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from django.test import TestCase
from .models import Comment, Tenant, TimeStamped, User
class CompositePKGetTests(TestCase):
maxDiff = None
@classmethod
def setUpTestData(cls):
cls.tenant_1 = Tenant.objects.create()
cls.tenant_2 = Tenant.objects.create()
cls.user_1 = User.objects.create(
tenant=cls.tenant_1,
id=1,
email="user0001@example.com",
)
cls.user_2 = User.objects.create(
tenant=cls.tenant_1,
id=2,
email="user0002@example.com",
)
cls.user_3 = User.objects.create(
tenant=cls.tenant_2,
id=3,
email="user0003@example.com",
)
cls.comment_1 = Comment.objects.create(id=1, user=cls.user_1)
def test_get_user(self):
test_cases = (
{"pk": self.user_1.pk},
{"pk": (self.tenant_1.id, self.user_1.id)},
{"id": self.user_1.id},
)
for lookup in test_cases:
with self.subTest(lookup=lookup):
self.assertEqual(User.objects.get(**lookup), self.user_1)
def test_get_comment(self):
test_cases = (
{"pk": self.comment_1.pk},
{"pk": (self.tenant_1.id, self.comment_1.id)},
{"id": self.comment_1.id},
{"user": self.user_1},
{"user_id": self.user_1.id},
{"user__id": self.user_1.id},
{"user__pk": self.user_1.pk},
{"tenant": self.tenant_1},
{"tenant_id": self.tenant_1.id},
{"tenant__id": self.tenant_1.id},
{"tenant__pk": self.tenant_1.pk},
)
for lookup in test_cases:
with self.subTest(lookup=lookup):
self.assertEqual(Comment.objects.get(**lookup), self.comment_1)
def test_get_or_create_user(self):
test_cases = (
{
"pk": self.user_1.pk,
"defaults": {"email": "user9201@example.com"},
},
{
"pk": (self.tenant_1.id, self.user_1.id),
"defaults": {"email": "user9201@example.com"},
},
{
"tenant": self.tenant_1,
"id": self.user_1.id,
"defaults": {"email": "user3512@example.com"},
},
{
"tenant_id": self.tenant_1.id,
"id": self.user_1.id,
"defaults": {"email": "user8239@example.com"},
},
)
for fields in test_cases:
with self.subTest(fields=fields):
count = User.objects.count()
user, created = User.objects.get_or_create(**fields)
self.assertIs(created, False)
self.assertEqual(user.id, self.user_1.id)
self.assertEqual(user.pk, (self.tenant_1.id, self.user_1.id))
self.assertEqual(user.tenant_id, self.tenant_1.id)
self.assertEqual(user.email, self.user_1.email)
self.assertEqual(count, User.objects.count())
def test_lookup_errors(self):
m_tuple = "'%s' lookup of 'pk' must be a tuple or a list"
m_2_elements = "'%s' lookup of 'pk' must have 2 elements"
m_tuple_collection = (
"'in' lookup of 'pk' must be a collection of tuples or lists"
)
m_2_elements_each = "'in' lookup of 'pk' must have 2 elements each"
test_cases = (
({"pk": 1}, m_tuple % "exact"),
({"pk": (1, 2, 3)}, m_2_elements % "exact"),
({"pk__exact": 1}, m_tuple % "exact"),
({"pk__exact": (1, 2, 3)}, m_2_elements % "exact"),
({"pk__in": 1}, m_tuple % "in"),
({"pk__in": (1, 2, 3)}, m_tuple_collection),
({"pk__in": ((1, 2, 3),)}, m_2_elements_each),
({"pk__gt": 1}, m_tuple % "gt"),
({"pk__gt": (1, 2, 3)}, m_2_elements % "gt"),
({"pk__gte": 1}, m_tuple % "gte"),
({"pk__gte": (1, 2, 3)}, m_2_elements % "gte"),
({"pk__lt": 1}, m_tuple % "lt"),
({"pk__lt": (1, 2, 3)}, m_2_elements % "lt"),
({"pk__lte": 1}, m_tuple % "lte"),
({"pk__lte": (1, 2, 3)}, m_2_elements % "lte"),
)
for kwargs, message in test_cases:
with (
self.subTest(kwargs=kwargs),
self.assertRaisesMessage(ValueError, message),
):
Comment.objects.get(**kwargs)
def test_get_user_by_comments(self):
self.assertEqual(User.objects.get(comments=self.comment_1), self.user_1)
def test_get_previous_by_field(self):
stamp_1 = TimeStamped.objects.create(id=1)
stamp_2 = TimeStamped(id=2)
msg = "get_next/get_previous cannot be used on unsaved objects."
with self.assertRaisesMessage(ValueError, msg):
stamp_2.get_previous_by_created()
stamp_2.save()
self.assertEqual(stamp_2.get_previous_by_created(), stamp_1)
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