Add integration test for GrafeasTransport with link submission

src/test/java/io/jenkins/plugins/intotorecorder/transport/GrafeasTransportTestIT.java

@@ -0,0 +1,84 @@
+
+
+package io.jenkins.plugins.intotorecorder.transport;
+
+import org.junit.Before;
+import org.junit.Test;
+import static org.junit.Assert.assertTrue;
+
+import io.github.intoto.legacy.keys.RSAKey;
+import io.github.intoto.legacy.models.Link;
+
+import com.google.gson.Gson;
+import com.google.gson.GsonBuilder;
+
+import org.apache.http.client.HttpClient;
+import org.apache.http.client.ResponseHandler;
+import org.apache.http.client.methods.HttpGet;
+import org.apache.http.impl.client.DefaultHttpClient;
+import org.apache.http.HttpResponse;
+
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.io.Reader;
+import java.net.URI;
+
+public class GrafeasTransportTestIT {
+
+    private final String keyFilepath = "src/test/resources/keys/somekey.pem";
+
+    private GrafeasTransport transport;
+    private RSAKey key;
+    private URI uri;
+
+    @Before
+    public void setUp() throws Exception {
+        String grafeasServerUrl = System.getenv("GRAFEAS_SERVER_URL");
+        String noteName = "projects/my-project/notes/my-note";
+        String resourceUri = "https://example.com/resource-uri";
+        this.uri = new URI(grafeasServerUrl + "?noteName=" + noteName + "&resourceUri=" + resourceUri);
+        this.transport = new GrafeasTransport(uri);
+        this.key = RSAKey.read(keyFilepath);
+    }
+
+    @Test
+    public void testGrafeasStorage() throws Exception {
+
+        Link link = new Link(null, null, "step", null, null, null);
+        link.sign(this.key);
+
+        /* submit the link to the Grafeas server */
+        this.transport.submit(link);
+
+        /* To make sure we got the right thing, we'll get the occurrence
+         * information as a string and compare it with our local copy.
+         * Modulo any encoding weirdness, they should match exactly as we sent it 
+         */
+        HttpClient client = new DefaultHttpClient();
+        HttpGet get = new HttpGet(this.uri.toString().split("\\?")[0] + "/occurrences");
+
+        ResponseHandler<Response> handler = new ResponseHandler<Response>() {
+            @Override
+            public Response handleResponse(final HttpResponse response) throws IOException {
+                if (response.getStatusLine().getStatusCode() >= 300) {
+                    throw new IOException("Server responded with failing status code");
+                }
+                if (response.getEntity() == null) {
+                    throw new IOException("Server's response was invalid");
+                }
+
+                Gson gson = new GsonBuilder().create();
+                Reader r = new InputStreamReader(response.getEntity().getContent());
+                return gson.fromJson(r, Response.class);
+            }
+        };
+
+        Response response = client.execute(get, handler);
+        assertTrue(response.success);
+    }
+
+    class Response {
+        boolean success;
+        String error;
+    }
+}