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Effective Unit and Integration Testing in Scala
Gain insights into effective unit and integration testing in Scala. Learn about ScalaTest, Mockito, ScalaCheck, and Docker/TestContainers to enhance testing quality and maintainability.
37 Lessons
12h
Join 2.9 million developers at
Join 2.9 million developers at
LEARNING OBJECTIVES
- A working knowledge of ScalaTest and its best practices
- An understanding of property-based testing
- An understanding of mocking and test doubles
- Hands-on experience with mocking infrastructural dependencies via Docker containers
- The ability to design and write effective tests in Scala
Learning Roadmap
1.
Introduction
Introduction
Get familiar with the significance of testing in Scala, focusing on test types and best practices.
2.
Brief Introduction to Scala and sbt
Brief Introduction to Scala and sbt
Look at Scala's paradigms, sbt's build capabilities, and effective project layouts for testing.
3.
Writing Tests with ScalaTest
Writing Tests with ScalaTest
17 Lessons
17 Lessons
Work your way through writing expressive test cases using ScalaTest’s diverse styles and tools.
4.
Mocking with ScalaMock
Mocking with ScalaMock
5 Lessons
5 Lessons
Grasp the fundamentals of using ScalaMock for effective unit testing in Scala.
5.
Property-Based Testing with ScalaCheck
Property-Based Testing with ScalaCheck
5 Lessons
5 Lessons
Take a closer look at property-based testing concepts, table-driven checks, and ScalaCheck integration.
6.
Mocking External Services with TestContainers-scala
Mocking External Services with TestContainers-scala
4 Lessons
4 Lessons
Tackle mock external services in integration testing using TestContainers-scala and Docker.
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Developed by MAANG Engineers
ABOUT THIS COURSE
Testing is a fundamental part of writing software. Tests should be written with as much care as we put into designing and coding our applications. Still, writing clean and well-organized test cases can be difficult. In many cases, their quality is lower than that of the rest of the application. This can seriously impact the overall quality and maintainability of the project in the long run.
The focus of this course is on unit and integration tests in Scala. First, you’ll learn about the most famous testing framework for Scala—ScalaTest. Then, you’ll move to mocking and property-based testing with Mockito and ScalaCheck. Finally, the course will focus on integration testing, showing how to mock the dependencies on external services with Docker and TestContainers.
After taking this course, you’ll have a more comprehensive view of the possibilities to run different tests in Scala, including practical knowledge of some widespread testing libraries.
ABOUT THE AUTHOR
Matteo Di Pirro
Enthusiastic software engineer who specializes in the theory of programming languages and type safety.
Trusted by 2.9 million developers working at companies
A
Anthony Walker
@_webarchitect_
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Evan Dunbar
ML Engineer
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Software Developer
Carlos Matias La Borde
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Souvik Kundu
Front-end Developer
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Vinay Krishnaiah
Software Developer
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