content: /**
   * Copyright (c) 2018-2019, Mihai Emil Andronache
   * All rights reserved.
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions are met:
   * 1)Redistributions of source code must retain the above copyright notice,
   * this list of conditions and the following disclaimer.
   * 2)Redistributions in binary form must reproduce the above copyright notice,
   * this list of conditions and the following disclaimer in the documentation
   * and/or other materials provided with the distribution.
   * 3)Neither the name of docker-java-api nor the names of its
   * contributors may be used to endorse or promote products derived from
   * this software without specific prior written permission.
   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
   * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
   * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
   * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
   * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
   * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
   * POSSIBILITY OF SUCH DAMAGE.
   */
  package com.amihaiemil.docker;
  
  import java.util.regex.Matcher;
  import java.util.regex.Pattern;
  import org.apache.http.Header;
  import org.apache.http.HttpRequest;
  import org.apache.http.RequestLine;
  import org.apache.http.params.BasicHttpParams;
  import org.hamcrest.MatcherAssert;
  import org.hamcrest.core.IsEqual;
  import org.junit.Test;
  import org.mockito.ArgumentCaptor;
  import org.mockito.Mockito;
  
  /**
   * Unit tests for {@link UserAgentRequestHeader}.
   * @author Boris Kuzmic (boris.kuzmic@gmail.com)
   * @since 0.0.8
   */
  public final class UserAgentRequestHeaderTestCase {
  
      /**
       * UserAgentRequestHeader adds correct header with current version.
       * @throws Exception If something goes wrong.
       */
      @Test
      public void correctUserAgentHeader() throws Exception {
          final RequestLine mockRequestLine = Mockito.mock(RequestLine.class);
          Mockito.when(mockRequestLine.getMethod()).thenReturn("GET");
          final HttpRequest mockRequest = Mockito.mock(HttpRequest.class);
          Mockito.when(mockRequest.getRequestLine()).thenReturn(mockRequestLine);
          Mockito.when(mockRequest.getParams()).thenReturn(new BasicHttpParams());
  
          final UserAgentRequestHeader header = new UserAgentRequestHeader();
          header.process(mockRequest, null);
  
          final ArgumentCaptor<Header> headerCaptor =
              ArgumentCaptor.forClass(Header.class);
          Mockito.verify(mockRequest).addHeader(headerCaptor.capture());
          MatcherAssert.assertThat(
              "Header name must be User-Agent",
              headerCaptor.getValue().getName(),
              new IsEqual<>("User-Agent")
          );
          final Pattern pattern =
              Pattern.compile("(?<=docker-java-api.\\/.)(.*)(?=.See)");
          final Matcher matcher =
              pattern.matcher(headerCaptor.getValue().getValue());
          MatcherAssert.assertThat(
              "Header value must have version in it",
              matcher.find(),
              new IsEqual<>(true)
          );
      }
  }
  