feat: init and fork some code from angular-auth-oidc-client

test/auto-mock.ts

@@ -0,0 +1,49 @@
+import { Provider } from 'injection-js';
+
+export function mockClass<T>(obj: new (...args: any[]) => T): any {
+  const keys = Object.getOwnPropertyNames(obj.prototype);
+  const allMethods = keys.filter((key) => {
+    try {
+      return typeof obj.prototype[key] === 'function';
+    } catch (error) {
+      return false;
+    }
+  });
+  const allProperties = keys.filter((x) => !allMethods.includes(x));
+
+  const mockedClass = class T {};
+
+  allMethods.forEach(
+    (method: string) =>
+      ((mockedClass.prototype as any)[method] = (): void => {
+        return;
+      })
+  );
+
+  allProperties.forEach((method) => {
+    Object.defineProperty(mockedClass.prototype, method, {
+      get() {
+        return '';
+      },
+      configurable: true,
+    });
+  });
+
+  return mockedClass;
+}
+
+export function mockProvider<T>(obj: new (...args: any[]) => T): Provider {
+  return {
+    provide: obj,
+    useClass: mockClass(obj),
+  };
+}
+
+export function mockAbstractProvider<T, M extends T>(
+  type: abstract new (...args: any[]) => T,
+  mockType: new (...args: any[]) => M
+): Provider {
+  const mock = mockClass(mockType);
+
+  return { provide: type, useClass: mock };
+}

test/create-retriable-stream.helper.ts

@@ -0,0 +1,12 @@
+import { Observable, of } from 'rxjs';
+import { switchMap } from 'rxjs/operators';
+
+// Create retriable observable stream to test retry / retryWhen. Credits to:
+// https://stackoverflow.com/questions/51399819/how-to-create-a-mock-observable-to-test-http-rxjs-retry-retrywhen-in-angular
+export const createRetriableStream = (...resp$: any): Observable<any> => {
+  const fetchData: jasmine.Spy = jasmine.createSpy('fetchData');
+
+  fetchData.and.returnValues(...resp$);
+
+  return of(null).pipe(switchMap((_) => fetchData()));
+};