demo for resizing test

tests/gui/e2e/test_resizing.py

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+import inspect
+from importlib import util
+
+import pandas
+import pytest
+
+if util.find_spec("playwright"):
+    from playwright._impl._page import Page
+
+from taipy.gui import Gui
+
+
+@pytest.mark.extension
+def test_has_default_value(page: Page, gui: Gui, helpers):
+    percentages = [
+        (1852, 50.83),
+        (1856, 45.29),
+        (1860, 39.65),
+        (1864, 55.03),
+        (1868, 52.66),
+        (1872, 55.58),
+        (1876, 47.92),
+        (1880, 48.31),
+        (1884, 48.85),
+        (1888, 47.80),
+        (1892, 46.02),
+        (1896.0, 51.02),
+        (1900, 51.64),
+        (1904, 56.42),
+        (1908, 51.57),
+        (1912, 41.84),
+        (1916, 49.24),
+        (1920, 60.32),
+        (1924, 54.04),
+        (1928, 58.21),
+        (1932, 57.41),
+        (1936, 60.80),
+        (1940, 54.74),
+        (1944, 53.39),
+        (1948, 49.55),
+        (1952, 55.18),
+        (1956, 57.37),
+        (1960, 49.72),
+        (1964, 61.05),
+        (1968, 43.42),
+        (1972, 60.67),
+        (1976, 50.08),
+        (1980, 50.75),
+        (1984, 58.77),
+        (1988, 53.37),
+        (1992, 43.01),
+        (1996, 49.23),
+        (2000, 47.87),
+        (2004, 50.73),
+        (2008, 52.93),
+        (2012, 51.06),
+        (2016, 46.09),
+        (2020, 51.31),
+    ]
+    data = pandas.DataFrame(percentages, columns=["Year", "%"])
+    page_md = """
+<|{data}|chart|type=bar|x=Year|y=%|>
+"""
+    gui._set_frame(inspect.currentframe())
+    gui.add_page(name="test", page=page_md)
+    helpers.run_e2e(gui)  # Changed port number
+    page.goto("./test")
+    page.wait_for_timeout(3000)
+    page.wait_for_selector(".plot-container")
+    # Set the initial viewport size
+    page.set_viewport_size({"width": 800, "height": 600})
+
+    elements = page.locator(
+        'path[style*="vector-effect: non-scaling-stroke; opacity: 1; stroke-width: 0px; fill: rgb(99, 110, 250); fill-opacity: 1;"]')
+    first_element = elements.first
+
+    # Get the bounding box before resizing
+    box_before = first_element.bounding_box()
+
+    # Perform the resize operation
+    page.set_viewport_size({"width": 1920, "height": 1080})
+
+    # Wait for any potential re-rendering or layout changes
+    page.wait_for_timeout(1000)
+
+    # Get the bounding box after resizing
+    box_after = first_element.bounding_box()
+
+    # Compare the bounding boxes
+    assert box_after['width'] > box_before['width']