Examples with TestTextField com.vaadin.flow.data.binder.testcomponents.TestTextField used on opensource projects

Example 26 with TestTextField

use of com.vaadin.flow.data.binder.testcomponents.TestTextField in project flow by vaadin.

the class BinderTest method binding_with_default_null_representation.

@Test
public void binding_with_default_null_representation() {
    TestTextField nullTextField = new TestTextField() {

        @Override
        public String getEmptyValue() {
            return "null";
        }
    };
    Person namelessPerson = new Person(null, "Doe", "", 25, Sex.UNKNOWN, null);
    binder.bind(nullTextField, Person::getFirstName, Person::setFirstName);
    binder.setBean(namelessPerson);
    assertTrue(nullTextField.isEmpty());
    Assert.assertEquals(null, namelessPerson.getFirstName());
    // Change value, see that textfield is not empty and bean is updated.
    nullTextField.setValue("");
    assertFalse(nullTextField.isEmpty());
    Assert.assertEquals("First name of person was not properly updated", "", namelessPerson.getFirstName());
    // Verify that default null representation does not map back to null
    nullTextField.setValue("null");
    assertTrue(nullTextField.isEmpty());
    Assert.assertEquals("Default one-way null representation failed.", "null", namelessPerson.getFirstName());
}

Example 27 with TestTextField

use of com.vaadin.flow.data.binder.testcomponents.TestTextField in project flow by vaadin.

the class BinderTestBase method setUpBase.

@Before
public void setUpBase() {
    UI ui = new UI() {

        @Override
        public Locale getLocale() {
            return Locale.US;
        }
    };
    nameField = new TestTextField();
    ageField = new TestTextField();
    ui.add(nameField, ageField);
}

Example 28 with TestTextField

use of com.vaadin.flow.data.binder.testcomponents.TestTextField in project flow by vaadin.

the class BinderValueChangeTest method userOriginatedUpdate_unbound_singleEventOnSetValue.

@Test
public void userOriginatedUpdate_unbound_singleEventOnSetValue() {
    TestTextField field = new TestTextField();
    binder.forField(field).bind(Person::getFirstName, Person::setFirstName);
    binder.forField(ageField).withConverter(new StringToIntegerConverter("")).bind(Person::getAge, Person::setAge);
    binder.addValueChangeListener(this::statusChanged);
    Assert.assertNull(event.get());
    field.getElement().getNode().getFeature(ElementPropertyMap.class).setProperty("value", "foo", false);
    verifyEvent(field, true);
}