mirror of
https://github.com/jazzband/django-eav2.git
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2b6f470fa7
* Add debug Q-expr print function * Change old __unicode__ methods to __str__ format * Move __unicode__ methods to __str__ * Rewrite AND Q-expressions to safe form * Make Q-expr debug print method use nicer format * Document rewrite_q_expr function * Rewrite/improve queries' test * Document some more code * Reorganize and document queryset module * Add more tests for queries * Use generic relation attribute instead instead of 'eav_values' * Update docstring * Fix a typo * Move up a variable * Rename a function * Check if 'in' filter rhs is not a QuerySet * Add newline to the end of file * Fix typo; tweak docstring
141 lines
5 KiB
Python
141 lines
5 KiB
Python
from django.contrib.auth.models import User
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from django.core.exceptions import MultipleObjectsReturned
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from django.db.models import Q
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from django.test import TestCase
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import eav
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from eav.models import Attribute, EnumGroup, EnumValue, Value
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from eav.registry import EavConfig
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from .models import Encounter, ExampleModel, Patient
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class Queries(TestCase):
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def setUp(self):
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eav.register(Encounter)
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eav.register(Patient)
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Attribute.objects.create(name='age', datatype=Attribute.TYPE_INT)
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Attribute.objects.create(name='height', datatype=Attribute.TYPE_FLOAT)
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Attribute.objects.create(name='weight', datatype=Attribute.TYPE_FLOAT)
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Attribute.objects.create(name='city', datatype=Attribute.TYPE_TEXT)
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Attribute.objects.create(name='country', datatype=Attribute.TYPE_TEXT)
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self.yes = EnumValue.objects.create(value='yes')
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self.no = EnumValue.objects.create(value='no')
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self.unknown = EnumValue.objects.create(value='unknown')
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ynu = EnumGroup.objects.create(name='Yes / No / Unknown')
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ynu.enums.add(self.yes)
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ynu.enums.add(self.no)
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ynu.enums.add(self.unknown)
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Attribute.objects.create(name='fever', datatype=Attribute.TYPE_ENUM, enum_group=ynu)
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def tearDown(self):
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eav.unregister(Encounter)
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eav.unregister(Patient)
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def test_get_or_create_with_eav(self):
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p = Patient.objects.get_or_create(name='Bob', eav__age=5)
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self.assertEqual(Patient.objects.count(), 1)
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self.assertEqual(Value.objects.count(), 1)
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p = Patient.objects.get_or_create(name='Bob', eav__age=5)
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self.assertEqual(Patient.objects.count(), 1)
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self.assertEqual(Value.objects.count(), 1)
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p = Patient.objects.get_or_create(name='Bob', eav__age=6)
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self.assertEqual(Patient.objects.count(), 2)
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self.assertEqual(Value.objects.count(), 2)
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def test_get_with_eav(self):
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p1, _ = Patient.objects.get_or_create(name='Bob', eav__age=6)
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self.assertEqual(Patient.objects.get(eav__age=6), p1)
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p2, _ = Patient.objects.get_or_create(name='Fred', eav__age=6)
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self.assertRaises(MultipleObjectsReturned, lambda: Patient.objects.get(eav__age=6))
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def test_filtering_on_normal_and_eav_fields(self):
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yes = self.yes
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no = self.no
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data = [
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# Name, age, fever, city, country.
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['Anne', 3, no, 'New York', 'USA'],
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['Bob', 15, no, 'Bamako', 'Mali'],
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['Cyrill', 15, yes, 'Kisumu', 'Kenya'],
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['Daniel', 3, no, 'Nice', 'France'],
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['Eugene', 2, yes, 'France', 'Nice']
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]
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for row in data:
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Patient.objects.create(
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name=row[0],
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eav__age=row[1],
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eav__fever=row[2],
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eav__city=row[3],
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eav__country=row[4]
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)
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# Check number of objects in DB.
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self.assertEqual(Patient.objects.count(), 5)
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self.assertEqual(Value.objects.count(), 20)
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# Nobody
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q1 = Q(eav__fever=yes) & Q(eav__fever=no)
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p = Patient.objects.filter(q1)
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self.assertEqual(p.count(), 0)
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# Anne, Daniel
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q1 = Q(eav__age__gte=3) # Everyone except Eugene
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q2 = Q(eav__age__lt=15) # Anne, Daniel, Eugene
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p = Patient.objects.filter(q2 & q1)
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self.assertEqual(p.count(), 2)
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# Anne
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q1 = Q(eav__city__contains='Y') & Q(eav__fever=no)
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q2 = Q(eav__age=3)
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p = Patient.objects.filter(q1 & q2)
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self.assertEqual(p.count(), 1)
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# Anne, Daniel
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q1 = Q(eav__city__contains='Y', eav__fever=no)
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q2 = Q(eav__city='Nice')
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q3 = Q(eav__age=3)
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p = Patient.objects.filter((q1 | q2) & q3)
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self.assertEqual(p.count(), 2)
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# Everyone
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q1 = Q(eav__fever=no) | Q(eav__fever=yes)
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p = Patient.objects.filter(q1)
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self.assertEqual(p.count(), 5)
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# Anne, Bob, Daniel
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q1 = Q(eav__fever=no) # Anne, Bob, Daniel
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q2 = Q(eav__fever=yes) # Cyrill, Eugene
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q3 = Q(eav__country__contains='e') # Cyrill, Daniel, Eugene
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q4 = q2 & q3 # Cyrill, Daniel, Eugene
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q5 = (q1 | q4) & q1 # Anne, Bob, Daniel
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p = Patient.objects.filter(q5)
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self.assertEqual(p.count(), 3)
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# Everyone except Anne
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q1 = Q(eav__city__contains='Y')
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p = Patient.objects.exclude(q1)
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self.assertEqual(p.count(), 4)
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# Anne, Bob, Daniel
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q1 = Q(eav__city__contains='Y')
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q2 = Q(eav__fever=no)
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q3 = q1 | q2
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p = Patient.objects.filter(q3)
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self.assertEqual(p.count(), 3)
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# Anne, Daniel
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q1 = Q(eav__age=3)
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p = Patient.objects.filter(q1)
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self.assertEqual(p.count(), 2)
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# Eugene
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q1 = Q(name__contains='E', eav__fever=yes)
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p = Patient.objects.filter(q1)
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self.assertEqual(p.count(), 1)
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