[ESQUE-19] Added rudimentary FX test

pom.xml

@@ -88,6 +88,14 @@
             <version>1.1</version>
             <scope>test</scope>
         </dependency>
+        <!-- https://mvnrepository.com/artifact/org.testfx/testfx-junit -->
+        <dependency>
+            <groupId>org.testfx</groupId>
+            <artifactId>testfx-junit</artifactId>
+            <version>4.0.15-alpha</version>
+            <scope>test</scope>
+        </dependency>
+
 
     </dependencies>
 

src/test/java/at/esque/kafka/dialog/TraceInputDialogTest.java

@@ -0,0 +1,38 @@
+package at.esque.kafka.dialog;
+
+import at.esque.kafka.dialogs.TraceInputDialog;
+import javafx.scene.control.Button;
+import javafx.scene.layout.StackPane;
+import javafx.stage.Stage;
+import org.junit.Before;
+import org.junit.Test;
+import org.testfx.api.FxToolkit;
+import org.testfx.framework.junit.ApplicationTest;
+
+import java.util.concurrent.TimeoutException;
+
+import static org.testfx.assertions.api.Assertions.assertThat;
+
+public class TraceInputDialogTest extends ApplicationTest {
+
+    @Before
+    public void setup() throws TimeoutException {
+        FxToolkit.setupSceneRoot(() -> {
+            Button openDialogButton = new Button("Open Dialog");
+            openDialogButton.setId("openDialog");
+            openDialogButton.setOnAction(event -> {
+                TraceInputDialog.show(true, false);
+            });
+            StackPane root = new StackPane(openDialogButton);
+            root.setPrefSize(800, 500);
+            return new StackPane(root);
+        });
+        FxToolkit.setupStage(Stage::show);
+    }
+
+    @Test
+    public void shouldContainFastTraceForNonAvroKey(){
+        clickOn("#openDialog");
+        assertThat(targetWindow("Trace Key").lookup(".label").nth(2).queryLabeled().getText()).contains("fast trace");
+    }
+}