JUnit 5 Cookbook
JUnit 5 Cookbook
Unit Testing in Java with JUnit 5.10.0
About the Book
Learn how to use JUnit 5 to write tests - based on JUnit 5.10.0
Below is a list of included features:
- Assertions
- Assumptions
- Tagging and filtering
- Nested tests
- Dependency injection
- Repeated tests
- Parameterized tests
- Dynamic tests
- Test instance lifecycle
- Extension model
- JUnit 4 migration
- JUnit platform
- Test execution order
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Table of Contents
-
1. Introduction
-
1.1 Installation
- IDE
- Build tools
- Gradle
- 1.2 opentest4j
- 1.3 Source code
-
1.1 Installation
-
2. Writing Basic Tests
-
2.1
@Test -
2.2
@DisplayName -
2.3 Assertions
-
assertTrue -
assertFalse -
assertNull -
assertNotNull -
assertEquals -
assertNotEquals -
assertArrayEquals -
assertIterableEquals -
assertSameandassertNotSame -
assertAll -
assertThrows -
assertThrowsExactly -
assertTimeout -
assertLinesMatch -
fail -
assertInstanceOf -
assertDoesNotThrow
-
- 2.4 Lifecycle Annotations
- 2.5 Disabled Tests
- 2.6 Display Name Generator
-
2.1
- 3. Assumptions
-
4. Tagging and Filtering
-
4.1
@Tag -
4.2 Filtering
- Gradle
- Maven
-
4.1
- 5. Nested Tests
-
6. Dependency Injection
-
6.1
TestInfoParameterResolver -
6.2
TestReporterParameterResolver -
6.3
RepetitionInfoParameterResolver
-
6.1
- 7. Repeated Tests
-
8. Parameterized Tests
-
8.1 Sources of Arguments
-
@ValueSource -
@EnumSource -
@MethodSource -
@CsvSource -
@CsvFileSource -
@ArgumentsSource
-
- 8.2 Argument Conversion
-
8.1 Sources of Arguments
- 9. Dynamic Tests
- 10. Test Instance Lifecycle
-
11. Extension Model
-
11.1 Registering Extensions
-
@ExtendWith - Java Service Provider
-
-
11.2
ExtensionContext-
Store -
Namespace
-
- 11.3 Parameter Resolver
- 11.4 Test Instance Post-processing
- 11.5 Test Execution Conditions
- 11.6 Exception Handling
- 11.7 Test Lifecycle Callbacks
-
11.8 Using
Store - 11.9 Test Templates
- 11.10 Sources of Arguments in Parameterized Tests
- 11.11 Argument Converter
-
11.1 Registering Extensions
-
12. JUnit 4 Migration
- 12.1 Use JUnit 4 and 5 Runtimes
- 12.2 Use JUnit Vintage
- 12.3 Migrate tests
-
13. JUnit Platform
-
13.1
TestEngine- Discover Tests
- Execute Tests
- 13.2 Launcher
- 13.3 Test Engine Configuration
-
13.1
-
14. Test Execution Order
- 14.1 Test Method Order
- 14.2 Test Class Order
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