/*
    * SPDX-FileCopyrightText: Copyright (c) 2011-2026 Yegor Bugayenko
    * SPDX-License-Identifier: MIT
    */
   package com.qulice.checkstyle;
   
   import com.qulice.spi.Environment;
   import com.qulice.spi.Violation;
   import java.io.File;
  import java.util.Collections;
  import org.hamcrest.MatcherAssert;
  import org.hamcrest.Matchers;
  import org.junit.jupiter.api.Test;
  
  /**
   * Test case for {@link CheckstyleValidator} file-exclusion short-circuit.
   *
   * <p>Regression coverage for
   * <a href="https://github.com/yegor256/qulice/issues/759">#759</a>: when
   * every file the validator is asked to check matches an exclude pattern,
   * Checkstyle itself must not be invoked and no violations can be
   * produced.</p>
   *
   * @since 0.24.2
   */
  final class CheckstyleValidatorExcludesTest {
  
      @Test
      void skipsProcessingWhenAllFilesExcluded() throws Exception {
          final String file = "src/main/java/foo/Main.java";
          final Environment env = new ExcludingEnvironment(
              new Environment.Mock().withFile(file, "class Main { }")
          );
          MatcherAssert.assertThat(
              "Excluded files must not yield violations",
              new CheckstyleValidator(env).validate(
                  Collections.singletonList(new File(env.basedir(), file))
              ),
              Matchers.<Violation>empty()
          );
      }
  }