def test_install(cookies, dash_threaded, selenium):
results = cookies.bake(
extra_context={
'project_name': 'Test Component',
'author_name': 'test',
'author_email': 'test',
})
# Add the generated project to the path so it can be loaded from usage.py
# It lies somewhere in a temp directory created by pytest-cookies
sys.path.insert(0, str(results.project))
# Test that `usage.py` works after building the default component.
dash_threaded(import_app('usage'))
input_component = wait_for_element_by_css_selector(selenium,
'#input > input')
input_component.clear()
input_component.send_keys('Hello dash component')
wait_for_text_to_equal(selenium, '#output',
'You have entered Hello dash component')
node_modules = str(results.project.join('node_modules'))
if sys.platform == 'win32':
# Fix delete long names on windows.
# pytest-cookies have trouble deleting some file generated by webpack.
node_modules = '\\\\?\\' + node_modules
shutil.rmtree(node_modules)
def usage_app(dash_threaded):
# Start a dash app contained in `usage.py`
# dash_threaded is a fixture by pytest-dash
# It will load a py file containing a Dash instance named `app`
# and start it in a thread.
app = import_app('usage')
dash_threaded(app)
return app
def test_start(dash_threaded, selenium):
"""Launch the app.
`dash_threaded` is a fixture by `pytest-dash`.
It will load a .py file containing a Dash instance
and start it in a thread.
"""
app = import_app('index')
assert 'gallery', 'bioinformatics' in str(app.layout)
# Test that `index.py` (the main gallery) works
dash_threaded(app)
def test_render_component(dash_threaded, selenium):
# Start a dash app contained in `usage.py`
# dash_threaded is a fixture by pytest-dash
# It will load a py file containing a Dash instance named `app`
# and start it in a thread.
app = import_app('usage')
dash_threaded(app)
# Get the generated component input with selenium
# The html input will be a children of the #input dash component
my_component = wait_for_element_by_css_selector(selenium, '#input > input')
assert 'my-value' == my_component.get_attribute('value')
# Clear the input
my_component.clear()
# Send keys to the custom input.
my_component.send_keys('Hello dash')
# Wait for the text to equal, if after the timeout (default 10 seconds)
# the text is not equal it will fail the test.
wait_for_text_to_equal(selenium, '#output', 'You have entered Hello dash')
def access_demo_app(dash_threaded, selenium, app_name):
"""mimic a user click on the app link from the gallery"""
dash_bio_index = import_app('index')
dash_threaded(dash_bio_index)
link = wait_for_element_by_id(selenium, 'app-link-id-{}'.format(app_name))
link.click()