Add unit test

Author: rsaladocid

tests/Mooc/Courses/application/CreateCourse.test.ts

@@ -0,0 +1,25 @@
+import Course from '../../../../src/Mooc/Courses/domain/Course';
+import CreateCourse from '../../../../src/Mooc/Courses/application/CreateCourse';
+import CourseRepository from '../../../../src/Mooc/Courses/domain/CourseRepository';
+
+describe('Create Course', () => {
+  it('should create a valid course', async () => {
+    const save = jest.fn();
+    const repository: CourseRepository = {
+      save,
+      search: jest.fn()
+    };
+
+    const createCourse = new CreateCourse(repository);
+
+    const id = 'some-id';
+    const name = 'some-name';
+    const duration = 'some-duration';
+
+    const course = new Course(id, name, duration);
+
+    await createCourse.run(id, name, duration);
+
+    expect(save).toHaveBeenCalledWith(course);
+  });
+});