/*
 * Copyright (C) 2014 Civilian Framework.
 *
 * Licensed under the Civilian License (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.civilian-framework.org/license.txt
 *
 * 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.
 */
package org.civilian.tool.csp;


import java.io.File;
import java.util.ArrayList;
import org.junit.Test;
import org.civilian.CivTest;
import org.civilian.tool.csp.CspCompiler;
import org.civilian.tool.csp.CspException;


public class CspTest extends CivTest
{
	@Test public void testCompile1() throws Exception
	{
		assertCompile("test1");
	}
	
	
	@Test public void testCompile2() throws Exception
	{
		assertCompile("test2");
	}
		
		
	@Test public void testCompile3() throws Exception
	{
		assertCompile("test3");
	}
	
	
	@Test public void testCompile4() throws Exception
	{
		assertCompile("test4");
	}
	
	
	@Test public void testCompile5() throws Exception
	{
		assertCompile("test5");
	}
	
	
	private void assertCompile(String testCase) throws Exception
	{
		String compiled = compile(testCase);
		
		File outFile = findTestFile(testCase + ".out");
		String expected = read(outFile);
		
		compareFiles(expected, compiled);
	}
	
		
	private String compile(String testCase) throws Exception
	{
		File cspFile = findTestFile(testCase + ".csp");
		File tmpFile = File.createTempFile("csptest", ".tmp");
		try
		{
			ArrayList<String> args = new ArrayList<>();
			args.add("-v");
			args.add("0");
			args.add("-force");
			args.add("-out:file");
			args.add(tmpFile.getAbsolutePath());
			args.add(cspFile.getAbsolutePath());
			CspCompiler.main(args.toArray(new String[args.size()]));
			
			return read(tmpFile);
		}
		finally
		{
			tmpFile.delete();
		}
	}
	
	
	@Test public void testError1() throws Exception
	{
		assertError("err1", 0, "cannot detect package for template 'err1.csp', please provide a explicit package in the template (err1.csp:1): 'x'");
	}
	

	@Test public void testError2() throws Exception
	{
		assertError("err2", 2, "relative import '../../../data.Data1' can't be applied to package 'com.test' (err2.csp:3): 'import ../../../data...'");
	}
	
	
	@Test public void testError3() throws Exception
	{
		assertError("err3", 2, "expected the template command, but reached end of file (err3.csp:3): 'package-access'");
	}
	
	
	@Test public void testError4() throws Exception
	{
		assertError("err4", 2, "invalid input: 'x' (err4.csp:3): 'template x'");
	}
	
	
	@Test public void testError5() throws Exception
	{
		assertError("err5", 2, "argument 'String' needs a name and type (err5.csp:3): 'template(String)'");
	}
	
	
	@Test public void testError6() throws Exception
	{
		assertError("err6", 2, "expected closing bracket ')' of template argument list (err6.csp:3): 'template(String[] s'");
	}
	
	
	private void assertError(String file, int lineIndex, String error) throws Exception
	{
		try
		{
			compile(file);
			fail("error not recognized");
		}
		catch(CspException e)
		{
			assertEquals(error, e.getMessage().replace('"', '\''));
			assertEquals(lineIndex, e.getLineIndex());
		}
	}


	@Test public void testCmdLine() throws Exception
	{
		try(SysOut out = new SysOut())
		{
			// coverage printHelp()
			CspCompiler.main(new String[0]);
		}
	}
}