add setupRequestMockHandlers to backend-test-utils

Signed-off-by: Fredrik Adelöw <freben@gmail.com>

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

@@ -21,4 +21,5 @@
  */
 
 export * from './database';
+export * from './msw';
 export * from './util';

packages/backend-test-utils/src/msw/index.ts

@@ -0,0 +1,17 @@
+/*
+ * Copyright 2020 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 { setupRequestMockHandlers } from './setupRequestMockHandlers';

packages/backend-test-utils/src/msw/setupRequestMockHandlers.ts

@@ -0,0 +1,30 @@
+/*
+ * Copyright 2020 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.
+ */
+
+/**
+ * Sets up handlers for request mocking
+ * @public
+ * @param worker - service worker
+ */
+export function setupRequestMockHandlers(worker: {
+  listen: (t: any) => void;
+  close: () => void;
+  resetHandlers: () => void;
+}) {
+  beforeAll(() => worker.listen({ onUnhandledRequest: 'error' }));
+  afterAll(() => worker.close());
+  afterEach(() => worker.resetHandlers());
+}