net.flexmojos.oss.matcher.file.FileMatcher Maven / Gradle / Ivy

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/**
 * Flexmojos is a set of maven goals to allow maven users to compile, optimize and test Flex SWF, Flex SWC, Air SWF and Air SWC.
 * Copyright (C) 2008-2012  Marvin Froeder 
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program 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 for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see .
 */
package net.flexmojos.oss.matcher.file;

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

import org.hamcrest.Description;
import org.hamcrest.Matcher;
import org.hamcrest.Matchers;
import org.hamcrest.TypeSafeMatcher;

/**
 * time4tea technology ltd 2007 - Freely redistributable as long as source is acknowledged
 */
public class FileMatcher
{

    public static Matcher isDirectory()
    {
        return new TypeSafeMatcher()
        {
            File fileTested;

            public boolean matchesSafely( File item )
            {
                fileTested = item;
                return item.isDirectory();
            }

            public void describeTo( Description description )
            {
                description.appendText( " that " );
                description.appendValue( fileTested );
                description.appendText( "is a directory" );
            }
        };
    }

    public static Matcher exists()
    {
        return new TypeSafeMatcher()
        {
            File fileTested;

            public boolean matchesSafely( File item )
            {
                fileTested = item;
                return item.exists();
            }

            public void describeTo( Description description )
            {
                description.appendText( " that file " );
                description.appendValue( fileTested );
                description.appendText( " exists" );
            }
        };
    }

    public static Matcher isFile()
    {
        return new TypeSafeMatcher()
        {
            File fileTested;

            public boolean matchesSafely( File item )
            {
                fileTested = item;
                return item.isFile();
            }

            public void describeTo( Description description )
            {
                description.appendText( " that " );
                description.appendValue( fileTested );
                description.appendText( "is a file" );
            }
        };
    }

    public static Matcher readable()
    {
        return new TypeSafeMatcher()
        {
            File fileTested;

            public boolean matchesSafely( File item )
            {
                fileTested = item;
                return item.canRead();
            }

            public void describeTo( Description description )
            {
                description.appendText( " that file " );
                description.appendValue( fileTested );
                description.appendText( "is readable" );
            }
        };
    }

    public static Matcher writable()
    {
        return new TypeSafeMatcher()
        {
            File fileTested;

            public boolean matchesSafely( File item )
            {
                fileTested = item;
                return item.canWrite();
            }

            public void describeTo( Description description )
            {
                description.appendText( " that file " );
                description.appendValue( fileTested );
                description.appendText( "is writable" );
            }
        };
    }

    public static Matcher sized( Long size )
    {
        return sized( (Matcher) Matchers.equalTo( size ) );
    }

    public static Matcher sized( final Matcher size )
    {
        return new TypeSafeMatcher()
        {
            File fileTested;

            long length;

            public boolean matchesSafely( File item )
            {
                fileTested = item;
                length = item.length();
                return size.matches( length );
            }

            public void describeTo( Description description )
            {
                description.appendText( " that file " );
                description.appendValue( fileTested );
                description.appendText( " is sized " );
                description.appendDescriptionOf( size );
                description.appendText( ", not " + length );
            }
        };
    }

    public static Matcher named( final Matcher name )
    {
        return new TypeSafeMatcher()
        {
            File fileTested;

            public boolean matchesSafely( File item )
            {
                fileTested = item;
                return name.matches( item.getName() );
            }

            public void describeTo( Description description )
            {
                description.appendText( " that file " );
                description.appendValue( fileTested );
                description.appendText( " is named" );
                description.appendDescriptionOf( name );
                description.appendText( " not " );
                description.appendValue( fileTested.getName() );
            }
        };
    }

    public static Matcher withCanonicalPath( final Matcher path )
    {
        return new TypeSafeMatcher()
        {
            public boolean matchesSafely( File item )
            {
                try
                {
                    return path.matches( item.getCanonicalPath() );
                }
                catch ( IOException e )
                {
                    return false;
                }
            }

            public void describeTo( Description description )
            {
                description.appendText( "with canonical path '" );
                description.appendDescriptionOf( path );
                description.appendText( "'" );
            }
        };
    }

    public static Matcher withAbsolutePath( final Matcher path )
    {
        return new TypeSafeMatcher()
        {

            public boolean matchesSafely( File item )
            {
                return path.matches( item.getAbsolutePath() );
            }

            public void describeTo( Description description )
            {
                description.appendText( "with absolute path '" );
                description.appendDescriptionOf( path );
                description.appendText( "'" );
            }
        };
    }
}