toberkoe / fluent-assertions

Fluent Assertions optimized for modern java applications

Fluent Assertions for JUnit 5

Set of Fluent Assertions for Unit Tests. Inspired by FEST Fluent Assertions 2.x.

Latest release

The most recent release is fluent-assertions 0.5, released 2018-04-12.

The Maven group ID is de.toberkoe, and the artifact ID is fluent-assertions. Use version 0.5 for the current version.

To add a dependency on fluent-assertions using Maven, use the following:

<dependency>
  <groupId>de.toberkoe</groupId>
  <artifactId>fluent-assertions</artifactId>
  <version>0.5</version>
  <scope>test</scope>
</dependency>

To add a dependency using Gradle:

dependencies {
  testImplementation 'de.toberkoe:fluent-assertions:0.5'
}

Examples

Use de.toberkoe.fluentassertions.api.Assertions#assertThat as entry point for type-specific fluent assertions. To make tests more readable, it is recommended to access this class as a static import.

import static de.toberkoe.fluentassertions.api.Assertions.assertThat;
...

List<Integer> numbers = List.of(1, 2, 3, 4, 5);
assertThat(numbers)
  .isNotEmpty()
  .hasSizeOf(5)
  .startsWith(1, 2, 3)
  .doesNotHaveDuplicates();

fluent-assertions's Issues

Fluent Assertions for Files

Fluent Assertions for Long

Fluent Assertions for Float

Fluent Assertions for String

Fluent Assertions for Period

Fluent Assertions for Arrays

Fluent Assertions for Object

Fluent Assertions for Double

Fluent Assertions for Entities

Fluent Assertions for Boolean

Fluent Assertions for Duration

Fluent Assertions for Byte

Fluent Assertions for Map

Fluent Assertions for List

Fluent Assertions for Instant

Fluent Assertions for Characters

Fluent Assertions for Comparable

Fluent Assertions for Optional

Fluent Assertions for LocalDate

Fluent Assertions for Short

Fluent Assertions for Set

Fluent Assertions for Int

Make assertions extendable

Fluent Assertions for BigDecimal

Fluent Assertions for Collections

Fluent Assertions for Date

Fluent assertions for throwable

Fluent Assertions for LocalTime

Fluent Assertions for LocalDateTime