package org.apache.maven.plugins.dependency.utils.markers;

/* 
 * 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.    
 */

import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.List;

import junit.framework.TestCase;

import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.DefaultArtifact;
import org.apache.maven.artifact.handler.ArtifactHandler;
import org.apache.maven.artifact.handler.DefaultArtifactHandler;
import org.apache.maven.artifact.versioning.VersionRange;
import org.apache.maven.plugin.MojoExecutionException;
import org.apache.maven.plugins.dependency.testUtils.DependencyTestUtils;
import org.apache.maven.plugins.dependency.testUtils.stubs.StubDefaultFileMarkerHandler;
import org.apache.maven.plugin.logging.Log;
import org.apache.maven.plugin.testing.SilentLog;

/**
 * @author brianf
 */
public class TestDefaultMarkerFileHandler
    extends TestCase
{
    List<Artifact> artifacts = new ArrayList<Artifact>();

    Log log = new SilentLog();

    File outputFolder;

    protected void setUp()
        throws Exception
    {
        super.setUp();

        ArtifactHandler ah = new DefaultArtifactHandler();
        VersionRange vr = VersionRange.createFromVersion( "1.1" );
        Artifact artifact = new DefaultArtifact( "test", "1", vr, Artifact.SCOPE_COMPILE, "jar", "", ah, false );
        artifacts.add( artifact );
        artifact = new DefaultArtifact( "test", "2", vr, Artifact.SCOPE_PROVIDED, "war", "", ah, false );
        artifacts.add( artifact );
        artifact = new DefaultArtifact( "test", "3", vr, Artifact.SCOPE_TEST, "sources", "", ah, false );
        artifacts.add( artifact );
        artifact = new DefaultArtifact( "test", "4", vr, Artifact.SCOPE_RUNTIME, "zip", "", ah, false );
        artifacts.add( artifact );

        outputFolder = new File( "target/markers/" );
        DependencyTestUtils.removeDirectory( this.outputFolder );
        assertFalse( outputFolder.exists() );
    }

    protected void tearDown()
        throws IOException
    {
        DependencyTestUtils.removeDirectory( this.outputFolder );
    }

    public void testSetMarker()
        throws MojoExecutionException
    {
        DefaultFileMarkerHandler handler = new DefaultFileMarkerHandler( artifacts.get( 0 ), this.outputFolder );
        assertFalse( handler.isMarkerSet() );
        handler.setMarker();
        assertTrue( handler.isMarkerSet() );
        handler.clearMarker();
        assertFalse( handler.isMarkerSet() );

        handler.setMarker();
        assertTrue( handler.isMarkerSet() );
        handler.setMarker();
        assertTrue( handler.isMarkerSet() );

        handler.clearMarker();
        assertFalse( handler.isMarkerSet() );
        handler.clearMarker();
        assertFalse( handler.isMarkerSet() );
    }

    public void testMarkerFile()
        throws MojoExecutionException, IOException
    {
        DefaultFileMarkerHandler handler = new DefaultFileMarkerHandler( artifacts.get( 0 ), this.outputFolder );

        File handle = handler.getMarkerFile();
        assertFalse( handle.exists() );
        assertFalse( handler.isMarkerSet() );

        handler.setMarker();
        assertTrue( handler.isMarkerSet() );
        assertTrue( handle.exists() );

        handle.delete();
        assertFalse( handler.isMarkerSet() );

        handle.createNewFile();
        assertTrue( handler.isMarkerSet() );

        handler.clearMarker();
        assertFalse( handle.exists() );
    }

    public void testMarkerTimeStamp()
        throws MojoExecutionException, IOException, InterruptedException
    {
        File theFile = new File( outputFolder, "theFile.jar" );
        outputFolder.mkdirs();
        theFile.createNewFile();
        Artifact theArtifact = artifacts.get( 0 );
        theArtifact.setFile( theFile );
        DefaultFileMarkerHandler handler = new DefaultFileMarkerHandler( theArtifact, this.outputFolder );
        assertFalse( handler.isMarkerSet() );
        // if the marker is not set, assume it is infinately older than the
        // artifact.
        assertTrue( handler.isMarkerOlder( theArtifact ) );
        handler.setMarker();
        assertFalse( handler.isMarkerOlder( theArtifact ) );

        assertTrue( theFile.setLastModified( theFile.lastModified() + 60000 ) );
        assertTrue( handler.isMarkerOlder( theArtifact ) );

        theFile.delete();
        handler.clearMarker();
        assertFalse( handler.isMarkerSet() );
    }

    public void testMarkerFileException()
    {
        // this stub wraps the file with an object to throw exceptions
        StubDefaultFileMarkerHandler handler =
            new StubDefaultFileMarkerHandler( artifacts.get( 0 ), this.outputFolder );
        try
        {
            handler.setMarker();
            fail( "Expected an Exception here" );
        }
        catch ( MojoExecutionException e )
        {

        }
    }

    public void testGetterSetter()
    {
        DefaultFileMarkerHandler handler = new DefaultFileMarkerHandler( null, null );
        assertTrue( handler.getArtifact() == null );
        handler.setArtifact( artifacts.get( 0 ) );
        assertSame( artifacts.get( 0 ), handler.getArtifact() );

        assertTrue( handler.getMarkerFilesDirectory() == null );
        handler.setMarkerFilesDirectory( outputFolder );
        assertSame( outputFolder, handler.getMarkerFilesDirectory() );
    }

    public void testNullParent()
        throws MojoExecutionException
    {
        // the parent isn't set so this will create the marker in the local
        // folder. We must clear the
        // marker to avoid leaving test droppings in root.
        DefaultFileMarkerHandler handler = new DefaultFileMarkerHandler( null, null );
        handler.setArtifact( artifacts.get( 0 ) );
        handler.setMarker();
        assertTrue( handler.isMarkerSet() );
        handler.clearMarker();
        assertFalse( handler.isMarkerSet() );
    }
}