package com.vaadin.tests.server.component.abstractfield;
import java.util.Locale;
import junit.framework.TestCase;
import org.junit.Assert;
import org.junit.Test;
import com.vaadin.data.util.MethodProperty;
import com.vaadin.data.util.ObjectProperty;
import com.vaadin.data.util.converter.Converter;
import com.vaadin.data.util.converter.Converter.ConversionException;
import com.vaadin.data.util.converter.StringToIntegerConverter;
import com.vaadin.server.VaadinSession;
import com.vaadin.tests.data.bean.Address;
import com.vaadin.tests.data.bean.Country;
import com.vaadin.tests.data.bean.Person;
import com.vaadin.tests.data.bean.Sex;
import com.vaadin.tests.util.AlwaysLockedVaadinSession;
import com.vaadin.ui.CheckBox;
import com.vaadin.ui.TextField;
public class AbsFieldValueConversions extends TestCase {
Person paulaBean = new Person("Paula", "Brilliant", "paula@brilliant.com",
34, Sex.FEMALE, new Address("Paula street 1", 12345, "P-town",
Country.FINLAND));
/**
* Java uses a non-breaking space (ascii 160) instead of space when
* formatting
*/
private static final char FORMATTED_SPACE = 160;
public void testWithoutConversion() {
TextField tf = new TextField();
tf.setPropertyDataSource(new MethodProperty<String>(paulaBean,
"firstName"));
assertEquals("Paula", tf.getValue());
assertEquals("Paula", tf.getPropertyDataSource().getValue());
tf.setValue("abc");
assertEquals("abc", tf.getValue());
assertEquals("abc", tf.getPropertyDataSource().getValue());
assertEquals("abc", paulaBean.getFirstName());
}
public void testNonmodifiedBufferedFieldConversion() {
VaadinSession.setCurrent(new AlwaysLockedVaadinSession(null));
TextField tf = new TextField("salary");
tf.setBuffered(true);
tf.setLocale(new Locale("en", "US"));
ObjectProperty<Integer> ds = new ObjectProperty<Integer>(123456789);
tf.setPropertyDataSource(ds);
assertEquals((Integer) 123456789, ds.getValue());
assertEquals("123,456,789", tf.getValue());
tf.setLocale(new Locale("fi", "FI"));
assertEquals((Integer) 123456789, ds.getValue());
assertEquals("123" + FORMATTED_SPACE + "456" + FORMATTED_SPACE + "789",
tf.getValue());
}
public void testModifiedBufferedFieldConversion() {
VaadinSession.setCurrent(new AlwaysLockedVaadinSession(null));
TextField tf = new TextField("salary");
tf.setBuffered(true);
tf.setLocale(new Locale("en", "US"));
ObjectProperty<Integer> ds = new ObjectProperty<Integer>(123456789);
tf.setPropertyDataSource(ds);
assertEquals((Integer) 123456789, ds.getValue());
assertEquals("123,456,789", tf.getValue());
tf.setValue("123,123");
assertEquals((Integer) 123456789, ds.getValue());
assertEquals("123,123", tf.getValue());
tf.setLocale(new Locale("fi", "FI"));
assertEquals((Integer) 123456789, ds.getValue());
// Value should not be updated when field is buffered
assertEquals("123,123", tf.getValue());
}
public void testStringIdentityConversion() {
TextField tf = new TextField();
tf.setConverter(new Converter<String, String>() {
@Override
public String convertToModel(String value,
Class<? extends String> targetType, Locale locale) {
return value;
}
@Override
public String convertToPresentation(String value,
Class<? extends String> targetType, Locale locale) {
return value;
}
@Override
public Class<String> getModelType() {
return String.class;
}
@Override
public Class<String> getPresentationType() {
return String.class;
}
});
tf.setPropertyDataSource(new MethodProperty<String>(paulaBean,
"firstName"));
assertEquals("Paula", tf.getValue());
assertEquals("Paula", tf.getPropertyDataSource().getValue());
tf.setValue("abc");
assertEquals("abc", tf.getValue());
assertEquals("abc", tf.getPropertyDataSource().getValue());
assertEquals("abc", paulaBean.getFirstName());
}
public void testIntegerStringConversion() {
TextField tf = new TextField();
tf.setConverter(new StringToIntegerConverter());
tf.setPropertyDataSource(new MethodProperty<Integer>(paulaBean, "age"));
assertEquals(34, tf.getPropertyDataSource().getValue());
assertEquals("34", tf.getValue());
tf.setValue("12");
assertEquals(12, tf.getPropertyDataSource().getValue());
assertEquals("12", tf.getValue());
tf.getPropertyDataSource().setValue(42);
assertEquals(42, tf.getPropertyDataSource().getValue());
assertEquals("42", tf.getValue());
}
public void testChangeReadOnlyFieldLocale() {
VaadinSession.setCurrent(new AlwaysLockedVaadinSession(null));
TextField tf = new TextField("salary");
tf.setLocale(new Locale("en", "US"));
ObjectProperty<Integer> ds = new ObjectProperty<Integer>(123456789);
ds.setReadOnly(true);
tf.setPropertyDataSource(ds);
assertEquals((Integer) 123456789, ds.getValue());
assertEquals("123,456,789", tf.getValue());
tf.setLocale(new Locale("fi", "FI"));
assertEquals((Integer) 123456789, ds.getValue());
assertEquals("123" + FORMATTED_SPACE + "456" + FORMATTED_SPACE + "789",
tf.getValue());
}
public void testBooleanNullConversion() {
CheckBox cb = new CheckBox();
cb.setConverter(new Converter<Boolean, Boolean>() {
@Override
public Boolean convertToModel(Boolean value,
Class<? extends Boolean> targetType, Locale locale) {
// value from a CheckBox should never be null as long as it is
// not set to null (handled by conversion below).
assertNotNull(value);
return value;
}
@Override
public Boolean convertToPresentation(Boolean value,
Class<? extends Boolean> targetType, Locale locale) {
// Datamodel -> field
if (value == null) {
return false;
}
return value;
}
@Override
public Class<Boolean> getModelType() {
return Boolean.class;
}
@Override
public Class<Boolean> getPresentationType() {
return Boolean.class;
}
});
MethodProperty<Boolean> property = new MethodProperty<Boolean>(
paulaBean, "deceased");
cb.setPropertyDataSource(property);
assertEquals(Boolean.FALSE, property.getValue());
assertEquals(Boolean.FALSE, cb.getValue());
Boolean newDmValue = cb.getConverter().convertToPresentation(
cb.getValue(), Boolean.class, new Locale("fi", "FI"));
assertEquals(Boolean.FALSE, newDmValue);
// FIXME: Should be able to set to false here to cause datamodel to be
// set to false but the change will not be propagated to the Property
// (field value is already false)
cb.setValue(true);
assertEquals(Boolean.TRUE, cb.getValue());
assertEquals(Boolean.TRUE, property.getValue());
cb.setValue(false);
assertEquals(Boolean.FALSE, cb.getValue());
assertEquals(Boolean.FALSE, property.getValue());
}
// Now specific to Integer because StringToNumberConverter has been removed
public static class NumberBean {
private Integer number;
public Integer getNumber() {
return number;
}
public void setNumber(Integer number) {
this.number = number;
}
}
public void testNumberDoubleConverterChange() {
final VaadinSession a = new AlwaysLockedVaadinSession(null);
VaadinSession.setCurrent(a);
TextField tf = new TextField() {
@Override
public VaadinSession getSession() {
return a;
}
};
NumberBean nb = new NumberBean();
nb.setNumber(490);
tf.setPropertyDataSource(new MethodProperty<Number>(nb, "number"));
assertEquals(490, tf.getPropertyDataSource().getValue());
assertEquals("490", tf.getValue());
Converter c1 = tf.getConverter();
tf.setPropertyDataSource(new MethodProperty<Number>(nb, "number"));
Converter c2 = tf.getConverter();
assertTrue(
"StringToInteger converter is ok for integer types and should stay even though property is changed",
c1 == c2);
assertEquals(490, tf.getPropertyDataSource().getValue());
assertEquals("490", tf.getValue());
}
@Test
public void testNullConverter() {
TextField tf = new TextField("foo");
tf.setConverter(new StringToIntegerConverter());
tf.setPropertyDataSource(new ObjectProperty<Integer>(12));
tf.setConverter((Converter) null);
try {
Object v = tf.getConvertedValue();
System.out.println(v);
Assert.fail("Trying to convert String -> Integer should fail when there is no converter");
} catch (ConversionException e) {
// ok, should happen when there is no converter but conversion is
// needed
}
}
}