Add Unit test for PR

#3412

Author: katysaintin

app/display/runtime/src/test/java/org/csstudio/display/builder/runtime/test/WidgetRuntimeTest.java

@@ -0,0 +1,77 @@
+package org.csstudio.display.builder.runtime.test;
+
+import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.fail;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import org.csstudio.display.actions.WritePVAction;
+import org.csstudio.display.builder.model.properties.ActionInfos;
+import org.csstudio.display.builder.model.properties.CommonWidgetProperties;
+import org.csstudio.display.builder.model.spi.ActionInfo;
+import org.csstudio.display.builder.model.widgets.ActionButtonWidget;
+import org.csstudio.display.builder.runtime.WidgetRuntime;
+import org.csstudio.display.builder.runtime.pv.RuntimePV;
+import org.csstudio.display.builder.runtime.script.PVUtil;
+import org.junit.jupiter.api.Test;
+import org.phoebus.pv.PVPool;
+import org.phoebus.pv.loc.LocalPVFactory;
+
+public class WidgetRuntimeTest {
+
+    @Test
+    public void testWriteAction()
+    {
+       //Test for Write action on default pv different from ca see PR
+       //https://github.com/ControlSystemStudio/phoebus/pull/3412
+       //Force default data source to loc://
+       PVPool.default_type = LocalPVFactory.TYPE;
+       String pv_name = "my_pv";
+       try {
+           RuntimePV pv = PVUtil.createPV(pv_name, 0);
+           //First init value
+           double initValue = 10;
+           //VDouble val = VDouble.of(initValue, Alarm.none(), org.epics.vtype.Time.now(), org.epics.vtype.Display.none());
+           pv.write(initValue);
+           //PVUtil.writePV(pv_name, initValue, 0);
+           double readValue = PVUtil.getDouble(pv);
+           //Test in standard way
+           assertTrue("Write succeed", readValue == initValue);
+           
+           //Test with WidgetRuntime (write Action)
+           ActionButtonWidget widget = new ActionButtonWidget();
+           widget.setPropertyValue(CommonWidgetProperties.propPVName.getName(), pv_name);
+           //Add write action
+           //Write new value
+           double newValue = 20;
+           
+           List<ActionInfo> actionList = new ArrayList<ActionInfo>();
+           ActionInfo writeAction = new WritePVAction("Write value", pv_name, String.valueOf(newValue));
+           actionList.add(writeAction);
+           ActionInfos actInfos = new ActionInfos(actionList, true);
+           widget.setPropertyValue(CommonWidgetProperties.propActions.getName(), actInfos);
+           
+           //Create Widget Runtime
+           WidgetRuntime<ActionButtonWidget> ofWidget = new WidgetRuntime<ActionButtonWidget>();
+           ofWidget.initialize(widget);
+           ofWidget.addPV(pv, true);
+           ofWidget.start();
+         
+           ofWidget.writePV(pv_name, newValue);
+           
+           //Test the new value
+           readValue = PVUtil.getDouble(pv);
+           //Test if the new value is ok
+           assertTrue("Write succeed", readValue == newValue);
+       } catch (Exception e) {
+           e.printStackTrace();
+           fail(e);
+       }
+       
+      
+      
+       
+    }
+    
+}