def access_demo_app(dash_threaded, app_name):
"""Mimic a user click on the app link from the gallery."""
driver = dash_threaded.driver
dash_bio_index = import_app('index')
dash_threaded(dash_bio_index)
link = wait_for_element_by_id(driver, 'app-link-id-{}'.format(app_name))
link.click()
def test_install(dash_threaded):
# 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, '..')
# Test that `usage.py` works after building the default component.
dash_threaded(import_app('app'))
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)
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_start(dash_threaded):
"""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_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_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_invalid_start_raises_threaded(dash_threaded):
# Start the server without setting the layout.
with pytest.raises(DashAppLoadingError):
dash_threaded(import_app('test_apps.no_layout_app'), start_timeout=1)
def test_no_app_found():
with pytest.raises(NoAppFoundError):
import_app('test_apps.invalid_app')
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')