def test_system_queries_based_on_date_and_location_and_crime_type(dash_duo):
app = Dash(__name__)
app.layout = simple_app_layout()
# instantiates a database
database = Database.Connection()
# Update Function based on date-picker,location dropdown, and type of crime
@app.callback([
Output('output-container-date-picker-range', 'children'),
Output("output-1", "children"),
Output("output-2", "children")
], [
Input('my-date-picker-range', 'start_date'),
Input('my-date-picker-range', 'end_date'),
Input("crime-dropdown", "value"),
Input("location-dropdown", "value")
])
def update_graph(start_date, end_date, selectedCrime, selectedLocation):
# DO STUFF IN THE APP
# only queries with when dates are selected
if start_date and end_date:
# false call to the pull function
cm.database_pull(start_date, end_date, selectedCrime,
selectedLocation, database)
string_prefix = 'You have selected: '
if start_date is not None:
start_date = dt.strptime(start_date.split(' ')[0], '%Y-%m-%d')
start_date_string = start_date.strftime('%B %d, %Y')
string_prefix = string_prefix + 'Start Date: ' + start_date_string + ' | '
if end_date is not None:
end_date = dt.strptime(end_date.split(' ')[0], '%Y-%m-%d')
end_date_string = end_date.strftime('%B %d, %Y')
string_prefix = string_prefix + 'End Date: ' + end_date_string
if len(string_prefix) == len('You have selected: '):
return 'Select a date to see it displayed here', selectedCrime, selectedLocation
else:
return string_prefix, selectedCrime, selectedLocation
dash_duo.start_server(app)
date_picker = dash_duo.driver.find_element_by_xpath(
"// *[ @ id ='my-date-picker-range']/div")
start_input = date_picker.find_element_by_xpath(
"//*[@id='my-date-picker-range']/div/div/div/div[1]/input")
start_input.send_keys("09/11/2019")
end_input = date_picker.find_element_by_xpath(
"//*[@id='my-date-picker-range']/div/div/div/div[3]/input")
end_input.send_keys("10/11/2019")
dash_duo.wait_for_text_to_equal(
"#output-container-date-picker-range",
"You have selected: Start Date: September 11, 2019 | End Date: October 11, 2019",
timeout=5.0)
dash_duo.select_dcc_dropdown("#location-dropdown", index=0)
dash_duo.select_dcc_dropdown("#crime-dropdown", index=0)
assert database.crime_date_queried
assert database.crime_location_queried
assert database.crime_type_queried
def test_system_does_not_update_upon_start_up(dash_duo):
app = Dash(__name__)
app.layout = simple_app_layout()
# sets the initial values to check if system changes them
start = None
end = None
crime = None
location = None
@app.callback([
Output('output-container-date-picker-range', 'children'),
Output("output-1", "children"),
Output("output-2", "children")
], [
Input('my-date-picker-range', 'start_date'),
Input('my-date-picker-range', 'end_date'),
Input("crime-dropdown", "value"),
Input("location-dropdown", "value")
])
def update_graph(start_date, end_date, selectedCrime, selectedLocation):
# DO STUFF IN THE APP
nonlocal start, end, crime, location
start = start_date
end = end_date
crime = selectedCrime
location = selectedLocation
return start_date, selectedCrime, selectedLocation
assert not crime
assert not start
assert not end
assert not location
def test_system_queries_based_on_date_only(dash_duo):
app = Dash(__name__)
app.layout = simple_app_layout()
database = Database.Connection()
@app.callback([
Output('output-container-date-picker-range', 'children'),
Output("output-1", "children"),
Output("output-2", "children")
], [
Input('my-date-picker-range', 'start_date'),
Input('my-date-picker-range', 'end_date'),
Input("crime-dropdown", "value"),
Input("location-dropdown", "value")
])
def update_graph(start_date, end_date, selectedCrime, selectedLocation):
# DO STUFF IN THE APP
# only queries with when dates are selected
if start_date and end_date:
# false call to the pull function
cm.database_pull(start_date, end_date, selectedCrime,
selectedLocation, database)
sentance = str(start_date) + str(end_date)
return sentance, selectedCrime, selectedLocation
# Select an arbitrary date range (Code is tested in unit tests)
dash_duo.start_server(app)
date_picker = dash_duo.driver.find_element_by_xpath(
"// *[ @ id ='my-date-picker-range']/div")
start_input = date_picker.find_element_by_xpath(
"//*[@id='my-date-picker-range']/div/div/div/div[1]/input")
start_input.send_keys("09/11/2019")
end_input = date_picker.find_element_by_xpath(
"//*[@id='my-date-picker-range']/div/div/div/div[3]/input")
end_input.send_keys("10/11/2019")
assert database.crime_date_queried
assert not database.crime_location_queried
assert not database.crime_type_queried