CC-Tweaked/src/test/java/dan200/computercraft/core/FileSystemTest.java

59 lines
2.2 KiB
Java

/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2018. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.core;
import com.google.common.io.Files;
import dan200.computercraft.api.filesystem.IWritableMount;
import dan200.computercraft.api.lua.LuaException;
import dan200.computercraft.core.apis.ObjectWrapper;
import dan200.computercraft.core.apis.handles.EncodedWritableHandle;
import dan200.computercraft.core.filesystem.FileMount;
import dan200.computercraft.core.filesystem.FileSystem;
import dan200.computercraft.core.filesystem.FileSystemException;
import dan200.computercraft.core.filesystem.FileSystemWrapper;
import org.junit.Test;
import java.io.BufferedWriter;
import java.io.File;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import static org.junit.Assert.assertEquals;
public class FileSystemTest
{
private static final File ROOT = new File( "test-files/filesystem" );
/**
* Ensures writing a file truncates it.
*/
@Test
public void testWriteTruncates() throws FileSystemException, LuaException, IOException
{
IWritableMount writableMount = new FileMount( ROOT, 1000000 );
FileSystem fs = new FileSystem( "hdd", writableMount );
{
FileSystemWrapper<BufferedWriter> writer = fs.openForWrite( "out.txt", false, EncodedWritableHandle::openUtf8 );
ObjectWrapper wrapper = new ObjectWrapper( new EncodedWritableHandle( writer.get(), writer ) );
wrapper.call( "write", "This is a long line" );
wrapper.call( "close" );
}
assertEquals( "This is a long line", Files.toString( new File( ROOT, "out.txt" ), StandardCharsets.UTF_8 ) );
{
FileSystemWrapper<BufferedWriter> writer = fs.openForWrite( "out.txt", false, EncodedWritableHandle::openUtf8 );
ObjectWrapper wrapper = new ObjectWrapper( new EncodedWritableHandle( writer.get(), writer ) );
wrapper.call( "write", "Tiny line" );
wrapper.call( "close" );
}
assertEquals( "Tiny line", Files.toString( new File( ROOT, "out.txt" ), StandardCharsets.UTF_8 ) );
}
}