Fix declarative support for CustomLayout (#17210)

CustomLayout now has a public default constructor. If a template is not set
using one of the setters, a warning message is displayed like in the case where
the template file is specified but not found.

Change-Id: I5d56f24fafc5c82e6ab76dec393a0c25bd78aae5

2 files changed, 87 insertions, 0 deletions

diff --git a/uitest/src/com/vaadin/tests/components/customlayout/CustomLayoutWithNullTemplate.java b/uitest/src/com/vaadin/tests/components/customlayout/CustomLayoutWithNullTemplate.java
new file mode 100644
index 0000000000..de1caf86df
--- /dev/null
+++ b/uitest/src/com/vaadin/tests/components/customlayout/CustomLayoutWithNullTemplate.java
@@ -0,0 +1,44 @@
+/*
+ * Copyright 2000-2014 Vaadin Ltd.
+ * 
+ * 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.
+ */
+package com.vaadin.tests.components.customlayout;
+
+import com.vaadin.server.VaadinRequest;
+import com.vaadin.tests.components.AbstractTestUI;
+import com.vaadin.ui.Button;
+import com.vaadin.ui.CustomLayout;
+import com.vaadin.ui.Label;
+
+public class CustomLayoutWithNullTemplate extends AbstractTestUI {
+
+    @Override
+    protected void setup(VaadinRequest request) {
+        CustomLayout cl = new CustomLayout();
+        cl.addComponent(new Label("This Label should be visible."), "foo");
+        cl.addComponent(new Button("This Button too."), "bar");
+
+        addComponent(cl);
+    }
+
+    @Override
+    protected String getTestDescription() {
+        return "Verify that a default-constructed CustomLayout renders child components";
+    }
+
+    @Override
+    protected Integer getTicketNumber() {
+        return 17210;
+    }
+}
diff --git a/uitest/src/com/vaadin/tests/components/customlayout/CustomLayoutWithNullTemplateTest.java b/uitest/src/com/vaadin/tests/components/customlayout/CustomLayoutWithNullTemplateTest.java
new file mode 100644
index 0000000000..668d43f18f
--- /dev/null
+++ b/uitest/src/com/vaadin/tests/components/customlayout/CustomLayoutWithNullTemplateTest.java
@@ -0,0 +1,43 @@
+/*
+ * Copyright 2000-2014 Vaadin Ltd.
+ * 
+ * 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.
+ */
+package com.vaadin.tests.components.customlayout;
+
+import static org.junit.Assert.assertTrue;
+
+import org.junit.Test;
+
+import com.vaadin.testbench.ElementQuery;
+import com.vaadin.testbench.elements.ButtonElement;
+import com.vaadin.testbench.elements.CustomLayoutElement;
+import com.vaadin.testbench.elements.LabelElement;
+import com.vaadin.tests.tb3.SingleBrowserTest;
+
+public class CustomLayoutWithNullTemplateTest extends SingleBrowserTest {
+
+    @Test
+    public void testChildComponents() {
+        openTestURL();
+
+        ElementQuery<CustomLayoutElement> customLayout = $(CustomLayoutElement.class);
+
+        // Verify the Button and Label are rendered inside the CustomLayout.
+        assertTrue("Button was not rendered.",
+                customLayout.$(ButtonElement.class).exists());
+        assertTrue("Label was not rendered.", customLayout
+                .$(LabelElement.class).exists());
+    }
+
+}