Function cells_are_same_width

components/dash-table/tests/selenium/test_sizing.py:55–119

(test, target_selector, table_selector)

def cells_are_same_width(test, target_selector, table_selector):
    # this test is very dependent on the table's implementation details..  we are testing that all the cells are
    # the same width after all..

    def assertions():
        target = test.wait_for_element(target_selector)
        table = test.wait_for_element(table_selector)

        wait.until(
            lambda: target.size["width"] != 0
            and abs(target.size["width"] - table.size["width"]) <= 1,
            3,
        )
        target_cells = target.find_elements(
            By.CSS_SELECTOR, ".cell-1-1 > table > tbody > tr:last-of-type > *"
        )
        table_r0c0_cells = table.find_elements(
            By.CSS_SELECTOR, ".cell-0-0 > table > tbody > tr:last-of-type > *"
        )
        table_r0c1_cells = table.find_elements(
            By.CSS_SELECTOR, ".cell-0-1 > table > tbody > tr:last-of-type > *"
        )
        table_r1c0_cells = table.find_elements(
            By.CSS_SELECTOR, ".cell-1-0 > table > tbody > tr:last-of-type > *"
        )
        table_r1c1_cells = table.find_elements(
            By.CSS_SELECTOR, ".cell-1-1 > table > tbody > tr:last-of-type > *"
        )

        # make sure the r1c1 fragment contains all the cells
        assert len(target_cells) == len(table_r1c1_cells)

        # for each cell of each fragment, allow a difference of up to 1px either way since
        # the resize algorithm can be off by 1px for cycles
        for i, target_cell in enumerate(target_cells):
            assert (
                abs(target_cell.size["width"] - table_r1c1_cells[i].size["width"]) <= 1
            )

            if len(table_r0c0_cells) != 0:
                assert (
                    abs(target_cell.size["width"] - table_r0c0_cells[i].size["width"])
                    <= 1
                )

            if len(table_r0c1_cells) != 0:
                assert (
                    abs(target_cell.size["width"] - table_r0c1_cells[i].size["width"])
                    <= 1
                )

            if len(table_r1c0_cells) != 0:
                assert (
                    abs(target_cell.size["width"] - table_r1c0_cells[i].size["width"])
                    <= 1
                )

    retry = 0