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import pytest

from selenium.common.exceptions import WebDriverException
from selenium.webdriver.common.by import By
from selenium.webdriver.support.color import Color


def test_should_pick_up_style_of_an_element(driver, pages):
    pages.load("javascriptPage.html")

    element = driver.find_element(by=By.ID, value="green-parent")
    backgroundColour = Color.from_string(element.value_of_css_property("background-color"))
    assert Color.from_string("rgba(0, 128, 0, 1)") == backgroundColour

    element = driver.find_element(by=By.ID, value="red-item")
    backgroundColour = Color.from_string(element.value_of_css_property("background-color"))
    assert Color.from_string("rgba(255, 0, 0, 1)") == backgroundColour


def test_should_allow_inherited_styles_to_be_used(driver, pages):
    pages.load("javascriptPage.html")
    element = driver.find_element(by=By.ID, value="green-item")
    backgroundColour = Color.from_string(element.value_of_css_property("background-color"))
    assert backgroundColour == Color.from_string("transparent")


def test_should_correctly_identify_that_an_element_has_width(driver, pages):
    pages.load("xhtmlTest.html")

    shrinko = driver.find_element(by=By.ID, value="linkId")
    size = shrinko.size
    assert size["width"] > 0
    assert size["height"] > 0


@pytest.mark.xfail_safari(reason="Get Element Rect command not implemented", raises=WebDriverException)
def test_should_be_able_to_determine_the_rect_of_an_element(driver, pages):
    pages.load("xhtmlTest.html")

    element = driver.find_element(By.ID, "username")
    rect = element.rect

    assert rect["x"] > 0
    assert rect["y"] > 0
    assert rect["width"] > 0
    assert rect["height"] > 0