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/*******************************************************************************
* Copyright (c) 2013 Boeing.
* 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:
* Boeing - initial API and implementation
*******************************************************************************/
package org.eclipse.osee.framework.jdk.core.type;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;
import java.util.Iterator;
import java.util.LinkedHashSet;
import java.util.Set;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;
import org.mockito.MockitoAnnotations;
/**
* Test Case for {@link ResultSetIterable}
*
* @author Roberto E. Escobar
*/
public class ResultSetIterableTest {
@Rule
public ExpectedException thrown = ExpectedException.none();
private ResultSet<String> result;
private Set<String> data;
@Before
public void init() {
MockitoAnnotations.initMocks(this);
data = new LinkedHashSet<>();
result = new ResultSetIterable<>(data);
}
@Test
public void testSizeAndEmpty() {
data.add("a");
data.add("b");
data.add("c");
assertFalse(result.isEmpty());
assertEquals(3, result.size());
data.clear();
assertTrue(result.isEmpty());
assertEquals(0, result.size());
result.iterator();
}
@Test
public void testGetExactlyOneMultipleException() throws OseeCoreException {
data.add("a");
data.add("b");
thrown.expect(MultipleItemsExist.class);
thrown.expectMessage("Multiple items found - total [2]");
result.getExactlyOne();
}
@Test
public void testGetExactlyOneNoneExistException() throws OseeCoreException {
thrown.expect(ItemDoesNotExist.class);
thrown.expectMessage("No item found");
result.getExactlyOne();
}
@Test
public void testGetExactlyOne() throws OseeCoreException {
data.add("c");
assertEquals("c", result.getExactlyOne());
}
@Test
public void testGetOneOrNull() throws OseeCoreException {
Assert.assertNull(result.getOneOrNull());
data.add("a");
data.add("b");
data.add("c");
assertEquals("a", result.getOneOrNull());
}
@Test
public void testGetAtMostOneOrNullExceptionMoreThanOne() throws OseeCoreException {
assertNull(result.getAtMostOneOrNull());
data.add("a");
data.add("b");
data.add("c");
thrown.expect(MultipleItemsExist.class);
thrown.expectMessage("Multiple items found - total [3]");
assertEquals("a", result.getAtMostOneOrNull());
}
@Test
public void testGetAtMostOneOrNull() throws OseeCoreException {
assertNull(result.getAtMostOneOrNull());
data.add("a");
assertEquals("a", result.getAtMostOneOrNull());
}
@Test
public void testIterator() {
data.add("a");
data.add("b");
data.add("c");
Iterator<String> iterator = result.iterator();
assertEquals("a", iterator.next());
assertEquals("b", iterator.next());
assertEquals("c", iterator.next());
}
}
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