommand(final List<String> args) async {
     final result = await runExecutableArguments(
       'docker',
       [
         'exec',
-        containerID,
+        id,
         'php',
         '-f',
         'occ',
@@ -48,7 +53,7 @@ class TestNextcloudClient extends NextcloudClient {
         'docker',
         [
           'kill',
-          containerID,
+          id,
         ],
       );
 
@@ -57,7 +62,7 @@ class TestNextcloudClient extends NextcloudClient {
       'docker',
       [
         'logs',
-        containerID,
+        id,
       ],
       stdoutEncoding: utf8,
     ))
@@ -66,7 +71,7 @@ class TestNextcloudClient extends NextcloudClient {
       'docker',
       [
         'exec',
-        containerID,
+        id,
         'cat',
         'data/nextcloud.log',
       ],
@@ -78,70 +83,77 @@ class TestNextcloudClient extends NextcloudClient {
   }
 }
 
-class TestHelper {
+class TestNextcloudClient extends NextcloudClient {
-  static Future<String> prepareDockerImage({
+  TestNextcloudClient(
-    final List<TestNextcloudUser>? users,
+    super.baseURL, {
-    final List<String>? apps,
+    super.username,
-  }) async {
+    super.password,
-    final hash = sha1
+    super.language,
-        .convert(
+    super.appType,
-          utf8.encode(
+    super.userAgentOverride,
-            <String>[
+  });
-              if (users != null)
+}
-                for (final user in users) user.toString(),
-              if (apps != null) ...apps,
-            ].join(),
-          ),
-        )
-        .toString();
 
-    final dockerImageName = 'nextcloud-neon-$hash';
+Future<TestNextcloudClient> getTestClient(
+  final DockerContainer container, {
+  final String? username = defaultUsername,
+  final String? password = defaultPassword,
+  final bool useAppPassword = false,
+  final AppType appType = AppType.unknown,
+  final String? userAgentOverride,
+}) async {
+  // ignore: prefer_asserts_with_message
+  assert(!useAppPassword || (username != null && password != null));
 
+  var clientPassword = password;
+  if (useAppPassword) {
     final inputStream = StreamController<List<int>>();
     final process = runExecutableArguments(
       'docker',
       [
-        'build',
+        'exec',
-        '-t',
+        '-i',
-        dockerImageName,
+        container.id,
+        'php',
         '-f',
-        '-',
+        'occ',
-        './test',
+        'user:add-app-password',
+        username!,
       ],
-      stdout: stdout,
-      stderr: stderr,
       stdin: inputStream.stream,
     );
-    inputStream.add(
+    inputStream.add(utf8.encode(password!));
-      utf8.encode(
-        TestDockerHelper.generateInstructions(
-          nextcloudVersion,
-          users: users,
-          apps: apps,
-        ),
-      ),
-    );
     await inputStream.close();
 
     final result = await process;
     if (result.exitCode != 0) {
-      throw Exception('Failed to build docker image');
+      throw Exception('Failed to run generate app password command\n${result.stderr}\n${result.stdout}');
+    }
+    clientPassword = (result.stdout as String).split('\n')[1];
   }
 
-    return dockerImageName;
+  final client = TestNextcloudClient(
+    'http://localhost:${container.port}',
+    username: username,
+    password: clientPassword,
+    appType: appType,
+    userAgentOverride: userAgentOverride,
+  );
+
+  while (true) {
+    // Test will timeout after 30s
+    try {
+      await client.core.getStatus();
+      break;
+    } catch (_) {
+      await Future.delayed(const Duration(milliseconds: 100));
+    }
   }
 
-  static Future<TestNextcloudClient> getPreparedClient(
+  return client;
-    final String dockerImageName, {
+}
-    final String? username = defaultUsername,
-    final String? password = defaultPassword,
-    final bool useAppPassword = false,
-    final AppType appType = AppType.unknown,
-    final String? userAgentOverride,
-  }) async {
-    // ignore: prefer_asserts_with_message
-    assert(!useAppPassword || (username != null && password != null));
 
+Future<DockerContainer> getDockerContainer(final DockerImage image) async {
   late ProcessResult result;
   late int port;
   while (true) {
@@ -156,7 +168,7 @@ class TestHelper {
         '$port:80',
         '--add-host',
         'host.docker.internal:host-gateway',
-          dockerImageName,
+        image.name,
       ],
     );
     // 125 means the docker run command itself has failed which indicated the port is already used
@@ -169,56 +181,64 @@ class TestHelper {
     throw Exception('Failed to run docker container: ${result.stderr}');
   }
 
-    final containerID = result.stdout.toString().replaceAll('\n', '');
+  return DockerContainer(
+    id: result.stdout.toString().replaceAll('\n', ''),
+    port: port,
+  );
+}
+
+Future<DockerImage> getDockerImage({
+  final List<TestNextcloudUser>? users,
+  final List<String>? apps,
+}) async {
+  final hash = sha1
+      .convert(
+        utf8.encode(
+          <String>[
+            if (users != null)
+              for (final user in users) user.toString(),
+            if (apps != null) ...apps,
+          ].join(),
+        ),
+      )
+      .toString();
+
+  final dockerImageName = 'nextcloud-neon-$hash';
 
-    var clientPassword = password;
-    if (useAppPassword) {
   final inputStream = StreamController<List<int>>();
   final process = runExecutableArguments(
     'docker',
     [
-          'exec',
+      'build',
-          '-i',
+      '-t',
-          containerID,
+      dockerImageName,
-          'php',
       '-f',
-          'occ',
+      '-',
-          'user:add-app-password',
+      './test',
-          username!,
     ],
+    stdout: stdout,
+    stderr: stderr,
     stdin: inputStream.stream,
   );
-      inputStream.add(utf8.encode(password!));
+  inputStream.add(
+    utf8.encode(
+      TestDockerHelper.generateInstructions(
+        nextcloudVersion,
+        users: users,
+        apps: apps,
+      ),
+    ),
+  );
   await inputStream.close();
 
   final result = await process;
   if (result.exitCode != 0) {
-        throw Exception('Failed to run generate app password command\n${result.stderr}\n${result.stdout}');
+    throw Exception('Failed to build docker image');
-      }
-      clientPassword = (result.stdout as String).split('\n')[1];
   }
 
-    final client = TestNextcloudClient(
+  return DockerImage(
-      'http://localhost:$port',
+    name: dockerImageName,
-      containerID,
-      username: username,
-      password: clientPassword,
-      appType: appType,
-      userAgentOverride: userAgentOverride,
   );
-
-    while (true) {
-      // Test will timeout after 30s
-      try {
-        await client.core.getStatus();
-        break;
-      } catch (_) {
-        await Future.delayed(const Duration(milliseconds: 100));
-      }
-    }
-
-    return client;
-  }
 }
 
 class TestNextcloudUser {

packages/nextcloud/test/news_test.dart

@@ -7,12 +7,16 @@ const wikipediaFeedURL = 'https://en.wikipedia.org/w/api.php?action=featuredfeed
 const nasaFeedURL = 'https://www.nasa.gov/rss/dyn/breaking_news.rss';
 
 Future main() async {
-  final dockerImageName = await TestHelper.prepareDockerImage(apps: ['news']);
+  final image = await getDockerImage(apps: ['news']);
 
   group('news', () {
+    late DockerContainer container;
     late TestNextcloudClient client;
-    setUp(() async => client = await TestHelper.getPreparedClient(dockerImageName));
+    setUp(() async {
-    tearDown(() => client.destroy());
+      container = await getDockerContainer(image);
+      client = await getTestClient(container);
+    });
+    tearDown(() => container.destroy());
 
     Future<NewsListFeeds> addWikipediaFeed([final int? folderID]) => client.news.addFeed(
           url: wikipediaFeedURL,

packages/nextcloud/test/notes_test.dart

@@ -4,12 +4,16 @@ import 'package:test/test.dart';
 import 'helper.dart';
 
 Future main() async {
-  final dockerImageName = await TestHelper.prepareDockerImage(apps: ['notes']);
+  final image = await getDockerImage(apps: ['notes']);
 
   group('notes', () {
+    late DockerContainer container;
     late TestNextcloudClient client;
-    setUp(() async => client = await TestHelper.getPreparedClient(dockerImageName));
+    setUp(() async {
-    tearDown(() => client.destroy());
+      container = await getDockerContainer(image);
+      client = await getTestClient(container);
+    });
+    tearDown(() => container.destroy());
 
     test('Is supported', () async {
       final response = await client.notes.isSupported();

packages/nextcloud/test/notifications_test.dart

@@ -8,18 +8,20 @@ import 'package:test/test.dart';
 import 'helper.dart';
 
 Future main() async {
-  final dockerImageName = await TestHelper.prepareDockerImage();
+  final image = await getDockerImage();
 
   group('notifications', () {
+    late DockerContainer container;
     late TestNextcloudClient client;
-    setUp(
+    setUp(() async {
-      () async => client = await TestHelper.getPreparedClient(
+      container = await getDockerContainer(image);
-        dockerImageName,
+      client = await getTestClient(
+        container,
         username: 'admin',
         password: 'admin',
-      ),
       );
-    tearDown(() => client.destroy());
+    });
+    tearDown(() => container.destroy());
 
     Future sendTestNotification() async {
       await client.notifications.sendAdminNotification(
@@ -97,16 +99,18 @@ Future main() async {
   });
 
   group('push notifications', () {
+    late DockerContainer container;
     late TestNextcloudClient client;
     setUp(() async {
-      client = await TestHelper.getPreparedClient(
+      container = await getDockerContainer(image);
-        dockerImageName,
+      client = await getTestClient(
+        container,
         username: 'admin',
         // We need to use app passwords in order to register push devices
         useAppPassword: true,
       );
     });
-    tearDown(() => client.destroy());
+    tearDown(() => container.destroy());
 
     // The key size has to be 2048, other sizes are not accepted by Nextcloud (at the moment at least)
     // ignore: avoid_redundant_argument_values

packages/nextcloud/test/provisioning_api_test.dart

@@ -4,12 +4,16 @@ import 'package:test/test.dart';
 import 'helper.dart';
 
 Future main() async {
-  final dockerImageName = await TestHelper.prepareDockerImage();
+  final image = await getDockerImage();
 
   group('provisioning_api', () {
+    late DockerContainer container;
     late TestNextcloudClient client;
-    setUp(() async => client = await TestHelper.getPreparedClient(dockerImageName));
+    setUp(() async {
-    tearDown(() => client.destroy());
+      container = await getDockerContainer(image);
+      client = await getTestClient(container);
+    });
+    tearDown(() => container.destroy());
 
     test('Get current user', () async {
       final user = await client.provisioningApi.getCurrentUser();

packages/nextcloud/test/user_status_test.dart

@@ -4,12 +4,16 @@ import 'package:test/test.dart';
 import 'helper.dart';
 
 Future main() async {
-  final dockerImageName = await TestHelper.prepareDockerImage();
+  final image = await getDockerImage();
 
   group('user_status', () {
+    late DockerContainer container;
     late TestNextcloudClient client;
-    setUp(() async => client = await TestHelper.getPreparedClient(dockerImageName));
+    setUp(() async {
-    tearDown(() => client.destroy());
+      container = await getDockerContainer(image);
+      client = await getTestClient(container);
+    });
+    tearDown(() => container.destroy());
 
     test('Find all predefined statuses', () async {
       final expectedStatusIDs = ['meeting', 'commuting', 'remote-work', 'sick-leave', 'vacationing'];

packages/nextcloud/test/webdav_test.dart

@@ -8,16 +8,22 @@ import 'package:test/test.dart';
 import 'helper.dart';
 
 Future main() async {
-  final dockerImageName = await TestHelper.prepareDockerImage();
+  final image = await getDockerImage();
 
   group('webdav', () {
+    late DockerContainer container;
     late TestNextcloudClient client;
-    setUp(() async => client = await TestHelper.getPreparedClient(dockerImageName));
+    setUp(() async {
-    tearDown(() => client.destroy());
+      container = await getDockerContainer(image);
+      client = await getTestClient(container);
+    });
+    tearDown(() => container.destroy());
 
     test('Fail without username', () async {
-      await client.destroy();
+      client = await getTestClient(
-      client = await TestHelper.getPreparedClient(dockerImageName, username: null);
+        container,
+        username: null,
+      );
       expect(() => client.webdav, throwsException);
     });