server/src/test/java/com/vaadin/ui/InlineDateTimeFieldConstructorTest.java


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package com.vaadin.ui;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertFalse;
import static org.junit.Assert.assertTrue;
import static org.mockito.Mockito.never;
import static org.mockito.Mockito.verify;

import java.time.LocalDateTime;

import org.junit.Test;
import org.mockito.Mockito;

import com.vaadin.data.HasValue;
import com.vaadin.shared.ui.datefield.DateTimeResolution;

public class InlineDateTimeFieldConstructorTest {

    @Test
    public void initiallyEmpty() {
        InlineDateTimeField dateTimeField = new InlineDateTimeField();
        assertTrue(dateTimeField.isEmpty());
        assertEquals(DateTimeResolution.MINUTE, dateTimeField.getResolution());
    }

    @Test
    public void testValueConstructor_emptyAfterClear() {
        InlineDateTimeField dateTimeField = new InlineDateTimeField(null,
                LocalDateTime.now());
        assertFalse(dateTimeField.isEmpty());
        assertEquals(DateTimeResolution.MINUTE, dateTimeField.getResolution());

        dateTimeField.clear();
        assertTrue(dateTimeField.isEmpty());
    }

    @Test
    public void testValueChangeListener_eventOnValueChange() {
        HasValue.ValueChangeListener valueChangeListener = Mockito
                .mock(HasValue.ValueChangeListener.class);
        InlineDateTimeField dateTimeField = new InlineDateTimeField(
                valueChangeListener);
        assertEquals(DateTimeResolution.MINUTE, dateTimeField.getResolution());

        dateTimeField.setValue(LocalDateTime.now());

        verify(valueChangeListener)
                .valueChange(Mockito.any(HasValue.ValueChangeEvent.class));

    }

    @Test
    public void testCaptionValueListener() {
        HasValue.ValueChangeListener valueChangeListener = Mockito
                .mock(HasValue.ValueChangeListener.class);
        InlineDateTimeField dateTimeField = new InlineDateTimeField("Caption",
                LocalDateTime.now(), valueChangeListener);
        assertEquals(DateTimeResolution.MINUTE, dateTimeField.getResolution());

        verify(valueChangeListener, never())
                .valueChange(Mockito.any(HasValue.ValueChangeEvent.class));

        dateTimeField.setValue(LocalDateTime.now().plusDays(1));

        verify(valueChangeListener)
                .valueChange(Mockito.any(HasValue.ValueChangeEvent.class));

    }
}