Add functional tests

Author: RanVaknin

services/s3/src/test/java/software/amazon/awssdk/services/s3/functionaltests/HeadOperationsThrottlingTest.java

@@ -0,0 +1,86 @@
+/*
+ * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License").
+ * You may not use this file except in compliance with the License.
+ * A copy of the License is located at
+ *
+ *  http://aws.amazon.com/apache2.0
+ *
+ * or in the "license" file accompanying this file. This file 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 software.amazon.awssdk.services.s3.functionaltests;
+
+import static com.github.tomakehurst.wiremock.client.WireMock.aResponse;
+import static com.github.tomakehurst.wiremock.client.WireMock.anyUrl;
+import static com.github.tomakehurst.wiremock.client.WireMock.head;
+import static com.github.tomakehurst.wiremock.client.WireMock.stubFor;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+
+import com.github.tomakehurst.wiremock.junit.WireMockRule;
+import java.net.URI;
+import org.junit.Before;
+import org.junit.Rule;
+import org.junit.Test;
+import software.amazon.awssdk.auth.credentials.AwsBasicCredentials;
+import software.amazon.awssdk.regions.Region;
+import software.amazon.awssdk.services.s3.S3Client;
+import software.amazon.awssdk.services.s3.model.S3Exception;
+
+public class HeadOperationsThrottlingTest {
+
+    @Rule
+    public WireMockRule mockServer = new WireMockRule(0);
+
+    private S3Client client;
+
+    @Before
+    public void setup() {
+        client = S3Client.builder()
+                         .endpointOverride(URI.create("http://localhost:" + mockServer.port()))
+                         .credentialsProvider(() -> AwsBasicCredentials.create("test", "test"))
+                         .forcePathStyle(true)
+                         .region(Region.US_EAST_1)
+                         .build();
+    }
+
+    @Test
+    public void headObject503SlowDown_shouldBeThrottlingException() {
+        stubFor(head(anyUrl()).willReturn(aResponse().withStatus(503).withStatusMessage("Slow Down")));
+
+        assertThatThrownBy(() -> client.headObject(r -> r.bucket("bucket").key("key")))
+            .isInstanceOfSatisfying(S3Exception.class, e -> {
+                assert e.statusCode() == 503;
+                assert e.isThrottlingException();
+                assert "SlowDown".equals(e.awsErrorDetails().errorCode());
+            });
+    }
+
+    @Test
+    public void headBucket503SlowDown_shouldBeThrottlingException() {
+        stubFor(head(anyUrl()).willReturn(aResponse().withStatus(503).withStatusMessage("Slow Down")));
+
+        assertThatThrownBy(() -> client.headBucket(r -> r.bucket("bucket")))
+            .isInstanceOfSatisfying(S3Exception.class, e -> {
+                assert e.statusCode() == 503;
+                assert e.isThrottlingException();
+                assert "SlowDown".equals(e.awsErrorDetails().errorCode());
+            });
+    }
+
+    @Test
+    public void headObject503OtherException_shouldNotBeThrottlingException() {
+        stubFor(head(anyUrl()).willReturn(aResponse().withStatus(503).withStatusMessage("Service Unavailable")));
+
+        assertThatThrownBy(() -> client.headObject(r -> r.bucket("bucket").key("key")))
+            .isInstanceOfSatisfying(S3Exception.class, e -> {
+                assert e.statusCode() == 503;
+                assert !e.isThrottlingException();
+                assert e.awsErrorDetails().errorCode() == null;
+            });
+    }
+}