Add convenience constructors to new components (#598) (#8351)

Add convenience constructors (#598)

Added convenience constructors to ui components that have
been reimplemented for Vaadin 8

1 files changed, 72 insertions, 0 deletions

diff --git a/server/src/test/java/com/vaadin/ui/TextAreaConstructorTest.java b/server/src/test/java/com/vaadin/ui/TextAreaConstructorTest.java
new file mode 100644
index 0000000000..c090d86efe
--- /dev/null
+++ b/server/src/test/java/com/vaadin/ui/TextAreaConstructorTest.java
@@ -0,0 +1,72 @@
+/*
+ * Copyright 2000-2016 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.ui;
+
+import org.junit.Assert;
+import org.junit.Test;
+import org.mockito.Mockito;
+
+import com.vaadin.data.HasValue;
+import static org.mockito.Mockito.never;
+import static org.mockito.Mockito.verify;
+
+public class TextAreaConstructorTest {
+
+    @Test
+    public void initiallyEmpty() {
+        TextArea textArea = new TextArea();
+        Assert.assertTrue(textArea.isEmpty());
+    }
+
+    @Test
+    public void testValueConstructor_emptyAfterClear() {
+        TextArea textArea = new TextArea(null, "foobar");
+        Assert.assertFalse(textArea.isEmpty());
+
+        textArea.clear();
+        Assert.assertTrue(textArea.isEmpty());
+    }
+
+    @Test
+    public void testValueChangeListener_eventOnValueChange() {
+        HasValue.ValueChangeListener valueChangeListener = Mockito
+                .mock(HasValue.ValueChangeListener.class);
+        TextArea textArea = new TextArea(valueChangeListener);
+
+        textArea.setValue("value change");
+
+        verify(valueChangeListener)
+                .valueChange(Mockito.any(HasValue.ValueChangeEvent.class));
+
+    }
+
+    @Test
+    public void testCaptionValueListener() {
+        HasValue.ValueChangeListener valueChangeListener = Mockito
+                .mock(HasValue.ValueChangeListener.class);
+        TextArea textArea = new TextArea("Caption", "Initial value",
+                valueChangeListener);
+
+        verify(valueChangeListener, never())
+                .valueChange(Mockito.any(HasValue.ValueChangeEvent.class));
+
+        textArea.setValue("value change");
+
+        verify(valueChangeListener)
+                .valueChange(Mockito.any(HasValue.ValueChangeEvent.class));
+
+    }
+}