/**
    * Copyright (c) 2013-2022, jcabi.com
    * All rights reserved.
    *
    * Redistribution and use in source and binary forms, with or without
    * modification, are permitted provided that the following conditions
    * are met: 1) Redistributions of source code must retain the above
    * copyright notice, this list of conditions and the following
    * disclaimer. 2) Redistributions in binary form must reproduce the above
   * copyright notice, this list of conditions and the following
   * disclaimer in the documentation and/or other materials provided
   * with the distribution. 3) Neither the name of the jcabi.com nor
   * the names of its contributors may be used to endorse or promote
   * products derived from this software without specific prior written
   * permission.
   *
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
   * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT
   * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
   * FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
   * THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
   * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
   * OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  package com.jcabi.github;
  
  import com.jcabi.http.Request;
  import com.jcabi.http.mock.MkAnswer;
  import com.jcabi.http.mock.MkContainer;
  import com.jcabi.http.mock.MkGrizzlyContainer;
  import com.jcabi.http.mock.MkQuery;
  import com.jcabi.http.request.ApacheRequest;
  import com.jcabi.http.request.FakeRequest;
  import java.io.IOException;
  import java.net.HttpURLConnection;
  import javax.json.Json;
  import org.hamcrest.MatcherAssert;
  import org.hamcrest.Matchers;
  import org.junit.Ignore;
  import org.junit.Rule;
  import org.junit.Test;
  import org.mockito.Mockito;
  
  /**
   * Test case for {@link RtPull}.
   *
   * @author Carlos Miranda (miranda.cma@gmail.com)
   * @version $Id: 52244a6a34ba43038c04bb9deca025aa8e0b1011 $
   */
  public final class RtPullTest {
      /**
       * Property name for ref name in pull request ref JSON object.
       */
      private static final String REF_PROP = "ref";
      /**
       * Property name for commit SHA in pull request ref JSON object.
       */
      private static final String SHA_PROP = "sha";
  
      /**
       * The rule for skipping test if there's BindException.
       * @checkstyle VisibilityModifierCheck (3 lines)
       */
      @Rule
      public final transient RandomPort resource = new RandomPort();
  
      /**
       * RtPull should be able to retrieve commits.
       *
       * @throws Exception when a problem occurs.
       */
      @Test
      public void fetchesCommits() throws Exception {
          try (
              final MkContainer container = new MkGrizzlyContainer().next(
                  new MkAnswer.Simple(
                      HttpURLConnection.HTTP_OK,
                      "[{\"commits\":\"test\"}]"
                  )
              ).start(this.resource.port())
          ) {
              final RtPull pull = new RtPull(
                  new ApacheRequest(container.home()),
                  this.repo(),
                  1
              );
              MatcherAssert.assertThat(
                  pull.commits(),
                  Matchers.notNullValue()
              );
              container.stop();
          }
      }
  
     /**
      * RtPull should be able to retrieve files.
      *
      * @throws Exception when a problem occurs.
      */
     @Test
     public void fetchesFiles() throws Exception {
         try (
             final MkContainer container = new MkGrizzlyContainer().next(
                 new MkAnswer.Simple(
                     HttpURLConnection.HTTP_OK,
                     "[{\"file1\":\"testFile\"}]"
                 )
             ).start(this.resource.port())
         ) {
             final RtPull pull = new RtPull(
                 new ApacheRequest(container.home()),
                 this.repo(),
                 2
             );
             MatcherAssert.assertThat(
                 pull.files().iterator().next().getString("file1"),
                 Matchers.equalTo("testFile")
             );
             container.stop();
         }
     }
 
     /**
      * RtPull can fetch its base ref.
      * @throws IOException If some I/O problem occurs
      */
     @Test
     public void fetchesBase() throws IOException {
         final String ref = "sweet-feature-branch";
         final String sha = "e93c6a2216c69daa574abc16e7c14767fce44ad6";
         try (
             final MkContainer container = new MkGrizzlyContainer().next(
                 new MkAnswer.Simple(
                     HttpURLConnection.HTTP_OK,
                     Json.createObjectBuilder()
                         .add(
                             "base",
                             Json.createObjectBuilder()
                                 .add(RtPullTest.REF_PROP, ref)
                                 .add(RtPullTest.SHA_PROP, sha)
                                 .build()
                         )
                         .build()
                         .toString()
                 )
             ).start(this.resource.port())
         ) {
             final RtPull pull = new RtPull(
                 new ApacheRequest(container.home()),
                 this.repo(),
                 1
             );
             final PullRef base = pull.base();
             MatcherAssert.assertThat(
                 base,
                 Matchers.notNullValue()
             );
             MatcherAssert.assertThat(
                 base.ref(),
                 Matchers.equalTo(ref)
             );
             MatcherAssert.assertThat(
                 base.sha(),
                 Matchers.equalTo(sha)
             );
             container.stop();
         }
     }
 
     /**
      * RtPull can fetch its head ref.
      * @throws IOException If some I/O problem occurs
      */
     @Test
     public void fetchesHead() throws IOException {
         final String ref = "neat-other-branch";
         final String sha = "9c717b4716e4fc4d917f546e8e6b562e810e3922";
         try (
             final MkContainer container = new MkGrizzlyContainer().next(
                 new MkAnswer.Simple(
                     HttpURLConnection.HTTP_OK,
                     Json.createObjectBuilder()
                         .add(
                             "head",
                             Json.createObjectBuilder()
                                 .add(RtPullTest.REF_PROP, ref)
                                 .add(RtPullTest.SHA_PROP, sha)
                                 .build()
                         )
                         .build()
                         .toString()
                 )
             ).start(this.resource.port())
         ) {
             final RtPull pull = new RtPull(
                 new ApacheRequest(container.home()),
                 this.repo(),
                 1
             );
             final PullRef head = pull.head();
             MatcherAssert.assertThat(
                 head,
                 Matchers.notNullValue()
             );
             MatcherAssert.assertThat(
                 head.ref(),
                 Matchers.equalTo(ref)
             );
             MatcherAssert.assertThat(
                 head.sha(),
                 Matchers.equalTo(sha)
             );
             container.stop();
         }
     }
 
     /**
      * RtPull should be able to perform a merge.
      *
      * @throws Exception when a problem occurs.
      */
     @Test
     public void executeMerge() throws Exception {
         try (
             final MkContainer container = new MkGrizzlyContainer().next(
                 new MkAnswer.Simple(HttpURLConnection.HTTP_OK, "testMerge")
             ).start(this.resource.port())
         ) {
             final RtPull pull = new RtPull(
                 new ApacheRequest(container.home()),
                 this.repo(),
                 3
             );
             pull.merge("Test commit.");
             final MkQuery query = container.take();
             MatcherAssert.assertThat(
                 query.method(),
                 Matchers.equalTo(Request.PUT)
             );
             MatcherAssert.assertThat(
                 query.body(),
                 Matchers.equalTo("{\"commit_message\":\"Test commit.\"}")
             );
             container.stop();
         }
     }
 
     /**
      * RtPull should be able to compare different instances.
      *
      * @throws Exception when a problem occurs.
      */
     @Test
     public void canCompareInstances() throws Exception {
         final RtPull less = new RtPull(new FakeRequest(), this.repo(), 1);
         final RtPull greater = new RtPull(new FakeRequest(), this.repo(), 2);
         MatcherAssert.assertThat(
             less.compareTo(greater), Matchers.lessThan(0)
         );
         MatcherAssert.assertThat(
             greater.compareTo(less), Matchers.greaterThan(0)
         );
     }
 
     /**
      * RtPull should be able to fetch pull comments.
      *
      * @throws Exception when a problem occurs.
      */
     @Test
     @Ignore
     public void canFetchComments() throws Exception {
         //to be implemented
     }
 
     /**
      * Mock repository for testing purposes.
      * @return Repo the mock repository.
      */
     private Repo repo() {
         final Repo repo = Mockito.mock(Repo.class);
         final Coordinates coords = Mockito.mock(Coordinates.class);
         Mockito.doReturn(coords).when(repo).coordinates();
         Mockito.doReturn("/user").when(coords).user();
         Mockito.doReturn("/repo").when(coords).repo();
         return repo;
     }
 
 }