/
HttpResponseExceptionTest.java
345 lines (327 loc) · 13.7 KB
/
HttpResponseExceptionTest.java
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/*
* Copyright (c) 2011 Google Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
*/
package com.google.api.client.http;
import static com.google.api.client.testing.http.HttpTesting.SIMPLE_GENERIC_URL;
import static com.google.api.client.util.StringUtils.LINE_SEPARATOR;
import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.assertThrows;
import com.google.api.client.http.HttpResponseException.Builder;
import com.google.api.client.testing.http.MockHttpTransport;
import com.google.api.client.testing.http.MockLowLevelHttpRequest;
import com.google.api.client.testing.http.MockLowLevelHttpResponse;
import com.google.api.client.util.ExponentialBackOff;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutput;
import java.io.ObjectOutputStream;
import junit.framework.TestCase;
import org.junit.Assert;
import org.junit.function.ThrowingRunnable;
/**
* Tests {@link HttpResponseException}.
*
* @author Yaniv Inbar
*/
public class HttpResponseExceptionTest extends TestCase {
public void testConstructor() throws Exception {
HttpTransport transport = new MockHttpTransport();
HttpRequest request = transport.createRequestFactory().buildGetRequest(SIMPLE_GENERIC_URL);
HttpResponse response = request.execute();
HttpHeaders headers = response.getHeaders();
HttpResponseException responseException = new HttpResponseException(response);
assertThat(responseException).hasMessageThat().isEqualTo("200\nGET " + SIMPLE_GENERIC_URL);
assertNull(responseException.getContent());
assertEquals(200, responseException.getStatusCode());
assertNull(responseException.getStatusMessage());
assertTrue(headers == responseException.getHeaders());
}
public void testBuilder() throws Exception {
HttpHeaders headers = new HttpHeaders();
Builder builder =
new HttpResponseException.Builder(9, "statusMessage", headers)
.setMessage("message")
.setContent("content");
assertEquals("message", builder.getMessage());
assertEquals("content", builder.getContent());
assertEquals(9, builder.getStatusCode());
assertEquals("statusMessage", builder.getStatusMessage());
assertTrue(headers == builder.getHeaders());
HttpResponseException e = builder.build();
assertEquals("message", e.getMessage());
assertEquals("content", e.getContent());
assertEquals(9, e.getStatusCode());
assertEquals("statusMessage", e.getStatusMessage());
assertTrue(headers == e.getHeaders());
}
public void testConstructorWithStatusMessage() throws Exception {
HttpTransport transport =
new MockHttpTransport() {
@Override
public LowLevelHttpRequest buildRequest(String method, String url) throws IOException {
return new MockLowLevelHttpRequest() {
@Override
public LowLevelHttpResponse execute() throws IOException {
MockLowLevelHttpResponse result = new MockLowLevelHttpResponse();
result.setReasonPhrase("OK");
return result;
}
};
}
};
HttpRequest request = transport.createRequestFactory().buildGetRequest(SIMPLE_GENERIC_URL);
HttpResponse response = request.execute();
HttpResponseException responseException = new HttpResponseException(response);
assertEquals("OK", responseException.getStatusMessage());
}
public void testConstructor_noStatusCode() throws Exception {
HttpTransport transport =
new MockHttpTransport() {
@Override
public LowLevelHttpRequest buildRequest(String method, String url) throws IOException {
return new MockLowLevelHttpRequest() {
@Override
public LowLevelHttpResponse execute() throws IOException {
MockLowLevelHttpResponse result = new MockLowLevelHttpResponse();
result.setStatusCode(0);
return result;
}
};
}
};
final HttpRequest request =
transport.createRequestFactory().buildGetRequest(SIMPLE_GENERIC_URL);
HttpResponseException responseException =
assertThrows(
HttpResponseException.class,
new ThrowingRunnable() {
@Override
public void run() throws Throwable {
request.execute();
}
});
assertThat(responseException).hasMessageThat().isEqualTo("GET " + SIMPLE_GENERIC_URL);
}
public void testConstructor_messageButNoStatusCode() throws Exception {
HttpTransport transport =
new MockHttpTransport() {
@Override
public LowLevelHttpRequest buildRequest(String method, String url) throws IOException {
return new MockLowLevelHttpRequest() {
@Override
public LowLevelHttpResponse execute() throws IOException {
MockLowLevelHttpResponse result = new MockLowLevelHttpResponse();
result.setStatusCode(0);
result.setReasonPhrase("Foo");
return result;
}
};
}
};
final HttpRequest request =
transport.createRequestFactory().buildGetRequest(SIMPLE_GENERIC_URL);
HttpResponseException responseException =
assertThrows(
HttpResponseException.class,
new ThrowingRunnable() {
@Override
public void run() throws Throwable {
request.execute();
}
});
assertThat(responseException).hasMessageThat().isEqualTo("Foo\nGET " + SIMPLE_GENERIC_URL);
}
public void testComputeMessage() throws Exception {
HttpTransport transport =
new MockHttpTransport() {
@Override
public LowLevelHttpRequest buildRequest(String method, String url) throws IOException {
return new MockLowLevelHttpRequest() {
@Override
public LowLevelHttpResponse execute() throws IOException {
MockLowLevelHttpResponse result = new MockLowLevelHttpResponse();
result.setReasonPhrase("Foo");
return result;
}
};
}
};
HttpRequest request = transport.createRequestFactory().buildGetRequest(SIMPLE_GENERIC_URL);
HttpResponse response = request.execute();
assertThat(HttpResponseException.computeMessageBuffer(response).toString())
.isEqualTo("200 Foo\nGET " + SIMPLE_GENERIC_URL);
}
public void testThrown() throws Exception {
HttpTransport transport =
new MockHttpTransport() {
@Override
public LowLevelHttpRequest buildRequest(String method, String url) throws IOException {
return new MockLowLevelHttpRequest() {
@Override
public LowLevelHttpResponse execute() throws IOException {
MockLowLevelHttpResponse result = new MockLowLevelHttpResponse();
result.setStatusCode(HttpStatusCodes.STATUS_CODE_NOT_FOUND);
result.setReasonPhrase("Not Found");
result.setContent("Unable to find resource");
return result;
}
};
}
};
final HttpRequest request =
transport.createRequestFactory().buildGetRequest(SIMPLE_GENERIC_URL);
HttpResponseException responseException =
assertThrows(
HttpResponseException.class,
new ThrowingRunnable() {
@Override
public void run() throws Throwable {
request.execute();
}
});
assertThat(responseException)
.hasMessageThat()
.isEqualTo(
"404 Not Found\nGET "
+ SIMPLE_GENERIC_URL
+ LINE_SEPARATOR
+ "Unable to find resource");
// no retries expected
assertEquals(1, responseException.getAttemptCount());
}
public void testInvalidCharset() throws Exception {
HttpTransport transport =
new MockHttpTransport() {
@Override
public LowLevelHttpRequest buildRequest(String method, String url) throws IOException {
return new MockLowLevelHttpRequest() {
@Override
public LowLevelHttpResponse execute() throws IOException {
MockLowLevelHttpResponse result = new MockLowLevelHttpResponse();
result.setStatusCode(HttpStatusCodes.STATUS_CODE_NOT_FOUND);
result.setReasonPhrase("Not Found");
result.setContentType("text/plain; charset=");
result.setContent("Unable to find resource");
return result;
}
};
}
};
final HttpRequest request =
transport.createRequestFactory().buildGetRequest(SIMPLE_GENERIC_URL);
HttpResponseException responseException =
assertThrows(
HttpResponseException.class,
new ThrowingRunnable() {
@Override
public void run() throws Throwable {
request.execute();
}
});
assertThat(responseException)
.hasMessageThat()
.isEqualTo("404 Not Found\nGET " + SIMPLE_GENERIC_URL);
}
public void testAttemptCountWithBackOff() throws Exception {
HttpTransport fakeTransport =
new MockHttpTransport() {
@Override
public LowLevelHttpRequest buildRequest(String method, String url) throws IOException {
return new MockLowLevelHttpRequest() {
@Override
public LowLevelHttpResponse execute() throws IOException {
MockLowLevelHttpResponse result = new MockLowLevelHttpResponse();
result.setStatusCode(HttpStatusCodes.STATUS_CODE_SERVER_ERROR);
result.setReasonPhrase("Error");
result.setContent("Unknown Error");
return result;
}
};
}
};
ExponentialBackOff backoff = new ExponentialBackOff.Builder().build();
final HttpRequest request =
fakeTransport.createRequestFactory().buildGetRequest(new GenericUrl("http://not/used"));
request.setUnsuccessfulResponseHandler(
new HttpBackOffUnsuccessfulResponseHandler(backoff)
.setBackOffRequired(
new HttpBackOffUnsuccessfulResponseHandler.BackOffRequired() {
public boolean isRequired(HttpResponse response) {
return true;
}
}));
request.setNumberOfRetries(1);
HttpResponseException responseException =
assertThrows(
HttpResponseException.class,
new ThrowingRunnable() {
@Override
public void run() throws Throwable {
request.execute();
}
});
Assert.assertEquals(500, responseException.getStatusCode());
// original request and 1 retry - total 2
assertEquals(2, responseException.getAttemptCount());
}
public void testUnsupportedCharset() throws Exception {
HttpTransport transport =
new MockHttpTransport() {
@Override
public LowLevelHttpRequest buildRequest(String method, String url) throws IOException {
return new MockLowLevelHttpRequest() {
@Override
public LowLevelHttpResponse execute() throws IOException {
MockLowLevelHttpResponse result = new MockLowLevelHttpResponse();
result.setStatusCode(HttpStatusCodes.STATUS_CODE_NOT_FOUND);
result.setReasonPhrase("Not Found");
result.setContentType("text/plain; charset=invalid-charset");
result.setContent("Unable to find resource");
return result;
}
};
}
};
final HttpRequest request =
transport.createRequestFactory().buildGetRequest(SIMPLE_GENERIC_URL);
HttpResponseException responseException =
assertThrows(
HttpResponseException.class,
new ThrowingRunnable() {
@Override
public void run() throws Throwable {
request.execute();
}
});
assertThat(responseException)
.hasMessageThat()
.isEqualTo("404 Not Found\nGET " + SIMPLE_GENERIC_URL);
}
public void testSerialization() throws Exception {
HttpTransport transport = new MockHttpTransport();
HttpRequest request = transport.createRequestFactory().buildGetRequest(SIMPLE_GENERIC_URL);
HttpResponse response = request.execute();
HttpResponseException responseException = new HttpResponseException(response);
ByteArrayOutputStream out = new ByteArrayOutputStream();
ObjectOutput s = new ObjectOutputStream(out);
s.writeObject(responseException);
ByteArrayInputStream in = new ByteArrayInputStream(out.toByteArray());
ObjectInputStream objectInput = new ObjectInputStream(in);
HttpResponseException e2 = (HttpResponseException) objectInput.readObject();
assertEquals(responseException.getMessage(), e2.getMessage());
assertEquals(responseException.getStatusCode(), e2.getStatusCode());
assertNull(e2.getHeaders());
}
}