juplo.de Git - facebook-errors/blob - src/test/java/de/juplo/facebook/errors/GraphApiExchangeFilterFunctionIntegrationTest.java

   1 package de.juplo.facebook.errors;
   2
   3
   4 import de.juplo.facebook.errors.GraphApiException.Type;
   5 import java.time.Duration;
   6 import java.util.List;
   7 import okhttp3.mockwebserver.MockResponse;
   8 import okhttp3.mockwebserver.MockWebServer;
   9 import org.junit.After;
  10 import static org.junit.Assert.assertEquals;
  11 import org.junit.Before;
  12 import org.junit.Test;
  13 import org.slf4j.Logger;
  14 import org.slf4j.LoggerFactory;
  15 import org.springframework.http.HttpStatus;
  16 import org.springframework.http.client.reactive.JettyClientHttpConnector;
  17 import org.springframework.web.reactive.function.client.WebClient;
  18 import reactor.core.publisher.Mono;
  19 import reactor.test.StepVerifier;
  20
  21
  22 /**
  23  *
  24  * @author Kai Moritz
  25  */
  26 public class GraphApiExchangeFilterFunctionIntegrationTest
  27 {
  28   private static final Logger LOG =
  29       LoggerFactory.getLogger(GraphApiExchangeFilterFunctionIntegrationTest.class);
  30
  31   private MockWebServer server;
  32         private WebClient webClient;
  33
  34
  35         @Before
  36         public void setup()
  37   {
  38     server = new MockWebServer();
  39     webClient =
  40         WebClient
  41             .builder()
  42             .clientConnector(new JettyClientHttpConnector())
  43             .baseUrl(server.url("/").toString())
  44             .build();
  45         }
  46
  47         @After
  48         public void shutdown() throws Exception
  49   {
  50     this.server.shutdown();
  51         }
  52
  53
  54   @Test
  55   public void testValidError()
  56   {
  57     server
  58         .enqueue(new MockResponse()
  59             .setResponseCode(HttpStatus.BAD_REQUEST.value())
  60             .setHeader("Content-Type", "application/json")
  61             .setBody(
  62                 "{\n" +
  63                 "  \"error\":\n" +
  64                 "  {\n" +
  65                 "    \"message\": \"(#613) Calls to stream have exceeded the rate of 600 calls per 600 seconds.\",\n" +
  66                 "    \"type\": \"OAuthException\",\n" +
  67                 "    \"code\": 613\n" +
  68                 "  }\n" +
  69                 "}"));
  70
  71
  72     Mono<String> result =
  73         webClient
  74             .get()
  75             .uri("/egal")
  76             .retrieve()
  77             .onStatus(status -> status.is4xxClientError(), response -> GraphApiException.create(response))
  78             .bodyToMono(String.class);
  79
  80     StepVerifier
  81         .create(result)
  82         .expectErrorSatisfies(throwable ->
  83         {
  84           assertEquals(RateLimitExceededException.class, throwable.getClass());
  85           RateLimitExceededException e = (RateLimitExceededException)throwable;
  86           LOG.debug("{}", e.toString());
  87           assertEquals(new Integer(613), e.getCode());
  88           assertEquals("(#613) Calls to stream have exceeded the rate of 600 calls per 600 seconds.", e.getMessage());
  89           assertEquals(Type.OAuthException, e.getType());
  90         })
  91         .verify(Duration.ofSeconds(3));
  92   }
  93
  94   @Test
  95   public void testTest()
  96   {
  97     WebClient webClient =
  98         WebClient
  99             .builder()
 100             .clientConnector(new JettyClientHttpConnector())
 101             .baseUrl(server.url("/").toString())
 102             .filter((request, next) -> next.exchange(request).flatMap(response ->
 103             {
 104                                                         List<String> headerValues = response.headers().header("Foo");
 105                                                         return headerValues.isEmpty() ? Mono.error(GraphApiException.create(response).block()) :
 106                                                                         Mono.just(response);
 107                                                 }))
 108             .build();
 109
 110     server
 111         .enqueue(new MockResponse()
 112             .setResponseCode(400)
 113             .setHeader("Content-Type", "text/plain")
 114             .setBody("Hello Spring!"));
 115
 116                 Mono<String> result;
 117
 118     result = webClient.get()
 119                                 .uri("/greeting?name=Spring")
 120                                 .retrieve()
 121         .onStatus(status -> status.is4xxClientError(), response -> GraphApiException.create(response))
 122                                 .bodyToMono(String.class);
 123
 124                 StepVerifier.create(result)
 125                                 .expectError(Exception.class)
 126                                 .verify(Duration.ofSeconds(3));
 127
 128     server
 129         .enqueue(new MockResponse()
 130             .setResponseCode(200)
 131             .setHeader("Content-Type", "text/plain")
 132             .setHeader("Foo", "Bar")
 133             .setBody("Hello Spring!"));
 134
 135                 result = webClient.get()
 136                                 .uri("/greeting?name=Spring")
 137                                 .retrieve()
 138                                 .bodyToMono(String.class);
 139
 140                 StepVerifier.create(result)
 141                                 .expectNext("Hello Spring!")
 142         .expectComplete()
 143                                 .verify(Duration.ofSeconds(3));
 144   }
 145 }