/*
 * Licensed to DuraSpace under one or more contributor license agreements.
 * See the NOTICE file distributed with this work for additional information
 * regarding copyright ownership.
 *
 * DuraSpace licenses this file to you 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.fcrepo.http.api;

import static org.fcrepo.http.commons.test.util.TestHelpers.getUriInfoImpl;
import static org.junit.Assert.assertNotNull;
import static org.mockito.Mockito.doReturn;
import static org.mockito.Mockito.doThrow;
import static org.mockito.Mockito.spy;
import static org.mockito.Mockito.verify;
import static org.mockito.Mockito.when;
import static org.springframework.test.util.ReflectionTestUtils.setField;

import javax.jcr.Node;
import javax.jcr.PathNotFoundException;
import javax.jcr.nodetype.NodeType;
import javax.ws.rs.core.Request;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.UriBuilder;
import javax.ws.rs.core.Variant;

import org.fcrepo.http.commons.api.rdf.HttpResourceConverter;
import org.fcrepo.http.commons.session.HttpSession;
import org.fcrepo.kernel.api.FedoraSession;
import org.fcrepo.kernel.api.services.NodeService;
import org.fcrepo.kernel.api.services.VersionService;
import org.fcrepo.kernel.modeshape.FedoraResourceImpl;
import org.junit.Before;
import org.junit.Test;
import org.junit.runner.RunWith;
import org.mockito.Mock;
import org.mockito.runners.MockitoJUnitRunner;

/**
 * <p>FedoraVersionsTest class.</p>
 *
 * @author awoods
 */
@RunWith(MockitoJUnitRunner.class)
public class FedoraVersionsTest {

    private FedoraVersions testObj;

    @Mock
    private NodeService mockNodes;

    @Mock
    VersionService mockVersions;

    @Mock
    private Node mockNode;

    @Mock
    private NodeType mockNodeType;

    @Mock
    private FedoraResourceImpl mockResource;

    @Mock
    private Request mockRequest;

    @Mock
    private Variant mockVariant;

    @Mock
    private HttpSession mockSession;

    @Mock
    private FedoraSession mockFedoraSession;

    private final String path = "/some/path";
    private final String versionLabel = "someLabel";

    @Before
    public void setUp() throws Exception {
        testObj = spy(new FedoraVersions(path, versionLabel, ""));
        setField(testObj, "nodeService", mockNodes);
        setField(testObj, "uriInfo", getUriInfoImpl());
        setField(testObj, "session", mockSession);
        setField(testObj, "versionService", mockVersions);
        when(mockResource.getPath()).thenReturn(path);
        when(mockResource.getNode()).thenReturn(mockNode);
        when(mockNodeType.getName()).thenReturn("nt:folder");
        when(mockNode.getPrimaryNodeType()).thenReturn(mockNodeType);
        when(mockSession.getFedoraSession()).thenReturn(mockFedoraSession);

        setField(testObj, "idTranslator", new HttpResourceConverter(mockSession,
                    UriBuilder.fromUri("http://localhost/fcrepo/{path: .*}")));
    }

    @Test
    public void testRevertToVersion() {
        doReturn(path).when(testObj).unversionedResourcePath();
        final Response response = testObj.revertToVersion();
        verify(mockVersions).revertToVersion(mockFedoraSession, path, versionLabel);
        assertNotNull(response);
    }

    @Test (expected = PathNotFoundException.class)
    public void testRevertToVersionFailure() {
        doThrow(PathNotFoundException.class).when(testObj).unversionedResourcePath();
        testObj.revertToVersion();
    }

    @Test
    public void testRemoveVersion() {
        doReturn(path).when(testObj).unversionedResourcePath();
        final Response response = testObj.removeVersion();
        verify(mockVersions).removeVersion(mockFedoraSession, path, versionLabel);
        assertNotNull(response);
    }

    @Test (expected = PathNotFoundException.class)
    public void testRemoveVersionFailure() {
        doThrow(PathNotFoundException.class).when(testObj).unversionedResourcePath();
        testObj.removeVersion();
    }

}