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test_basic_long_callback003.py
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51 lines (39 loc) · 1.89 KB
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import sys
from multiprocessing import Lock
import pytest
from flaky import flaky
from tests.background_callback.utils import setup_background_callback_app
@pytest.mark.skipif(
sys.version_info < (3, 7), reason="Python 3.6 long callbacks tests hangs up"
)
@flaky(max_runs=3)
def test_lcbc003_long_callback_running_cancel(dash_duo, manager):
lock = Lock()
with setup_background_callback_app(manager, "app3") as app:
dash_duo.start_server(app)
dash_duo.wait_for_text_to_equal("#result", "No results", 15)
dash_duo.wait_for_text_to_equal("#status", "Finished", 6)
dash_duo.find_element("#run-button").click()
dash_duo.wait_for_text_to_equal("#result", "Processed 'initial value'", 15)
dash_duo.wait_for_text_to_equal("#status", "Finished", 6)
# Update input text box
input_ = dash_duo.find_element("#input")
dash_duo.clear_input(input_)
for key in "hello world":
with lock:
input_.send_keys(key)
# Click run button and check that status has changed to "Running"
dash_duo.find_element("#run-button").click()
dash_duo.wait_for_text_to_equal("#status", "Running", 8)
# Then click Cancel button and make sure that the status changes to finish
# without update result
dash_duo.find_element("#cancel-button").click()
dash_duo.wait_for_text_to_equal("#result", "Processed 'initial value'", 12)
dash_duo.wait_for_text_to_equal("#status", "Finished", 8)
# Click run button again, and let it finish
dash_duo.find_element("#run-button").click()
dash_duo.wait_for_text_to_equal("#status", "Running", 8)
dash_duo.wait_for_text_to_equal("#result", "Processed 'hello world'", 8)
dash_duo.wait_for_text_to_equal("#status", "Finished", 8)
assert not dash_duo.redux_state_is_loading
assert dash_duo.get_logs() == []