/**
* 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.eclipse.core.runtime.internal;
import static com.codeaffine.eclipse.core.runtime.Predicates.alwaysFalse;
import static com.codeaffine.eclipse.core.runtime.Predicates.alwaysTrue;
import static com.codeaffine.eclipse.core.runtime.Predicates.attribute;
import static com.codeaffine.eclipse.core.runtime.TestExtension.EXTENSION_POINT;
import static com.codeaffine.eclipse.core.runtime.internal.ContributionFinder.ERROR_TOO_MANY_CONTRIBUTIONS;
import static com.codeaffine.eclipse.core.runtime.internal.ContributionFinder.ERROR_ZERO_CONTRIBUTIONS;
import static com.codeaffine.test.util.lang.ThrowableCaptor.thrownBy;
import static org.assertj.core.api.Assertions.assertThat;
import org.eclipse.core.runtime.Platform;
import org.junit.Before;
import org.junit.Test;
import com.codeaffine.eclipse.core.runtime.Extension;
import com.codeaffine.eclipse.core.runtime.FindException;
public class ReadSingleOperatorPDETest {
private ReadSingleOperator operator;
@Before
public void setUp() {
operator = new ReadSingleOperator( Platform.getExtensionRegistry(), EXTENSION_POINT );
}
@Test
public void create() {
operator.setPredicate( attribute( "id", "1" ) );
Extension actual = operator.create();
assertThat( actual ).isNotNull();
}
@Test
public void createWithDefaultPredicate() {
Throwable actual = thrownBy( () -> operator.create() );
assertThat( actual )
.isInstanceOf( FindException.class )
.hasMessage( ERROR_TOO_MANY_CONTRIBUTIONS );
}
@Test
public void setPredicateWithTooManyContributions() {
Throwable actual = thrownBy( () -> operator.setPredicate( alwaysTrue() ) );
assertThat( actual )
.isInstanceOf( FindException.class )
.hasMessage( ERROR_TOO_MANY_CONTRIBUTIONS );
}
@Test
public void setPredicateWithZeroContributions() {
Throwable actual = thrownBy( () -> operator.setPredicate( alwaysFalse() ) );
assertThat( actual )
.isInstanceOf( FindException.class )
.hasMessage( ERROR_ZERO_CONTRIBUTIONS );
}
}