--- /dev/null
+package de.juplo.facebook.errors;
+
+
+import de.juplo.facebook.errors.GraphApiException.Type;
+import okhttp3.mockwebserver.MockResponse;
+import okhttp3.mockwebserver.MockWebServer;
+import org.junit.After;
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.fail;
+import org.junit.Before;
+import org.junit.Test;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.client.reactive.JettyClientHttpConnector;
+import org.springframework.web.reactive.function.client.WebClient;
+import org.springframework.web.reactive.function.client.WebClientResponseException.BadRequest;
+import org.springframework.web.reactive.function.client.WebClientResponseException.InternalServerError;
+import reactor.core.publisher.Mono;
+import reactor.test.StepVerifier;
+
+
+/**
+ *
+ * @author Kai Moritz
+ */
+public class GraphApiExchangeFilterFunctionIntegrationTest
+{
+ private static final Logger LOG =
+ LoggerFactory.getLogger(GraphApiExchangeFilterFunctionIntegrationTest.class);
+
+ private MockWebServer server;
+ private WebClient webClient;
+
+
+ @Before
+ public void setup()
+ {
+ server = new MockWebServer();
+ webClient =
+ WebClient
+ .builder()
+ .clientConnector(new JettyClientHttpConnector())
+ .baseUrl(server.url("/").toString())
+ .filter(new GraphApiExchangeFilterFunction())
+ .build();
+ }
+
+ @After
+ public void shutdown() throws Exception
+ {
+ this.server.shutdown();
+ }
+
+
+ @Test
+ public void testNoError()
+ {
+ Mono<String> result;
+
+
+ //server
+ // .enqueue(new MockResponse()
+ // .setResponseCode(HttpStatus.CONTINUE.value())
+ // .setHeader("Content-Type", "application/json")
+ // .setBody("Hallo Welt!"));
+ //
+ //result =
+ // webClient
+ // .get()
+ // .uri("/egal")
+ // .retrieve()
+ // .bodyToMono(String.class);
+ //
+ //StepVerifier
+ // .create(result)
+ // .expectNext("Hallo Welt!")
+ // .expectComplete()
+ // .verify();
+
+
+ server
+ .enqueue(new MockResponse()
+ .setResponseCode(HttpStatus.OK.value())
+ .setHeader("Content-Type", "text/plain")
+ .setBody("Hallo Welt!"));
+
+ result =
+ webClient
+ .get()
+ .uri("/egal")
+ .retrieve()
+ .bodyToMono(String.class);
+
+ StepVerifier
+ .create(result)
+ .expectNext("Hallo Welt!")
+ .expectComplete()
+ .verify();
+
+
+ server
+ .enqueue(new MockResponse()
+ .setResponseCode(HttpStatus.TEMPORARY_REDIRECT.value())
+ .setHeader("Location", server.url("/woanders"))
+ .setHeader("Content-Type", "text/plain")
+ .setBody("Jetzt doch woanders..."));
+ server
+ .enqueue(new MockResponse()
+ .setResponseCode(HttpStatus.OK.value())
+ .setHeader("Content-Type", "text/plain")
+ .setBody("Hallo Welt!"));
+
+ result =
+ webClient
+ .get()
+ .uri("/egal")
+ .retrieve()
+ .bodyToMono(String.class);
+
+ StepVerifier
+ .create(result)
+ .expectNext("Hallo Welt!")
+ .expectComplete()
+ .verify();
+
+
+ server
+ .enqueue(new MockResponse()
+ .setResponseCode(HttpStatus.INTERNAL_SERVER_ERROR.value())
+ .setHeader("Content-Type", "text/plain")
+ .setBody("Hallo Welt!"));
+
+ result =
+ webClient
+ .get()
+ .uri("/egal")
+ .retrieve()
+ .bodyToMono(String.class);
+
+ StepVerifier
+ .create(result)
+ .expectError(InternalServerError.class)
+ .verify();
+ }
+
+ @Test
+ public void testValidError()
+ {
+ server
+ .enqueue(new MockResponse()
+ .setResponseCode(HttpStatus.BAD_REQUEST.value())
+ .setHeader("Content-Type", "application/json")
+ .setBody(
+ "{\n" +
+ " \"error\":\n" +
+ " {\n" +
+ " \"message\": \"(#613) Calls to stream have exceeded the rate of 600 calls per 600 seconds.\",\n" +
+ " \"type\": \"OAuthException\",\n" +
+ " \"code\": 613\n" +
+ " }\n" +
+ "}"));
+
+ Mono<String> result =
+ webClient
+ .get()
+ .uri("/egal")
+ .retrieve()
+ .bodyToMono(String.class);
+
+ StepVerifier.create(result).expectErrorSatisfies(throwable ->
+ {
+ assertEquals(RateLimitExceededException.class, throwable.getClass());
+ RateLimitExceededException e = (RateLimitExceededException)throwable;
+ LOG.debug("{}", e.toString());
+ assertEquals(new Integer(613), e.getCode());
+ assertEquals("(#613) Calls to stream have exceeded the rate of 600 calls per 600 seconds.", e.getMessage());
+ assertEquals(Type.OAuthException, e.getType());
+ })
+ .verify();
+ }
+
+ @Test
+ public void testUnmappedError()
+ {
+ server
+ .enqueue(new MockResponse()
+ .setResponseCode(HttpStatus.BAD_REQUEST.value())
+ .setHeader("Content-Type", "application/json")
+ .setBody(
+ "{\n" +
+ " \"error\":\n" +
+ " {\n" +
+ " \"message\": \"This error does not exist.\",\n" +
+ " \"type\": \"NonexistentTypeException\",\n" +
+ " \"code\": 999999999\n" +
+ " }\n" +
+ "}"));
+
+
+ Mono<String> result =
+ webClient
+ .get()
+ .uri("/egal")
+ .retrieve()
+ .bodyToMono(String.class);
+
+ StepVerifier.create(result).expectErrorSatisfies(throwable ->
+ {
+ assertEquals(UnmappedErrorException.class, throwable.getClass());
+ UnmappedErrorException e = (UnmappedErrorException)throwable;
+ LOG.debug("{}", e.toString());
+ assertEquals(new Integer(999999999), e.getCode());
+ assertEquals("This error does not exist.", e.getMessage());
+ try
+ {
+ Type type = e.getType();
+ LOG.error("unknown type: {}", type);
+ fail("unmapped type was resolved by enum: " + type);
+ }
+ catch (IllegalArgumentException ee) {}
+ })
+ .verify();
+ }
+
+ @Test
+ public void testInvlalidError()
+ {
+ Mono<String> result;
+
+
+ server
+ .enqueue(new MockResponse()
+ .setResponseCode(HttpStatus.BAD_REQUEST.value())
+ .setHeader("Content-Type", "application/json")
+ .setBody(
+ "{\n" +
+ " \"error\":\n" +
+ " {\n" +
+ " \"message\": \"Not a Graph-Api-Exception.\",\n" +
+ " \"type\": \"Whatever\",\n" +
+ " \"code\": \"some string\"\n" +
+ " }\n" +
+ "}"));
+
+ result =
+ webClient
+ .get()
+ .uri("/egal")
+ .retrieve()
+ .bodyToMono(String.class);
+
+ StepVerifier.create(result).expectError(BadRequest.class).verify();
+
+
+ server
+ .enqueue(new MockResponse()
+ .setResponseCode(HttpStatus.BAD_REQUEST.value())
+ .setHeader("Content-Type", "text/plain")
+ .setBody("Hallo Welt!"));
+
+ result =
+ webClient
+ .get()
+ .uri("/egal")
+ .retrieve()
+ .bodyToMono(String.class);
+
+ StepVerifier.create(result).expectError(BadRequest.class).verify();
+ }
+}
projects / facebook-errors / blobdiff