def test_from_dictionary(self):
dict1 = {"coord": {"lon": -0.12574, "lat": 51.50853}, "id": 2643743,
"name": "London", "cnt": 9}
dict2 = {"city": {"coord": {"lat": 51.50853, "lon": -0.125739},
"country": "GB", "id": 2643743, "name": "London",
"population": 1000000}
}
dict3 = {"station":{"coord":{"lon":-90.47,"lat":39.38}}}
result1 = location_from_dictionary(dict1)
result2 = location_from_dictionary(dict2)
result3 = location_from_dictionary(dict3)
self.assertTrue(isinstance(result1, Location))
self.assertTrue(isinstance(result2, Location))
self.assertFalse(result1.get_country() is not None)
self.assertTrue(result1.get_ID() is not None)
self.assertTrue(result1.get_lat() is not None)
self.assertTrue(result1.get_lon() is not None)
self.assertTrue(result1.get_name() is not None)
self.assertTrue(result2.get_country() is not None)
self.assertTrue(result2.get_ID() is not None)
self.assertTrue(result2.get_lat() is not None)
self.assertTrue(result2.get_lon() is not None)
self.assertTrue(result2.get_name() is not None)
self.assertTrue(result3.get_lat() is not None)
self.assertTrue(result3.get_lon() is not None)
self.assertTrue(result3.get_country() is None)
self.assertTrue(result3.get_name() is None)
self.assertTrue(result3.get_ID() is None)
def test_from_dictionary(self):
dict1 = {"coord": {"lon": -0.12574, "lat": 51.50853}, "id": 2643743,
"name": "London", "cnt": 9}
dict2 = {"city": {"coord": {"lat": 51.50853, "lon": -0.125739},
"country": "GB", "id": 2643743, "name": "London",
"population": 1000000}
}
dict3 = {"station":{"coord":{"lon":-90.47,"lat":39.38}}}
result1 = location_from_dictionary(dict1)
result2 = location_from_dictionary(dict2)
result3 = location_from_dictionary(dict3)
self.assertTrue(isinstance(result1, Location))
self.assertTrue(isinstance(result2, Location))
self.assertFalse(result1.get_country() is not None)
self.assertTrue(result1.get_ID() is not None)
self.assertTrue(result1.get_lat() is not None)
self.assertTrue(result1.get_lon() is not None)
self.assertTrue(result1.get_name() is not None)
self.assertTrue(result2.get_country() is not None)
self.assertTrue(result2.get_ID() is not None)
self.assertTrue(result2.get_lat() is not None)
self.assertTrue(result2.get_lon() is not None)
self.assertTrue(result2.get_name() is not None)
self.assertTrue(result3.get_lat() is not None)
self.assertTrue(result3.get_lon() is not None)
self.assertTrue(result3.get_country() is None)
self.assertTrue(result3.get_name() is None)
self.assertTrue(result3.get_ID() is None)
def parse_JSON(self, JSON_string):
"""
Parses a *Forecast* instance out of raw JSON data. Only certain
properties of the data are used: if these properties are not found or
cannot be parsed, an error is issued.
:param JSON_string: a raw JSON string
:type JSON_string: str
:returns: a *Forecast* instance or ``None`` if no data is available
:raises: *ParseResponseError* if it is impossible to find or parse the
data needed to build the result, *APIResponseError* if the JSON
string embeds an HTTP status error (this is an OWM web API 2.5 bug)
"""
if JSON_string is None:
raise parse_response_error.ParseResponseError('JSON data is None')
d = json.loads(JSON_string)
# Check if server returned errors: this check overcomes the lack of use
# of HTTP error status codes by the OWM API 2.5. This mechanism is
# supposed to be deprecated as soon as the API fully adopts HTTP for
# conveying errors to the clients
if 'message' in d and 'cod' in d:
if d['cod'] == "404":
print(
"OWM API: data not found - response payload: " +
json.dumps(d), d['cod'])
return None
elif d['cod'] != "200":
raise api_response_error.APIResponseError(
"OWM API: error - response payload: " + json.dumps(d),
d['cod'])
try:
place = location.location_from_dictionary(d)
except KeyError:
raise parse_response_error.ParseResponseError(''.join([
__name__, ': impossible to read location info from JSON data'
]))
# Handle the case when no results are found
if 'count' in d and d['count'] == "0":
weathers = []
elif 'cnt' in d and d['cnt'] == 0:
weathers = []
else:
if 'list' in d:
try:
weathers = [weather.weather_from_dictionary(item) \
for item in d['list']]
except KeyError:
raise parse_response_error.ParseResponseError(
''.join([__name__, ': impossible to read weather ' \
'info from JSON data'])
)
else:
raise parse_response_error.ParseResponseError(
''.join([__name__, ': impossible to read weather ' \
'list from JSON data'])
)
current_time = int(round(time.time()))
return forecast.Forecast(None, current_time, place, weathers)
def test_from_dictionary_holds_the_lack_of_geocoords(self):
dict1 = {"station": {"coord": {}}}
dict2 = {"coord": {}}
result1 = location_from_dictionary(dict1)
self.assertTrue(isinstance(result1, Location))
self.assertEqual(result1.get_lat(), 0.0)
self.assertEqual(result1.get_lon(), 0.0)
self.assertTrue(result1.get_country() is None)
self.assertTrue(result1.get_name() is None)
self.assertTrue(result1.get_ID() is None)
result2 = location_from_dictionary(dict2)
self.assertTrue(isinstance(result2, Location))
self.assertEqual(result2.get_lat(), 0.0)
self.assertEqual(result2.get_lon(), 0.0)
self.assertTrue(result2.get_country() is None)
self.assertTrue(result2.get_name() is None)
self.assertTrue(result2.get_ID() is None)
def parse_JSON(self, JSON_string):
"""
Parses a *Forecast* instance out of raw JSON data. Only certain
properties of the data are used: if these properties are not found or
cannot be parsed, an error is issued.
:param JSON_string: a raw JSON string
:type JSON_string: str
:returns: a *Forecast* instance or ``None`` if no data is available
:raises: *ParseResponseError* if it is impossible to find or parse the
data needed to build the result, *APIResponseError* if the JSON
string embeds an HTTP status error (this is an OWM web API 2.5 bug)
"""
if JSON_string is None:
raise parse_response_error.ParseResponseError('JSON data is None')
d = json.loads(JSON_string)
# Check if server returned errors: this check overcomes the lack of use
# of HTTP error status codes by the OWM API 2.5. This mechanism is
# supposed to be deprecated as soon as the API fully adopts HTTP for
# conveying errors to the clients
if 'message' in d and 'cod' in d:
if d['cod'] == "404":
print("OWM API: data not found - response payload: " + \
json.dumps(d))
return None
elif d['cod'] != "200":
raise api_response_error.APIResponseError("OWM API: error " \
" - response payload: " + json.dumps(d))
try:
place = location.location_from_dictionary(d)
except KeyError:
raise parse_response_error.ParseResponseError(''.join([__name__,
': impossible to read location info from JSON data']))
# Handle the case when no results are found
if 'count' in d and d['count'] == "0":
weathers = []
elif 'cnt' in d and d['cnt'] == 0:
weathers = []
else:
if 'list' in d:
try:
weathers = [weather.weather_from_dictionary(item) \
for item in d['list']]
except KeyError:
raise parse_response_error.ParseResponseError(
''.join([__name__, ': impossible to read weather ' \
'info from JSON data'])
)
else:
raise parse_response_error.ParseResponseError(
''.join([__name__, ': impossible to read weather ' \
'list from JSON data'])
)
current_time = int(round(time.time()))
return forecast.Forecast(None, current_time, place, weathers)
def parse_JSON(self, JSON_string):
"""
Parses an *Observation* instance out of raw JSON data. Only certain
properties of the data are used: if these properties are not found or
cannot be parsed, an error is issued.
:param JSON_string: a raw JSON string
:type JSON_string: str
:returns: an *Observation* instance or ``None`` if no data is available
:raises: *ParseResponseError* if it is impossible to find or parse the
data needed to build the result, *APIResponseError* if the JSON
string embeds an HTTP status error (this is an OWM web API 2.5 bug)
"""
if JSON_string is None:
raise parse_response_error.ParseResponseError('JSON data is None')
d = loads(JSON_string)
# Check if server returned errors: this check overcomes the lack of use
# of HTTP error status codes by the OWM API 2.5. This mechanism is
# supposed to be deprecated as soon as the API fully adopts HTTP for
# conveying errors to the clients
if 'message' in d and 'cod' in d:
if d['cod'] == "404":
print("OWM API: observation data not available - response " \
"payload: " + dumps(d))
return None
else:
raise api_response_error.APIResponseError(
"OWM API: error - response payload: " + \
dumps(d))
try:
place = location.location_from_dictionary(d)
except KeyError:
raise parse_response_error.ParseResponseError(
''.join([__name__, ': impossible to ' \
'read location info from JSON data']))
try:
w = weather.weather_from_dictionary(d)
except KeyError:
raise parse_response_error.ParseResponseError(
''.join([__name__, ': impossible to ' \
'read weather info from JSON data']))
current_time = int(round(time()))
return observation.Observation(current_time, place, w)
def parse_JSON(self, JSON_string):
"""
Parses an *Observation* instance out of raw JSON data. Only certain
properties of the data are used: if these properties are not found or
cannot be parsed, an error is issued.
:param JSON_string: a raw JSON string
:type JSON_string: str
:returns: an *Observation* instance or ``None`` if no data is available
:raises: *ParseResponseError* if it is impossible to find or parse the
data needed to build the result, *APIResponseError* if the JSON
string embeds an HTTP status error (this is an OWM web API 2.5 bug)
"""
if JSON_string is None:
raise parse_response_error.ParseResponseError('JSON data is None')
d = loads(JSON_string)
# Check if server returned errors: this check overcomes the lack of use
# of HTTP error status codes by the OWM API 2.5. This mechanism is
# supposed to be deprecated as soon as the API fully adopts HTTP for
# conveying errors to the clients
if 'message' in d and 'cod' in d:
if d['cod'] == "404":
print("OWM API: observation data not available - response " \
"payload: " + dumps(d))
return None
else:
raise api_response_error.APIResponseError(
"OWM API: error - response payload: " + \
dumps(d))
try:
place = location.location_from_dictionary(d)
except KeyError:
raise parse_response_error.ParseResponseError(
''.join([__name__, ': impossible to ' \
'read location info from JSON data']))
try:
w = weather.weather_from_dictionary(d)
except KeyError:
raise parse_response_error.ParseResponseError(
''.join([__name__, ': impossible to ' \
'read weather info from JSON data']))
current_time = int(round(time()))
return observation.Observation(current_time, place, w)