Tests for admin action of API exporter sync.

app/test/admin/exported_api_sync_test.dart

@@ -0,0 +1,209 @@
+// Copyright (c) 2024, the Dart project authors.  Please see the AUTHORS file
+// for details. 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:_pub_shared/data/admin_api.dart';
+import 'package:gcloud/storage.dart';
+import 'package:pub_dev/shared/configuration.dart';
+import 'package:pub_dev/shared/storage.dart';
+import 'package:pub_dev/shared/versions.dart';
+import 'package:test/test.dart';
+
+import '../shared/test_models.dart';
+import '../shared/test_services.dart';
+
+void main() {
+  group('Exported API sync admin action', () {
+    /// Invoke exported-api-sync action
+    Future<void> syncExportedApi({
+      List<String>? packages,
+      bool forceWrite = false,
+    }) async {
+      final api = createPubApiClient(authToken: siteAdminToken);
+      await api.adminInvokeAction(
+        'exported-api-sync',
+        AdminInvokeActionArguments(arguments: {
+          'packages': packages?.join(' ') ?? 'ALL',
+          if (forceWrite) 'force-write': 'true',
+        }),
+      );
+    }
+
+    /// Return map of all objects in the Exported API bucket.
+    ///
+    /// Returns a map from object name to JSON on the form:
+    /// ```js
+    /// {
+    ///   'updated': '<date-time>',
+    ///   'metadata': {
+    ///     'contentType': '<contentType>',
+    ///     'custom': {...},
+    ///   },
+    ///   'length': <length>,
+    ///   'bytes': [...],
+    /// }
+    /// ```
+    Future<Map<String, dynamic>> listExportedApi() async {
+      final data = <String, dynamic>{};
+      final bucket =
+          storageService.bucket(activeConfiguration.exportedApiBucketName!);
+      await for (final entry in bucket.list(delimiter: '')) {
+        if (!entry.isObject) continue;
+        final info = await bucket.info(entry.name);
+        final bytes = await bucket.readAsBytes(entry.name);
+        data[entry.name] = {
+          'updated': info.updated.toIso8601String(),
+          'metadata': {
+            'contentType': info.metadata.contentType,
+            'custom': info.metadata.custom,
+          },
+          'length': bytes.length,
+          'bytes': bytes.toList(),
+        };
+      }
+      return data;
+    }
+
+    testWithProfile('baseline checks', fn: () async {
+      await syncExportedApi();
+      final data = await listExportedApi();
+      expect(data.keys, hasLength(greaterThan(20)));
+      expect(data.keys, hasLength(lessThan(40)));
+
+      final oxygenFiles = data.keys.where((k) => k.contains('oxygen')).toSet();
+      expect(oxygenFiles, hasLength(greaterThan(5)));
+      expect(oxygenFiles, {
+        '$runtimeVersion/api/archives/oxygen-1.0.0.tar.gz',
+        '$runtimeVersion/api/archives/oxygen-1.2.0.tar.gz',
+        '$runtimeVersion/api/archives/oxygen-2.0.0-dev.tar.gz',
+        '$runtimeVersion/api/packages/oxygen',
+        '$runtimeVersion/api/packages/oxygen/advisories',
+        'latest/api/archives/oxygen-1.0.0.tar.gz',
+        'latest/api/archives/oxygen-1.2.0.tar.gz',
+        'latest/api/archives/oxygen-2.0.0-dev.tar.gz',
+        'latest/api/packages/oxygen',
+        'latest/api/packages/oxygen/advisories',
+      });
+
+      final oxygenDataJson = data['latest/api/packages/oxygen'];
+      expect(oxygenDataJson, {
+        'updated': isNotEmpty,
+        'metadata': {
+          'contentType': 'application/json; charset="utf-8"',
+          'custom': {
+            'validated': isNotEmpty,
+          },
+        },
+        'length': greaterThan(100),
+        'bytes': isNotEmpty,
+      });
+    });
+
+    testWithProfile('deleted files + full sync', fn: () async {
+      await syncExportedApi();
+      final oldRoot = await listExportedApi();
+
+      for (final e in oldRoot.entries) {
+        final path = e.key;
+        final oldData = e.value as Map;
+
+        final bucket =
+            storageService.bucket(activeConfiguration.exportedApiBucketName!);
+        await bucket.delete(path);
+
+        await syncExportedApi();
+        final newRoot = await listExportedApi();
+        expect(newRoot.containsKey(path), true);
+        final newData = newRoot[path] as Map;
+        expect(oldData['bytes'], isNotEmpty);
+        expect(oldData['bytes'], newData['bytes']);
+      }
+    });
+
+    testWithProfile('delete files + selective sync', fn: () async {
+      await syncExportedApi();
+      final oldRoot = await listExportedApi();
+
+      final oxygenFiles =
+          oldRoot.keys.where((k) => k.contains('oxygen')).toList();
+      expect(oxygenFiles, hasLength(greaterThan(5)));
+
+      for (final path in oxygenFiles) {
+        final bucket =
+            storageService.bucket(activeConfiguration.exportedApiBucketName!);
+        await bucket.delete(path);
+
+        await syncExportedApi(packages: ['neon']);
+        expect(await bucket.tryInfo(path), isNull);
+
+        await syncExportedApi(packages: ['oxygen']);
+        expect(await bucket.tryInfo(path), isNotNull);
+      }
+    });
+
+    testWithProfile('modified files + selective sync', fn: () async {
+      await syncExportedApi();
+      final oldRoot = await listExportedApi();
+
+      final oxygenFiles =
+          oldRoot.keys.where((k) => k.contains('oxygen')).toList();
+      expect(oxygenFiles, hasLength(greaterThan(5)));
+
+      for (final path in oxygenFiles) {
+        final oldData = oldRoot[path] as Map;
+        final bucket =
+            storageService.bucket(activeConfiguration.exportedApiBucketName!);
+        await bucket.writeBytes(path, [1]);
+
+        await syncExportedApi(packages: ['neon']);
+        expect((await bucket.info(path)).length, 1);
+
+        await syncExportedApi(packages: ['oxygen']);
+        expect((await bucket.info(path)).length, greaterThan(1));
+
+        // also check file content
+        final newRoot = await listExportedApi();
+        final newData = newRoot[path] as Map;
+        expect(newData['length'], greaterThan(1));
+        expect(oldData['bytes'], newData['bytes']);
+      }
+    });
+
+    testWithProfile('modified metadata + selective sync', fn: () async {
+      await syncExportedApi();
+      final oldRoot = await listExportedApi();
+
+      final oxygenFiles =
+          oldRoot.keys.where((k) => k.contains('oxygen')).toList();
+      expect(oxygenFiles, hasLength(greaterThan(5)));
+
+      for (final path in oxygenFiles) {
+        final oldData = oldRoot[path] as Map;
+        final bucket =
+            storageService.bucket(activeConfiguration.exportedApiBucketName!);
+        await bucket.updateMetadata(
+          path,
+          ObjectMetadata(
+            contentType: 'text/plain',
+            custom: {'x': 'x'},
+          ),
+        );
+
+        await syncExportedApi(packages: ['neon']);
+        expect((await bucket.info(path)).metadata.custom, {'x': 'x'});
+
+        await syncExportedApi(packages: ['oxygen']);
+        final newInfo = await bucket.info(path);
+        expect(
+            newInfo.metadata.contentType, oldData['metadata']['contentType']);
+        expect(newInfo.metadata.custom, {'validated': isNotEmpty});
+
+        // also check file content
+        final newRoot = await listExportedApi();
+        final newData = newRoot[path] as Map;
+        expect(newData['length'], greaterThan(1));
+        expect(oldData['bytes'], newData['bytes']);
+      }
+    });
+  });
+}

pkg/fake_gcloud/lib/mem_storage.dart

@@ -193,6 +193,23 @@ class _File implements BucketObjectEntry {
 
   @override
   bool get isObject => true;
+
+  _File replace({ObjectMetadata? metadata}) {
+    return _File(
+      bucketName: bucketName,
+      name: name,
+      content: content,
+      metadata: this.metadata.replace(
+            acl: metadata!.acl,
+            cacheControl: metadata.cacheControl,
+            contentDisposition: metadata.contentDisposition,
+            contentEncoding: metadata.contentEncoding,
+            contentLanguage: metadata.contentLanguage,
+            contentType: metadata.contentType,
+            custom: metadata.custom,
+          ),
+    );
+  }
 }
 
 class _Bucket implements Bucket {
@@ -353,8 +370,8 @@ class _Bucket implements Bucket {
   @override
   Future<void> updateMetadata(
       String objectName, ObjectMetadata metadata) async {
-    _logger.severe(
-        'UpdateMetadata: $objectName not yet implemented, call ignored.');
+    _validateObjectName(objectName);
+    _files[objectName] = _files[objectName]!.replace(metadata: metadata);
   }
 }