Converter support and updated data source logic (#8990, #8991)

2 files changed, 69 insertions, 0 deletions

diff --git a/tests/server-side/com/vaadin/tests/data/bean/Person.java b/tests/server-side/com/vaadin/tests/data/bean/Person.java
index 2cb3a29368..f7bad31d0e 100644
--- a/tests/server-side/com/vaadin/tests/data/bean/Person.java
+++ b/tests/server-side/com/vaadin/tests/data/bean/Person.java
@@ -130,4 +130,14 @@ public class Person {
         this.birthDate = birthDate;
     }
 
+    public static Person createTestPerson1() {
+        return new Person("Foo", "Bar", "yeah@cool.com", 46, Sex.MALE,
+                new Address("Street", 1123, "Turku", Country.FINLAND));
+    }
+
+    public static Person createTestPerson2() {
+        return new Person("Maya", "Dinkelstein", "maya@foo.bar", 18,
+                Sex.FEMALE, new Address("Red street", 12, "Amsterdam",
+                        Country.NETHERLANDS));
+    }
 }
diff --git a/tests/server-side/com/vaadin/tests/server/component/label/LabelConverters.java b/tests/server-side/com/vaadin/tests/server/component/label/LabelConverters.java
new file mode 100644
index 0000000000..e79bd84741
--- /dev/null
+++ b/tests/server-side/com/vaadin/tests/server/component/label/LabelConverters.java
@@ -0,0 +1,59 @@
+/*
+@VaadinApache2LicenseForJavaFiles@
+ */
+package com.vaadin.tests.server.component.label;
+
+import junit.framework.TestCase;
+
+import com.vaadin.Application;
+import com.vaadin.data.Property;
+import com.vaadin.data.util.MethodProperty;
+import com.vaadin.tests.data.bean.Person;
+import com.vaadin.ui.Label;
+
+public class LabelConverters extends TestCase {
+
+    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());
+    }
+
+    public void testIntegerDataSource() {
+        Application.setCurrentApplication(new Application());
+        Label l = new Label("Foo");
+        Property ds = new MethodProperty<Integer>(Person.createTestPerson1(),
+                "age");
+        l.setPropertyDataSource(ds);
+        assertEquals(String.valueOf(Person.createTestPerson1().getAge()),
+                l.getValue());
+    }
+
+    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) {
+        }
+
+    }
+
+    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());
+    }
+}