/*
* Copyright 2010 The Rabbit Eclipse Plug-in Project
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not
* use this file except in compliance with the License. You may obtain a copy of
* the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
* License for the specific language governing permissions and limitations under
* the License.
*/
package rabbit.ui.internal.viewers;
import static org.hamcrest.CoreMatchers.is;
import static org.junit.Assert.*;
import static org.mockito.BDDMockito.given;
import static org.mockito.Mockito.mock;
import org.eclipse.jface.viewers.ITreePathContentProvider;
import org.eclipse.jface.viewers.LabelProvider;
import org.eclipse.jface.viewers.TreePath;
import org.eclipse.jface.viewers.TreeViewer;
import org.junit.Before;
import org.junit.Test;
import static java.lang.Boolean.FALSE;
import static java.lang.Boolean.TRUE;
/**
* @see TreePathPatternFilter
*/
public final class TreePathPatternFilterTest {
TreePathPatternFilter filter;
@Before
public void create() {
filter = new TreePathPatternFilter(new LabelProvider());
}
@Test(expected = NullPointerException.class)
public void shouldThrowAnExceptionIfTryToConstructWithoutALabelProvider() {
new TreePathPatternFilter(null);
}
@Test
public void shouldHideTheElementIfTheLabelOfTheElementDoesNotMatchTheFilterText() {
TreePath path = new TreePath(new Object[]{"parent", "child"});
ITreePathContentProvider contentProvider = mock(ITreePathContentProvider.class);
given(contentProvider.getChildren(path.getParentPath()))
.willReturn(new Object[]{path.getLastSegment()});
given(contentProvider.getChildren(path))
.willReturn(new Object[0]);
given(contentProvider.getParents(path.getLastSegment()))
.willReturn(new TreePath[]{path.getParentPath()});
TreeViewer v = mock(TreeViewer.class);
given(v.getContentProvider()).willReturn(contentProvider);
filter.setPattern("not a match");
assertThat(filter.isElementVisible(v, path.getLastSegment()), is(FALSE));
}
@Test
public void shouldShowTheElementIfTheLabelOfTheElementMatchesTheFilterText() {
TreePath path = new TreePath(new Object[]{"parent", "child"});
ITreePathContentProvider contentProvider = mock(ITreePathContentProvider.class);
given(contentProvider.getChildren(path.getParentPath()))
.willReturn(new Object[]{path.getLastSegment()});
given(contentProvider.getParents(path.getLastSegment()))
.willReturn(new TreePath[]{path.getParentPath()});
TreeViewer v = mock(TreeViewer.class);
given(v.getContentProvider()).willReturn(contentProvider);
filter.setPattern("child");
assertThat(filter.isElementVisible(v, path.getLastSegment()), is(TRUE));
}
}