Add patch method

Author: Sergi Castellsagué

pom.xml

@@ -4,7 +4,7 @@
 
     <groupId>com.github.stuartapp</groupId>
     <artifactId>stuart-client-java</artifactId>
-    <version>1.0.1-SNAPSHOT</version>
+    <version>1.0.2</version>
 
     <name>Stuart API Java client</name>
     <description>Java library to interact with the Stuart API.</description>

src/main/java/com/stuart/stuartclientjava/infrastructure/HttpClient.java

@@ -37,6 +37,17 @@ public ApiResponse performPost(String resource, String body) throws IOException
         return new ApiResponse(response.code(), response.body().string());
     }
 
+    public ApiResponse performPatch(String resource, String body) throws IOException {
+        Request request = new Request.Builder()
+                .url(getFullUrl(resource))
+                .headers(Headers.of(getDefaultHeaders()))
+                .patch(RequestBody.create(MediaType.parse("application/json; charset=utf-8"), body))
+                .build();
+
+        Response response = client.newCall(request).execute();
+        return new ApiResponse(response.code(), response.body().string());
+    }
+
     private Map<String, String> getDefaultHeaders() {
         Map<String, String> result = new HashMap<String, String>();
         result.put("Authorization", String.format("Bearer %s", authenticator.getAccessToken()));

src/test/java/com/stuart/stuartclientjava.infrastructure/HttpClientTest.java

@@ -69,6 +69,28 @@ void shouldSendPostRequestWithCorrectParameters() throws IOException {
         assertThat(sink.readUtf8()).isEqualTo("{'some': 'body'}");
     }
 
+    @Test
+    void shouldSendPatchRequestWithCorrectParameters() throws IOException {
+        // when
+        this.httpClient.performPatch("/sample-endpoint", "{'some': 'body'}");
+        Request request = this.okHttpClient.getRequest();
+
+        // then
+        assertThat(request.url().toString()).isEqualTo("https://sandbox-api.stuart.com/sample-endpoint");
+        assertThat(request.method()).isEqualTo("PATCH");
+        assertThat(request.headers()).isEqualTo(
+                Headers.of(
+                        "Authorization", "Bearer token",
+                        "User-Agent", String.format("stuart-client-java/%s", new Version().getCurrent()),
+                        "Content-Type", "application/json"
+                )
+        );
+
+        Buffer sink = new Buffer();
+        request.body().writeTo(sink);
+        assertThat(sink.readUtf8()).isEqualTo("{'some': 'body'}");
+    }
+
     private class HttpClientMock extends HttpClient {
 
         public HttpClientMock(Authenticator authenticator, OkHttpClient client) {