RxJS unit testing in Angular application. The whole picture.

--- **Course Review: Deep Dive into RxJs Testing with Jasmine & Karma** **Overall Rating:** 4.30/5 ### **Introduction to the Course** The course on RxJs testing with Jasmine and Karma has received a high overall rating from recent reviews. The majority of reviewers found the content valuable, with some suggestions for improvement regarding presentation style and additional examples. ### **Pros** - **Comprehensive Content:** Reviewers appreciated the in-depth coverage of RxJs testing, indicating that the course provided a deep understanding of the subject matter. - **Expert Knowledge:** There is evidence of deep knowledge and experience in the field of RxJs testing, which is conveyed through the course content. - **Clarification of Approaches:** The course helped clarify various approaches to testing, allowing learners to make informed decisions about their testing strategies. - **Practical Help:** Some users found the course particularly helpful in understanding more about RxJs when combined with other knowledge, such as using `fakeAsync`. - **Enhancement of Knowledge:** For those who already had basic knowledge from Angular.io, this course was seen as a great way to enhance their understanding and skills further. - **High Quality of Instruction:** The teacher's explanations were found to be understandable, and the overall quality of the course was considered high. - **Interactive Elements:** A significant pro mentioned that learners can see the code and test it for themselves, which is a hands-on approach to learning. - **Cost-Effective Learning:** The course is free, providing learners with an excellent opportunity to advance their skills without financial strain. ### **Cons** - **Presentation Style:** Some reviewers felt that the course was overly reliant on slides and could have benefited from more direct instruction or additional visual aids to complement the slides. - **Excessive Slides:** The presentation seemed to be more of a slideshow, which might have overshadowed the learning experience. - **Lack of Detail:** A few reviewers indicated that they would have appreciated more detail and examples to further illustrate the concepts being taught. - **Slide-Heavy Content:** The course content appeared to be slide-heavy, which made it more about reading slides than actively engaging with the material. - **Test Execution Clarity:** There were concerns about the clarity of test execution in the course, as it seemed to show everything rather than focusing on key lessons. - **"Lost in Translation" Issue:** The deep knowledge of the instructor was noted to be "lost in translation," indicating that the content could have been presented more effectively to ensure better understanding among learners. ### **Additional Notes** - **Documentation Concerns:** Some reviewers pointed out that the `jasmine-marbles` package seemed unnecessary and was poorly documented, suggesting that learners might benefit from focusing on simpler testing methods like `TestScheduler.run`. - **Testing Execution Observations:** There were mixed feelings about whether the tests shown in the course actually executed during the recording or were just generated in a previous run, highlighting the importance of demonstrating real-time test execution. ### **Conclusion** The course on RxJs Testing with Jasmine and Karma is highly recommended for its comprehensive content and expert guidance. However, improvements could be made to enhance clarity, engagement, and the presentation style. Despite some drawbacks in the delivery of the course material, the quality of instruction and the depth of knowledge provided are significant strengths that make this course a valuable resource for anyone looking to deepen their understanding of RxJs testing.