@Test
public void responseTimeout() throws Exception {
server.enqueue(new MockResponse().setBody("ABC").clearHeaders().addHeader("Content-Length: 4"));
server.enqueue(new MockResponse().setBody("DEF"));
URLConnection urlConnection = server.getUrl("/").openConnection();
urlConnection.setReadTimeout(1000);
InputStream in = urlConnection.getInputStream();
assertEquals('A', in.read());
assertEquals('B', in.read());
assertEquals('C', in.read());
try {
in.read(); // if Content-Length was accurate, this would return -1 immediately
fail();
} catch (SocketTimeoutException expected) {
}
URLConnection urlConnection2 = server.getUrl("/").openConnection();
InputStream in2 = urlConnection2.getInputStream();
assertEquals('D', in2.read());
assertEquals('E', in2.read());
assertEquals('F', in2.read());
assertEquals(-1, in2.read());
assertEquals(0, server.takeRequest().getSequenceNumber());
assertEquals(0, server.takeRequest().getSequenceNumber());
}
@Test
public void disconnectAtStart() throws Exception {
server.enqueue(new MockResponse().setSocketPolicy(SocketPolicy.DISCONNECT_AT_START));
server.enqueue(new MockResponse()); // The jdk's HttpUrlConnection is a bastard.
server.enqueue(new MockResponse());
try {
server.getUrl("/a").openConnection().getInputStream();
} catch (IOException expected) {
}
server.getUrl("/b").openConnection().getInputStream(); // Should succeed.
}
@Test
public void bodySuccess200() {
server.enqueue(new MockResponse().setBody("Hi"));
BlockingObservable<String> o = service.body().toBlocking();
assertThat(o.first()).isEqualTo("Hi");
}
@Test
public void regularResponse() throws Exception {
server.enqueue(new MockResponse().setBody("hello world"));
URL url = server.getUrl("/");
HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setRequestProperty("Accept-Language", "en-US");
InputStream in = connection.getInputStream();
BufferedReader reader = new BufferedReader(new InputStreamReader(in));
assertEquals(HttpURLConnection.HTTP_OK, connection.getResponseCode());
assertEquals("hello world", reader.readLine());
RecordedRequest request = server.takeRequest();
assertEquals("GET / HTTP/1.1", request.getRequestLine());
assertEquals("en-US", request.getHeader("Accept-Language"));
}
/**
* Throttle the request body by sleeping 500ms after every 3 bytes. With a 6-byte request, this
* should yield one sleep for a total delay of 500ms.
*/
@Test
public void throttleRequest() throws Exception {
server.enqueue(new MockResponse().throttleBody(3, 500, TimeUnit.MILLISECONDS));
long startNanos = System.nanoTime();
URLConnection connection = server.getUrl("/").openConnection();
connection.setDoOutput(true);
connection.getOutputStream().write("ABCDEF".getBytes("UTF-8"));
InputStream in = connection.getInputStream();
assertEquals(-1, in.read());
long elapsedNanos = System.nanoTime() - startNanos;
long elapsedMillis = NANOSECONDS.toMillis(elapsedNanos);
assertTrue(String.format("Request + Response: %sms", elapsedMillis), elapsedMillis >= 500);
assertTrue(String.format("Request + Response: %sms", elapsedMillis), elapsedMillis < 1000);
}
@Test
public void nonHexadecimalChunkSize() throws Exception {
server.enqueue(
new MockResponse()
.setBody("G\r\nxxxxxxxxxxxxxxxx\r\n0\r\n\r\n")
.clearHeaders()
.addHeader("Transfer-encoding: chunked"));
URLConnection connection = server.getUrl("/").openConnection();
InputStream in = connection.getInputStream();
try {
in.read();
fail();
} catch (IOException expected) {
}
}
@Test
public void testHTTPSViaRibbon() {
Client trustSSLSockets = new Client.Default(TrustingSSLSocketFactory.get(), null);
server1.get().useHttps(TrustingSSLSocketFactory.get("localhost"), false);
server1.enqueue(new MockResponse().setBody("success!"));
getConfigInstance().setProperty(serverListKey(), hostAndPort(server1.getUrl("")));
TestInterface api =
Feign.builder()
.client(RibbonClient.builder().delegate(trustSSLSockets).build())
.target(TestInterface.class, "https://" + client());
api.post();
assertEquals(1, server1.getRequestCount());
}
@Test
public void responseSuccess404() throws IOException {
server.enqueue(new MockResponse().setResponseCode(404).setBody("Hi"));
BlockingObservable<Response<String>> o = service.response().toBlocking();
Response<String> response = o.first();
assertThat(response.isSuccess()).isFalse();
assertThat(response.errorBody().string()).isEqualTo("Hi");
}
@Test
public void resultFailure() {
server.enqueue(new MockResponse().setSocketPolicy(DISCONNECT_AFTER_REQUEST));
BlockingObservable<Result<String>> o = service.result().toBlocking();
Result<String> result = o.first();
assertThat(result.isError()).isTrue();
assertThat(result.error()).isInstanceOf(IOException.class);
}
@Test
public void ioExceptionRetry() throws IOException, InterruptedException {
server1.enqueue(new MockResponse().setSocketPolicy(SocketPolicy.DISCONNECT_AT_START));
server1.enqueue(new MockResponse().setBody("success!"));
getConfigInstance().setProperty(serverListKey(), hostAndPort(server1.getUrl("")));
TestInterface api =
Feign.builder()
.client(RibbonClient.create())
.target(TestInterface.class, "http://" + client());
api.post();
assertEquals(2, server1.getRequestCount());
// TODO: verify ribbon stats match
// assertEquals(target.lb().getLoadBalancerStats().getSingleServerStat())
}
@Test
public void responseSuccess200() {
server.enqueue(new MockResponse().setBody("Hi"));
BlockingObservable<Response<String>> o = service.response().toBlocking();
Response<String> response = o.first();
assertThat(response.isSuccess()).isTrue();
assertThat(response.body()).isEqualTo("Hi");
}
@Before
public void setUp() {
Retrofit retrofit =
new Retrofit.Builder()
.endpoint(server.getUrl("/").toString())
.converterFactory(new StringConverterFactory())
.callAdapterFactory(ObservableCallAdapterFactory.create())
.build();
service = retrofit.create(Service.class);
}
/** Delay the response body by sleeping 1s. */
@Test
public void delayResponse() throws IOException {
server.enqueue(new MockResponse().setBody("ABCDEF").setBodyDelay(1, SECONDS));
long startNanos = System.nanoTime();
URLConnection connection = server.getUrl("/").openConnection();
InputStream in = connection.getInputStream();
assertEquals('A', in.read());
assertEquals('B', in.read());
assertEquals('C', in.read());
assertEquals('D', in.read());
assertEquals('E', in.read());
assertEquals('F', in.read());
assertEquals(-1, in.read());
long elapsedNanos = System.nanoTime() - startNanos;
long elapsedMillis = NANOSECONDS.toMillis(elapsedNanos);
assertTrue(String.format("Request + Response: %sms", elapsedMillis), elapsedMillis >= 1000);
assertTrue(String.format("Request + Response: %sms", elapsedMillis), elapsedMillis <= 1100);
}
/*
This test-case replicates a bug that occurs when using RibbonRequest with a query string.
The querystrings would not be URL-encoded, leading to invalid HTTP-requests if the query string contained
invalid characters (ex. space).
*/
@Test
public void urlEncodeQueryStringParameters() throws IOException, InterruptedException {
String queryStringValue = "some string with space";
String expectedQueryStringValue = "some+string+with+space";
String expectedRequestLine = String.format("GET /?a=%s HTTP/1.1", expectedQueryStringValue);
server1.enqueue(new MockResponse().setBody("success!"));
getConfigInstance().setProperty(serverListKey(), hostAndPort(server1.getUrl("")));
TestInterface api =
Feign.builder()
.client(RibbonClient.create())
.target(TestInterface.class, "http://" + client());
api.getWithQueryParameters(queryStringValue);
final String recordedRequestLine = server1.takeRequest().getRequestLine();
assertEquals(recordedRequestLine, expectedRequestLine);
}
@Test
public void bodyFailure() {
server.enqueue(new MockResponse().setSocketPolicy(DISCONNECT_AFTER_REQUEST));
BlockingObservable<String> o = service.body().toBlocking();
try {
o.first();
fail();
} catch (RuntimeException e) {
assertThat(e.getCause()).isInstanceOf(IOException.class);
}
}
@Test
public void bodySuccess404() {
server.enqueue(new MockResponse().setResponseCode(404));
BlockingObservable<String> o = service.body().toBlocking();
try {
o.first();
fail();
} catch (RuntimeException e) {
// TODO assert on some indicator of 404.
}
}
/**
* Test that MockWebServer blocks for a call to enqueue() if a request is made before a mock
* response is ready.
*/
@Test
public void dispatchBlocksWaitingForEnqueue() throws Exception {
new Thread() {
@Override
public void run() {
try {
Thread.sleep(1000);
} catch (InterruptedException ignored) {
}
server.enqueue(new MockResponse().setBody("enqueued in the background"));
}
}.start();
URLConnection connection = server.getUrl("/").openConnection();
InputStream in = connection.getInputStream();
BufferedReader reader = new BufferedReader(new InputStreamReader(in));
assertEquals("enqueued in the background", reader.readLine());
}
@Test
public void redirect() throws Exception {
server.enqueue(
new MockResponse()
.setResponseCode(HttpURLConnection.HTTP_MOVED_TEMP)
.addHeader("Location: " + server.getUrl("/new-path"))
.setBody("This page has moved!"));
server.enqueue(new MockResponse().setBody("This is the new location!"));
URLConnection connection = server.getUrl("/").openConnection();
InputStream in = connection.getInputStream();
BufferedReader reader = new BufferedReader(new InputStreamReader(in));
assertEquals("This is the new location!", reader.readLine());
RecordedRequest first = server.takeRequest();
assertEquals("GET / HTTP/1.1", first.getRequestLine());
RecordedRequest redirect = server.takeRequest();
assertEquals("GET /new-path HTTP/1.1", redirect.getRequestLine());
}