CC-Tweaked/src/test/java/dan200/computercraft/shared/network/client/TerminalStateTest.java

86 lines
2.6 KiB
Java

/*
* This file is part of ComputerCraft - http://www.computercraft.info
* Copyright Daniel Ratcliffe, 2011-2020. Do not distribute without permission.
* Send enquiries to dratcliffe@gmail.com
*/
package dan200.computercraft.shared.network.client;
import dan200.computercraft.core.terminal.Terminal;
import dan200.computercraft.core.terminal.TextBuffer;
import io.netty.buffer.Unpooled;
import net.minecraft.network.PacketBuffer;
import org.junit.jupiter.api.RepeatedTest;
import java.util.Random;
import static org.junit.jupiter.api.Assertions.*;
/**
* Tests {@link TerminalState} round tripping works as expected.
*/
public class TerminalStateTest
{
@RepeatedTest( 5 )
public void testCompressed()
{
Terminal terminal = randomTerminal();
PacketBuffer buffer = new PacketBuffer( Unpooled.directBuffer() );
new TerminalState( true, terminal, true ).write( buffer );
checkEqual( terminal, read( buffer ) );
assertEquals( 0, buffer.readableBytes() );
}
@RepeatedTest( 5 )
public void testUncompressed()
{
Terminal terminal = randomTerminal();
PacketBuffer buffer = new PacketBuffer( Unpooled.directBuffer() );
new TerminalState( true, terminal, false ).write( buffer );
checkEqual( terminal, read( buffer ) );
assertEquals( 0, buffer.readableBytes() );
}
private static Terminal randomTerminal()
{
Random random = new Random();
Terminal terminal = new Terminal( 10, 5 );
for( int y = 0; y < terminal.getHeight(); y++ )
{
TextBuffer buffer = terminal.getLine( y );
for( int x = 0; x < buffer.length(); x++ ) buffer.setChar( x, (char) (random.nextInt( 26 ) + 65) );
}
return terminal;
}
private static void checkEqual( Terminal expected, Terminal actual )
{
assertNotNull( expected, "Expected cannot be null" );
assertNotNull( actual, "Actual cannot be null" );
assertEquals( expected.getHeight(), actual.getHeight(), "Heights must match" );
assertEquals( expected.getWidth(), actual.getWidth(), "Widths must match" );
for( int y = 0; y < expected.getHeight(); y++ )
{
assertEquals( expected.getLine( y ).toString(), actual.getLine( y ).toString() );
}
}
private static Terminal read( PacketBuffer buffer )
{
TerminalState state = new TerminalState( buffer );
assertTrue( state.colour );
if( !state.hasTerminal() ) return null;
Terminal other = new Terminal( state.width, state.height );
state.apply( other );
return other;
}
}