Angular Testing Course

Author: Your Name

src/app/courses/services/courses.services.spec.ts

@@ -47,9 +47,31 @@ describe('CoursesService', () => {
 
         req.flush({payload: Object.values(COURSES)});
 
+    });
+
+
+    it('should find a course by id', () => {
+
+        coursesService.findCourseById(12)
+            .subscribe(course => {
+
+                expect(course).toBeTruthy();
+                expect(course.id).toBe(12);
+
+            });
+
+        const req = httpTestingController.expectOne('/api/courses/12');
+
+        expect(req.request.method).toEqual("GET");
+
+        req.flush(COURSES[12]);
 
     });
 
+    afterEach(() => {
+
+        httpTestingController.verify();
+    });
 
 });