Class SAXDecoderTest

sax/src/test/java/feign/sax/SAXDecoderTest.java:34–169

import org.xml.sax.helpers.DefaultHandler;

@SuppressWarnings("deprecation")
class SAXDecoderTest {

  static String statusFailed =
"""
<soap:Envelope xmlns:soap="http://schemas.xmlsoap.org/soap/envelope/">
  <soap:Body>
    <ns1:getNeustarNetworkStatusResponse xmlns:ns1="http://webservice.api.ultra.neustar.com/v01/">
      <NeustarNetworkStatus xmlns:ns2="http://schema.ultraservice.neustar.com/v01/">Failed</NeustarNetworkStatus>
    </ns1:getNeustarNetworkStatusResponse>
  </soap:Body>
</soap:Envelope>
""";
  Decoder decoder =
      SAXDecoder.builder()
          .registerContentHandler(
              NetworkStatus.class,
              new SAXDecoder.ContentHandlerWithResult.Factory<NetworkStatus>() {
                @Override
                public SAXDecoder.ContentHandlerWithResult<NetworkStatus> create() {
                  return new NetworkStatusHandler();
                }
              }) //
          .registerContentHandler(NetworkStatusStringHandler.class) //
          .build();

  @Test
  void parsesConfiguredTypes() throws ParseException, IOException {
    assertThat(decoder.decode(statusFailedResponse(), NetworkStatus.class))
        .isEqualTo(NetworkStatus.FAILED);
    assertThat(decoder.decode(statusFailedResponse(), String.class)).isEqualTo("Failed");
  }

  @Test
  void niceErrorOnUnconfiguredType() throws ParseException, IOException {
    Throwable exception =
        assertThrows(
            IllegalStateException.class, () -> decoder.decode(statusFailedResponse(), int.class));

    assertThat(exception.getMessage()).contains("type int not in configured handlers");
  }

  private Response statusFailedResponse() {
    return Response.builder()
        .status(200)
        .reason("OK")
        .request(Request.create(HttpMethod.GET, "/api", Collections.emptyMap(), null, Util.UTF_8))
        .headers(Collections.<String, Collection<String>>emptyMap())
        .body(statusFailed, UTF_8)
        .build();
  }

  @Test
  void nullBodyDecodesToEmpty() throws Exception {
    Response response =
        Response.builder()
            .status(204)
            .reason("OK")