/**
* Copyright (c) 2014 - 2017 Frank Appel
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Frank Appel - initial API and implementation
*/
package com.codeaffine.workflow.internal;
import static com.codeaffine.test.util.lang.ThrowableCaptor.thrownBy;
import static com.codeaffine.workflow.internal.ArgumentVerification.NOT_NULL_PATTERN;
import static java.lang.String.format;
import static org.assertj.core.api.Assertions.assertThat;
import org.junit.Test;
public class ArgumentVerificationTest {
private static final String MESSAGE = "message";
private static final String PATTERN = MESSAGE + " <%s>";
private static final String ARGUMENT_NAME = "argument";
@Test
public void verifyConditionOnSuccess() {
Throwable actual = thrownBy( () -> ArgumentVerification.verifyCondition( true, MESSAGE ) );
assertThat( actual ).isNull();
}
@Test
public void verifyConditionOnFailure() {
Throwable actual = thrownBy( () -> ArgumentVerification.verifyCondition( false, MESSAGE ) );
assertThat( actual )
.isInstanceOf( IllegalArgumentException.class )
.hasMessage( MESSAGE );
}
@Test
public void verifyConditionOnFailureWithPattern() {
Throwable actual = thrownBy( () -> ArgumentVerification.verifyCondition( false, PATTERN, ARGUMENT_NAME ) );
assertThat( actual )
.isInstanceOf( IllegalArgumentException.class )
.hasMessage( MESSAGE + " <" + ARGUMENT_NAME + ">" );
}
@Test
public void verifyNotNullOnSuccess() {
Object expected = new Object();
Object actual = ArgumentVerification.verifyNotNull( expected, ARGUMENT_NAME );
assertThat( actual ).isSameAs( expected );
}
@Test
public void verifyNotNullOnFailure() {
Throwable actual = thrownBy( () -> ArgumentVerification.verifyNotNull( null, ARGUMENT_NAME ) );
assertThat( actual )
.isInstanceOf( IllegalArgumentException.class )
.hasMessage( format( NOT_NULL_PATTERN, ARGUMENT_NAME ) );
}
@Test
public void verifyNotNullWithArrayOnSuccess() {
Object[] expected = new Object[] { new Object() };
Object[] actual = ArgumentVerification.verifyNotNull( expected, ARGUMENT_NAME );
assertThat( actual ).isSameAs( expected );
}
@Test
public void verifyNotNullWithArrayOnFailure() {
Throwable actual = thrownBy( () -> ArgumentVerification.verifyNotNull( ( Object[] )null, ARGUMENT_NAME ) );
assertThat( actual )
.isInstanceOf( IllegalArgumentException.class )
.hasMessage( String.format( NOT_NULL_PATTERN, ARGUMENT_NAME ) );
}
@Test
public void verifyNotNullWithMissingArrayElementOnFailure() {
Throwable actual = thrownBy( () -> ArgumentVerification.verifyNotNull( new Object[] { null }, ARGUMENT_NAME ) );
assertThat( actual )
.isInstanceOf( IllegalArgumentException.class )
.hasMessage( String.format( NOT_NULL_PATTERN, ARGUMENT_NAME + "[0]" ) );
}
}