Adding datepicker blanks example

Author: elnelson575

tests/playwright/shiny/components/date_range/app.py

@@ -0,0 +1,86 @@
+from datetime import date
+
+from dateutil.relativedelta import relativedelta
+
+from shiny import App, Inputs, Outputs, Session, reactive, render, ui
+
+min_date = date.fromisoformat("2011-11-04")
+max_date = min_date + relativedelta(days=10)
+
+app_ui = ui.page_fluid(
+    ui.input_date_range(
+        "standard_date_picker",
+        "Normal Input:",
+        start=min_date,
+        end=max_date,
+        min=min_date,
+        max=max_date,
+        format="yyyy-mm-dd",
+        language="en",
+    ),
+    ui.output_text("standard"),
+    ui.br(),
+    ui.br(),
+    ui.input_date_range(
+        "none_date_picker",
+        "None Input:",
+        start=None,
+        end=None,
+        min=None,
+        max=None,
+        format="yyyy-mm-dd",
+        language="en",
+    ),
+    ui.output_text("none"),
+    ui.br(),
+    ui.br(),
+    ui.input_date_range(
+        "empty_date_picker",
+        "Empty Input:",
+        start="",
+        end="",
+        min=None,
+        max=None,
+        format="yyyy-mm-dd",
+        language="en",
+    ),
+    ui.output_text("empty"),
+)
+
+
+def server(input: Inputs, output: Outputs, session: Session):
+    @render.text
+    def standard():
+        return (
+            "Date Picker Value: "
+            + str(input.standard_date_picker()[0])
+            + " to "
+            + str(input.standard_date_picker()[1])
+        )
+
+    @render.text
+    def none():
+        return (
+            "Date Picker Value: "
+            + str(input.none_date_picker()[0])
+            + " to "
+            + str(input.none_date_picker()[1])
+        )
+
+    @render.text
+    def empty():
+        return (
+            "Date Picker Value: "
+            + str(input.empty_date_picker()[0])
+            + " to "
+            + str(input.empty_date_picker()[1])
+        )
+
+    @reactive.effect
+    @reactive.event(input.update, ignore_none=True, ignore_init=True)
+    def _():
+        d = date.fromisoformat("2011-11-05")
+        ui.update_date("standard_date_picker", value=d)
+
+
+app = App(app_ui, server, debug=True)

tests/playwright/shiny/components/date_range/test_date_range.py

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+import datetime
+
+from playwright.sync_api import Page
+
+from shiny.playwright import controller
+from shiny.run import ShinyAppProc
+
+
+def test_dynamic_navs(page: Page, local_app: ShinyAppProc) -> None:
+    page.goto(local_app.url)
+
+    # Check the normal date range input
+    date1 = controller.InputDateRange(page, "standard_date_picker")
+    date1.expect_value(("2011-11-04", "2011-11-14"))
+    date1.expect_max_date("2011-11-14")
+    date1.expect_min_date("2011-11-04")
+    date_output = controller.OutputText(page, "standard")
+    date_output.expect_value("Date Picker Value: 2011-11-04 to 2011-11-14")
+
+    # Check the None date range input
+    date2 = controller.InputDateRange(page, "none_date_picker")
+    input = datetime.date.today().strftime("%Y-%m-%d")
+    date2.expect_value((input, input))
+    date2.expect_max_date(None)
+    date2.expect_min_date(None)
+    date_output_none = controller.OutputText(page, "none")
+    date_output_none.expect_value("Date Picker Value: " + input + " to " + input)
+
+    # Check the empty date range input
+    date3 = controller.InputDateRange(page, "empty_date_picker")
+    date3.expect_value(("", ""))
+    date3.expect_max_date(None)
+    date3.expect_min_date(None)
+    date_output_empty = controller.OutputText(page, "empty")
+    date_output_empty.expect_value("Date Picker Value: None to None")