import org.junit.Test;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
-import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpStatus;
import org.springframework.http.client.reactive.JettyClientHttpConnector;
-import org.springframework.web.reactive.function.client.ExchangeFilterFunction;
import org.springframework.web.reactive.function.client.WebClient;
import reactor.core.publisher.Mono;
import reactor.test.StepVerifier;
.builder()
.clientConnector(new JettyClientHttpConnector())
.baseUrl(server.url("/").toString())
- .filter(errorHandlingFilter())
+ .filter(new GraphApiExchangeFilterFunction())
.build();
}
}
+ @Test
+ public void testNoError()
+ {
+ //server
+ // .enqueue(new MockResponse()
+ // .setResponseCode(HttpStatus.CONTINUE.value())
+ // .setHeader("Content-Type", "application/json")
+ // .setBody("Hallo Welt!"));
+ //
+ //try
+ //{
+ // String result = clientTemplate.getForObject(uri, String.class);
+ // assertEquals("Hallo Welt!", result);
+ //}
+ //catch(Exception e)
+ //{
+ // LOG.debug("{}", e.toString());
+ // fail("Unexpected error: " + e);
+ //}
+
+
+ server
+ .enqueue(new MockResponse()
+ .setResponseCode(HttpStatus.OK.value())
+ .setHeader("Content-Type", "text/plain")
+ .setBody("Hallo Welt!"));
+
+ try
+ {
+ String result = clientTemplate.getForObject(uri, String.class);
+ assertEquals("Hallo Welt!", result);
+ }
+ catch(Exception e)
+ {
+ LOG.debug("{}", e.toString());
+ fail("Unexpected error: " + e);
+ }
+
+
+ server
+ .enqueue(new MockResponse()
+ .setResponseCode(HttpStatus.TEMPORARY_REDIRECT.value())
+ .setHeader("Content-Type", "text/plain")
+ .setBody("Hallo Welt!"));
+
+ try
+ {
+ String result = clientTemplate.getForObject(uri, String.class);
+ assertEquals("Hallo Welt!", result);
+ }
+ catch(Exception e)
+ {
+ LOG.debug("{}", e.toString());
+ fail("Unexpected error: " + e);
+ }
+
+
+ server
+ .enqueue(new MockResponse()
+ .setResponseCode(HttpStatus.INTERNAL_SERVER_ERROR.value())
+ .setHeader("Content-Type", "text/plain")
+ .setBody("Hallo Welt!"));
+
+ try
+ {
+ clientTemplate.getForObject(uri, String.class);
+ fail("The parent handler should have raised an exception!");
+ }
+ catch(HttpServerErrorException e)
+ {
+ LOG.debug("Expexted error: {}", e.toString());
+ }
+ catch(Exception e)
+ {
+ LOG.debug("{}", e.toString());
+ fail("Unexpected error: " + e);
+ }
+ }
+
+ @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" +
+ "}"));
+
+ try
+ {
+ clientTemplate.getForObject(uri, String.class);
+ fail("The expected exception was not thrown");
+ }
+ catch(RateLimitExceededException e)
+ {
+ 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());
+ }
+ }
+
+ @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" +
+ "}"));
+
+ try
+ {
+ clientTemplate.getForObject(uri, String.class);
+ fail("The expected exception was not thrown");
+ }
+ catch(GraphApiException e)
+ {
+ 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) {}
+ }
+ }
+
+ @Test
+ public void testInvlalidError()
+ {
+ 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" +
+ "}"));
+
+ try
+ {
+ clientTemplate.getForObject(uri, String.class);
+ fail("The parent handler should have raised an exception!");
+ }
+ catch(HttpClientErrorException e)
+ {
+ LOG.debug("Expexted error: {}", e.toString());
+ }
+ catch(Exception e)
+ {
+ LOG.debug("{}", e.toString());
+ fail("Unexpected error: " + e);
+ }
+
+
+ server
+ .enqueue(new MockResponse()
+ .setResponseCode(HttpStatus.BAD_REQUEST.value())
+ .setHeader("Content-Type", "text/plain")
+ .setBody("Hallo Welt!"));
+
+ try
+ {
+ clientTemplate.getForObject(uri, String.class);
+ fail("The parent handler should have raised an exception!");
+ }
+ catch(HttpClientErrorException e)
+ {
+ LOG.debug("Expexted error: {}", e.toString());
+ }
+ catch(Exception e)
+ {
+ LOG.debug("{}", e.toString());
+ fail("Unexpected error: " + e);
+ }
+ }
+
@Test
public void testValidError()
{
})
.verify(Duration.ofSeconds(3));
}
-
- @Test
- public void testTest()
- {
- server
- .enqueue(new MockResponse()
- .setResponseCode(400)
- .setHeader("Content-Type", "text/plain")
- .setBody("Hello Spring!"));
-
- Mono<String> result;
-
- result = webClient.get()
- .uri("/greeting?name=Spring")
- .retrieve()
- .bodyToMono(String.class);
-
- StepVerifier.create(result)
- .expectError(Exception.class)
- .verify(Duration.ofSeconds(3));
-
- server
- .enqueue(new MockResponse()
- .setResponseCode(200)
- .setHeader("Content-Type", "text/plain")
- .setHeader("Foo", "Bar")
- .setBody("Hello Spring!"));
-
- result = webClient.get()
- .uri("/greeting?name=Spring")
- .retrieve()
- .bodyToMono(String.class);
-
- StepVerifier.create(result)
- .expectNext("Hello Spring!")
- .expectComplete()
- .verify(Duration.ofSeconds(3));
- }
-
- public static ExchangeFilterFunction errorHandlingFilter()
- {
- return (request, next) -> next.exchange(request).flatMap(response ->
- {
- if (response.statusCode() != null && (response.statusCode()
- .is5xxServerError() || response.statusCode().is4xxClientError()))
- {
- return response.bodyToMono(String.class)
- .flatMap(errorBody ->
- {
- return Mono.error(GraphApiException.create(response.statusCode(), response.headers().asHttpHeaders(), errorBody.getBytes()));
- });
- }
- else
- {
- return Mono.just(response);
- }
- });
- }
}