def _tap_detail_post(request, tap):
form = forms.DrinkPostForm(request.POST)
if not form.is_valid():
raise kbapi.BadRequestError, _form_errors(form)
cd = form.cleaned_data
if cd.get('pour_time') and cd.get('now'):
pour_time = datetime.datetime.fromtimestamp(cd.get('pour_time'))
now = datetime.datetime.fromtimestamp(cd.get('now'))
skew = datetime.datetime.now() - now
pour_time += skew
else:
pour_time = None
duration = cd.get('duration')
if duration is None:
duration = 0
b = KegbotBackend(site=request.kbsite)
try:
res = b.RecordDrink(tap_name=tap,
ticks=cd['ticks'],
volume_ml=cd.get('volume_ml'),
username=cd.get('username'),
pour_time=pour_time,
duration=duration,
auth_token=cd.get('auth_token'),
spilled=cd.get('spilled'),
shout=cd.get('shout'))
return protolib.ToProto(res, full=True)
except backend.BackendError, e:
raise kbapi.ServerError(str(e))
class CoreModelsTestCase(unittest.TestCase):
def setUp(self):
models.KegbotSite.objects.filter(name='default').delete()
self.site, created = models.KegbotSite.objects.get_or_create(
name='default')
self.backend = KegbotBackend(site=self.site)
self.brewer = bdb_models.Brewer.objects.create(
name='Moonshine Beers',
country='USA',
origin_state='Anystate',
origin_city='Bathtub',
production='retail',
url='http://example.com/',
description='Pretty bad beers.',
)
self.beer_style = bdb_models.BeerStyle.objects.create(name='Porter', )
self.beer_type = bdb_models.BeerType.objects.create(
name='Moonshine Porter',
brewer=self.brewer,
style=self.beer_style,
calories_oz=3.0,
carbs_oz=10.0,
abv=0.05,
)
self.keg_vol = units.UnitConverter.Convert(2.0, units.UNITS.Liter,
units.RECORD_UNIT)
self.keg_size = models.KegSize.objects.create(
name='Tiny Keg',
volume_ml=self.keg_vol,
)
self.keg = models.Keg.objects.create(
site=self.site,
type=self.beer_type,
size=self.keg_size,
start_time=datetime.datetime(2000, 4, 1),
end_time=datetime.datetime(2000, 5, 1),
status='online',
description='Our first keg!',
origcost=99.0,
)
self.tap = models.KegTap.objects.create(
site=self.site,
name='Test Tap',
meter_name='test',
ml_per_tick=(1000.0 / 2200.0),
current_keg=self.keg,
)
self.user = models.User.objects.create(username='******', )
self.user2 = models.User.objects.create(username='******', )
def tearDown(self):
self.user.delete()
self.user2.delete()
self.keg.delete()
del self.keg_vol
self.beer_type.delete()
self.beer_style.delete()
self.brewer.delete()
def testKegStuff(self):
"""Test basic keg relations that should always work."""
self.assertEqual(
self.keg.size.volume_ml,
units.Quantity(2.0, units.UNITS.Liter).InMilliliters())
self.assertEqual(self.keg.type.brewer.name, "Moonshine Beers")
self.assertEqual(self.keg.served_volume(), 0.0)
self.assertEqual(self.keg.remaining_volume(), self.keg_vol)
def testDrinkAccounting(self):
vol = units.Quantity(1200)
d = self.backend.RecordDrink(
tap_name=self.tap.meter_name,
ticks=1200,
username=self.user.username,
)
print d
self.assertEqual(self.keg.served_volume(), d.volume_ml)
def testDrinkSessions(self):
""" Checks for the DrinkingSession records. """
u1 = self.user
u2 = self.user2
vol = units.Quantity(1200)
drinks = {}
base_time = datetime.datetime(2009, 1, 1, 1, 0, 0)
ticks = volume = vol.InKbMeterTicks()
td_10m = datetime.timedelta(minutes=10)
td_200m = datetime.timedelta(minutes=200)
td_190m = td_200m - td_10m
self.assertEqual(models.Drink.objects.all().count(), 0)
self.assertEqual(models.DrinkingSession.objects.all().count(), 0)
### User 1
# t=0
print self.backend.RecordDrink(
tap_name=self.tap.meter_name,
ticks=1200,
username=u1.username,
pour_time=base_time,
)
# t=10
print self.backend.RecordDrink(
tap_name=self.tap.meter_name,
ticks=1200,
username=u1.username,
pour_time=base_time + td_10m,
)
# t=200
print self.backend.RecordDrink(
tap_name=self.tap.meter_name,
ticks=1200,
username=u1.username,
pour_time=base_time + td_200m,
)
drinks_u1 = u1.drinks.all().order_by('time')
### User 2
# t=0
print self.backend.RecordDrink(
tap_name=self.tap.meter_name,
ticks=1200,
username=u2.username,
pour_time=base_time,
)
# t=200
print self.backend.RecordDrink(
tap_name=self.tap.meter_name,
ticks=1200,
username=u2.username,
pour_time=base_time + td_200m,
)
# t=190
print self.backend.RecordDrink(
tap_name=self.tap.meter_name,
ticks=1200,
username=u2.username,
pour_time=base_time + td_190m,
)
drinks_u2 = u2.drinks.all().order_by('time')
u1_chunks = u1.session_chunks.all().order_by('start_time')
self.assertEqual(len(u1_chunks), 2)
u2_chunks = u2.session_chunks.all().order_by('start_time')
self.assertEqual(len(u2_chunks), 2)
s1, s2 = models.DrinkingSession.objects.all().order_by(
'start_time')[:2]
SESSION_DELTA = datetime.timedelta(
minutes=kb_common.DRINK_SESSION_TIME_MINUTES)
# session 1: should be 10 minutes long as created above
self.assertEqual(s1.start_time, drinks_u1[0].start_time)
self.assertEqual(s1.start_time, drinks_u1[1].end_time)
self.assertEqual(s1.drinks.valid().filter(user=u1).count(), 2)
self.assertEqual(s1.drinks.valid().filter(user=u2).count(), 1)
# session 2: at time 200, 1 drink
self.assertEqual(s2.start_time, base_time + td_190m)
self.assertEqual(s2.end_time, base_time + td_200m)
self.assertEqual(s2.drinks.valid().filter(user=u1).count(), 1)
self.assertEqual(s2.drinks.valid().filter(user=u2).count(), 2)
# user2 session2: drinks are added out of order to create this, ensure times
# match
u2_c2 = u2_chunks[1]
self.assertEqual(u2_c2.start_time, base_time + td_190m)
self.assertEqual(u2_c2.end_time, base_time + td_200m)
# Now check DrinkingSessions were created correctly; there should be
# two groups capturing all 4 sessions.
all_groups = models.DrinkingSession.objects.all().order_by(
'start_time')
self.assertEqual(len(all_groups), 2)
self.assertEqual(all_groups[0].start_time, base_time)
self.assertEqual(all_groups[0].end_time, base_time + td_10m)
self.assertEqual(all_groups[0].user_chunks.all().count(), 2)
self.assertEqual(all_groups[1].start_time, base_time + td_190m)
self.assertEqual(all_groups[1].end_time, base_time + td_200m)
self.assertEqual(all_groups[1].user_chunks.all().count(), 2)
class StatsTestCase(unittest.TestCase):
def setUp(self):
self.site, created = models.KegbotSite.objects.get_or_create(
name='default')
self.backend = KegbotBackend(site=self.site)
test_usernames = ('user1', 'user2', 'user3')
self.users = [
self.backend.CreateNewUser(name) for name in test_usernames
]
self.taps = [
self.backend.CreateTap('tap1',
'kegboard.flow0',
ml_per_tick=1 / 2200.0),
self.backend.CreateTap('tap2',
'kegboard.flow1',
ml_per_tick=1 / 2200.0),
]
#self.drinks = []
#for user in self.users:
# for amt in (100, 200, 300):
# d = self.backend.RecordDrink('kegboard.flow0', ticks=amt,
# volume_ml=amt, username=user.username, do_postprocess=False)
# self.drinks.append(d)
def assertProtosEqual(self, expected, actual):
d1 = ProtoMessageToDict(expected)
d2 = ProtoMessageToDict(actual)
msg = ''
for k, v in d1.iteritems():
if k not in d2:
msg += 'Value for %s not present in actual. \n' % k
elif v != d2[k]:
msg += 'Values for %s differ: expected "%s", actual "%s". \n' % (
k, v, d2[k])
for k, v in d2.iteritems():
if k not in d1:
msg += 'Value for %s not present in expected. \n' % k
if msg:
self.fail(msg)
def _getEmptyStats(self):
s = models_pb2.Stats()
s.last_drink_id = 0
s.total_volume_ml = 0.0
s.total_pours = 0
s.average_volume_ml = 0.0
s.greatest_volume_ml = 0.0
s.greatest_volume_id = 0
return s
def testStuff(self):
builder = stats.SystemStatsBuilder(None)
empty_stats = models_pb2.Stats()
system_stats_d0 = builder.Build()
self.assertEquals(empty_stats, system_stats_d0)
# Record a new drink and verify stats.
pour_time = datetime.datetime(2011, 05, 01, 12, 00)
self.backend.RecordDrink('kegboard.flow0',
ticks=100,
volume_ml=100,
username='******',
pour_time=pour_time,
do_postprocess=False)
drink1 = models.Drink.objects.get(seqn=1)
expected = self._getEmptyStats()
expected.last_drink_id = 1
expected.total_volume_ml = 100.0
expected.total_pours = 1
expected.average_volume_ml = 100.0
expected.greatest_volume_ml = 100.0
expected.greatest_volume_id = 1
expected.has_guest_pour = False
d = expected.volume_by_day_of_week.add()
d.weekday = "0" # Sunday
d.volume_ml = 100
u = expected.volume_by_drinker.add()
u.username = "******"
u.volume_ml = 100
y = expected.volume_by_year.add()
y.year = 2011
y.volume_ml = 100
expected.registered_drinkers.append("user1")
expected.sessions_count = 1
system_stats_d1 = stats.SystemStatsBuilder(drink1).Build()
self.assertProtosEqual(expected, system_stats_d1)
# Pour another drink
self.backend.RecordDrink('kegboard.flow0',
ticks=200,
volume_ml=200,
username='******',
pour_time=pour_time,
do_postprocess=False)
drink2 = models.Drink.objects.get(seqn=2)
# Adjust stats
expected.last_drink_id = 2
expected.total_volume_ml = 300.0
expected.total_pours = 2
expected.average_volume_ml = 150.0
expected.greatest_volume_ml = 200.0
expected.greatest_volume_id = 2
d = expected.volume_by_day_of_week[0]
d.volume_ml += 200
u = expected.volume_by_drinker[0]
u.volume_ml += 200
y = expected.volume_by_year[0]
y.volume_ml += 200
system_stats_d2 = stats.SystemStatsBuilder(drink2).Build()
self.assertProtosEqual(expected, system_stats_d2)
# Build the same stats incrementally and verify identical result.
system_stats_d2_inc = stats.SystemStatsBuilder(
drink2, system_stats_d1).Build()
self.assertProtosEqual(system_stats_d2, system_stats_d2_inc)