def template_test_python_component_prop(dash_threaded,
app_name,
assert_callback,
update_component_callback,
prop_name,
prop_value,
prop_type=None,
component_base=COMPONENT_PYTHON_BASE,
**kwargs):
template_test_component(dash_threaded,
app_name,
assert_callback,
update_component_callback,
prop_name,
prop_value,
prop_type=prop_type,
component_base=component_base,
**kwargs)
driver = dash_threaded.driver
btn = wait_for_element_by_css_selector(driver,
'#test-{}-btn'.format(app_name))
btn.click()
wait_for_text_to_equal(driver,
'#test-{}-assert-value-div'.format(app_name),
'PASSED')
def test_dash_threaded(dash_threaded):
app = dash.Dash(__name__)
app.layout = html.Div([
html.Button('click me', id='clicker'),
html.Div(id='output')
])
call_count = Queue()
@app.callback(Output('output', 'children'), [Input('clicker', 'n_clicks')])
def on_click(n_clicks):
call_count.put(1)
if n_clicks is None:
raise PreventUpdate
return n_clicks
dash_threaded(app, port=8090)
assert 'http://localhost:8090' in dash_threaded.driver.current_url
clicker = wait_for_element_by_css_selector(
dash_threaded.driver, '#clicker'
)
for i in range(6):
clicker.click()
wait_for_text_to_equal(dash_threaded.driver, '#output', str(i + 1))
assert call_count.qsize() == 7
def test_imported_app(dash_threaded):
app = import_app('test_apps.simple_app')
dash_threaded(app)
driver = dash_threaded.driver
value_input = driver.find_element_by_id('value')
value_input.clear()
value_input.send_keys('Hello imported dash')
wait_for_text_to_equal(driver, '#out', 'Hello imported dash')
def test_application(dash_threaded):
driver = dash_threaded.driver
app = import_app('webApp')
counts = {'clicks': 0}
dash_threaded(app)
btn = wait_for.wait_for_element_by_css_selector(driver, '#date-picker')
btn.click()
wait_for.wait_for_text_to_equal(driver, '#out', '')
def test_suggestions_input(dash_threaded):
from test_apps.suggestions_input import app
selenium = dash_threaded.driver
dash_threaded(app)
suggestion_input = wait_for_element_by_css_selector(
selenium, '#suggestions')
# Tests all suggestion types.
suggestion_input.send_keys('$Term\t')
wait_for_text_to_equal(selenium, '#suggestions-output', 'Terminator')
# Backend/Callback powered suggestions
# need a small delay for the suggestions to appear
# without losing the focus on the component for the modal to stay up.
# test might be flaky...
clear_input(suggestion_input)
time.sleep(1)
suggestion_input.send_keys('@call')
time.sleep(1)
suggestion_input.send_keys('\t')
wait_for_text_to_equal(selenium, '#suggestions-output', 'callback')
def test_render_component(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.
driver = dash_threaded.driver
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(driver, '#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(driver, '#output', 'You have entered Hello dash')
def test_install(cookies, dash_threaded):
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))
selenium = dash_threaded.driver
# 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 test_different_application_name_subprocess(dash_subprocess):
dash_subprocess(
'test_apps.different_app_name', application_name='different'
)
wait_for_text_to_equal(dash_subprocess.driver, '#body', 'Different')
def test_different_application_name_imported(dash_threaded):
app = import_app(
'test_apps.different_app_name', application_name='different'
)
dash_threaded(app)
wait_for_text_to_equal(dash_threaded.driver, '#body', 'Different')
