/*
    * The MIT License (MIT)
    *
    * Copyright (c) 2013-2026 The Coveralls Maven Plugin Project Contributors:
    *     https://github.com/hazendaz/coveralls-maven-plugin/graphs/contributors
    *
    * 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.
   */
  package org.eluder.coveralls.maven.plugin.source;
  
  import java.io.File;
  import java.io.IOException;
  import java.nio.charset.StandardCharsets;
  import java.nio.file.Files;
  import java.nio.file.Path;
  
  import org.eluder.coveralls.maven.plugin.util.TestIoUtil;
  import org.junit.jupiter.api.Assertions;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.io.CleanupMode;
  import org.junit.jupiter.api.io.TempDir;
  
  /**
   * The Class ScanSourceLoaderTest.
   */
  class ScanSourceLoaderTest {
  
      /** The folder. */
      @TempDir(cleanup = CleanupMode.ON_SUCCESS)
      Path folder;
  
      /**
       * Missing source file from directory.
       *
       * @throws IOException
       *             Signals that an I/O exception has occurred.
       */
      @Test
      void missingSourceFileFromDirectory() throws IOException {
          final var sourceLoader = new ScanSourceLoader(this.folder.toFile(), this.folder.toFile(),
                  StandardCharsets.UTF_8);
          Assertions.assertNull(sourceLoader.load("Foo.java"));
      }
  
      /**
       * Invalid source file.
       *
       * @throws IOException
       *             Signals that an I/O exception has occurred.
       */
      @Test
      void invalidSourceFile() throws IOException {
          final var subFolder = Files.createDirectory(this.folder.resolve("subFolder")).toFile();
          final var sourceLoader = new ScanSourceLoader(this.folder.toFile(), this.folder.toFile(),
                  StandardCharsets.UTF_8);
          final var subFolderName = subFolder.getName();
          Assertions.assertThrows(IllegalArgumentException.class, () -> sourceLoader.load(subFolderName));
      }
  
      /**
       * Load source.
       *
       * @throws IOException
       *             Signals that an I/O exception has occurred.
       */
      @Test
      void loadSource() throws IOException {
          final var level1 = Files.createDirectory(this.folder.resolve("level1"));
          final var level2 = Files.createDirectory(level1.resolve("level2"));
          final var level3 = Files.createDirectory(level2.resolve("level3"));
          final var fileA = Files.createFile(level3.resolve("AFile.java")).toFile();
          final var fileB = Files.createFile(level3.resolve("BFile.java")).toFile();
          TestIoUtil.writeFileContent("public class Foo {\r\n    \n}\r", fileA);
          TestIoUtil.writeFileContent("public class Foo {\r\n    \n}\r", fileB);
          final var sourceLoader = new ScanSourceLoader(this.folder.toFile(), this.folder.toFile(),
                  StandardCharsets.UTF_8);
          final var sourceA = sourceLoader.load(fileA.getName());
          Assertions.assertEquals(
                  "level1" + File.separator + "level2" + File.separator + "level3" + File.separator + "AFile.java",
                  sourceA.getName());
          Assertions.assertEquals(
                  "27F0B29785725F4946DBD05F7963E507B8DB735C2803BBB80C93ECB02291B2E2F9B03CBF27526DB68B6A862F1C6541275CD413A1CCD3E07209B9CAE0C04163C6",
                  sourceA.getDigest());
         Assertions.assertEquals(4, sourceA.getCoverage().length);
         final var sourceB = sourceLoader.load(fileB.getName());
         Assertions.assertEquals(
                 "level1" + File.separator + "level2" + File.separator + "level3" + File.separator + "BFile.java",
                 sourceB.getName());
         Assertions.assertEquals(
                 "27F0B29785725F4946DBD05F7963E507B8DB735C2803BBB80C93ECB02291B2E2F9B03CBF27526DB68B6A862F1C6541275CD413A1CCD3E07209B9CAE0C04163C6",
                 sourceB.getDigest());
         Assertions.assertEquals(4, sourceB.getCoverage().length);
     }
 
 }