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ResultSetTest.java
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ResultSetTest.java
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/**
* Copyright (C) 2019 Czech Technical University in Prague
*
* This program is free software: you can redistribute it and/or modify it under
* the terms of the GNU General Public License as published by the Free Software
* Foundation, either version 3 of the License, or (at your option) any
* later version.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
* details. You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package cz.cvut.kbss.ontodriver;
import cz.cvut.kbss.ontodriver.iteration.ResultRow;
import cz.cvut.kbss.ontodriver.iteration.ResultSetIterator;
import cz.cvut.kbss.ontodriver.iteration.ResultSetSpliterator;
import org.junit.jupiter.api.Test;
import java.util.Iterator;
import java.util.Spliterator;
import java.util.stream.Stream;
import static org.hamcrest.CoreMatchers.containsString;
import static org.hamcrest.CoreMatchers.instanceOf;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertThrows;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;
class ResultSetTest {
@Test
void iteratorCreatesResultSetIteratorOverResultSetInstance() {
final ResultSet sut = mock(ResultSet.class);
when(sut.iterator()).thenCallRealMethod();
when(sut.isOpen()).thenReturn(true);
final Iterator<ResultRow> result = sut.iterator();
assertNotNull(result);
assertThat(result, instanceOf(ResultSetIterator.class));
}
@Test
void iteratorThrowsIllegalStateWhenResultSetIsClosed() {
final ResultSet sut = mock(ResultSet.class);
when(sut.iterator()).thenCallRealMethod();
when(sut.isOpen()).thenReturn(false);
final IllegalStateException result = assertThrows(IllegalStateException.class, () -> sut.iterator());
assertThat(result.getMessage(), containsString("result set is closed"));
}
@Test
void spliteratorCreatesResultSetSpliteratorOverResultSetInstance() {
final ResultSet sut = mock(ResultSet.class);
when(sut.spliterator()).thenCallRealMethod();
when(sut.isOpen()).thenReturn(true);
final Spliterator<ResultRow> result = sut.spliterator();
assertThat(result, instanceOf(ResultSetSpliterator.class));
}
@Test
void spliteratorThrowsIllegalStateExceptionWhenResultSetIsClosed() {
final ResultSet sut = mock(ResultSet.class);
when(sut.spliterator()).thenCallRealMethod();
when(sut.isOpen()).thenReturn(false);
final IllegalStateException result = assertThrows(IllegalStateException.class, () -> sut.spliterator());
assertThat(result.getMessage(), containsString("result set is closed"));
}
@Test
void streamReturnsStreamOverResultSetInstance() {
final ResultSet sut = mock(ResultSet.class);
when(sut.spliterator()).thenCallRealMethod();
when(sut.isOpen()).thenReturn(true);
when(sut.stream()).thenCallRealMethod();
final Stream<ResultRow> result = sut.stream();
assertNotNull(result);
}
}