/*
 * 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.wicket.validation.validator;

import static org.junit.Assert.assertEquals;

import org.apache.wicket.validation.IValidator;
import org.apache.wicket.validation.Validatable;
import org.apache.wicket.validation.ValidationError;
import org.junit.Test;

/**
 * Tests range validator
 * 
 * @author igor.vaynberg
 */
public class RangeValidatorTest
{

	/**
	 * @throws Exception
	 */
	@Test
	public void doubleRange() throws Exception
	{
		IValidator<Double> validator = new RangeValidator<Double>(1.1, 1.8);

		Validatable<Double> validatable = new Validatable<Double>((double)1);
		validator.validate(validatable);
		assertEquals(1, validatable.getErrors().size());

		validatable = new Validatable<Double>(1.1);
		validator.validate(validatable);
		assertEquals(0, validatable.getErrors().size());

		validatable = new Validatable<Double>(1.5);
		validator.validate(validatable);
		assertEquals(0, validatable.getErrors().size());

		validatable = new Validatable<Double>(1.8);
		validator.validate(validatable);
		assertEquals(0, validatable.getErrors().size());

		validatable = new Validatable<Double>((double)2);
		validator.validate(validatable);
		assertEquals(1, validatable.getErrors().size());
	}


	/**
	 * @throws Exception
	 */
	@Test
	public void integerRange() throws Exception
	{
		IValidator<Integer> validator = new RangeValidator<Integer>(1, 8);

		Validatable<Integer> validatable = new Validatable<Integer>(0);
		validator.validate(validatable);
		assertEquals(1, validatable.getErrors().size());

		validatable = new Validatable<Integer>(1);
		validator.validate(validatable);
		assertEquals(0, validatable.getErrors().size());

		validatable = new Validatable<Integer>(5);
		validator.validate(validatable);
		assertEquals(0, validatable.getErrors().size());

		validatable = new Validatable<Integer>(8);
		validator.validate(validatable);
		assertEquals(0, validatable.getErrors().size());

		validatable = new Validatable<Integer>(9);
		validator.validate(validatable);
		assertEquals(1, validatable.getErrors().size());

	}

	@Test
	public void resourceKeys()
	{
		Validatable<Integer> validatable = new Validatable<Integer>(10);

		IValidator<Integer> validator = new RangeValidator<Integer>(15, null);
		validator.validate(validatable);
		assertEquals("RangeValidator.minimum", getError(validatable).getKeys().get(0));

		validatable = new Validatable<Integer>(10);
		validator = new RangeValidator<Integer>(null, 5);
		validator.validate(validatable);
		assertEquals("RangeValidator.maximum", getError(validatable).getKeys().get(0));

		validatable = new Validatable<Integer>(10);
		validator = new RangeValidator<Integer>(1, 2);
		validator.validate(validatable);
		assertEquals("RangeValidator.range", getError(validatable).getKeys().get(0));

		validatable = new Validatable<Integer>(10);
		validator = new RangeValidator<Integer>(1, 1);
		validator.validate(validatable);
		assertEquals("RangeValidator.exact", getError(validatable).getKeys().get(0));

	}

	@Test
	public void onlyMinValue()
	{
		IValidator<Integer> validator = new RangeValidator<Integer>(1, null);

		Validatable<Integer> validatable = new Validatable<Integer>(0);
		validator.validate(validatable);
		assertEquals(1, validatable.getErrors().size());
	}

	@Test
	public void onlyMaxValue()
	{
		IValidator<Integer> validator = new RangeValidator<Integer>(null, 1);

		Validatable<Integer> validatable = new Validatable<Integer>(2);
		validator.validate(validatable);
		assertEquals(1, validatable.getErrors().size());
	}

	/**
	 * WICKET-4717
	 */
	@Test
	public void exact()
	{
		IValidator<Integer> validator = new RangeValidator<Integer>(1, 1);

		Validatable<Integer> validatable = new Validatable<Integer>(2);
		validator.validate(validatable);
		assertEquals(1, validatable.getErrors().size());

		ValidationError error = (ValidationError)validatable.getErrors().get(0);
		assertEquals(1, error.getVariables().get("exact"));
	}

	private ValidationError getError(Validatable<?> validatable)
	{
		return (ValidationError)validatable.getErrors().get(0);
	}
}