/*
* Copyright 2002-2017 the original author or authors.
*
* 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 org.springframework.integration.file.filters;
import static org.hamcrest.Matchers.arrayWithSize;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.mockito.ArgumentMatchers.isA;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import static org.mockito.hamcrest.MockitoHamcrest.argThat;
import java.io.File;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import org.junit.Test;
/**
* @author Iwein Fuld
* @author Gary Russell
* @author Aaron Grant
* @author Artem Bilan
*/
public class CompositeFileListFilterTests {
@SuppressWarnings("unchecked")
private final FileListFilter<File> fileFilterMock1 = mock(FileListFilter.class);
@SuppressWarnings("unchecked")
private final FileListFilter<File> fileFilterMock2 = mock(FileListFilter.class);
private final File fileMock = mock(File.class);
@Test
public void forwardedToFilters() throws Exception {
CompositeFileListFilter<File> compositeFileFilter = new CompositeFileListFilter<File>();
compositeFileFilter.addFilter(fileFilterMock1);
compositeFileFilter.addFilter(fileFilterMock2);
List<File> returnedFiles = Collections.singletonList(fileMock);
when(fileFilterMock1.filterFiles(isA(File[].class))).thenReturn(returnedFiles);
when(fileFilterMock2.filterFiles(isA(File[].class))).thenReturn(returnedFiles);
assertEquals(returnedFiles, compositeFileFilter.filterFiles(new File[] { fileMock }));
verify(fileFilterMock1).filterFiles(isA(File[].class));
verify(fileFilterMock2).filterFiles(isA(File[].class));
compositeFileFilter.close();
}
@Test
public void forwardedToAddedFilters() throws Exception {
CompositeFileListFilter<File> compositeFileFilter = new CompositeFileListFilter<File>();
compositeFileFilter.addFilter(fileFilterMock1);
compositeFileFilter.addFilter(fileFilterMock2);
List<File> returnedFiles = Collections.singletonList(fileMock);
when(fileFilterMock1.filterFiles(isA(File[].class))).thenReturn(returnedFiles);
when(fileFilterMock2.filterFiles(isA(File[].class))).thenReturn(returnedFiles);
assertEquals(returnedFiles, compositeFileFilter.filterFiles(new File[] { fileMock }));
verify(fileFilterMock1).filterFiles(isA(File[].class));
verify(fileFilterMock2).filterFiles(isA(File[].class));
compositeFileFilter.close();
}
@Test
public void negative() throws Exception {
CompositeFileListFilter<File> compositeFileFilter = new CompositeFileListFilter<File>();
compositeFileFilter.addFilter(fileFilterMock1);
compositeFileFilter.addFilter(fileFilterMock2);
when(fileFilterMock2.filterFiles(isA(File[].class))).thenReturn(new ArrayList<File>());
when(fileFilterMock1.filterFiles(isA(File[].class))).thenReturn(new ArrayList<File>());
assertTrue(compositeFileFilter.filterFiles(new File[] { fileMock }).isEmpty());
compositeFileFilter.close();
}
@Test
public void excludeFromLaterFilters() throws Exception {
CompositeFileListFilter<File> compositeFileFilter = new ChainFileListFilter<>();
compositeFileFilter.addFilter(this.fileFilterMock1);
compositeFileFilter.addFilter(this.fileFilterMock2);
List<File> noFiles = new ArrayList<>();
when(this.fileFilterMock1.filterFiles(isA(File[].class))).thenReturn(noFiles);
assertEquals(noFiles, compositeFileFilter.filterFiles(new File[] { this.fileMock }));
verify(fileFilterMock1).filterFiles(argThat(arrayWithSize(1)));
verify(fileFilterMock2, never()).filterFiles(isA(File[].class));
compositeFileFilter.close();
}
}