sonarqube/sonar-scanner-engine/src/test/java/org/sonar/scanner/scan/WorkDirectoriesInitializerTest.java

/*
 * SonarQube
 * Copyright (C) 2009-2022 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.scanner.scan;

import java.io.File;
import java.io.IOException;
import java.util.Arrays;
import org.junit.Before;
import org.junit.Rule;
import org.junit.Test;
import org.junit.rules.TemporaryFolder;
import org.sonar.api.batch.fs.internal.DefaultInputModule;
import org.sonar.scanner.fs.InputModuleHierarchy;

import static org.assertj.core.api.Assertions.assertThat;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

public class WorkDirectoriesInitializerTest {
  private WorkDirectoriesInitializer initializer;
  @Rule
  public TemporaryFolder temp = new TemporaryFolder();

  private File rootWorkDir;
  private File lock;
  private InputModuleHierarchy hierarchy;
  private DefaultInputModule root;

  @Before
  public void setUp() throws IOException {
    rootWorkDir = temp.newFolder();
    // create files to clean
    new File(rootWorkDir, "foo.txt").createNewFile();
    File newFolder = new File(rootWorkDir, "foo");
    newFolder.mkdir();
    File fileInFolder = new File(newFolder, "test");
    fileInFolder.createNewFile();

    lock = new File(rootWorkDir, DirectoryLock.LOCK_FILE_NAME);
    lock.createNewFile();

    hierarchy = mock(InputModuleHierarchy.class);
    root = mock(DefaultInputModule.class);
    when(hierarchy.root()).thenReturn(root);
    when(root.getWorkDir()).thenReturn(rootWorkDir.toPath());

    assertThat(rootWorkDir.list().length).isGreaterThan(1);
    initializer = new WorkDirectoriesInitializer();
  }

  @Test
  public void testNonExisting() {
    temp.delete();
    initializer.execute(hierarchy);
  }

  @Test
  public void testClean() {
    initializer.execute(hierarchy);

    assertThat(rootWorkDir).exists();
    assertThat(lock).exists();
    assertThat(rootWorkDir.list()).containsOnly(DirectoryLock.LOCK_FILE_NAME);
  }

  @Test
  public void cleaningRootModuleShouldNotDeleteChildrenWorkDir() throws IOException {
    DefaultInputModule moduleA = mock(DefaultInputModule.class);
    when(hierarchy.children(root)).thenReturn(Arrays.asList(moduleA));
    File moduleAWorkdir = new File(rootWorkDir, "moduleA");
    when(moduleA.getWorkDir()).thenReturn(moduleAWorkdir.toPath());
    moduleAWorkdir.mkdir();
    new File(moduleAWorkdir, "fooA.txt").createNewFile();

    initializer.execute(hierarchy);

    assertThat(rootWorkDir).exists();
    assertThat(lock).exists();
    assertThat(rootWorkDir.list()).containsOnly(DirectoryLock.LOCK_FILE_NAME, "moduleA");
    assertThat(moduleAWorkdir).exists();
  }

}