Java Unit Testing Practical Guide and Cheat Sheet with Real-World Examples
This title could be clearer and more informative.Try out Clickbait Shieldfor free (5 uses left this month).
This practical guide covers Java unit testing using JUnit, Mockito, and AssertJ with real-world examples. It highlights best practices for writing effective unit tests, including setup steps, key annotations, test structure, and the use of modern assertion libraries. The guide offers insight into parameterized tests, mocking
Table of contents
Java Unit Testing Practical Guide and Cheat Sheet with Real-World ExamplesIntroductionSetting Up JUnit 5 and MockitoKey AnnotationsJUnit AnnotationsMockito AnnotationsBasic Test Structure with @Test , @BeforeEach , @AfterEach , @BeforeAll , @AfterAllBasic Assertions with Junit Assertions classDisabling Tests with @DisabledGrouping Tests with @NestedParameterized TestsParameterized Tests with @MethodSource and Java RecordsUsing Mockito to mock dependenciesMaking Tests More Readable with @DisplayNameException TestingCapturing Arguments with @CaptorUsing Assumptions for Conditional Test ExecutionTesting CollectionsBasic Collection TestingTesting Collection PropertiesTesting Performance with @TimeoutModern Assertion LibrariesStatic Mocking with MockitoSoft AssertionsTest Coverage and ToolsBest PracticesIntegration TestsConclusionAdditional ResourcesSort: