/*
    * #%L
    * JavaHg
    * %%
    * Copyright (C) 2011 aragost Trifork ag
    * %%
    * Permission is hereby granted, free of charge, to any person obtaining a copy
    * of this software and associated documentation files (the "Software"), to deal
    * in the Software without restriction, including without limitation the rights
   * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
   * copies of the Software, and to permit persons to whom the Software is
   * furnished to do so, subject to the following conditions:
   * 
   * The above copyright notice and this permission notice shall be included in
   * all copies or substantial portions of the Software.
   * 
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
   * THE SOFTWARE.
   * #L%
   */
  package com.aragost.javahg.commands;
  
  import java.io.File;
  import java.io.IOException;
  import java.util.List;
  
  import org.junit.Assert;
  import org.junit.Test;
  
  import com.aragost.javahg.BaseRepository;
  import com.aragost.javahg.Changeset;
  import com.aragost.javahg.Repository;
  import com.aragost.javahg.internals.Utils;
  import com.aragost.javahg.test.AbstractTestCase;
  import com.google.common.io.Files;
  
  public class PushCommandTest extends AbstractTestCase {
  
      @Test
      public void testEmptyPush() throws IOException {
          Repository repo = getTestRepository();
          File dir = getTestRepository2().getDirectory();
  
          List<Changeset> changesets = PushCommand.on(repo).execute(dir.getPath());
          Assert.assertEquals(0, changesets.size());
      }
  
      @Test
      public void testPush() throws IOException {
          Repository repoA = getTestRepository();
          Changeset a = createChangeset();
  
          File dirB = createMercurialRepository();
  
          List<Changeset> changesets = PushCommand.on(repoA).execute(dirB.getPath());
          Changeset b = Utils.single(changesets);
          Assert.assertSame(a, b);
  
          deleteTempDir(dirB);
      }
  
      @Test(expected = ExecutionException.class)
      public void testPushWithNoDefault() throws IOException {
          Repository repo = getTestRepository();
          PushCommand.on(repo).execute();
      }
  
      @Test(expected = NullPointerException.class)
      public void testPushNullSource() throws IOException {
          Repository repo = getTestRepository();
          PushCommand.on(repo).execute(null);
      }
  
      @Test
      public void testPushCreatingNewHead() throws IOException {
          Repository repoA = getTestRepository();
          Changeset base = createChangeset();
  
          File dir = createTempDir();
          BaseRepository repoB = Repository.clone(dir, repoA.getDirectory().getPath());
  
          Changeset a = createChangeset();
          update(base);
          Changeset b = createChangeset();
  
          Files.write("a".getBytes(), new File(repoB.getDirectory(), "file"));
          AddCommand.on(repoB).execute();
          CommitCommand.on(repoB).message("m").user("u").execute();
          PushCommand push = PushCommand.on(repoA);
          try {
              push.execute(repoB.getDirectory().getPath());
              assertFailedExecution(push);
          } catch (ExecutionException e) {
              Assert.assertTrue(e.getMessage().startsWith("push creates new remote head"));
         }
 
         List<Changeset> changesets = PushCommand.on(repoA).force().execute(repoB.getDirectory().getPath());
         Assert.assertEquals(2, changesets.size());
         Assert.assertTrue(changesets.contains(a));
         Assert.assertTrue(changesets.contains(b));
 
         repoB.close();
         deleteTempDir(dir);
     }
 }