package org.apache.maven.scm.provider.git.gitexe.command.diff;

import java.io.BufferedReader;
import java.io.File;
import java.io.Reader;
import java.util.List;

import org.apache.maven.scm.ScmFile;
import org.apache.maven.scm.log.DefaultLog;
import org.codehaus.plexus.PlexusTestCase;
import org.codehaus.plexus.util.ReaderFactory;

/*
 * 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.
 */

/**
 * @author <a href="mailto:struberg@yahoo.de">Mark Struberg</a>
 */
public class GitDiffRawConsumerTest
    extends PlexusTestCase
{
    public void testUpToDate()
        throws Exception
    {

        GitDiffRawConsumer consumer = buildGitDiffRawConsumer("/src/test/resources/git/diff/git-diff-raw_long.out");

        List<ScmFile> changedFiles = consumer.getChangedFiles();

        assertEquals( 62, changedFiles.size() );
    }


    // ----------------------------------------------------------------------
    // private helper functions
    // ----------------------------------------------------------------------
    

    private GitDiffRawConsumer buildGitDiffRawConsumer(String fileName)
        throws Exception
    {
        GitDiffRawConsumer consumer = new GitDiffRawConsumer( new DefaultLog() );

        File f = getTestFile( fileName );
        Reader reader = ReaderFactory.newReader( f, "UTF-8" );
        BufferedReader r = new BufferedReader( reader );

        String line;

        while ( ( line = r.readLine() ) != null )
        {
            //System.out.println(" line " + line );
            consumer.consumeLine( line );
        }
        return consumer;
    }


}