chore: added some more mock defintions and refactoring the TaskManager.forPlugin

Signed-off-by: blam <ben@blam.sh>

packages/backend-test-utils/src/next/implementations/index.ts

@@ -14,3 +14,6 @@
  * limitations under the License.
  */
 export { mockTokenManagerFactory } from './mockTokenManagerService';
+export { mockConfigFactory } from './mockConfigService';
+export { mockDatabaseFactory } from './mockDatabaseService';
+export { mockDiscoveryFactory } from './mockDiscoveryService';

packages/backend-test-utils/src/next/implementations/mockConfigService.ts

@@ -0,0 +1,30 @@
+/*
+ * Copyright 2022 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import {
+  coreServices,
+  createServiceFactory,
+} from '@backstage/backend-plugin-api';
+import { AppConfig, ConfigReader } from '@backstage/config';
+
+/** @public */
+export const mockConfigFactory = createServiceFactory({
+  service: coreServices.config,
+  deps: {},
+  async factory(_, options?: { config?: AppConfig }) {
+    return new ConfigReader(options?.config);
+  },
+});

packages/backend-test-utils/src/next/implementations/mockDatabaseService.ts

@@ -0,0 +1,46 @@
+/*
+ * Copyright 2022 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+import { DatabaseManager } from '@backstage/backend-common';
+import {
+  coreServices,
+  createServiceFactory,
+} from '@backstage/backend-plugin-api';
+import { ConfigReader } from '@backstage/config';
+
+/** @public */
+export const mockDatabaseFactory = createServiceFactory({
+  service: coreServices.database,
+  deps: {
+    config: coreServices.config,
+    plugin: coreServices.pluginMetadata,
+  },
+  async factory({ config }) {
+    const databaseManager = config.getOptional('backend.database')
+      ? DatabaseManager.fromConfig(config)
+      : DatabaseManager.fromConfig(
+          new ConfigReader({
+            backend: {
+              database: { client: 'better-sqlite', connection: ':memory:' },
+            },
+          }),
+        );
+
+    return async ({ plugin }) => {
+      return databaseManager.forPlugin(plugin.getId());
+    };
+  },
+});

packages/backend-test-utils/src/next/implementations/mockDiscoveryService.ts

@@ -0,0 +1,40 @@
+/*
+ * Copyright 2023 The Backstage Authors
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+import { SingleHostDiscovery } from '@backstage/backend-common';
+import {
+  coreServices,
+  createServiceFactory,
+} from '@backstage/backend-plugin-api';
+import { ConfigReader } from '@backstage/config';
+
+/** @public */
+export const mockDiscoveryFactory = createServiceFactory({
+  service: coreServices.discovery,
+  deps: {},
+  async factory() {
+    // todo(blam): we want to grab the port from the httpRouter when that's available here
+    // to provide a better way to create our mockDiscoveryService.
+    const discovery = SingleHostDiscovery.fromConfig(
+      new ConfigReader({
+        backend: { baseUrl: 'http://localhost:7000', listen: '0.0.0.0:7000' },
+      }),
+    );
+
+    return async () => {
+      return discovery;
+    };
+  },
+});

packages/backend-test-utils/src/next/wiring/TestBackend.ts

@@ -21,10 +21,7 @@ import {
   rootLifecycleFactory,
   loggerFactory,
   rootLoggerFactory,
-  configFactory,
-  discoveryFactory,
   cacheFactory,
-  databaseFactory,
   permissionsFactory,
   schedulerFactory,
   urlReaderFactory,
@@ -38,7 +35,12 @@ import {
   ExtensionPoint,
 } from '@backstage/backend-plugin-api';
 
-import { mockTokenManagerFactory } from '../implementations';
+import {
+  mockConfigFactory,
+  mockDatabaseFactory,
+  mockTokenManagerFactory,
+  mockDiscoveryFactory,
+} from '../implementations';
 
 /** @alpha */
 export interface TestBackendOptions<
@@ -66,9 +68,9 @@ export interface TestBackendOptions<
 
 const defaultServiceFactories = [
   cacheFactory(),
-  configFactory(),
-  databaseFactory(),
-  discoveryFactory(),
+  mockConfigFactory(),
+  mockDatabaseFactory(),
+  mockDiscoveryFactory(),
   lifecycleFactory(),
   loggerFactory(),
   permissionsFactory(),