def howfar(request):
request_data = request.json
source = str(request_data.get('source')).strip()
destination = str(request_data.get('destination')).strip()
results = DBSession.query(Journey).filter(
Journey.source.ilike(source),
Journey.destination.ilike(destination))
if results.count():
result = results.one()
distance = result.distance
duration = result.duration
link = result.link
else:
howfar_info = compute_howfar(source=source,
destination=destination)
distance = howfar_info['distance']['text']
duration = howfar_info['duration']['text']
with transaction.manager:
journey = Journey(source=source,
destination=destination,
distance=distance,
duration=duration)
link = journey.link
DBSession.add(journey)
return {'source': source,
'destination': destination,
'result': {'distance': distance,
'duration': duration,
'link': link
}
}
def test_query():
distance_attributes = compute_howfar(source='Delhi', destination='Bangalore')
assert isinstance(distance_attributes, dict)
assert len(distance_attributes) == 3
assert distance_attributes['status'] == 'OK'
assert distance_attributes['distance']
assert distance_attributes['distance']['text']
distance_in_text = distance_attributes['distance']['text']
assert isinstance(distance_in_text, unicode)
assert distance_attributes['distance']['value']
distance_in_value = distance_attributes['distance']['value']
assert isinstance(distance_in_value, int)
assert distance_attributes['duration']
assert distance_attributes['duration']['text']
duration_in_text = distance_attributes['duration']['text']
assert isinstance(duration_in_text, unicode)
assert distance_attributes['duration']['value']
duration_in_value = distance_attributes['duration']['value']
assert isinstance(duration_in_value, int)
