/*
 * 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.util.matcher;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.junit.MockitoJUnitRunner;
import org.springframework.web.server.ServerWebExchange;

import java.util.Collections;
import java.util.Map;

import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;

/**
 * @author Rob Winch
 * @since 5.0
 */
@RunWith(MockitoJUnitRunner.class)
public class AndServerWebExchangeMatcherTests {
	@Mock
	ServerWebExchange exchange;
	@Mock
	ServerWebExchangeMatcher matcher1;
	@Mock
	ServerWebExchangeMatcher matcher2;

	AndServerWebExchangeMatcher matcher;

	@Before
	public void setUp() throws Exception {
		matcher = new AndServerWebExchangeMatcher(matcher1, matcher2);
	}

	@Test
	public void matchesWhenTrueTrueThenTrue() throws Exception {
		Map<String, Object> params1 = Collections.singletonMap("foo", "bar");
		Map<String, Object> params2 = Collections.singletonMap("x", "y");
		when(matcher1.matches(exchange)).thenReturn(ServerWebExchangeMatcher.MatchResult.match(params1));
		when(matcher2.matches(exchange)).thenReturn(ServerWebExchangeMatcher.MatchResult.match(params2));

		ServerWebExchangeMatcher.MatchResult matches = matcher.matches(exchange).block();

		assertThat(matches.isMatch()).isTrue();
		assertThat(matches.getVariables()).hasSize(2);
		assertThat(matches.getVariables()).containsAllEntriesOf(params1);
		assertThat(matches.getVariables()).containsAllEntriesOf(params2);

		verify(matcher1).matches(exchange);
		verify(matcher2).matches(exchange);
	}

	@Test
	public void matchesWhenFalseFalseThenFalseAndMatcher2NotInvoked() throws Exception {
		when(matcher1.matches(exchange)).thenReturn(ServerWebExchangeMatcher.MatchResult.notMatch());

		ServerWebExchangeMatcher.MatchResult matches = matcher.matches(exchange).block();

		assertThat(matches.isMatch()).isFalse();
		assertThat(matches.getVariables()).isEmpty();

		verify(matcher1).matches(exchange);
		verify(matcher2, never()).matches(exchange);
	}

	@Test
	public void matchesWhenTrueFalseThenFalse() throws Exception {
		Map<String, Object> params = Collections.singletonMap("foo", "bar");
		when(matcher1.matches(exchange)).thenReturn(ServerWebExchangeMatcher.MatchResult.match(params));
		when(matcher2.matches(exchange)).thenReturn(ServerWebExchangeMatcher.MatchResult.notMatch());

		ServerWebExchangeMatcher.MatchResult matches = matcher.matches(exchange).block();

		assertThat(matches.isMatch()).isFalse();
		assertThat(matches.getVariables()).isEmpty();

		verify(matcher1).matches(exchange);
		verify(matcher2).matches(exchange);
	}

	@Test
	public void matchesWhenFalseTrueThenFalse() throws Exception {
		when(matcher1.matches(exchange)).thenReturn(ServerWebExchangeMatcher.MatchResult.notMatch());

		ServerWebExchangeMatcher.MatchResult matches = matcher.matches(exchange).block();

		assertThat(matches.isMatch()).isFalse();
		assertThat(matches.getVariables()).isEmpty();

		verify(matcher1).matches(exchange);
		verify(matcher2, never()).matches(exchange);
	}

}
