data WeatherForecastListingXml =
WeatherForecastListingXml {
xml_teams :: String,
- xml_weather :: String }
+ xml_weather :: Maybe String }
deriving (Eq, Show)
db_weather_forecasts_id :: DefaultKey WeatherForecast,
db_league_name :: Maybe String,
db_teams :: String,
- db_weather :: String }
+ db_weather :: Maybe String }
-- | We don't make 'WeatherForecastListingXml' an instance of
db_away_team :: String,
db_home_team :: String,
db_weather_type :: Int,
- db_description :: String,
+ db_description :: Maybe String,
db_temp_adjust :: Maybe String,
db_temperature :: Int }
xml_away_team :: String,
xml_home_team :: String,
xml_weather_type :: Int,
- xml_description :: String,
+ xml_description :: Maybe String,
xml_temp_adjust :: Maybe String,
xml_temperature :: Int }
deriving (Eq, Show)
xpWrap (from_pair, to_pair) $
xpPair
(xpElem "teams" xpText)
- (xpElem "weather" xpText)
+ (xpElem "weather" (xpOption xpText))
where
+-- from_pair (ts, Nothing) = WeatherForecastListingXml ts (Just "")
from_pair = uncurry WeatherForecastListingXml
to_pair WeatherForecastListingXml{..} = (xml_teams, xml_weather)
(xpElem "AwayTeam" xpText)
(xpElem "HomeTeam" xpText)
(xpElem "WeatherType" xpInt)
- (xpElem "Description" xpText)
+ (xpElem "Description" (xpOption xpText))
(xpElem "TempAdjust" (xpOption xpText))
(xpElem "Temperature" xpInt)
where
[ check "unpickling succeeds"
"test/xml/weatherxml.xml",
check "unpickling succeeds (detailed)"
- "test/xml/weatherxml-detailed.xml" ]
+ "test/xml/weatherxml-detailed.xml",
+ check "unpickling succeeds (empty weather)"
+ "test/xml/weatherxml-empty-weather.xml"]
where
check desc path = testCase desc $ do
actual <- unpickleable path pickle_message
[ check "deleting weather deletes its children"
"test/xml/weatherxml.xml",
check "deleting weather deletes its children (detailed)"
- "test/xml/weatherxml-detailed.xml" ]
+ "test/xml/weatherxml-detailed.xml",
+ check "deleting weather deletes its children (empty weather)"
+ "test/xml/weatherxml-empty-weather.xml"]
where
check desc path = testCase desc $ do
weather <- unsafe_unpickle path pickle_message
check "test/xml/weatherxml-detailed.xml"
"first type detected correctly (detailed)"
True,
+ check "test/xml/weatherxml-empty-weather.xml"
+ "first type detected correctly (empty weather)"
+ True,
check "test/xml/weatherxml-type2.xml"
"second type detected correctly"
False ]