package org.apache.maven.plugins.verifier;

/*
 * 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 org.apache.maven.plugin.MojoExecutionException;
import org.junit.Test;

import java.io.File;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.nio.charset.StandardCharsets;

import static org.junit.Assert.*;

public class VerifierMojoTest
{
    private File getResourceFile( String name ) throws UnsupportedEncodingException
    {
        String file = getClass().getResource( name ).getFile();
        String decode = URLDecoder.decode( file, StandardCharsets.UTF_8.toString()  ); // necessary for JDK 1.5+, where spaces are escaped to %20
        return new File( decode );
    }

    @Test
    public void testPrefixWithBaseDir()
    {
        VerifierMojo mojo = new VerifierMojo();
        mojo.setBaseDir( new File( "c:/some/path" ) );

        File result = mojo.getAbsoluteFileToCheck( new File( "target/dummy.txt" ) );

        File expectedResult = new File( "c:/some/path/target/dummy.txt" );
        assertEquals( expectedResult.getPath(), result.getPath() );
    }

    @Test
    public void testDoNotPrefixWhenAbsolutePath()
    {
        VerifierMojo mojo = new VerifierMojo();
        mojo.setBaseDir( new File( "/some/path" ).getAbsoluteFile() );

        File absoluteFile = new File( "/project/target/dummy.txt" ).getAbsoluteFile();
        File result = mojo.getAbsoluteFileToCheck( absoluteFile );

        assertEquals( absoluteFile.getPath(), result.getPath() );
    }

    @Test
    public void testCheckFileThatDoesNotExist()
        throws Exception
    {
        VerifierMojo mojo = new VerifierMojo();
        File file = getResourceFile( "/FileDoesNotExist.xml" );
        mojo.setBaseDir( new File( "c:/some/path" ) );
        mojo.setVerificationFile( file );
        mojo.setFailOnError( true );
        mojo.setVerificationResultPrinter( new VerificationResultPrinter()
        {
            public void print( VerificationResult result )
            {
                assertEquals( 1, result.getExistenceFailures().size() );
                assertEquals( 0, result.getNonExistenceFailures().size() );
                assertEquals( 0, result.getContentFailures().size() );
            }
        } );

        try
        {
            mojo.execute();
            fail( "Should have thrown an exception" );
        }
        catch ( MojoExecutionException expected )
        {
            assertTrue( true );
        }
    }

    @Test
    public void testCheckFileThatExists()
        throws Exception
    {
        VerifierMojo mojo = new VerifierMojo();
        File file = getResourceFile( "/File Exists.xml" );
        mojo.setBaseDir( file.getParentFile() );
        mojo.setVerificationFile( file );
        mojo.setFailOnError( true );
        mojo.setVerificationResultPrinter( new VerificationResultPrinter()
        {
            public void print( VerificationResult result )
            {
                assertEquals( 0, result.getExistenceFailures().size() );
                assertEquals( 0, result.getNonExistenceFailures().size() );
                assertEquals( 0, result.getContentFailures().size() );
            }
        } );

        mojo.execute();
    }

    @Test
    public void testCheckForInexistentFile()
        throws Exception
    {
        VerifierMojo mojo = new VerifierMojo();
        File file = getResourceFile( "/InexistentFile.xml" );
        mojo.setBaseDir( new File( "c:/some/path" ) );
        mojo.setVerificationFile( file );
        mojo.setVerificationResultPrinter( new VerificationResultPrinter()
        {
            public void print( VerificationResult result )
            {
                assertEquals( 0, result.getExistenceFailures().size() );
                assertEquals( 0, result.getNonExistenceFailures().size() );
                assertEquals( 0, result.getContentFailures().size() );
            }
        } );

        mojo.execute();
    }

    @Test
    public void testCheckForInexistentFileThatExists()
        throws Exception
    {
        VerifierMojo mojo = new VerifierMojo();
        File file = getResourceFile( "/InexistentFileThatExists.xml" );
        mojo.setBaseDir( file.getParentFile() );
        mojo.setVerificationFile( file );
        mojo.setFailOnError( true );
        mojo.setVerificationResultPrinter( new VerificationResultPrinter()
        {
            public void print( VerificationResult result )
            {
                assertEquals( 0, result.getExistenceFailures().size() );
                assertEquals( 1, result.getNonExistenceFailures().size() );
                assertEquals( 0, result.getContentFailures().size() );
            }
        } );

        try
        {
            mojo.execute();
            fail( "Should have thrown an exception" );
        }
        catch ( MojoExecutionException expected )
        {
            assertTrue( true );
        }
    }

    @Test
    public void testCheckFileForContent()
        throws Exception
    {
        VerifierMojo mojo = new VerifierMojo();
        File file = getResourceFile( "/FileExistsValidContent.xml" );
        mojo.setBaseDir( file.getParentFile() );
        mojo.setVerificationFile( file );
        mojo.setVerificationResultPrinter( new VerificationResultPrinter()
        {
            public void print( VerificationResult result )
            {
                assertEquals( 0, result.getExistenceFailures().size() );
                assertEquals( 0, result.getNonExistenceFailures().size() );
                assertEquals( 0, result.getContentFailures().size() );
            }
        } );

        mojo.execute();
    }

    @Test
    public void testCheckFileForInvalidContent()
        throws Exception
    {
        VerifierMojo mojo = new VerifierMojo();
        File file = getResourceFile( "/FileExistsInvalidContent.xml" );
        mojo.setBaseDir( file.getParentFile() );
        mojo.setVerificationFile( file );
        mojo.setFailOnError( true );
        mojo.setVerificationResultPrinter( new VerificationResultPrinter()
        {
            public void print( VerificationResult result )
            {
                assertEquals( 0, result.getExistenceFailures().size() );
                assertEquals( 0, result.getNonExistenceFailures().size() );
                assertEquals( 1, result.getContentFailures().size() );
            }
        } );

        try
        {
            mojo.execute();
            fail( "Should have thrown an exception" );
        }
        catch ( MojoExecutionException expected )
        {
            assertTrue( true );
        }
    }

}