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/*
 * Sonar, open source software quality management tool.
 * Copyright (C) 2009 SonarSource SA
 * mailto:contact AT sonarsource DOT com
 *
 * Sonar is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 3 of the License, or (at your option) any later version.
 *
 * Sonar is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with Sonar; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02
 */
package org.sonar.server.plugins;

import org.apache.commons.io.IOUtils;
import org.junit.Before;
import org.junit.Test;
import org.sonar.api.utils.HttpDownloader;
import org.sonar.api.utils.SonarException;
import org.sonar.updatecenter.common.UpdateCenter;
import org.sonar.updatecenter.common.Version;

import java.net.URI;
import java.net.URISyntaxException;

import static junit.framework.Assert.assertNull;
import static org.junit.Assert.assertThat;
import static org.junit.internal.matchers.IsCollectionContaining.hasItems;
import static org.mockito.Matchers.anyObject;
import static org.mockito.Mockito.*;

public class UpdateCenterClientTest {

  private UpdateCenterClient client;
  private HttpDownloader downloader;
  private static final String BASE_URL = "http://update.sonarsource.org";

  @Before
  public void startServer() throws Exception {
    downloader = mock(HttpDownloader.class);
    client = new UpdateCenterClient(downloader, new URI(BASE_URL));
  }

  @Test
  public void downloadUpdateCenter() throws URISyntaxException {
    when(downloader.openStream(new URI(BASE_URL))).thenReturn(IOUtils.toInputStream("sonar.versions=2.2,2.3"));
    UpdateCenter center = client.getCenter();
    verify(downloader, times(1)).openStream(new URI(BASE_URL));
    assertThat(center.getSonar().getVersions(), hasItems(Version.create("2.2"), Version.create("2.3")));
  }

  @Test
  public void ignoreWhenServerIsDown() {
    when(downloader.download((URI) anyObject())).thenThrow(new SonarException());
    assertNull(client.getCenter());
  }


  @Test
  public void cacheData() throws URISyntaxException {
    when(downloader.openStream(new URI(BASE_URL))).thenReturn(IOUtils.toInputStream("sonar.versions=2.2,2.3"));

    client.getCenter();
    client.getCenter();

    verify(downloader, times(1)).openStream(new URI(BASE_URL));
  }

  @Test
  public void forceRefresh() throws URISyntaxException {
    when(downloader.openStream(new URI(BASE_URL))).thenReturn(IOUtils.toInputStream("sonar.versions=2.2,2.3"));

    client.getCenter();
    client.getCenter(true);

    verify(downloader, times(2)).openStream(new URI(BASE_URL));
  }
}