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package com.vaadin.data;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertSame;
import java.time.LocalDate;
import org.junit.Test;
import org.mockito.Mockito;
import com.vaadin.ui.DateField;
import com.vaadin.ui.TextField;
/**
* @author Vaadin Ltd
*
*/
public class HasValueTest {
public abstract static class TestHasValue implements HasValue<String> {
@Override
public void clear() {
HasValue.super.clear();
}
}
@Test
public void clear() {
TestHasValue hasValue = Mockito.mock(TestHasValue.class);
Mockito.doCallRealMethod().when(hasValue).clear();
String value = "foo";
Mockito.when(hasValue.getEmptyValue()).thenReturn(value);
hasValue.clear();
Mockito.verify(hasValue).setValue(value);
}
@Test
public void getOptionalValue_nullableHasValue() {
HasValue<LocalDate> nullable = new DateField();
// Not using Assert since we're only verifying that DateField is working
// in a way appropriate for this test
assert nullable.isEmpty();
assert nullable.getValue() == null;
assertFalse(nullable.getOptionalValue().isPresent());
nullable.setValue(LocalDate.now());
assert !nullable.isEmpty();
assertSame(nullable.getValue(), nullable.getOptionalValue().get());
}
@Test
public void getOptionalValue_nonNullableHasValue() {
HasValue<String> nonNullable = new TextField();
// Not using Assert since we're only verifying that TextField is working
// in a way appropriate for this test
assert nonNullable.isEmpty();
assert nonNullable.getValue() != null;
assertFalse(nonNullable.getOptionalValue().isPresent());
nonNullable.setValue("foo");
assert !nonNullable.isEmpty();
assertSame(nonNullable.getValue(),
nonNullable.getOptionalValue().get());
}
}
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