firefox_context_tests.py

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import pytest

from selenium.webdriver import Firefox
from selenium.webdriver.firefox.options import Options


@pytest.fixture
def driver():
    options = Options()
    options.add_argument("-remote-allow-system-access")
    driver = Firefox(options=options)
    yield driver
    driver.quit()


def test_sets_correct_context(driver):
    def get_context():
        return driver.execute("GET_CONTEXT").pop("value")

    assert get_context() == driver.CONTEXT_CONTENT
    with driver.context(driver.CONTEXT_CHROME):
        assert get_context() == driver.CONTEXT_CHROME
    assert get_context() == driver.CONTEXT_CONTENT


def test_switch_context_to_chrome(driver):
    driver.set_context("chrome")
    assert 1 == driver.execute_script("var c = Components.classes; return 1;")