@Test
  public void shouldNotAddAdditionalSlashWhenEndpointContainsOneButPathIsEmpty() throws Exception {
    Request<?> amazonRequest = HttpClient.convertToRequest(new HttpRequest(HttpMethodName.GET));
    amazonRequest.setEndpoint(new URI("https://endpoint.with.hostname/and_a_path"));
    amazonRequest.setResourcePath("");

    HTTPRequest googleRequest =
        new AmazonHttpRequestToGoogleHttpRequestAdaptor().convert(amazonRequest);
    assertEquals("https://endpoint.with.hostname/and_a_path", googleRequest.getURL().toString());
  }
  @Test
  public void shouldAppendTrailingSlashWhenEndpointLacksOneAndNeitherPathNorQueryStringSupplied()
      throws Exception {
    Request<?> amazonRequest = HttpClient.convertToRequest(new HttpRequest(HttpMethodName.GET));
    amazonRequest.setEndpoint(new URI("https://hostname.without.a.trailing.slash"));

    HTTPRequest googleRequest =
        new AmazonHttpRequestToGoogleHttpRequestAdaptor().convert(amazonRequest);
    assertEquals("https://hostname.without.a.trailing.slash/", googleRequest.getURL().toString());
  }
  @Test
  public void shouldAvoidDoubleSlashWhenBothEndpointAndPathSupplyOne() throws Exception {
    Request<?> amazonRequest = HttpClient.convertToRequest(new HttpRequest(HttpMethodName.GET));
    amazonRequest.setEndpoint(new URI("https://endpoint/"));
    amazonRequest.setResourcePath("/resource/path/");

    HTTPRequest googleRequest =
        new AmazonHttpRequestToGoogleHttpRequestAdaptor().convert(amazonRequest);
    assertEquals("https://endpoint/resource/path/", googleRequest.getURL().toString());
  }
  @Test
  public void shouldAddSlashBetweenHostAndQueryStringWhenEndpointHasNoSlashAndPathIsEmpty()
      throws Exception {
    Request<?> amazonRequest = HttpClient.convertToRequest(new HttpRequest(HttpMethodName.GET));
    amazonRequest.setEndpoint(new URI("https://hostname.without.a.trailing.slash"));
    amazonRequest.addParameter("key", "value");

    HTTPRequest googleRequest =
        new AmazonHttpRequestToGoogleHttpRequestAdaptor().convert(amazonRequest);
    assertEquals(
        "https://hostname.without.a.trailing.slash/?key=value", googleRequest.getURL().toString());
  }
  @Test
  public void shouldInsertSlashBetweenEndpointAndPathWhenNeitherHasOne() throws Exception {
    Request<?> amazonRequest = HttpClient.convertToRequest(new HttpRequest(HttpMethodName.GET));
    amazonRequest.setEndpoint(new URI("https://hostname.without.a.trailing.slash"));
    amazonRequest.setResourcePath("resource/without/a/leading/slash/");

    HTTPRequest googleRequest =
        new AmazonHttpRequestToGoogleHttpRequestAdaptor().convert(amazonRequest);
    assertEquals(
        "https://hostname.without.a.trailing.slash/resource/without/a/leading/slash/",
        googleRequest.getURL().toString());
  }
  @Test
  public void shouldPutContentIntoPayload() throws Exception {
    HttpRequest amazonRequest = new HttpRequest(HttpMethodName.POST);
    amazonRequest.setEndpoint(new URI("https://endpoint/"));
    amazonRequest.setContent(new ByteArrayInputStream("PAYLOAD".getBytes()));

    HTTPRequest googleRequest =
        new AmazonHttpRequestToGoogleHttpRequestAdaptor()
            .convert(HttpClient.convertToRequest(amazonRequest));
    assertEquals("https://endpoint/", googleRequest.getURL().toString());
    assertEquals("PAYLOAD", new String(googleRequest.getPayload()));
  }
  @Test
  public void shouldIncludeParametersInRequestBodyForPostRequestIfNoContentSupplied()
      throws Exception {
    HttpRequest amazonRequest = new HttpRequest(HttpMethodName.POST);
    amazonRequest.setEndpoint(new URI("https://endpoint/"));
    amazonRequest.addParameter("key", "value");

    HTTPRequest googleRequest =
        new AmazonHttpRequestToGoogleHttpRequestAdaptor()
            .convert(HttpClient.convertToRequest(amazonRequest));
    assertEquals("https://endpoint/", googleRequest.getURL().toString());
    assertEquals("key=value", new String(googleRequest.getPayload()));
  }
  @Test
  public void shouldPutParamatersInQueryStringWhenContentAlsoSupplied() throws Exception {
    HttpRequest amazonRequest = new HttpRequest(HttpMethodName.POST);
    amazonRequest.setEndpoint(new URI("https://endpoint/"));
    amazonRequest.addParameter("key", "value");
    amazonRequest.setContent(new ByteArrayInputStream("PAYLOAD".getBytes()));

    HTTPRequest googleRequest =
        new AmazonHttpRequestToGoogleHttpRequestAdaptor()
            .convert(HttpClient.convertToRequest(amazonRequest));
    assertEquals("https://endpoint/?key=value", googleRequest.getURL().toString());
    assertEquals("PAYLOAD", new String(googleRequest.getPayload()));
  }
  @Test
  public void shouldConcatenateEndpointWithPathAndQueryString() throws Exception {
    Request<?> amazonRequest = HttpClient.convertToRequest(new HttpRequest(HttpMethodName.GET));
    amazonRequest.setEndpoint(new URI("https://endpoint"));
    amazonRequest.setResourcePath("/resource/path/");
    amazonRequest.addParameter("key1", "value1");
    amazonRequest.addParameter("key2", "value2");

    HTTPRequest googleRequest =
        new AmazonHttpRequestToGoogleHttpRequestAdaptor().convert(amazonRequest);
    assertEquals(
        "https://endpoint/resource/path/?key2=value2&key1=value1",
        googleRequest.getURL().toString());
  }