package tests;

import java.io.ByteArrayInputStream;

import org.codehaus.groovy.eclipse.core.compiler.GroovyCompiler;
import org.codehaus.groovy.eclipse.core.compiler.GroovyCompilerConfigurationBuilder;
import org.codehaus.groovy.eclipse.core.compiler.IGroovyCompiler;
import org.codehaus.groovy.eclipse.core.compiler.IGroovyCompilerConfiguration;
import org.codehaus.groovy.eclipse.refactoring.core.utils.GroovyCompilationReporter;

import junit.framework.TestCase;

public class ASTBuilderTest extends TestCase{
	
	private final static String GROOVY_CODE = "def a = new unknownClass()";
	
	private void generateAST(IGroovyCompilerConfiguration config){
		ByteArrayInputStream is = new ByteArrayInputStream(GROOVY_CODE.getBytes());
		GroovyCompilationReporter reporter = new GroovyCompilationReporter();
		IGroovyCompiler compiler = new GroovyCompiler();
		compiler.compile("", is, config, reporter);
	}
	
	public void testRegularASTGeneration(){
		IGroovyCompilerConfiguration config = new GroovyCompilerConfigurationBuilder().buildAST().done();
		try {
			generateAST(config);
			fail("Generation is supposed to fail in this case");
		} catch (IllegalStateException e) {
		}
	}
	
	public void testASTGenerationWithOutClassResolution(){
		IGroovyCompilerConfiguration config = new GroovyCompilerConfigurationBuilder().buildAST().doNotResolveAST().done();
		try {
			generateAST(config);
		} catch (IllegalStateException e) {
			fail("Generation is not supposed to fail in this case");
		}
	}

}