/*
 * Copyright 2004, 2005, 2006 Acegi Technology Pty Limited
 *
 * Licensed 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.springframework.security.authentication.anonymous;

import static org.assertj.core.api.Assertions.*;

import org.junit.*;
import org.springframework.security.authentication.AnonymousAuthenticationProvider;
import org.springframework.security.authentication.AnonymousAuthenticationToken;
import org.springframework.security.authentication.BadCredentialsException;
import org.springframework.security.authentication.TestingAuthenticationToken;
import org.springframework.security.core.Authentication;
import org.springframework.security.core.authority.AuthorityUtils;

/**
 * Tests {@link AnonymousAuthenticationProvider}.
 *
 * @author Ben Alex
 */
public class AnonymousAuthenticationProviderTests {

	// ~ Methods
	// ========================================================================================================

	@Test
	public void testDetectsAnInvalidKey() throws Exception {
		AnonymousAuthenticationProvider aap = new AnonymousAuthenticationProvider(
				"qwerty");

		AnonymousAuthenticationToken token = new AnonymousAuthenticationToken(
				"WRONG_KEY", "Test", AuthorityUtils.createAuthorityList("ROLE_ONE",
						"ROLE_TWO"));

		try {
			aap.authenticate(token);
			fail("Should have thrown BadCredentialsException");
		}
		catch (BadCredentialsException expected) {
		}
	}

	@Test
	public void testDetectsMissingKey() throws Exception {
		try {
			new AnonymousAuthenticationProvider(null);
			fail("Should have thrown IllegalArgumentException");
		}
		catch (IllegalArgumentException expected) {

		}
	}

	@Test
	public void testGettersSetters() throws Exception {
		AnonymousAuthenticationProvider aap = new AnonymousAuthenticationProvider(
				"qwerty");
		assertThat(aap.getKey()).isEqualTo("qwerty");
	}

	@Test
	public void testIgnoresClassesItDoesNotSupport() throws Exception {
		AnonymousAuthenticationProvider aap = new AnonymousAuthenticationProvider(
				"qwerty");

		TestingAuthenticationToken token = new TestingAuthenticationToken("user",
				"password", "ROLE_A");
		assertThat(aap.supports(TestingAuthenticationToken.class)).isFalse();

		// Try it anyway
		assertThat(aap.authenticate(token)).isNull();
	}

	@Test
	public void testNormalOperation() throws Exception {
		AnonymousAuthenticationProvider aap = new AnonymousAuthenticationProvider(
				"qwerty");

		AnonymousAuthenticationToken token = new AnonymousAuthenticationToken("qwerty",
				"Test", AuthorityUtils.createAuthorityList("ROLE_ONE", "ROLE_TWO"));

		Authentication result = aap.authenticate(token);

		assertThat(token).isEqualTo(result);
	}

	@Test
	public void testSupports() {
		AnonymousAuthenticationProvider aap = new AnonymousAuthenticationProvider(
				"qwerty");
		assertThat(aap.supports(AnonymousAuthenticationToken.class)).isTrue();
		assertThat(aap.supports(TestingAuthenticationToken.class)).isFalse();
	}
}
