def test_get_time_series_mongo(self):
'''
End to end test of the following functions
get_from_cache
get_time_series
clear_cache
'''
symbol = 'TGTT'
loader = 'download_mock_series'
loader_args = {
'symbol': symbol,
'start': datetime.datetime(2012, 11, 11),
'end': datetime.datetime(2013, 11, 11)
}
# Check we can load a db client instance
db_client = data_retrieval.get_db()
self.assertIsNotNone(db_client)
# Check the id is not in the db to start with
id = data_retrieval.get_id(loader, loader_args)
if id is not None:
db_client.remove(loader, loader_args)
id = data_retrieval.get_id(loader, loader_args)
self.assertIsNone(id)
# Retrieve the series
result = data_retrieval.get_time_series(loader, loader_args)
# Check the id now exists in the db
id = data_retrieval.get_id(loader, loader_args)
self.assertIsNotNone(id)
self.cache_id = id
# Check the contents look ok: expect that the loader args are set
# as metadata on the time series, but check
# data_loader.download_mock_series for how the test result is
# actually created
self.assertEqual(loader_args,
result[symbol][data_loader.METADATA])
# Check we can now retrieve the id from the cache
cached_result = data_retrieval.get_from_cache(id)
self.assertEqual(loader_args,
cached_result[symbol][data_loader.METADATA])
# Remove it from the cache
data_retrieval.clear_cache(id)
# Check it's gone from the cache...
self.assertFalse(data_retrieval.get_from_cache(id))
# ... and the db
db_client.remove(loader, loader_args)
id = data_retrieval.get_id(loader, loader_args)
self.assertIsNone(id)
def test_get_time_series(self):
'''
End to end test of the following functions
get_from_cache
get_time_series
clear_cache
'''
symbol = 'TGTT'
loader = 'download_mock_series'
loader_args = {
'symbol': symbol,
'start': datetime.datetime(2012, 11, 11),
'end': datetime.datetime(2013, 11, 11)
}
# Get the id used to store the file in the cache and assign it
# so we can delete it in tearDown
id = data_retrieval.get_id(loader, loader_args)
self.cache_id = id
# Check the item isn't in the cache to start with
# If the test fails here, just delete the file in the cache folder
self.assertFalse(data_retrieval.get_from_cache(id))
# Retrieve the series
result = data_retrieval.get_time_series(loader, loader_args)
# Check the contents look ok: expect that the loader args are set
# as metadata on the time series, but check
# data_loader.download_mock_series for how the test result is
# actually created
self.assertEqual(loader_args,
result[symbol][data_loader.METADATA])
# Check we can now retrieve the id from the cache
cached_result = data_retrieval.get_from_cache(id)
self.assertEqual(loader_args,
cached_result[symbol][data_loader.METADATA])
# Remove it from the cache
data_retrieval.clear_cache(id)
# Check it's gone
self.assertFalse(data_retrieval.get_from_cache(id))
def get_equity_ts(symbol, field, start_date, end_date):
loader = 'download_bbg_timeseries';
loader_args = {
'symbol': symbol + ' Equity',
'start': start_date,
'end': end_date,
'field': field
}
equ_ts = data_retrieval.get_from_cache(loader, loader_args)
return equ_ts
