Implement new Label

Label does intentionally not implement HasValue as it
cannot provide a value to a model

Change-Id: I36b8e1794d64caf566fa802177051ae2eb637bf9

3 files changed, 308 insertions, 0 deletions

diff --git a/compatibility-server/src/test/java/com/vaadin/tests/server/component/label/LabelConvertersTest.java b/compatibility-server/src/test/java/com/vaadin/tests/server/component/label/LabelConvertersTest.java
new file mode 100644
index 0000000000..22f45c6bc6
--- /dev/null
+++ b/compatibility-server/src/test/java/com/vaadin/tests/server/component/label/LabelConvertersTest.java
@@ -0,0 +1,87 @@
+/*
+ * 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.tests.server.component.label;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertNull;
+import static org.junit.Assert.fail;
+
+import org.junit.Before;
+import org.junit.Test;
+
+import com.vaadin.server.VaadinSession;
+import com.vaadin.tests.data.bean.Person;
+import com.vaadin.tests.util.AlwaysLockedVaadinSession;
+import com.vaadin.util.CurrentInstance;
+import com.vaadin.v7.data.Property;
+import com.vaadin.v7.data.util.MethodProperty;
+import com.vaadin.v7.ui.Label;
+
+public class LabelConvertersTest {
+    @Before
+    public void clearExistingThreadLocals() {
+        // Ensure no previous test left some thread locals hanging
+        CurrentInstance.clearAll();
+    }
+
+    @Test
+    public void testLabelSetDataSourceLaterOn() {
+        Person p = Person.createTestPerson1();
+        Label l = new Label("My label");
+        assertEquals("My label", l.getValue());
+        assertNull(l.getConverter());
+        l.setPropertyDataSource(new MethodProperty<String>(p, "firstName"));
+        assertEquals(p.getFirstName(), l.getValue());
+        p.setFirstName("123");
+        assertEquals("123", l.getValue());
+    }
+
+    @Test
+    public void testIntegerDataSource() {
+        VaadinSession.setCurrent(new AlwaysLockedVaadinSession(null));
+        Label l = new Label("Foo");
+        Property ds = new MethodProperty<Integer>(Person.createTestPerson1(),
+                "age");
+        l.setPropertyDataSource(ds);
+        assertEquals(String.valueOf(Person.createTestPerson1().getAge()),
+                l.getValue());
+    }
+
+    @Test
+    public void testSetValueWithDataSource() {
+        try {
+            MethodProperty<String> property = new MethodProperty<String>(
+                    Person.createTestPerson1(), "firstName");
+            Label l = new Label(property);
+            l.setValue("Foo");
+            fail("setValue should throw an exception when a data source is set");
+        } catch (Exception e) {
+        }
+
+    }
+
+    @Test
+    public void testLabelWithoutDataSource() {
+        Label l = new Label("My label");
+        assertEquals("My label", l.getValue());
+        assertNull(l.getConverter());
+        assertNull(l.getPropertyDataSource());
+        l.setValue("New value");
+        assertEquals("New value", l.getValue());
+        assertNull(l.getConverter());
+        assertNull(l.getPropertyDataSource());
+    }
+}
diff --git a/compatibility-server/src/test/java/com/vaadin/tests/server/component/label/LabelListenersTest.java b/compatibility-server/src/test/java/com/vaadin/tests/server/component/label/LabelListenersTest.java
new file mode 100644
index 0000000000..7c19c9c968
--- /dev/null
+++ b/compatibility-server/src/test/java/com/vaadin/tests/server/component/label/LabelListenersTest.java
@@ -0,0 +1,103 @@
+package com.vaadin.tests.server.component.label;
+
+import static org.easymock.EasyMock.anyObject;
+import static org.easymock.EasyMock.createStrictMock;
+import static org.easymock.EasyMock.expect;
+import static org.easymock.EasyMock.replay;
+import static org.easymock.EasyMock.verify;
+
+import org.easymock.EasyMock;
+import org.junit.Test;
+
+import com.vaadin.tests.server.component.AbstractListenerMethodsTestBase;
+import com.vaadin.v7.data.Property;
+import com.vaadin.v7.data.Property.ValueChangeListener;
+import com.vaadin.v7.ui.Label;
+import com.vaadin.v7.ui.Label.ValueChangeEvent;
+
+public class LabelListenersTest extends AbstractListenerMethodsTestBase {
+
+    @Test
+    public void testValueChangeListenerAddGetRemove() throws Exception {
+        testListenerAddGetRemove(Label.class, ValueChangeEvent.class,
+                ValueChangeListener.class);
+    }
+
+    @Test
+    public void testValueChangeFiredWhenSettingValue() {
+        Label underTest = new Label();
+
+        // setup the mock listener
+        ValueChangeListener mockListener = createStrictMock(
+                ValueChangeListener.class);
+        // record
+        mockListener.valueChange(
+                anyObject(com.vaadin.v7.data.Property.ValueChangeEvent.class));
+
+        // test
+        underTest.addValueChangeListener(mockListener);
+
+        replay(mockListener);
+        underTest.setValue("A new value");
+
+        verify(mockListener);
+
+    }
+
+    @Test
+    public void testValueChangeFiredWhenSettingPropertyDataSource() {
+        // setup
+        Label underTest = new Label();
+
+        Property mockProperty = EasyMock.createMock(Property.class);
+
+        ValueChangeListener mockListener = createStrictMock(
+                ValueChangeListener.class);
+        // record
+        mockListener.valueChange(
+                anyObject(com.vaadin.v7.data.Property.ValueChangeEvent.class));
+
+        expect(mockProperty.getType()).andReturn(String.class).atLeastOnce();
+        expect(mockProperty.getValue()).andReturn("Any").atLeastOnce();
+
+        // test
+
+        replay(mockListener, mockProperty);
+        underTest.addValueChangeListener(mockListener);
+        underTest.setPropertyDataSource(mockProperty);
+
+        verify(mockListener);
+
+    }
+
+    @Test
+    public void testValueChangeNotFiredWhenNotSettingValue() {
+        Label underTest = new Label();
+        // setup the mock listener
+        ValueChangeListener mockListener = createStrictMock(
+                ValueChangeListener.class);
+        // record: nothing to record
+
+        // test
+        underTest.addValueChangeListener(mockListener);
+        replay(mockListener);
+        verify(mockListener);
+    }
+
+    @Test
+    public void testNoValueChangeFiredWhenSettingPropertyDataSourceToNull() {
+        Label underTest = new Label();
+        // setup the mock Listener
+        ValueChangeListener mockListener = createStrictMock(
+                ValueChangeListener.class);
+        // record: nothing to record
+
+        // test
+        underTest.addValueChangeListener(mockListener);
+        underTest.setPropertyDataSource(null);
+
+        replay(mockListener);
+        verify(mockListener);
+    }
+
+}
diff --git a/compatibility-server/src/test/java/com/vaadin/v7/ui/LabelDataSourceTest.java b/compatibility-server/src/test/java/com/vaadin/v7/ui/LabelDataSourceTest.java
new file mode 100644
index 0000000000..42d0d72867
--- /dev/null
+++ b/compatibility-server/src/test/java/com/vaadin/v7/ui/LabelDataSourceTest.java
@@ -0,0 +1,118 @@
+/*
+ * 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.v7.ui;
+
+import java.util.Locale;
+
+import org.junit.Assert;
+import org.junit.Before;
+import org.junit.Test;
+
+import com.vaadin.server.VaadinSession;
+import com.vaadin.tests.util.AlwaysLockedVaadinSession;
+import com.vaadin.tests.util.MockUI;
+import com.vaadin.ui.UI;
+import com.vaadin.v7.data.util.ObjectProperty;
+
+public class LabelDataSourceTest {
+
+    Label label;
+    private static final String STRING_DS_VALUE = "String DatA source";
+    private static final int INTEGER_DS_VALUE = 1587;
+    private static final String INTEGER_STRING_VALUE_FI = "1 587";
+    private static final String INTEGER_STRING_VALUE_EN_US = "1,587";
+    private static final Object INTEGER_STRING_VALUE_DE = "1.587";
+    ObjectProperty<String> stringDataSource;
+    private ObjectProperty<Integer> integerDataSource;
+    VaadinSession vaadinSession;
+
+    @Before
+    public void setup() {
+        vaadinSession = new AlwaysLockedVaadinSession(null);
+        VaadinSession.setCurrent(vaadinSession);
+
+        label = new Label();
+        stringDataSource = new ObjectProperty<String>(STRING_DS_VALUE);
+        integerDataSource = new ObjectProperty<Integer>(INTEGER_DS_VALUE);
+    }
+
+    @Test
+    public void stringDataSource() {
+        label.setPropertyDataSource(stringDataSource);
+        Assert.assertEquals(STRING_DS_VALUE, label.getState().text);
+        Assert.assertEquals(STRING_DS_VALUE, label.getValue());
+        Assert.assertEquals(stringDataSource, label.getPropertyDataSource());
+        label.setPropertyDataSource(null);
+        Assert.assertEquals(STRING_DS_VALUE, label.getState().text);
+        Assert.assertEquals(STRING_DS_VALUE, label.getValue());
+        Assert.assertEquals(null, label.getPropertyDataSource());
+        label.setValue("foo");
+        Assert.assertEquals("foo", label.getState().text);
+        Assert.assertEquals("foo", label.getValue());
+        Assert.assertNull(label.getPropertyDataSource());
+
+    }
+
+    @Test
+    public void integerDataSourceFi() {
+        label.setLocale(new Locale("fi", "FI"));
+        label.setPropertyDataSource(integerDataSource);
+        Assert.assertEquals(INTEGER_STRING_VALUE_FI, label.getState().text);
+        Assert.assertEquals(INTEGER_STRING_VALUE_FI, label.getValue());
+        Assert.assertEquals(integerDataSource, label.getPropertyDataSource());
+    }
+
+    @Test
+    public void integerDataSourceEn() {
+        label.setLocale(new Locale("en", "US"));
+        label.setPropertyDataSource(integerDataSource);
+        Assert.assertEquals(INTEGER_STRING_VALUE_EN_US, label.getState().text);
+        Assert.assertEquals(INTEGER_STRING_VALUE_EN_US, label.getValue());
+        Assert.assertEquals(integerDataSource, label.getPropertyDataSource());
+    }
+
+    @Test
+    public void changeLocaleAfterDataSource() {
+        label.setLocale(new Locale("en", "US"));
+        label.setPropertyDataSource(integerDataSource);
+        label.setLocale(new Locale("fi", "FI"));
+        Assert.assertEquals(INTEGER_STRING_VALUE_FI, label.getState().text);
+        Assert.assertEquals(INTEGER_STRING_VALUE_FI, label.getValue());
+        Assert.assertEquals(integerDataSource, label.getPropertyDataSource());
+    }
+
+    @Test
+    public void setRemoveDataSource() {
+        label.setValue("before");
+        label.setPropertyDataSource(stringDataSource);
+        Assert.assertEquals(STRING_DS_VALUE, label.getValue());
+        label.setPropertyDataSource(null);
+        Assert.assertEquals(STRING_DS_VALUE, label.getValue());
+        label.setValue("after");
+        Assert.assertEquals("after", label.getValue());
+    }
+
+    @Test
+    public void attachToSessionWithDifferentLocale() {
+        label.setValue("before");
+        // label.setLocale(Locale.GERMANY);
+        label.setPropertyDataSource(integerDataSource);
+        UI ui = new MockUI();
+        ui.setLocale(Locale.GERMANY);
+        ui.setContent(label);
+        Assert.assertEquals(INTEGER_STRING_VALUE_DE, label.getState().text);
+    }
+}