package com.vaadin.tests.server.component.textfield;
import java.util.Collections;
import junit.framework.TestCase;
import com.vaadin.data.Property;
import com.vaadin.data.Property.ValueChangeEvent;
import com.vaadin.data.Property.ValueChangeListener;
import com.vaadin.data.util.ObjectProperty;
import com.vaadin.data.util.PropertyFormatter;
import com.vaadin.ui.TextField;
public class TextFieldWithPropertyFormatter extends TestCase {
private static final String INPUT_VALUE = "foo";
private static final String PARSED_VALUE = "BAR";
private static final String FORMATTED_VALUE = "FOOBAR";
private static final String ORIGINAL_VALUE = "Original";
private TextField field;
private PropertyFormatter<String> formatter;
private ObjectProperty<String> property;
private ValueChangeListener listener;
private int listenerCalled;
private int repainted;
@Override
protected void setUp() throws Exception {
super.setUp();
field = new TextField() {
@Override
public void markAsDirty() {
repainted++;
super.markAsDirty();
}
};
formatter = new PropertyFormatter<String>() {
@Override
public String parse(String formattedValue) throws Exception {
assertEquals(INPUT_VALUE, formattedValue);
return PARSED_VALUE;
}
@Override
public String format(String value) {
return FORMATTED_VALUE;
}
};
property = new ObjectProperty<String>(ORIGINAL_VALUE);
formatter.setPropertyDataSource(property);
field.setPropertyDataSource(formatter);
listener = new Property.ValueChangeListener() {
@Override
public void valueChange(ValueChangeEvent event) {
listenerCalled++;
assertEquals(1, listenerCalled);
assertEquals(FORMATTED_VALUE, event.getProperty().getValue());
}
};
field.addListener(listener);
listenerCalled = 0;
repainted = 0;
}
public void testWithServerApi() {
checkInitialState();
field.setValue(INPUT_VALUE);
checkEndState();
}
private void checkEndState() {
assertEquals(1, listenerCalled);
assertTrue(repainted >= 1);
assertEquals(FORMATTED_VALUE, field.getValue());
assertEquals(FORMATTED_VALUE, formatter.getValue());
assertEquals(PARSED_VALUE, property.getValue());
}
private void checkInitialState() {
assertEquals(ORIGINAL_VALUE, property.getValue());
assertEquals(FORMATTED_VALUE, formatter.getValue());
assertEquals(FORMATTED_VALUE, field.getValue());
}
public void testWithSimulatedClientSideChange() {
checkInitialState();
field.changeVariables(null,
Collections.singletonMap("text", (Object) INPUT_VALUE));
checkEndState();
}
}