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package com.vaadin.tests.components.datefield;
import static com.vaadin.tests.components.datefield.DateTimeFieldZoneId.INITIAL_DATE_TIME;
import static com.vaadin.tests.components.datefield.DateTimeFieldZoneId.LOCALE_ID;
import static com.vaadin.tests.components.datefield.DateTimeFieldZoneId.PATTERN_ID;
import static com.vaadin.tests.components.datefield.DateTimeFieldZoneId.ZONE_ID;
import static java.time.temporal.ChronoUnit.MONTHS;
import static org.junit.Assert.assertTrue;
import java.time.Duration;
import java.time.Instant;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.util.List;
import java.util.TimeZone;
import org.junit.Test;
import org.openqa.selenium.JavascriptExecutor;
import org.openqa.selenium.remote.DesiredCapabilities;
import com.vaadin.testbench.elements.ComboBoxElement;
import com.vaadin.testbench.elements.DateTimeFieldElement;
import com.vaadin.testbench.elements.TextFieldElement;
import com.vaadin.testbench.parallel.Browser;
import com.vaadin.tests.tb3.MultiBrowserTest;
public class DateTimeFieldZoneIdTest extends MultiBrowserTest {
@Override
public List<DesiredCapabilities> getBrowsersToTest() {
// IE11 and PhantomJS don't support getting timezone
return getBrowserCapabilities(Browser.CHROME, Browser.FIREFOX);
}
private static LocalDateTime THIRTY_OF_JULY = INITIAL_DATE_TIME
.plus(6, MONTHS).withDayOfMonth(30);
@Test
public void defaultDisplayName() {
openTestURL();
DateTimeFieldElement dateField = $(DateTimeFieldElement.class).first();
dateField.openPopup();
LocalDate initialDate = INITIAL_DATE_TIME.toLocalDate();
assertEndsWith(dateField, getUTCString(initialDate));
dateField.setDateTime(THIRTY_OF_JULY);
assertEndsWith(dateField, getUTCString(THIRTY_OF_JULY.toLocalDate()));
}
@Test
public void zoneIdTokyo() {
openTestURL();
DateTimeFieldElement dateField = $(DateTimeFieldElement.class).first();
setZoneId("Asia/Tokyo");
dateField.openPopup();
assertEndsWith(dateField, "JST");
dateField.setDateTime(THIRTY_OF_JULY);
assertEndsWith(dateField, "JST");
}
@Test
public void zoneIdBerlin() {
openTestURL();
DateTimeFieldElement dateField = $(DateTimeFieldElement.class).first();
setZoneId("Europe/Berlin");
dateField.openPopup();
assertEndsWith(dateField, "CET");
dateField.setDateTime(THIRTY_OF_JULY);
assertEndsWith(dateField, "CEST");
}
@Test
public void defaultDisplayNameLocaleGerman() {
openTestURL();
setLocale("de");
DateTimeFieldElement dateField = $(DateTimeFieldElement.class).first();
dateField.openPopup();
assertEndsWith(dateField,
getUTCString(INITIAL_DATE_TIME.toLocalDate()));
dateField.setDateTime(THIRTY_OF_JULY);
assertEndsWith(dateField, getUTCString(THIRTY_OF_JULY.toLocalDate()));
}
@Test
public void zoneIdBeirutLocaleGerman() {
openTestURL();
DateTimeFieldElement dateField = $(DateTimeFieldElement.class).first();
setZoneId("Asia/Beirut");
setLocale("de");
dateField.openPopup();
assertEndsWith(dateField, "OEZ");
dateField.setDateTime(THIRTY_OF_JULY);
assertEndsWith(dateField, "OESZ");
}
@Test
public void zInQuotes() {
openTestURL();
DateTimeFieldElement dateField = $(DateTimeFieldElement.class).first();
setZoneId("Asia/Tokyo");
TextFieldElement patternField = $(TextFieldElement.class)
.id(PATTERN_ID);
patternField.setValue("dd MMM yyyy - hh:mm:ss a 'z' z");
dateField.openPopup();
assertEndsWith(dateField, "z JST");
dateField.setDateTime(THIRTY_OF_JULY);
assertEndsWith(dateField, "z JST");
}
private void assertEndsWith(DateTimeFieldElement element, String suffix) {
String text = element.getValue();
assertTrue(text + " should end with " + suffix, text.endsWith(suffix));
}
/**
* Returns the timezone name formatted as returned by
* {@link com.google.gwt.i18n.client.DateTimeFormat}, which supports only
* standard GMT and RFC format.
*
* The {@link ZoneId} used is the operating system default
*/
private String getUTCString(LocalDate localDate) {
// Get the TimeZone from browser
String browserTimeZone = ((JavascriptExecutor) getDriver())
.executeScript(
"return Intl.DateTimeFormat().resolvedOptions().timeZone;")
.toString();
TimeZone timeZone = TimeZone.getTimeZone(browserTimeZone);
Instant instant = localDate.atStartOfDay().atZone(timeZone.toZoneId())
.toInstant();
Duration duration = Duration
.ofMillis(timeZone.getOffset(instant.toEpochMilli()));
String suffix;
if (duration.toMinutes() == 0) {
suffix = "";
} else {
long minutes = duration.toMinutes()
% Duration.ofHours(1).toMinutes();
long hours = duration.toHours();
suffix = (hours >= 0 ? "+" : "") + hours
+ (minutes != 0 ? ":" + minutes : "");
}
return "UTC" + suffix;
}
private void setZoneId(String zoneId) {
ComboBoxElement zoneIdComboBox = $(ComboBoxElement.class).id(ZONE_ID);
zoneIdComboBox.selectByText(zoneId);
}
private void setLocale(String locale) {
ComboBoxElement zoneIdComboBox = $(ComboBoxElement.class).id(LOCALE_ID);
zoneIdComboBox.selectByText(locale);
}
}
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