django-eav2/tests/queries.py
2019-02-01 20:38:41 +01:00

200 lines
6.8 KiB
Python

from django.core.exceptions import MultipleObjectsReturned, ObjectDoesNotExist
from django.db.models import Q
from django.db.utils import NotSupportedError
from django.test import TestCase
import eav
from eav.models import Attribute, EnumGroup, EnumValue, Value
from eav.registry import EavConfig
from .models import Encounter, Patient
class Queries(TestCase):
def setUp(self):
eav.register(Encounter)
eav.register(Patient)
Attribute.objects.create(name='age', datatype=Attribute.TYPE_INT)
Attribute.objects.create(name='height', datatype=Attribute.TYPE_FLOAT)
Attribute.objects.create(name='weight', datatype=Attribute.TYPE_FLOAT)
Attribute.objects.create(name='city', datatype=Attribute.TYPE_TEXT)
Attribute.objects.create(name='country', datatype=Attribute.TYPE_TEXT)
self.yes = EnumValue.objects.create(value='yes')
self.no = EnumValue.objects.create(value='no')
self.unknown = EnumValue.objects.create(value='unknown')
ynu = EnumGroup.objects.create(name='Yes / No / Unknown')
ynu.values.add(self.yes)
ynu.values.add(self.no)
ynu.values.add(self.unknown)
Attribute.objects.create(name='fever', datatype=Attribute.TYPE_ENUM, enum_group=ynu)
def tearDown(self):
eav.unregister(Encounter)
eav.unregister(Patient)
def init_data(self):
yes = self.yes
no = self.no
data = [
# Name, age, fever, city, country.
['Anne', 3, no, 'New York', 'USA'],
['Bob', 15, no, 'Bamako', 'Mali'],
['Cyrill', 15, yes, 'Kisumu', 'Kenya'],
['Daniel', 3, no, 'Nice', 'France'],
['Eugene', 2, yes, 'France', 'Nice']
]
for row in data:
Patient.objects.create(
name=row[0],
eav__age=row[1],
eav__fever=row[2],
eav__city=row[3],
eav__country=row[4]
)
def test_get_or_create_with_eav(self):
Patient.objects.get_or_create(name='Bob', eav__age=5)
self.assertEqual(Patient.objects.count(), 1)
self.assertEqual(Value.objects.count(), 1)
Patient.objects.get_or_create(name='Bob', eav__age=5)
self.assertEqual(Patient.objects.count(), 1)
self.assertEqual(Value.objects.count(), 1)
Patient.objects.get_or_create(name='Bob', eav__age=6)
self.assertEqual(Patient.objects.count(), 2)
self.assertEqual(Value.objects.count(), 2)
def test_get_with_eav(self):
p1, _ = Patient.objects.get_or_create(name='Bob', eav__age=6)
self.assertEqual(Patient.objects.get(eav__age=6), p1)
Patient.objects.create(name='Fred', eav__age=6)
self.assertRaises(MultipleObjectsReturned, lambda: Patient.objects.get(eav__age=6))
def test_filtering_on_normal_and_eav_fields(self):
self.init_data()
# Check number of objects in DB.
self.assertEqual(Patient.objects.count(), 5)
self.assertEqual(Value.objects.count(), 20)
# Nobody
q1 = Q(eav__fever=self.yes) & Q(eav__fever=self.no)
p = Patient.objects.filter(q1)
self.assertEqual(p.count(), 0)
# Anne, Daniel
q1 = Q(eav__age__gte=3) # Everyone except Eugene
q2 = Q(eav__age__lt=15) # Anne, Daniel, Eugene
p = Patient.objects.filter(q2 & q1)
self.assertEqual(p.count(), 2)
# Anne
q1 = Q(eav__city__contains='Y') & Q(eav__fever=self.no)
q2 = Q(eav__age=3)
p = Patient.objects.filter(q1 & q2)
self.assertEqual(p.count(), 1)
# Anne, Daniel
q1 = Q(eav__city__contains='Y', eav__fever=self.no)
q2 = Q(eav__city='Nice')
q3 = Q(eav__age=3)
p = Patient.objects.filter((q1 | q2) & q3)
self.assertEqual(p.count(), 2)
# Everyone
q1 = Q(eav__fever=self.no) | Q(eav__fever=self.yes)
p = Patient.objects.filter(q1)
self.assertEqual(p.count(), 5)
# Anne, Bob, Daniel
q1 = Q(eav__fever=self.no) # Anne, Bob, Daniel
q2 = Q(eav__fever=self.yes) # Cyrill, Eugene
q3 = Q(eav__country__contains='e') # Cyrill, Daniel, Eugene
q4 = q2 & q3 # Cyrill, Daniel, Eugene
q5 = (q1 | q4) & q1 # Anne, Bob, Daniel
p = Patient.objects.filter(q5)
self.assertEqual(p.count(), 3)
# Everyone except Anne
q1 = Q(eav__city__contains='Y')
p = Patient.objects.exclude(q1)
self.assertEqual(p.count(), 4)
# Anne, Bob, Daniel
q1 = Q(eav__city__contains='Y')
q2 = Q(eav__fever=self.no)
q3 = q1 | q2
p = Patient.objects.filter(q3)
self.assertEqual(p.count(), 3)
# Anne, Daniel
q1 = Q(eav__age=3)
p = Patient.objects.filter(q1)
self.assertEqual(p.count(), 2)
# Eugene
q1 = Q(name__contains='E', eav__fever=self.yes)
p = Patient.objects.filter(q1)
self.assertEqual(p.count(), 1)
def _order(self, ordering):
query = Patient.objects.all().order_by(*ordering)
return list(query.values_list('name', flat=True))
def assert_order_by_results(self, eav_attr='eav'):
self.assertEqual(
['Bob', 'Eugene', 'Cyrill', 'Anne', 'Daniel'],
self._order(['%s__city' % eav_attr])
)
self.assertEqual(
['Eugene', 'Anne', 'Daniel', 'Bob', 'Cyrill'],
self._order(['%s__age' % eav_attr, '%s__city' % eav_attr])
)
self.assertEqual(
['Eugene', 'Cyrill', 'Anne', 'Daniel', 'Bob'],
self._order(['%s__fever' % eav_attr, '%s__age' % eav_attr])
)
self.assertEqual(
['Eugene', 'Cyrill', 'Daniel', 'Bob', 'Anne'],
self._order(['%s__fever' % eav_attr, '-name'])
)
self.assertEqual(
['Eugene', 'Daniel', 'Cyrill', 'Bob', 'Anne'],
self._order(['-name', '%s__age' % eav_attr])
)
self.assertEqual(
['Anne', 'Bob', 'Cyrill', 'Daniel', 'Eugene'],
self._order(['example__name'])
)
with self.assertRaises(NotSupportedError):
Patient.objects.all().order_by('%s__first__second' % eav_attr)
with self.assertRaises(ObjectDoesNotExist):
Patient.objects.all().order_by('%s__nonsense' % eav_attr)
def test_order_by(self):
self.init_data()
self.assert_order_by_results()
def test_order_by_with_custom_config(self):
class CustomConfig(EavConfig):
eav_attr = "data"
generic_relation_attr = "data_values"
self.init_data()
eav.unregister(Patient)
eav.register(Patient, config_cls=CustomConfig)
self.assert_order_by_results(eav_attr='data')