/*
 * ============LICENSE_START==========================================
 * ONAP Portal SDK
 * ===================================================================
 * Copyright © 2018 AT&T Intellectual Property. All rights reserved.
 * ===================================================================
 *
 * Unless otherwise specified, all software contained herein is licensed
 * under the Apache License, Version 2.0 (the "License");
 * you may not use this software 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.
 *
 * Unless otherwise specified, all documentation contained herein is licensed
 * under the Creative Commons License, Attribution 4.0 Intl. (the "License");
 * you may not use this documentation except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *             https://creativecommons.org/licenses/by/4.0/
 *
 * Unless required by applicable law or agreed to in writing, documentation
 * 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.
 *
 * ============LICENSE_END============================================
 *
 *
 */
package org.onap.portalapp.music.conf;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertNotNull;
import static org.junit.Assert.assertNull;

import java.time.Duration;
import java.time.Instant;
import java.util.Set;
import java.util.TreeSet;

import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.InjectMocks;
import org.mockito.Matchers;
import org.mockito.Mock;
import org.mockito.Mockito;
import org.mockito.MockitoAnnotations;
import org.onap.music.exceptions.MusicLockingException;
import org.onap.music.exceptions.MusicServiceException;
import org.onap.music.main.ReturnType;
import org.onap.portalapp.music.service.MusicService;
import org.onap.portalapp.music.util.MusicProperties;
import org.onap.portalapp.music.util.MusicUtil;
import org.powermock.api.mockito.PowerMockito;
import org.powermock.core.classloader.annotations.PrepareForTest;
import org.powermock.modules.junit4.PowerMockRunner;
import org.springframework.session.Session;

@RunWith(PowerMockRunner.class)
@PrepareForTest({ MusicUtil.class, MusicProperties.class, MusicService.class })
public class MusicSessionTest {

	@InjectMocks
	MusicSession musicSession = new MusicSession();

	@Mock
	Session session;

	Duration duration = Duration.ofSeconds(100);

	@Before
	public void setUp() {
		PowerMockito.mockStatic(MusicUtil.class);
		PowerMockito.mockStatic(MusicProperties.class);
		PowerMockito.mockStatic(MusicService.class);
		Mockito.when(MusicUtil.isCached()).thenReturn(true);
		MockitoAnnotations.initMocks(this);
	}

	@Mock
	ReturnType rt;

	@Test
	public void setLastAccessedTimeTest() {
		Instant instant = Instant.now();
		musicSession.setLastAccessedTime(instant);
	}

	@Test
	public void setLastAccessedTimeNullPointerExceptionTest() throws Exception {
		Instant instant = Instant.now();
		Mockito.when(MusicService.setAttribute(Matchers.anyString(), Matchers.any(Instant.class), Matchers.anyString()))
				.thenThrow(new NullPointerException());
		musicSession.setLastAccessedTime(instant);
	}

	@Test
	public void musicSession() {
		Set<String> values = new TreeSet<>();
		values.add("testAttName");
		values.add("testAttName2");
		Mockito.when(session.getId()).thenReturn("testId");
		Mockito.when(session.getAttributeNames()).thenReturn(values);
		Mockito.when(session.getAttribute("testAttName")).thenReturn("testAttName");
		Mockito.when(session.getAttribute("testAttName2")).thenReturn("testAttName2");
		MusicSession musSession = new MusicSession(session);
		assertNotNull(musSession);
	}

	@Test
	public void getCreationTimeTest() throws Exception {
		Instant instant = Instant.now();
		Mockito.when(MusicService.getAttribute(Matchers.anyString(), Matchers.anyString()))
				.thenReturn(String.valueOf(instant));
		assertNotNull(musicSession.getCreationTime());
	}

	@Test
	public void getCreationTimeInstantNowTest() throws Exception {
		Mockito.when(MusicService.getAttribute(Matchers.anyString(), Matchers.anyString())).thenReturn(null);
		assertNotNull(musicSession.getCreationTime());
	}

	@Test
	public void getCreationTimeNullPointerExceptionTest() throws Exception {
		Mockito.when(MusicService.getAttribute(Matchers.anyString(), Matchers.anyString()))
				.thenThrow(new NullPointerException());
		assertNull(musicSession.getCreationTime());
	}

	@Test
	public void getLastAccessedTimeTest() throws Exception {
		Instant instant = Instant.now();
		Mockito.when(MusicService.getAttribute(Matchers.anyString(), Matchers.anyString()))
				.thenReturn(String.valueOf(instant));
		assertNotNull(musicSession.getCreationTime());
	}

	@Test
	public void getLastAccessedTimeInstantNowTest() throws Exception {
		Mockito.when(MusicService.getAttribute(Matchers.anyString(), Matchers.anyString())).thenReturn(null);
		assertNotNull(musicSession.getCreationTime());
	}

	@Test
	public void getLastAccessedTimeNullPointerExceptionTest() throws Exception {
		Mockito.when(MusicService.getAttribute(Matchers.anyString(), Matchers.anyString()))
				.thenThrow(new NullPointerException());
		assertNull(musicSession.getCreationTime());
	}

	@Test
	public void setMaxInactiveIntervalTest() throws Exception {
		Mockito.when(MusicService.setAttribute(Matchers.anyString(), Matchers.anyString(), Matchers.anyString()))
				.thenReturn(rt);
		musicSession.setMaxInactiveInterval(duration);
	}

	@Test
	public void setMaxInactiveIntervalNullPointerExceptionTest() throws Exception {
		Mockito.when(MusicService.setAttribute(Matchers.anyString(), Matchers.anyString(), Matchers.anyString()))
				.thenThrow(new NullPointerException());
		musicSession.setMaxInactiveInterval(duration);
	}

	@Test
	public void getMaxInactiveIntervalTest() throws Exception {
		Mockito.when(MusicService.getAttribute(Matchers.anyString(), Matchers.anyString()))
				.thenReturn(String.valueOf(duration));
		assertNotNull(musicSession.getMaxInactiveInterval());
	}

	@Test
	public void getMaxInactiveIntervalDefaultDurationIntervalTest() throws Exception {
		Mockito.when(MusicService.getAttribute(Matchers.anyString(), Matchers.anyString())).thenReturn(null);
		assertNotNull(musicSession.getMaxInactiveInterval());
	}

	@Test
	public void isExpiredFalseTest() throws Exception {
		assertFalse(musicSession.isExpired());

	}

	@Test
	public void getAttributeTest() throws Exception {
		Mockito.when(MusicService.getAttribute(Matchers.anyString(), Matchers.anyString())).thenReturn("test");
		assertNotNull(musicSession.getAttribute("test"));
	}

	@Test
	public void getAttributeNullPointerExceptionTest() throws Exception {
		Mockito.when(MusicService.getAttribute(Matchers.anyString(), Matchers.anyString()))
				.thenThrow(new NullPointerException());
		assertNull(musicSession.getAttribute("test"));
	}

	@Test
	public void getAttributeNamesTest() {
		Set<String> sessionAttrsDummy = new TreeSet<>();
		assertEquals(sessionAttrsDummy, musicSession.getAttributeNames());
	}

	@Test
	public void setAttributeTest() throws Exception {
		Mockito.when(MusicService.setAttribute(Matchers.anyString(), Matchers.any(Object.class), Matchers.anyString()))
				.thenReturn(rt);
		musicSession.setAttribute("test_attr_name", "test_attr_value");
	}

	@Test
	public void setAttributeExceptionTest() throws Exception {
		Mockito.when(MusicService.setAttribute(Matchers.anyString(), Matchers.any(Object.class), Matchers.anyString()))
				.thenThrow(new NullPointerException());
		musicSession.setAttribute("test_attr_name", "test_attr_value");
	}

	@Test
	public void setAttributeValueNullTest() throws Exception {
		Mockito.when(MusicService.setAttribute(Matchers.anyString(), Matchers.any(Object.class), Matchers.anyString()))
				.thenReturn(rt);
		musicSession.setAttribute("test_attr_name", null);
	}

	@Test
	public void removeAttributeMusicServiceExceptionTest() throws MusicServiceException, MusicLockingException {
		Mockito.when(MusicService.removeAttribute(Matchers.anyString(), Matchers.anyString()))
				.thenThrow(new MusicServiceException());
		musicSession.removeAttribute("test_attr_name");
	}

	@Test
	public void removeAttributeMusicLockingExceptionTest() throws MusicServiceException, MusicLockingException {
		Mockito.when(MusicService.removeAttribute(Matchers.anyString(), Matchers.anyString()))
				.thenThrow(new MusicLockingException());
		musicSession.removeAttribute("test_attr_name");
	}

	@Test
	public void setCreationTime() {
		Instant instant = Instant.now();
		musicSession.setCreationTime(instant);
	}

	@Test
	public void setCreationExceptionTime() throws Exception {
		Instant instant = Instant.now();
		Mockito.when(MusicService.setAttribute(Matchers.anyString(), Matchers.any(Instant.class), Matchers.anyString()))
				.thenThrow(new MusicLockingException());
		musicSession.setCreationTime(instant);
	}
}