test: add test for #33

Author: paodb

src/test/java/com/flowingcode/vaadin/addons/chipfield/integration/AbstractRemoveAndReAddTest.java

@@ -0,0 +1,30 @@
+/*-
+ * #%L
+ * ChipField Addon
+ * %%
+ * Copyright (C) 2018 - 2021 Flowing Code
+ * %%
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * #L%
+ */
+package com.flowingcode.vaadin.addons.chipfield.integration;
+
+import com.flowingcode.vaadin.addons.chipfield.integration.rpc.HasRpcSupport;
+
+public abstract class AbstractRemoveAndReAddTest extends AbstractViewTest implements HasRpcSupport {
+
+  protected AbstractRemoveAndReAddTest() {
+    super("remove-add-test");
+  }
+
+}

src/test/java/com/flowingcode/vaadin/addons/chipfield/integration/RemoveAndReAddTestIT.java

@@ -0,0 +1,52 @@
+/*-
+ * #%L
+ * ChipField Addon
+ * %%
+ * Copyright (C) 2018 - 2021 Flowing Code
+ * %%
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * #L%
+ */
+package com.flowingcode.vaadin.addons.chipfield.integration;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+import org.junit.Test;
+
+import com.vaadin.flow.component.button.testbench.ButtonElement;
+
+/**
+ * Test that shows that removing a chipfield with values from the layout and adding it again doesn't lose the chip values.
+ * 
+ * @see https://github.com/FlowingCode/ChipFieldAddon/issues/33
+ * 
+ */
+public class RemoveAndReAddTestIT extends AbstractRemoveAndReAddTest {
+	
+	@Test
+    public void toggleChipField() {
+        ChipFieldElement chipfield = $(ChipFieldElement.class).id("chipfield");
+        assertTrue(chipfield.isDisplayed());
+        assertEquals(chipfield.getValue().size(), 2);
+        ButtonElement button = $(ButtonElement.class).id("toggle");
+        button.click(); // remove chipfield
+        assertFalse($(ChipFieldElement.class).exists());
+        button.click(); // add chipfield again
+        chipfield = $(ChipFieldElement.class).id("chipfield");
+        assertTrue(chipfield.isDisplayed());
+        assertEquals(chipfield.getValue().size(), 2);        
+    }
+
+}

src/test/java/com/flowingcode/vaadin/addons/chipfield/integration/RemoveAndReAddTestView.java

@@ -0,0 +1,63 @@
+/*-
+ * #%L
+ * ChipField Addon
+ * %%
+ * Copyright (C) 2018 - 2021 Flowing Code
+ * %%
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * #L%
+ */
+package com.flowingcode.vaadin.addons.chipfield.integration;
+
+import java.util.Arrays;
+
+import com.flowingcode.vaadin.addons.chipfield.ChipField;
+import com.vaadin.flow.component.button.Button;
+import com.vaadin.flow.component.html.Div;
+import com.vaadin.flow.router.Route;
+
+/**
+ * Test class for fix for issue https://github.com/FlowingCode/ChipFieldAddon/issues/33
+ * 
+ */
+@Route("remove-add-test")
+public class RemoveAndReAddTestView extends Div {
+	
+	public RemoveAndReAddTestView() {
+		super.getElement().getStyle().set("padding", "5px");
+		
+		setId("remove-add-test");
+		
+		ChipField<String> chf =
+	        new ChipField<>("Planets",  "Mercury", "Venus", "Earth");
+		chf.setId("chipfield");
+	    chf.setWidthFull();
+	    
+	    chf.addSelectedItem("Mercury");
+	    chf.addSelectedItem("Venus");
+	    chf.setValue(Arrays.asList("Mercury", "Venus"));
+	   
+	    Button toggle = new Button("Toggle chipfield", e -> {
+	    	if (getChildren().anyMatch(chf::equals)) {
+	    		remove(chf);
+	    	} else {
+	    		add(chf);
+	    	}
+	    });	    
+	    
+	    toggle.setId("toggle");
+	    
+	    add(toggle, chf);		
+	}
+	
+}