com.thruzero.common.core.fs.FileListVisitorTest.java Source code

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Here is the source code for com.thruzero.common.core.fs.FileListVisitorTest.java

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/*
 *   Copyright 2011 George Norman
 *
 *   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 com.thruzero.common.core.fs;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;

import java.io.File;
import java.io.IOException;

import org.apache.commons.io.filefilter.DirectoryFileFilter;
import org.junit.Test;

import com.thruzero.common.core.fs.WildcardFilter.FilterTypes;
import com.thruzero.common.core.fs.walker.visitor.FileListVisitor;
import com.thruzero.common.core.fs.walker.visitor.FileListVisitor.FileListStatus;
import com.thruzero.test.support.AbstractCoreTestCase;

/**
 * Unit test for FileListVisitor.
 * 
 * @author George Norman
 */
public class FileListVisitorTest extends AbstractCoreTestCase {
    public static final String NESTED_TEST_DIR_NAME = "nested";

    @Test
    public void testListOfSimpleDirectory() {
        // get test file in temp directory
        File nestedTestDir = getTestFile(NESTED_TEST_DIR_NAME);

        // walk the temp directory
        try {
            // find files named "*test*", using FileListVisitor
            FileAndDirectoryFilter filter = new FileAndDirectoryFilter(DirectoryFileFilter.INSTANCE,
                    new WildcardFilter("*test*"));
            FileListStatus listingStatus = (FileListStatus) new HierarchicalFileWalker(nestedTestDir, filter)
                    .accept(new FileListVisitor());
            assertEquals("Wrong number of files were found.", 5, listingStatus.getNumProcessed());
            assertEquals("Wrong number of files were found.", 5, listingStatus.getResults().size());
        } catch (IOException e) {
            fail("FileListFileWalker generated exception: " + e);
        }
    }

    @Test
    public void testWildcardFilter() {
        // get test file in temp directory
        File nestedTestDir = getTestFile(NESTED_TEST_DIR_NAME);

        // walk the temp directory
        try {
            // find files named "*test*", using WildcardFilter
            WildcardFilter filter = new WildcardFilter("*test*", FilterTypes.FILES, false);
            FileListStatus listingStatus = (FileListStatus) new HierarchicalFileWalker(nestedTestDir, filter)
                    .accept(new FileListVisitor());
            assertEquals("Wrong number of files were found.", 5, listingStatus.getNumProcessed());
            assertEquals("Wrong number of files were found.", 5, listingStatus.getResults().size());
        } catch (IOException e) {
            fail("FileListFileWalker generated exception: " + e);
        }
    }

    @Test
    public void testInvertedWildcardFilter() {
        // get test file in temp directory
        File nestedTestDir = getTestFile(NESTED_TEST_DIR_NAME);

        // walk the temp directory
        try {
            // find files not named "*test*", using FileListVisitor
            WildcardFilter filter = new WildcardFilter("*test*", FilterTypes.FILES, true);
            FileListStatus listingStatus = (FileListStatus) new HierarchicalFileWalker(nestedTestDir, filter)
                    .accept(new FileListVisitor());
            assertEquals("Wrong number of files were found.", 6, listingStatus.getNumProcessed());
            assertEquals("Wrong number of files were found.", 6, listingStatus.getResults().size());
        } catch (IOException e) {
            fail("FileListFileWalker generated exception: " + e);
        }
    }

    @Test
    public void testMoreWildcardFilter() {
        // get test file in temp directory
        File nestedTestDir = getTestFile(NESTED_TEST_DIR_NAME);

        // walk the temp directory
        try {
            // find files named "*test*", using WildcardFilter
            WildcardFilter filter = new WildcardFilter("*more*", FilterTypes.FILES, false);
            FileListStatus listingStatus = (FileListStatus) new HierarchicalFileWalker(nestedTestDir, filter)
                    .accept(new FileListVisitor());
            assertEquals("Wrong number of files were found.", 4, listingStatus.getNumProcessed());
            assertEquals("Wrong number of files were found.", 4, listingStatus.getResults().size());
        } catch (IOException e) {
            fail("FileListFileWalker generated exception: " + e);
        }
    }

}