package org.apache.wicket.extensions.markup.html.captcha;

import static org.hamcrest.CoreMatchers.is;
import static org.hamcrest.CoreMatchers.not;
import static org.hamcrest.MatcherAssert.assertThat;

import java.util.HashSet;
import java.util.Set;

import org.junit.Test;

/**
 * Tests the {@link org.apache.wicket.extensions.markup.html.captcha.CaptchaImageResource}.
 *
 * @author Michael Haitz
 */
public class CaptchaImageResourceTest
{
	@Test
	public void getterReturnsCorrectValue()
	{
		CaptchaImageResource image1 = new CaptchaImageResource("wicket");

		assertThat(image1.getChallengeId(), is("wicket"));
		assertThat(image1.getChallengeIdModel().getObject(), is("wicket"));
	}

	@Test
	public void sameChallengeIdHasDifferentImageContent()
	{
		CaptchaImageResource image1 = new CaptchaImageResource("wicket");
		CaptchaImageResource image2 = new CaptchaImageResource("wicket");

		assertThat(image1.getImageData(null), is(not(image2.getImageData(null))));
	}

	@Test
	public void imageDataIsCached()
	{
		CaptchaImageResource image1 = new CaptchaImageResource("wicket");

		assertThat(image1.getImageData(null), is(image1.getImageData(null)));
	}

	@Test
	public void invalidateDropsImageDataCache()
	{
		CaptchaImageResource image1 = new CaptchaImageResource("wicket");
		byte[] originalImageData = image1.getImageData(null);
		image1.invalidate();

		assertThat(originalImageData, is(not(image1.getImageData(null))));
	}

	@Test
	public void defaultConstructorCreatesRandomChallengeId()
	{
		int idsNumber = 100000;
		Set<String> challengeIds = new HashSet<String>();

		for (int i = 0; i < idsNumber; ++i)
		{
			challengeIds.add(new CaptchaImageResource().getChallengeId());
		}

		assertThat(challengeIds.size(), is(idsNumber));
	}
}

@@ -1,8 +1,811 @@
+/*%0A * Licensed to the Apache Software Foundation (ASF) under one or more%0A * contributor license agreements.  See the NOTICE file distributed with%0A * this work for additional information regarding copyright ownership.%0A * The ASF licenses this file to You under the Apache License, Version 2.0%0A * (the %22License%22); you may not use this file except in compliance with%0A * the License.  You may obtain a copy of the License at%0A *%0A *      http://www.apache.org/licenses/LICENSE-2.0%0A *%0A * Unless required by applicable law or agreed to in writing, software%0A * distributed under the License is distributed on an %22AS IS%22 BASIS,%0A * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.%0A * See the License for the specific language governing permissions and%0A * limitations under the License.%0A */%0A
 package 

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