/*
 * Copyright 2002-2017 the original author or authors.
 *
 * 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.web.server.authentication;

import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.InjectMocks;
import org.mockito.Mock;
import org.mockito.junit.MockitoJUnitRunner;
import reactor.core.publisher.Mono;

import org.springframework.security.authentication.BadCredentialsException;
import org.springframework.security.web.server.ServerAuthenticationEntryPoint;
import org.springframework.security.web.server.WebFilterExchange;
import org.springframework.web.server.ServerWebExchange;
import org.springframework.web.server.WebFilterChain;

import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.Mockito.when;

/**
 * @author Rob Winch
 * @since 5.0
 */
@RunWith(MockitoJUnitRunner.class)
public class ServerAuthenticationEntryPointFailureHandlerTests {
	@Mock
	private ServerAuthenticationEntryPoint authenticationEntryPoint;
	@Mock
	private ServerWebExchange exchange;
	@Mock
	private WebFilterChain chain;

	@InjectMocks
	private WebFilterExchange filterExchange;

	@InjectMocks
	private ServerAuthenticationEntryPointFailureHandler handler;

	@Test(expected = IllegalArgumentException.class)
	public void constructorWhenNullEntryPointThenException() {
		this.authenticationEntryPoint = null;
		new ServerAuthenticationEntryPointFailureHandler(this.authenticationEntryPoint);
	}

	@Test
	public void onAuthenticationFailureWhenInvokedThenDelegatesToEntryPoint() {
		Mono<Void> result = Mono.empty();
		BadCredentialsException e = new BadCredentialsException("Failed");
		when(this.authenticationEntryPoint.commence(this.exchange, e)).thenReturn(result);

		assertThat(this.handler.onAuthenticationFailure(this.filterExchange, e)).isEqualTo(result);
	}
}
