package org.apache.maven.integrationtests;

import java.io.File;
import java.util.Iterator;
import java.util.List;

import junit.framework.Assert;

import org.apache.maven.artifact.versioning.InvalidVersionSpecificationException;
import org.apache.maven.it.IntegrationTestRunner;

public class MavenITmng2972OverridePluginDependency
    extends AbstractMavenIntegrationTestCase
{
    public MavenITmng2972OverridePluginDependency()
        throws InvalidVersionSpecificationException
    {
        super( "(2.0.8,)" );
    }

    public void testitMNG2972()
        throws Exception
    {

        // The testdir is computed from the location of this
        // file.
        File testDir = extractTestResources( getClass(), "/mng2972-overridingPluginDependency" );

        IntegrationTestRunner itr;

        /*
         * We must first make sure that any artifact created by this test has been removed from the local repository.
         * Failing to do this could cause unstable test results. Fortunately, the itr makes it easy to do this.
         */
        itr = new IntegrationTestRunner( testDir.getAbsolutePath() );
        itr.deleteArtifact( "org.apache.maven.its.mng2972", "user", "1.0", "jar" );
        itr.deleteArtifact( "org.apache.maven.its.mng2972", "mojo", "0.0.1-SNAPSHOT", "jar" );
        itr.deleteArtifact( "org.apache.maven.its.mng2972", "dep", "1.0", "jar" );
        itr.deleteArtifact( "org.apache.maven.its.mng2972", "dep", "2.0", "jar" );

        itr = new IntegrationTestRunner( new File( testDir.getAbsolutePath(), "dep1" ).getAbsolutePath() );
        itr.invoke( "install" );
        itr.verifyErrorFreeLog();

        itr = new IntegrationTestRunner( new File( testDir.getAbsolutePath(), "dep2" ).getAbsolutePath() );
        itr.invoke( "install" );
        itr.verifyErrorFreeLog();

        itr = new IntegrationTestRunner( new File( testDir.getAbsolutePath(), "mojo" ).getAbsolutePath() );
        itr.invoke( "install" );
        itr.verifyErrorFreeLog();

        itr = new IntegrationTestRunner( new File( testDir.getAbsolutePath(), "user" ).getAbsolutePath() );
        itr.invoke( "validate" );
        itr.verifyErrorFreeLog();

        List lines =
            itr.loadFile( new File( testDir.getAbsolutePath(), "user" ).getAbsolutePath(), "log.txt", false );
        int foundVersionOne = 0;
        int foundVersionTwo = 0;
        for ( Iterator i = lines.iterator(); i.hasNext(); )
        {

            String line = (String) i.next();
            if ( line.indexOf( "MNG-2972-VERSION-1" ) != -1 )
                foundVersionOne++;
            if ( line.indexOf( "MNG-2972-VERSION-2" ) != -1 )
                foundVersionTwo++;
        }

        itr.resetStreams();

        Assert.assertEquals( "Should not be using plugin dependency version 1", 0, foundVersionOne );
        Assert.assertEquals( "Should be using plugin version 2 once.", 1, foundVersionTwo );

        /**
         * Now try to execute the plugin directly
         */

        itr = new IntegrationTestRunner( new File( testDir.getAbsolutePath(), "user" ).getAbsolutePath() );
        itr.invoke( "org.apache.maven.its.mng2972:mojo:0.0.1-SNAPSHOT:test" );
        itr.verifyErrorFreeLog();

        lines = itr.loadFile( new File( testDir.getAbsolutePath(), "user" ).getAbsolutePath(), "log.txt", false );
        foundVersionOne = 0;
        foundVersionTwo = 0;
        for ( Iterator i = lines.iterator(); i.hasNext(); )
        {

            String line = (String) i.next();
            if ( line.indexOf( "MNG-2972-VERSION-1" ) != -1 )
                foundVersionOne++;
            if ( line.indexOf( "MNG-2972-VERSION-2" ) != -1 )
                foundVersionTwo++;
        }

        itr.resetStreams();

        Assert.assertEquals( "Should not be using plugin dependency version 1", 0, foundVersionOne );
        Assert.assertEquals( "Should be using plugin version 2 once.", 1, foundVersionTwo );
    }
}