code: // Licensed to the Software Freedom Conservancy (SFC) under one
  // or more contributor license agreements.  See the NOTICE file
  // distributed with this work for additional information
  // regarding copyright ownership.  The SFC licenses this file
  // to you under the Apache License, Version 2.0 (the
  // "License"); you may not use this file except in compliance
  // with the License.  You may obtain a copy of the License at
  //
  //   http://www.apache.org/licenses/LICENSE-2.0
  //
  // Unless required by applicable law or agreed to in writing,
  // software distributed under the License is distributed on an
  // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
  // KIND, either express or implied.  See the License for the
  // specific language governing permissions and limitations
  // under the License.
  
  package org.openqa.selenium.firefox;
  
  import static org.assertj.core.api.Assertions.assertThat;
  import static org.junit.jupiter.api.Assumptions.assumeTrue;
  
  import java.io.File;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Tag;
  import org.junit.jupiter.api.Test;
  import org.openqa.selenium.WebDriverException;
  
  @Tag("UnitTests")
  class ExecutableTest {
  
    private String binaryPath;
  
    @BeforeEach
    public void setUp() {
      try {
        binaryPath = new FirefoxBinary().getPath();
      } catch (WebDriverException ex) {
        ex.printStackTrace();
        assumeTrue(false);
      }
    }
  
    @Test
    void canFindVersion() {
      Executable exe = new Executable(new File(binaryPath));
      System.out.println(exe.getVersion());
      assertThat(exe.getVersion()).isNotEmpty().isNotEqualTo("1000.0 unknown");
    }
  
    @Test
    void canFindChannel() {
      Executable exe = new Executable(new File(binaryPath));
      System.out.println(exe.getChannel());
      assertThat(exe.getChannel()).isNotNull();
    }
  }
  