/*
 * Cobertura - http://cobertura.sourceforge.net/
 *
 * Copyright (C) 2005 James Seigel
 * Copyright (C) 2005 Grzegorz Lukasik
 * 
 * Cobertura 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 2 of the License,
 * or (at your option) any later version.
 *
 * Cobertura 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 Cobertura; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA
 */

package net.sourceforge.cobertura.util;

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

import junit.framework.*;

public class FileFinderTest extends TestCase {
    private FileFinder fileFinder;
    private FileFixture fileFixture;

    public void testGetSourceDirectoryList() {
        assertEquals(4, fileFinder.getSourceDirectoryList().size());
        assertTrue(new FileFinder().getSourceDirectoryList().isEmpty());
        
        FileFinder ff = new FileFinder();
        ff.addSourceDirectory( FileFixture.SOURCE_DIRECTORY_IDENTIFIER[0]);
        assertEquals( 1, ff.getSourceDirectoryList().size());
        ff.addSourceDirectory( FileFixture.SOURCE_DIRECTORY_IDENTIFIER[3]);
        assertEquals( 2, ff.getSourceDirectoryList().size());
        
        ff = new FileFinder();
        ff.addSourceFile( FileFixture.SOURCE_DIRECTORY_IDENTIFIER[0], "com/example/Sample1.java");
        ff.addSourceFile( FileFixture.SOURCE_DIRECTORY_IDENTIFIER[0], "com/example/Sample2.java");
        assertEquals( 1, ff.getSourceDirectoryList().size());
        ff.addSourceFile( FileFixture.SOURCE_DIRECTORY_IDENTIFIER[1], "com/example/Sample3.java");
        assertEquals( 2, ff.getSourceDirectoryList().size());
        ff.addSourceDirectory( FileFixture.SOURCE_DIRECTORY_IDENTIFIER[3]);
        assertEquals( 3, ff.getSourceDirectoryList().size());
    }

    private void checkFile( String fileName, String baseName, int sourceNum) throws IOException {
    	File file = fileFinder.getFileForSource( fileName);
    	assertTrue( file.getAbsolutePath(), file.getAbsolutePath().indexOf(FileFixture.SOURCE_DIRECTORY_IDENTIFIER[sourceNum])!=-1);
    	assertTrue( baseName.equals( file.getName()));
    	assertTrue( file.exists());
    	assertTrue( file.isFile());
    }
    
    public void testFindFile() throws IOException {
    	checkFile("com/example/Sample1.java", "Sample1.java", 0);
    	checkFile("com\\example\\Sample2.java", "Sample2.java", 0);
    	checkFile("com/example\\Sample3.java", "Sample3.java", 1);
    	checkFile("com/example/Sample4.java", "Sample4.java", 1);
    	checkFile("com/example/Sample5.java", "Sample5.java", 2);
    	checkFile("com/example/Sample6.java", "Sample6.java", 2);
    	checkFile("com\\example/Sample7.java", "Sample7.java", 3);
    }

    public void testFindFile_NotFound() {
    	try {
    		fileFinder.getFileForSource("com/example/Sample19.java");
    		fail( "IOException expected");
    	} catch( IOException ex) {}
    	try {
    		fileFinder.getFileForSource("com/example/Sample1.jav");
    		fail( "IOException expected");
    	} catch( IOException ex) {}
    	try {
    		fileFinder.getFileForSource("com/example/Sample7.java2");
    		fail( "IOException expected");
    	} catch( IOException ex) {}
    	try {
    		fileFinder.getFileForSource("Sample3.java");
    		fail( "IOException expected");
    	} catch( IOException ex) {}
    	try {
    		// This file exist, but is not added to fileFinder
    		fileFinder.getFileForSource("com/example/Sample8.java");
    		fail( "IOException expected");
    	} catch( IOException ex) {}
    }

    public void testFindFile_null() throws IOException {
    	try {
    		fileFinder.getFileForSource(null);
    		fail( "NullPointerException expected");
    	} catch( NullPointerException ex) {}
    }

    public void testAddSourceDirectory_null() {
    	try {
    		fileFinder.addSourceDirectory(null);
    		fail( "NullPointerException expected");
    	} catch( NullPointerException ex) {}
    }
    
    public void testAddSourceFile_null() {
    	try {
    		fileFinder.addSourceFile(null,"com/example/Sample1.java");
    		fail( "NullPointerException expected");
    	} catch( NullPointerException ex) {}
    	try {
    		fileFinder.addSourceFile( FileFixture.SOURCE_DIRECTORY_IDENTIFIER[0], null);
    		fail( "NullPointerException expected");
    	} catch( NullPointerException ex) {}
    }

    protected void setUp() throws Exception {
        super.setUp();
        fileFixture = new FileFixture();
        fileFixture.setUp();

        fileFinder = new FileFinder();
        fileFinder.addSourceDirectory(fileFixture.sourceDirectory(FileFixture.SOURCE_DIRECTORY_IDENTIFIER[0]).toString());
        fileFinder.addSourceDirectory(fileFixture.sourceDirectory(FileFixture.SOURCE_DIRECTORY_IDENTIFIER[1]).toString());
        fileFinder.addSourceFile( fileFixture.sourceDirectory(FileFixture.SOURCE_DIRECTORY_IDENTIFIER[2]).toString(), "com/example\\Sample5.java");
        fileFinder.addSourceFile( fileFixture.sourceDirectory(FileFixture.SOURCE_DIRECTORY_IDENTIFIER[2]).toString(), "com/example/Sample6.java");
        fileFinder.addSourceFile( fileFixture.sourceDirectory(FileFixture.SOURCE_DIRECTORY_IDENTIFIER[3]).toString(), "com/example/Sample7.java");

        // Do not add com/example/Sample8.java
        // fileFinder.addSourceFile( fileFixture.sourceDirectory(FileFixture.SOURCE_DIRECTORY_IDENTIFIER[3]).toString(), "com/example/Sample8.java");
    }

    protected void tearDown() throws Exception {
        super.tearDown();
        fileFixture.tearDown();
    }

}
