StepFailureBehaviour.java

package org.jbehave.core.failures;

import org.junit.Test;

import static org.hamcrest.Matchers.equalTo;
import static org.hamcrest.Matchers.sameInstance;
import static org.junit.Assert.assertThat;

public class StepFailureBehaviour {
	
	@Test
	public void shouldAppendStepNameToFailure() {
		// Given
		Throwable cause = new IllegalArgumentException(
				"Can't we all just get along?");
		String stepAsString = "Given something that could never work";
		StepFailed failure = new StepFailed(stepAsString, cause);

		// When
		String message = failure.getMessage();

		// Then
		assertThat(message, equalTo("'"
				+ stepAsString + "': "+cause.getMessage()));
	}

	@Test
	public void shouldKeepOriginalExceptionAsCause() {
		// Given
		Throwable originalCause = new IllegalArgumentException(
				"Can't we all just get along?");
		StepFailed decorator = new StepFailed(
				"Given something that could never work", originalCause);

		// When
		Throwable cause = decorator.getCause();

		// Then
		assertThat(cause, sameInstance(originalCause));
	}
}