/*
 * SonarQube
 * Copyright (C) 2009-2021 SonarSource SA
 * mailto:info AT sonarsource DOT com
 *
 * This program 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.
 *
 * This program 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 this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 */
package org.sonar.xoo.lang;

import java.io.File;
import java.io.IOException;
import org.apache.commons.io.FileUtils;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
import org.sonar.api.batch.fs.InputFile;
import org.sonar.api.batch.fs.TextRange;
import org.sonar.api.batch.fs.internal.DefaultTextPointer;
import org.sonar.api.batch.fs.internal.DefaultTextRange;
import org.sonar.api.batch.fs.internal.TestInputFileBuilder;
import org.sonar.api.batch.sensor.internal.DefaultSensorDescriptor;
import org.sonar.api.batch.sensor.internal.SensorContextTester;

import static org.assertj.core.api.Assertions.assertThat;

public class SignificantCodeSensorTest {
  private SignificantCodeSensor sensor;
  private SensorContextTester context;

  @Rule
  public TemporaryFolder temp = new TemporaryFolder();

  private File baseDir;

  private InputFile inputFile;

  @Before
  public void prepare() throws IOException {
    baseDir = temp.newFolder();
    sensor = new SignificantCodeSensor();
    context = SensorContextTester.create(baseDir);
    inputFile = new TestInputFileBuilder("foo", baseDir, new File(baseDir, "src/foo.xoo"))
      .setLanguage("xoo")
      .setContents("some lines\nof code\nyet another line")
      .build();
  }

  @Test
  public void testDescriptor() {
    sensor.describe(new DefaultSensorDescriptor());
  }

  @Test
  public void testNoExceptionIfNoFileWithOffsets() {
    context.fileSystem().add(inputFile);
    sensor.execute(context);
  }

  @Test
  public void testExecution() throws IOException {
    File significantCode = new File(baseDir, "src/foo.xoo.significantCode");
    FileUtils.write(significantCode, "1,1,4\n2,2,5");
    context.fileSystem().add(inputFile);

    sensor.execute(context);

    assertThat(context.significantCodeTextRange("foo:src/foo.xoo", 1)).isEqualTo(range(1, 1, 4));
    assertThat(context.significantCodeTextRange("foo:src/foo.xoo", 2)).isEqualTo(range(2, 2, 5));
  }

  private static TextRange range(int line, int startOffset, int endOffset) {
    return new DefaultTextRange(new DefaultTextPointer(line, startOffset), new DefaultTextPointer(line, endOffset));
  }
}