Commons IO example source code file (ConditionalFileFilterAbstractTestCase.java)

This example Commons IO source code file (ConditionalFileFilterAbstractTestCase.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Commons IO tags/keywords

conditionalfilefilter, exception, file, io, iofilefilter, iofilefilter, list, list, string, test_file_name_prefix, test_file_type, testerfalsefilefilter, testerfalsefilefilter, testertruefilefilter, testertruefilefilter, util

The Commons IO ConditionalFileFilterAbstractTestCase.java source code

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.commons.io.filefilter;

import java.io.File;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.List;

public abstract class ConditionalFileFilterAbstractTestCase
  extends IOFileFilterAbstractTestCase {
    
  private static final String TEST_FILE_NAME_PREFIX = "TestFile";
  private static final String TEST_FILE_TYPE = ".tst";
  
  protected TesterTrueFileFilter[] trueFilters;
  protected TesterFalseFileFilter[] falseFilters;
  
  private File file;
  private File workingPath;
  
  public ConditionalFileFilterAbstractTestCase(final String name) {
    super(name);
  }
  
  @Override
  public void setUp() throws Exception {
    this.workingPath = this.determineWorkingDirectoryPath(this.getWorkingPathNamePropertyKey(), this.getDefaultWorkingPath());
    this.file = new File(this.workingPath, TEST_FILE_NAME_PREFIX + 1 + TEST_FILE_TYPE);
    this.trueFilters = new TesterTrueFileFilter[4];
    this.falseFilters = new TesterFalseFileFilter[4];
    this.trueFilters[1] = new TesterTrueFileFilter();
    this.trueFilters[2] = new TesterTrueFileFilter();
    this.trueFilters[3] = new TesterTrueFileFilter();
    this.falseFilters[1] = new TesterFalseFileFilter();
    this.falseFilters[2] = new TesterFalseFileFilter();
    this.falseFilters[3] = new TesterFalseFileFilter();
  }
  
  public void testAdd() {
    List<TesterTrueFileFilter> filters = new ArrayList();
    ConditionalFileFilter fileFilter = this.getConditionalFileFilter();
    filters.add(new TesterTrueFileFilter());
    filters.add(new TesterTrueFileFilter());
    filters.add(new TesterTrueFileFilter());
    filters.add(new TesterTrueFileFilter());
    for(int i = 0; i < filters.size(); i++) {
      assertEquals("file filters count: ", i, fileFilter.getFileFilters().size());
      fileFilter.addFileFilter(filters.get(i));
      assertEquals("file filters count: ", i+1, fileFilter.getFileFilters().size());
    }
    for(Iterator<IOFileFilter> iter = fileFilter.getFileFilters().iterator(); iter.hasNext();) {
      IOFileFilter filter = iter.next();
      assertTrue("found file filter", filters.contains(filter));
    }
    assertEquals("file filters count", filters.size(), fileFilter.getFileFilters().size());
  }
  
  public void testRemove() {
    List<TesterTrueFileFilter> filters = new ArrayList();
    ConditionalFileFilter fileFilter = this.getConditionalFileFilter();
    filters.add(new TesterTrueFileFilter());
    filters.add(new TesterTrueFileFilter());
    filters.add(new TesterTrueFileFilter());
    filters.add(new TesterTrueFileFilter());
    for(int i = 0; i < filters.size(); i++) {
      fileFilter.removeFileFilter(filters.get(i));
      assertTrue("file filter removed", !fileFilter.getFileFilters().contains(filters.get(i)));
    }
    assertEquals("file filters count", 0, fileFilter.getFileFilters().size());
  }

  public void testNoFilters() throws Exception {
    ConditionalFileFilter fileFilter = this.getConditionalFileFilter();
    File file = new File(this.workingPath, TEST_FILE_NAME_PREFIX + 1 + TEST_FILE_TYPE);
    assertFileFiltering(1, (IOFileFilter) fileFilter, file, false);
    assertFilenameFiltering(1, (IOFileFilter) fileFilter, file, false);
  }
  
  public void testFilterBuiltUsingConstructor() throws Exception {
    List<List testFilters = this.getTestFilters();
    List<boolean []> testTrueResults = this.getTrueResults();
    List<boolean []> testFalseResults = this.getFalseResults();
    List<Boolean> testFileResults = this.getFileResults();
    List<Boolean> testFilenameResults = this.getFilenameResults();
    
    for(int i = 1; i < testFilters.size(); i++) {
      List<IOFileFilter> filters = testFilters.get(i);
      boolean[] trueResults = testTrueResults.get(i);
      boolean[] falseResults = testFalseResults.get(i);
      boolean fileResults = testFileResults.get(i).booleanValue();
      boolean filenameResults = testFilenameResults.get(i).booleanValue();

      // Test conditional AND filter created by passing filters to the constructor
      IOFileFilter filter = this.buildFilterUsingConstructor(filters);
      
      // Test as a file filter
      this.resetTrueFilters(this.trueFilters);
      this.resetFalseFilters(this.falseFilters);
      this.assertFileFiltering(i, filter, this.file, fileResults);
      this.assertTrueFiltersInvoked(i, trueFilters, trueResults);
      this.assertFalseFiltersInvoked(i, falseFilters, falseResults);

      // Test as a filename filter
      this.resetTrueFilters(this.trueFilters);
      this.resetFalseFilters(this.falseFilters);
      this.assertFilenameFiltering(i, filter, this.file, filenameResults);
      this.assertTrueFiltersInvoked(i, trueFilters, trueResults);
      this.assertFalseFiltersInvoked(i, falseFilters, falseResults);
    }
  }
  
  public void testFilterBuiltUsingAdd() throws Exception {
    List<List testFilters = this.getTestFilters();
    List<boolean[]> testTrueResults = this.getTrueResults();
    List<boolean[]> testFalseResults = this.getFalseResults();
    List<Boolean> testFileResults = this.getFileResults();
    List<Boolean> testFilenameResults = this.getFilenameResults();
    
    for(int i = 1; i < testFilters.size(); i++) {
      List<IOFileFilter> filters = testFilters.get(i);
      boolean[] trueResults = testTrueResults.get(i);
      boolean[] falseResults = testFalseResults.get(i);
      boolean fileResults = testFileResults.get(i).booleanValue();
      boolean filenameResults = testFilenameResults.get(i).booleanValue();

      // Test conditional AND filter created by passing filters to the constructor
      IOFileFilter filter = this.buildFilterUsingAdd(filters);
      
      // Test as a file filter
      this.resetTrueFilters(this.trueFilters);
      this.resetFalseFilters(this.falseFilters);
      this.assertFileFiltering(i, filter, this.file, fileResults);
      this.assertTrueFiltersInvoked(i, trueFilters, trueResults);
      this.assertFalseFiltersInvoked(i, falseFilters, falseResults);

      // Test as a filename filter
      this.resetTrueFilters(this.trueFilters);
      this.resetFalseFilters(this.falseFilters);
      this.assertFilenameFiltering(i, filter, this.file, filenameResults);
      this.assertTrueFiltersInvoked(i, trueFilters, trueResults);
      this.assertFalseFiltersInvoked(i, falseFilters, falseResults);
    }
  }

  protected abstract ConditionalFileFilter getConditionalFileFilter();
  protected abstract IOFileFilter buildFilterUsingAdd(List<IOFileFilter> filters);
  protected abstract IOFileFilter buildFilterUsingConstructor(List<IOFileFilter> filters);
  protected abstract List<List getTestFilters();
  protected abstract List<boolean[]> getTrueResults();
  protected abstract List<boolean[]> getFalseResults();
  protected abstract List<Boolean> getFileResults();
  protected abstract List<Boolean> getFilenameResults();
  protected abstract String getWorkingPathNamePropertyKey();
  protected abstract String getDefaultWorkingPath();
}