Add tests for process runner output listening

Add test for JSON array as objects

core/src/test/java/foundation/stack/datamill/ProcessRunnerTest.java

@@ -67,6 +67,16 @@ public void runProcess_PerformsAsExpected_OnSuccessfulCommandExecution() throws
         }
     }
 
+    @Test
+    public void runProcess_NotifiesListenerOfOutput() throws IOException {
+        String[] command = new String[] {"java", "-version"};
+        StringBuilder output = new StringBuilder();
+        ProcessOutputListener listener = (message, error) -> output.append(message);
+        ProcessRunner.ExecutionResult executionResult = ProcessRunner.run(command).outputListener(listener).runAndWait();
+        assertEquals(executionResult.getExitCode(), 0);
+        assertTrue(output.toString().startsWith("java version "));
+    }
+
     private static boolean runningOnWindows() {
         return System.getProperty("os.name", "generic").toLowerCase(Locale.ENGLISH).contains("win");
     }

core/src/test/java/foundation/stack/datamill/http/impl/ClientToServerChannelHandlerTest.java

@@ -142,7 +142,7 @@ public void singleChunkResponseSent() throws Exception {
     }
 
     @Test
-    public void multipeResponseChunksSent() throws Exception {
+    public void multipleResponseChunksSent() throws Exception {
         ExecutorService service = Executors.newSingleThreadExecutor();
         ClientToServerChannelHandler handler = new ClientToServerChannelHandler(service, route, null);
 

core/src/test/java/foundation/stack/datamill/json/JsonArrayTest.java

@@ -0,0 +1,19 @@
+package foundation.stack.datamill.json;
+
+import org.junit.Test;
+
+import java.util.List;
+
+import static org.junit.Assert.assertEquals;
+
+/**
+ * @author Ravi Chodavarapu (rchodava@gmail.com)
+ */
+public class JsonArrayTest {
+    @Test
+    public void asObjectsTest() throws Exception {
+        List<JsonObject> objects = new JsonArray("[{\"key\": \"value\"}, {\"key\":\"value\"}]").asJsonObjects();
+        assertEquals(2, objects.size());
+        assertEquals("value", objects.get(0).get("key").asString());
+    }
+}