package de.superx.common;
import static de.superx.servlet.SxSQL_Server.DEFAULT_MANDANTEN_ID;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;
import static org.junit.Assert.assertTrue;

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.sql.SQLException;

import org.junit.Before;
import org.junit.Ignore;
import org.junit.Test;

/**
 * Class to test {@link de.superx.common.TemplateProcessor}
 * @author hiber
 *
 */
public class TemplateProcessorTest {

    private TemplateProcessor templateProcessor;

    @Before
    public void testConstructor() {
	this.templateProcessor = new TemplateProcessor(DEFAULT_MANDANTEN_ID);
	assertNotNull("TemplateProcessor initialized", this.templateProcessor);
    }

    @Ignore
    @Test
    public void testBuildTemplateObject() {
	// Template testTemplate =
	// this.templateProcessor.buildTemplateObject(templateName, template);
	// assertNotNull("TemplateProcessor initialized", this.templateProcessor);
    }

    @Test
    public void testCleanName() {
	final String EXPECTED_RESULT = " test_template_name";
	String testTemplateName = "/test_template_name";
	String result = this.templateProcessor.cleanName(testTemplateName);
	assertEquals("template name has been modified correctly", EXPECTED_RESULT, result);
	
	testTemplateName = "\\test_template_name";
	result = this.templateProcessor.cleanName(testTemplateName);
	assertEquals("template name has been modified correctly", EXPECTED_RESULT, result);
    }
    
    @Test
    public void testAddSqlVarSicht() {
	final String EXPECTED_MESSAGE = "sqlvar mit type Sicht wird hier nicht unterstützt";
	Exception expectedException = null;
	try {
	    this.templateProcessor.addSqlVarSicht(null, null, null, null);
	}catch(Exception e) {
	    expectedException = e;
	}
	assertNotNull("exception has been thrown", expectedException);
	assertTrue("exception is instance of IllegalStateException", expectedException instanceof IllegalStateException);
	assertEquals("exception message equals expected message", EXPECTED_MESSAGE, expectedException.getMessage());
    }
    
    @Test
    public void testReadFromDb() {
	SxResultSet result = null;
	Exception ex = null;
	try {
	    result = this.templateProcessor.readFromDb(null);
	} catch (SQLException e) {
	    ex = e;
	}
	assertNull("exception has not been thrown", ex);
	assertNotNull("method returns new SxResultSet has been thrown", result);
    }
    
    private Method getMethod(String methodName, Class<?>... parameterTypes) throws NoSuchMethodException, SecurityException {
	Method method = this.templateProcessor.getClass().getDeclaredMethod(methodName, parameterTypes);
	method.setAccessible(true);
	assertTrue("Method is accessible", method.isAccessible());
	return method;
    }
}