Add convenience constructors for TextField (#597) (#8341)

Add convenience constructors for TextField (#597)

Added TextField convenience constructors similar to the 
ones found in Vaadin framework 7

1 files changed, 70 insertions, 0 deletions

diff --git a/server/src/test/java/com/vaadin/ui/TextFieldConstructorTest.java b/server/src/test/java/com/vaadin/ui/TextFieldConstructorTest.java
new file mode 100644
index 0000000000..3bcb457fec
--- /dev/null
+++ b/server/src/test/java/com/vaadin/ui/TextFieldConstructorTest.java
@@ -0,0 +1,70 @@
+/*
+ * 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 TextFieldConstructorTest {
+
+    @Test
+    public void initiallyEmpty() {
+        TextField textField = new TextField();
+        Assert.assertTrue(textField.isEmpty());
+    }
+
+    @Test
+    public void testValueConstructor_emptyAfterClear() {
+        TextField textField = new TextField(null, "foobar");
+        Assert.assertFalse(textField.isEmpty());
+
+        textField.clear();
+        Assert.assertTrue(textField.isEmpty());
+    }
+
+    @Test
+    public void testValueChangeListener_eventOnValueChange() {
+        HasValue.ValueChangeListener valueChangeListener = Mockito
+                .mock(HasValue.ValueChangeListener.class);
+        TextField textField = new TextField(valueChangeListener);
+
+        textField.setValue("value change");
+
+        verify(valueChangeListener)
+                .valueChange(Mockito.any(HasValue.ValueChangeEvent.class));
+    }
+
+    @Test
+    public void testCaptionValueListener() {
+        HasValue.ValueChangeListener valueChangeListener = Mockito
+                .mock(HasValue.ValueChangeListener.class);
+        TextField textField = new TextField("Caption", "Initial value",
+                valueChangeListener);
+
+        verify(valueChangeListener, never())
+                .valueChange(Mockito.any(HasValue.ValueChangeEvent.class));
+
+        textField.setValue("value change");
+
+        verify(valueChangeListener)
+                .valueChange(Mockito.any(HasValue.ValueChangeEvent.class));
+    }
+}