Enable setting non-selected default value for DateField (#9745)

Requested feature: allow setting DateField to a certain starting point without selecting a value.

2 files changed, 80 insertions, 0 deletions

diff --git a/uitest/src/main/java/com/vaadin/tests/components/datefield/DateFieldWithDefaultValue.java b/uitest/src/main/java/com/vaadin/tests/components/datefield/DateFieldWithDefaultValue.java
new file mode 100755
index 0000000000..e422fc991e
--- /dev/null
+++ b/uitest/src/main/java/com/vaadin/tests/components/datefield/DateFieldWithDefaultValue.java
@@ -0,0 +1,34 @@
+package com.vaadin.tests.components.datefield;
+
+import java.time.LocalDate;
+import java.time.format.DateTimeFormatter;
+
+import com.vaadin.annotations.Widgetset;
+import com.vaadin.server.VaadinRequest;
+import com.vaadin.tests.components.AbstractTestUI;
+import com.vaadin.ui.DateField;
+
+@Widgetset("com.vaadin.DefaultWidgetSet")
+public class DateFieldWithDefaultValue extends AbstractTestUI {
+
+    static final String DATEFIELD_HAS_DEFAULT = "hasdefault";
+
+    static final String DATEFIELD_REGULAR = "regular";
+
+    @Override
+    protected void setup(VaadinRequest request) {
+        DateField dfWithDefault = new DateField(
+                "Date field with default value 2010-10-01");
+        dfWithDefault.setId(DATEFIELD_HAS_DEFAULT);
+        LocalDate defaultValue = LocalDate.parse("2010-10-01",
+                DateTimeFormatter.ISO_DATE);
+        dfWithDefault.setDefaultValue(defaultValue);
+        addComponent(dfWithDefault);
+
+        DateField regularDF = new DateField("Regular datefield");
+        regularDF.setId(DATEFIELD_REGULAR);
+        addComponent(regularDF);
+
+    }
+
+}
diff --git a/uitest/src/test/java/com/vaadin/tests/components/datefield/DateFieldWithDefaultValueTest.java b/uitest/src/test/java/com/vaadin/tests/components/datefield/DateFieldWithDefaultValueTest.java
new file mode 100755
index 0000000000..964b6bbecb
--- /dev/null
+++ b/uitest/src/test/java/com/vaadin/tests/components/datefield/DateFieldWithDefaultValueTest.java
@@ -0,0 +1,46 @@
+package com.vaadin.tests.components.datefield;
+
+import static com.vaadin.tests.components.datefield.DateFieldWithDefaultValue.DATEFIELD_HAS_DEFAULT;
+import static com.vaadin.tests.components.datefield.DateFieldWithDefaultValue.DATEFIELD_REGULAR;
+
+import org.junit.Test;
+import org.openqa.selenium.By;
+import org.openqa.selenium.WebElement;
+
+import com.vaadin.testbench.elements.DateFieldElement;
+import com.vaadin.tests.tb3.MultiBrowserTest;
+
+public class DateFieldWithDefaultValueTest extends MultiBrowserTest {
+
+    @Test
+    public void testDateFieldDefaultValue() {
+        openTestURL();
+        String datePickerId = DATEFIELD_HAS_DEFAULT;
+        getDateFieldElement(datePickerId).openPopup();
+        WebElement monthSpanElement = getMonthSpanFromVisibleCalendarPanel();
+        // Can't check for "October 2010", since IE11 translates October ->
+        // lokakuu
+        assert (monthSpanElement.getText().contains("2010"));
+    }
+
+    @Test
+    public void testDateFieldWithNoDefault() {
+        openTestURL();
+        String datePickerId = DATEFIELD_REGULAR;
+        getDateFieldElement(datePickerId).openPopup();
+        WebElement monthSpanElement = getMonthSpanFromVisibleCalendarPanel();
+        assert (!monthSpanElement.getText().contains("2010"));
+    }
+
+    private WebElement getMonthSpanFromVisibleCalendarPanel() {
+        return getDriver()
+                .findElements(
+                        By.cssSelector(".v-datefield-calendarpanel-month"))
+                .get(0);
+    }
+
+    private DateFieldElement getDateFieldElement(String id) {
+        return $(DateFieldElement.class).id(id);
+    }
+
+}