Disable unregister entity button in catalog if unauthorized

Signed-off-by: Joon Park <joonp@spotify.com>

packages/test-utils/src/testUtils/apis/PermissionApi/MockPermissionApi.test.ts

@@ -0,0 +1,43 @@
+/*
+ * Copyright 2021 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 {
+  AuthorizeResult,
+  Permission,
+} from '@backstage/plugin-permission-common';
+import { MockPermissionApi } from './MockPermissionApi';
+
+describe('MockPermissionApi', () => {
+  it('returns ALLOW by default', async () => {
+    const api = new MockPermissionApi();
+
+    await expect(
+      api.authorize({ permission: { name: 'permission.1' } as Permission }),
+    ).resolves.toEqual({ result: AuthorizeResult.ALLOW });
+  });
+
+  it('allows passing a handler to customize the result', async () => {
+    const api = new MockPermissionApi(request =>
+      request.permission.name === 'permission.2'
+        ? AuthorizeResult.DENY
+        : AuthorizeResult.ALLOW,
+    );
+
+    await expect(
+      api.authorize({ permission: { name: 'permission.2' } as Permission }),
+    ).resolves.toEqual({ result: AuthorizeResult.DENY });
+  });
+});

packages/test-utils/src/testUtils/apis/PermissionApi/MockPermissionApi.ts

@@ -0,0 +1,41 @@
+/*
+ * 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 { PermissionApi } from '@backstage/plugin-permission-react';
+import {
+  AuthorizeDecision,
+  AuthorizeQuery,
+  AuthorizeResult,
+} from '@backstage/plugin-permission-common';
+
+/**
+ * Mock implementation of {@link core-plugin-api#PermissionApi}. Supply a
+ * requestHandler function to override the mock result returned for a given
+ * request.
+ * @public
+ */
+export class MockPermissionApi implements PermissionApi {
+  constructor(
+    private readonly requestHandler: (
+      request: AuthorizeQuery,
+    ) => AuthorizeResult.ALLOW | AuthorizeResult.DENY = () =>
+      AuthorizeResult.ALLOW,
+  ) {}
+
+  async authorize(request: AuthorizeQuery): Promise<AuthorizeDecision> {
+    return { result: this.requestHandler(request) };
+  }
+}

packages/test-utils/src/testUtils/apis/PermissionApi/index.ts

@@ -0,0 +1,17 @@
+/*
+ * 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.
+ */
+
+export { MockPermissionApi } from './MockPermissionApi';

packages/test-utils/src/testUtils/apis/index.ts

@@ -17,4 +17,5 @@
 export * from './AnalyticsApi';
 export * from './ConfigApi';
 export * from './ErrorApi';
+export * from './PermissionApi';
 export * from './StorageApi';