Framework for JUnit test injection and lifecycle hooks based on JUnit 4 and Guice.
<dependency>
<groupId>com.polopoly</groupId>
<artifactId>testNJ</artifactId>
<version>${testNJ.version}</version>
</dependency>Craete a Guice module for your tests:
package com.myproject;
import com.google.inject.AbstractModule;
public class Module extends AbstractModule {
@Override
protected void configure() {
bind(Duck.class).toInstance(new SwedishBlueDuck());
}
}TestNJ uses the Java Service Locator pattern to look for implementations of Guice modules in your projects (implementations of com.google.inject.Module).
Add a file named com.google.inject.Module in your project's META-INF/services folder, this file should contain the names of the Guice module implementation classes, in our example:
echo 'com.project.Module' > ${prj.root}/META-INF/services/com.google.inject.Module@RunWith(TestNJRunner.class)
public class SimpleInjectTest {
@Inject
private Duck duck;
@Test
public void duck_does_quack() {
Assert.assertEquals("haloj", duck.quack());
}
}You can register test callbacks and have your custom code run before/after a single test run.
Simply implement your callback:
package com.myproject;
import com.polopoly.testnj.TestCallbacks;
import org.junit.runners.model.FrameworkMethod;
import org.junit.runners.model.Statement;
public class DummyTestCallbacks implements TestCallbacks {
@Override
public void before(FrameworkMethod method, Object target, Statement statement) {
System.err.println("before");
}
@Override
public void after(FrameworkMethod method, RunNotifier notifier) {
System.err.println("after");
}
}... and register it in your Guice Module:
package com.myproject;
import com.google.inject.AbstractModule;
public class Module extends AbstractModule {
@Override
protected void configure() {
bind(Duck.class).toInstance(new SwedishBlueDuck());
TestNJContext.addCallback(new DummyTestCallbacks());
}
}
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