empire-db/src/test/java/org/apache/empire/commons/ErrorsTest.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0
 *
 * 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.apache.empire.commons;

import static org.junit.Assert.*;

import org.junit.Test;

public class ErrorsTest
{

	
	@Test
	public void testGetErrorMessage()
	{
		
		ErrorInfo info = new DummyErrorInfo(true, Errors.InvalidArg, new Object[]{"test", "testparam"});
		assertEquals("Invalid Argument test for parameter testparam.", Errors.getErrorMessage(info));
		
		// TODO should we fail in this case?
		// TODO find a way to force the correct number of params at compiletime
		info = new DummyErrorInfo(true, Errors.InvalidArg, new Object[]{"test"});
		assertEquals("Invalid Argument test for parameter {1}.", Errors.getErrorMessage(info));
	
		assertEquals("", Errors.getErrorMessage(null));		
		
		info = new DummyErrorInfo(false, Errors.Internal, null);
		assertEquals("", Errors.getErrorMessage(info));
		
		info = new DummyErrorInfo(true, null, null);
		assertEquals("", Errors.getErrorMessage(info));
		
		info = new DummyErrorInfo(true, Errors.None, null);
		assertEquals("", Errors.getErrorMessage(info));
	}
	
	private final class DummyErrorInfo implements ErrorInfo
	{
		private final boolean hasErrror;
		private final ErrorType type;
		private final Object[] params;
		
		public DummyErrorInfo(final boolean hasError, final ErrorType type, final Object[] params)
		{
			this.hasErrror = hasError;
			this.type = type;
			this.params = params;
		}
		
		public Object[] getErrorParams()
		{
			return params;
		}

		public String getErrorSource()
		{
			return "JUnit";
		}

		public ErrorType getErrorType()
		{
			return type;
		}

		public boolean hasError()
		{
			return hasErrror;
		}
	}

	

}