JUnit Lambda Extensions

JUnit extensions that make use of Java 8 lambdas.

License	MIT
Categories	JUnit Unit Testing
GroupId	com.github.marschall
ArtifactId	junit-lambda
Last Version	0.3.0
Release Date	Jun 1, 2015
Type	jar
Description	JUnit Lambda Extensions JUnit extensions that make use of Java 8 lambdas.
Project URL	https://github.com/marschall/junit-lambda
Source Code Management	https://github.com/marschall/junit-lambda

Download junit-lambda

Filename	Size
junit-lambda-0.3.0.pom
junit-lambda-0.3.0.jar	6 KB
junit-lambda-0.3.0-sources.jar	2 KB
junit-lambda-0.3.0-javadoc.jar	28 KB

How to add to project

Apache Maven

<!-- https://jarcasting.com/artifacts/com.github.marschall/junit-lambda/ -->
<dependency>
    <groupId>com.github.marschall</groupId>
    <artifactId>junit-lambda</artifactId>
    <version>0.3.0</version>
</dependency>

Gradle Groovy

// https://jarcasting.com/artifacts/com.github.marschall/junit-lambda/
implementation 'com.github.marschall:junit-lambda:0.3.0'

Gradle Kotlin

// https://jarcasting.com/artifacts/com.github.marschall/junit-lambda/
implementation ("com.github.marschall:junit-lambda:0.3.0")

Apache Buildr

'com.github.marschall:junit-lambda:jar:0.3.0'

Apache Ivy

<dependency org="com.github.marschall" name="junit-lambda" rev="0.3.0">
  <artifact name="junit-lambda" type="jar" />
</dependency>

Groovy Grape

@Grapes(
@Grab(group='com.github.marschall', module='junit-lambda', version='0.3.0')
)

Scala SBT

libraryDependencies += "com.github.marschall" % "junit-lambda" % "0.3.0"

Leiningen

[com.github.marschall/junit-lambda "0.3.0"]

Dependencies

provided (1)

Group / Artifact	Type	Version
junit : junit	jar	4.12

Project Modules

There are no modules declared in this project.

JUnit λ

JUnit extensions built on Java 8 lambdas. Helps to test exceptions and can be used instead of the following pattern:

try {
    Long.parseLong("foo");
    fail("'foo' should not be a valid long");
} catch (NumberFormatException e) {
    // should reach here
}

You can either use #assertRaises

import static com.github.marschall.junitlambda.LambdaAssert.assertRaises;
import org.junit.Test;

public final class JunitLambdaTest {
    @Test
    public void testNumberFormatException() {
        assertRaises(() -> Long.parseLong("foo"), NumberFormatException.class);
    }
}

or the Hamcrest matcher #throwsException

import static com.github.marschall.junitlambda.ThrowsException.throwsException;
import org.junit.Test;

public final class JunitLambdaTest {
    @Test
    public void testNumberFormatException() {
        assertThat(() -> Long.parseLong("foo"), throwsException(NumberFormatException.class));
    }
}

<dependency>
    <groupId>com.github.marschall</groupId>
    <artifactId>junit-lambda</artifactId>
    <version>0.3.0</version>
    <scope>test</scope>
</dependency>

The code is under MIT license.

Versions

Version
0.3.0 Jun 1, 2015
0.2.0 Apr 28, 2015
0.1.0 Apr 23, 2014