devtools_tests.py

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import pytest

from selenium.webdriver.support.ui import WebDriverWait


@pytest.mark.xfail_safari
@pytest.mark.xfail_firefox
@pytest.mark.xfail_remote
def test_check_console_messages(driver, pages, recwarn):
    devtools, connection = driver.start_devtools()
    console_api_calls = []

    assert len(recwarn) == 0

    connection.execute(devtools.runtime.enable())
    connection.on(devtools.runtime.ConsoleAPICalled, console_api_calls.append)
    driver.execute_script("console.log('I love cheese')")
    driver.execute_script("console.error('I love bread')")
    WebDriverWait(driver, 10).until(lambda _: len(console_api_calls) == 2)

    assert console_api_calls[0].type_ == "log"
    assert console_api_calls[0].args[0].value == "I love cheese"
    assert console_api_calls[1].type_ == "error"
    assert console_api_calls[1].args[0].value == "I love bread"


@pytest.mark.xfail_safari
@pytest.mark.xfail_firefox
@pytest.mark.xfail_remote
def test_check_start_twice(clean_driver, clean_options):
    driver1 = clean_driver(options=clean_options)
    devtools1, connection1 = driver1.start_devtools()
    driver1.quit()

    driver2 = clean_driver(options=clean_options)
    devtools2, connection2 = driver2.start_devtools()
    driver2.quit()