
com.cedarsoft.test.utils.matchers.ContainsOnlyFilesMatcher Maven / Gradle / Ivy
/**
* Copyright (C) cedarsoft GmbH.
*
* Licensed under the GNU General Public License version 3 (the "License")
* with Classpath Exception; you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.cedarsoft.org/gpl3ce
* (GPL 3 with Classpath Exception)
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 3 only, as
* published by the Free Software Foundation. cedarsoft GmbH designates this
* particular file as subject to the "Classpath" exception as provided
* by cedarsoft GmbH in the LICENSE file that accompanied this code.
*
* This code 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
* version 3 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 3 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact cedarsoft GmbH, 72810 Gomaringen, Germany,
* or visit www.cedarsoft.com if you need additional information or
* have any questions.
*/
package com.cedarsoft.test.utils.matchers;
import org.apache.commons.io.FileUtils;
import org.apache.commons.io.filefilter.TrueFileFilter;
import org.hamcrest.BaseMatcher;
import org.hamcrest.Description;
import org.hamcrest.Matcher;
import javax.annotation.Nonnull;
import java.io.File;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;
/**
*
*/
public class ContainsOnlyFilesMatcher extends BaseMatcher {
@Nonnull
private final List filePaths;
public ContainsOnlyFilesMatcher( @Nonnull String... relativeFilePaths ) {
filePaths = new ArrayList( Arrays.asList( relativeFilePaths ) );
}
@Override
public boolean matches( Object o ) {
File dir = ( File ) o;
if ( !( ( File ) o ).isDirectory() ) {
return false;
}
Collection extends File> files = FileUtils.listFiles( dir, TrueFileFilter.INSTANCE, TrueFileFilter.INSTANCE );
if ( files.size() != filePaths.size() ) {
return false;
}
//Create the set with the expected files
Set extends File> expected = createExepectedSet( dir );
for ( File file : files ) {
if ( !expected.contains( file ) ) {
return false;
}
}
return true;
}
@Nonnull
private Set extends File> createExepectedSet( @Nonnull File baseDir ) {
Set expected = new HashSet();
for ( String filePath : filePaths ) {
expected.add( new File( baseDir, filePath ) );
}
return expected;
}
@Override
public void describeTo( Description description ) {
description.appendText( "contains only files " + filePaths );
}
@Nonnull
public List extends String> getFilePaths() {
return Collections.unmodifiableList( filePaths );
}
@Nonnull
public static Matcher containsOnlyFiles( @Nonnull String... relativeFilePaths ) {
return new ContainsOnlyFilesMatcher( relativeFilePaths );
}
@Nonnull
public static String toTree( @Nonnull File dir ) {
return ContainsFileMatcher.toTree( dir );
}
}
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