/*
 * Sonar, open source software quality management tool.
 * Copyright (C) 2008-2012 SonarSource
 * 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.api.utils;

import com.google.common.base.Charsets;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.ExpectedException;

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

import static org.fest.assertions.Assertions.assertThat;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

public class UriReaderTest {

  private static URI testFile;

  @Rule
  public ExpectedException thrown = ExpectedException.none();

  @Before
  public void init() throws URISyntaxException {
    testFile = UriReaderTest.class.getResource("/org/sonar/api/utils/UriReaderTest/foo.txt").toURI();
  }

  @Test
  public void file_processor_is_always_available() {
    UriReader uriReader = new UriReader(new UriReader.SchemeProcessor[0]);

    assertThat(uriReader.searchForSupportedProcessor(testFile)).isNotNull();
  }

  @Test
  public void file_readString() throws Exception {
    UriReader uriReader = new UriReader(new UriReader.SchemeProcessor[0]);
    assertThat(uriReader.readString(testFile, Charsets.UTF_8)).isEqualTo("in foo");
  }

  @Test
  public void file_readBytes() throws Exception {
    UriReader uriReader = new UriReader(new UriReader.SchemeProcessor[0]);
    assertThat(new String(uriReader.readBytes(testFile))).isEqualTo("in foo");
  }

  @Test
  public void file_readString_fails_if_file_not_found() throws Exception {
    thrown.expect(RuntimeException.class);
    UriReader uriReader = new UriReader(new UriReader.SchemeProcessor[0]);
    uriReader.readString(new URI("file:/notfound"), Charsets.UTF_8);
  }

  @Test
  public void file_readBytes_fails_if_file_not_found() throws Exception {
    thrown.expect(RuntimeException.class);
    UriReader uriReader = new UriReader(new UriReader.SchemeProcessor[0]);
    uriReader.readBytes(new URI("file:/notfound"));
  }

  @Test
  public void file_description() {
    UriReader uriReader = new UriReader(new UriReader.SchemeProcessor[0]);

    // the prefix file:/ is removed
    assertThat(uriReader.description(testFile)).doesNotMatch("file:/.*");
    assertThat(uriReader.description(testFile)).matches(".*foo\\.txt");
  }

  @Test
  public void fail_if_unknown_scheme() throws Exception {
    thrown.expect(IllegalArgumentException.class);
    UriReader uriReader = new UriReader(new UriReader.SchemeProcessor[0]);
    uriReader.readBytes(new URI("ftp://sonarsource.org"));
  }

  @Test
  public void register_processors() throws Exception {
    UriReader.SchemeProcessor processor = mock(UriReader.SchemeProcessor.class);
    when(processor.getSupportedSchemes()).thenReturn(new String[]{"ftp"});
    UriReader uriReader = new UriReader(new UriReader.SchemeProcessor[]{processor});

    assertThat(uriReader.searchForSupportedProcessor(new URI("ftp://sonarsource.org"))).isNotNull();
  }
}