/*
 * Copyright 2004-present 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
 *
 *      https://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.session;

import java.util.Collections;

import org.junit.jupiter.api.Test;
import reactor.core.publisher.Mono;
import reactor.test.StepVerifier;

import org.springframework.security.authentication.TestAuthentication;
import org.springframework.security.web.authentication.session.SessionAuthenticationException;
import org.springframework.security.web.server.authentication.MaximumSessionsContext;
import org.springframework.security.web.server.authentication.PreventLoginServerMaximumSessionsExceededHandler;
import org.springframework.web.server.WebSession;

import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.BDDMockito.given;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.verify;

/**
 * Tests for {@link PreventLoginServerMaximumSessionsExceededHandler}.
 *
 * @author Marcus da Coregio
 */
class PreventLoginServerMaximumSessionsExceededHandlerTests {

	@Test
	void handleWhenInvokedThenInvalidateWebSessionAndThrowsSessionAuthenticationException() {
		PreventLoginServerMaximumSessionsExceededHandler handler = new PreventLoginServerMaximumSessionsExceededHandler();
		WebSession webSession = mock();
		given(webSession.invalidate()).willReturn(Mono.empty());
		MaximumSessionsContext context = new MaximumSessionsContext(TestAuthentication.authenticatedUser(),
				Collections.emptyList(), 1, webSession);
		StepVerifier.create(handler.handle(context)).expectErrorSatisfies((ex) -> {
			assertThat(ex).isInstanceOf(SessionAuthenticationException.class);
			assertThat(ex.getMessage()).isEqualTo("Maximum sessions exceeded");
		}).verify();
		verify(webSession).invalidate();
	}

}
