def test_convert_to_cereal_raises(self):
grain_add = GrainAddition(pale_lme,
weight=1.0,
grain_type=GRAIN_TYPE_LME)
with self.assertRaises(GrainException) as ctx:
grain_add.convert_to_cereal(brew_house_yield=BHY)
self.assertEquals(str(ctx.exception),
u'Must provide PPG to convert to cereal')
def test_convert_to_dme(self):
grain_add = GrainAddition(pale_dme,
weight=1.0,
grain_type=GRAIN_TYPE_DME)
ga_cereal = grain_add.convert_to_cereal(ppg=ppg_pale,
brew_house_yield=BHY)
ga_lme = grain_add.convert_to_lme(ppg=PPG_LME, brew_house_yield=BHY)
ga_dme = grain_add.convert_to_dme(ppg=PPG_DME, brew_house_yield=BHY)
self.assertEquals(round(ga_cereal.weight, 2), 1.7)
self.assertEquals(round(ga_lme.weight, 2), 1.22)
self.assertEquals(ga_dme.weight, 1.0)
