Avoid calling external services in our integration tests

Our integ tests randomly fail when httpbin.org starts rate-limiting us.

Author: rhernandez35

examples/restjson-client/build.gradle.kts

@@ -1,5 +1,6 @@
 plugins {
     `java-library`
+    application
     id("software.amazon.smithy.gradle.smithy-base")
     id("me.champeau.jmh") version "0.7.3"
 }
@@ -17,6 +18,10 @@ dependencies {
     testImplementation(libs.assertj.core)
 }
 
+application {
+    mainClass = "software.amazon.smithy.java.example.ClientExample"
+}
+
 // Add generated Java sources to the main sourceset
 afterEvaluate {
     val clientPath = smithy.getPluginProjectionPath(smithy.sourceProjection.get(), "java-client-codegen")

examples/restjson-client/src/it/java/software/amazon/smithy/java/example/GenericTest.java renamed to examples/restjson-client/src/main/java/software/amazon/smithy/java/example/ClientExample.java

@@ -1,17 +1,5 @@
-/*
- * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
- * SPDX-License-Identifier: Apache-2.0
- */
-
 package software.amazon.smithy.java.example;
 
-import static java.nio.ByteBuffer.wrap;
-
-import java.nio.charset.StandardCharsets;
-import java.time.Instant;
-import java.util.List;
-import java.util.concurrent.ExecutionException;
-import org.junit.jupiter.api.Test;
 import software.amazon.smithy.java.client.core.endpoint.EndpointResolver;
 import software.amazon.smithy.java.client.core.interceptors.ClientInterceptor;
 import software.amazon.smithy.java.client.core.interceptors.RequestHook;
@@ -28,64 +16,75 @@
 import software.amazon.smithy.java.io.datastream.DataStream;
 import software.amazon.smithy.java.json.JsonCodec;
 
-public class GenericTest {
+import java.nio.charset.StandardCharsets;
+import java.time.Instant;
+import java.util.List;
+import java.util.concurrent.ExecutionException;
+
+import static java.nio.ByteBuffer.wrap;
+
+public final class ClientExample {
+    public static void main(String[] args) throws Exception {
+        putPerson();
+        getPersonImage();
+        streamingRequestPayload();
+        testDocument();
+        serde();
+        supportsInterceptors();
+    }
 
-    @Test
-    public void putPerson() throws ExecutionException, InterruptedException {
+    public static void putPerson() throws ExecutionException, InterruptedException {
         // Create a generated client using rest-json and a fixed endpoint.
         var client = PersonDirectoryClient.builder()
-                .endpointResolver(EndpointResolver.staticHost("http://httpbin.org/anything"))
-                .build();
+            .endpointResolver(EndpointResolver.staticHost("http://httpbin.org/anything"))
+            .build();
 
         PutPersonInput input = PutPersonInput.builder()
-                .name("Michael")
-                .age(999)
-                .favoriteColor("Green")
-                .birthday(Instant.now())
-                .build();
+            .name("Michael")
+            .age(999)
+            .favoriteColor("Green")
+            .birthday(Instant.now())
+            .build();
 
         PutPersonOutput output = client.putPerson(input);
         System.out.println("Output: " + output);
     }
 
-    @Test
-    public void getPersonImage() {
+    public static void getPersonImage() {
         PersonDirectoryClient client = PersonDirectoryClient.builder()
-                .endpointResolver(EndpointResolver.staticHost("http://httpbin.org/anything"))
-                .build();
+            .endpointResolver(EndpointResolver.staticHost("http://httpbin.org/anything"))
+            .build();
 
         GetPersonImageInput input = GetPersonImageInput.builder().name("Michael").build();
         GetPersonImageOutput output = client.getPersonImage(input);
         System.out.println("Output: " + output);
     }
 
-    @Test
-    public void streamingRequestPayload() {
+    public static void streamingRequestPayload() {
         PersonDirectoryClient client = PersonDirectoryClient.builder()
-                .endpointResolver(EndpointResolver.staticHost("http://httpbin.org/anything"))
-                .build();
+            .endpointResolver(EndpointResolver.staticHost("http://httpbin.org/anything"))
+            .build();
 
         PutPersonImageInput input = PutPersonImageInput.builder()
-                .name("Michael")
-                .tags(List.of("Foo", "Bar"))
-                .moreTags(List.of("Abc", "one two"))
-                .image(DataStream.ofString("image..."))
-                .build();
+            .name("Michael")
+            .tags(List.of("Foo", "Bar"))
+            .moreTags(List.of("Abc", "one two"))
+            .image(DataStream.ofString("image..."))
+            .build();
         PutPersonImageOutput output = client.putPersonImage(input);
         System.out.println("Output: " + output);
     }
 
-    @Test
-    public void testDocument() {
+    public static void testDocument() {
         Codec codec = JsonCodec.builder().useJsonName(true).useTimestampFormat(true).build();
 
         PutPersonInput input = PutPersonInput.builder()
-                .name("Michael")
-                .age(999)
-                .favoriteColor("Green")
-                .birthday(Instant.now())
-                .binary(wrap("Hello".getBytes(StandardCharsets.UTF_8)))
-                .build();
+            .name("Michael")
+            .age(999)
+            .favoriteColor("Green")
+            .birthday(Instant.now())
+            .binary(wrap("Hello".getBytes(StandardCharsets.UTF_8)))
+            .build();
 
         // Serialize directly to JSON.
         System.out.println(codec.serializeToString(input));
@@ -101,14 +100,13 @@ public void testDocument() {
         System.out.println(codec.serializeToString(inputCopy));
     }
 
-    @Test
-    public void serde() {
+    public static void serde() {
         PutPersonInput input = PutPersonInput.builder()
-                .name("Michael")
-                .age(999)
-                .favoriteColor("Green")
-                .birthday(Instant.now())
-                .build();
+            .name("Michael")
+            .age(999)
+            .favoriteColor("Green")
+            .birthday(Instant.now())
+            .build();
 
         JsonCodec codec = JsonCodec.builder().useJsonName(true).useTimestampFormat(true).build();
 
@@ -122,8 +120,7 @@ public void serde() {
         System.out.println(codec.serializeToString(copy));
     }
 
-    @Test
-    public void supportsInterceptors() throws Exception {
+    public static void supportsInterceptors() throws Exception {
         var interceptor = new ClientInterceptor() {
             @Override
             public void readBeforeTransmit(RequestHook<?, ?, ?> hook) {
@@ -133,15 +130,15 @@ public void readBeforeTransmit(RequestHook<?, ?, ?> hook) {
             @Override
             public <RequestT> RequestT modifyBeforeTransmit(RequestHook<?, ?, RequestT> hook) {
                 return hook.mapRequest(
-                        HttpRequest.class,
-                        h -> h.request().toBuilder().withAddedHeader("X-Foo", "Bar").build());
+                    HttpRequest.class,
+                    h -> h.request().toBuilder().withAddedHeader("X-Foo", "Bar").build());
             }
         };
 
         PersonDirectoryClient client = PersonDirectoryClient.builder()
-                .endpointResolver(EndpointResolver.staticHost("http://httpbin.org/anything"))
-                .addInterceptor(interceptor)
-                .build();
+            .endpointResolver(EndpointResolver.staticHost("http://httpbin.org/anything"))
+            .addInterceptor(interceptor)
+            .build();
 
         GetPersonImageInput input = GetPersonImageInput.builder().name("Michael").build();
         GetPersonImageOutput output = client.getPersonImage(input);