/
tests.py
226 lines (189 loc) · 7.15 KB
/
tests.py
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from django.db.models import Count
from django.test import TestCase
from models import Artist, Group
class MongoTestCase(TestCase):
def test_create(self):
b = Artist.objects.create(name="Bruce Springsteen", good=True)
self.assertTrue(b.pk is not None)
self.assertEqual(b.name, "Bruce Springsteen")
self.assertTrue(b.good)
b2 = Artist.objects.get(pk=b.pk)
self.assertEqual(b.pk, b2.pk)
self.assertEqual(b.name, b2.name)
self.assertEqual(b.good, b2.good)
def test_update(self):
l = Artist.objects.create(name="Lady Gaga", good=True)
self.assertTrue(l.pk is not None)
pk = l.pk
# Whoops, we screwed up.
l.good = False
l.save()
self.assertEqual(l.pk, pk)
l = Artist.objects.get(pk=pk)
self.assertTrue(not l.good)
def test_count(self):
Artist.objects.create(name="Billy Joel", good=True)
Artist.objects.create(name="John Mellencamp", good=True)
Artist.objects.create(name="Warren Zevon", good=True)
Artist.objects.create(name="Matisyahu", good=True)
Artist.objects.create(name="Gary US Bonds", good=True)
self.assertEqual(Artist.objects.count(), 5)
self.assertEqual(Artist.objects.filter(good=True).count(), 5)
Artist.objects.create(name="Bon Iver", good=False)
self.assertEqual(Artist.objects.count(), 6)
self.assertEqual(Artist.objects.filter(good=True).count(), 5)
self.assertEqual(Artist.objects.filter(good=False).count(), 1)
self.assertEqual(Artist.objects.aggregate(c=Count("pk")), {"c": 6})
def test_foreignkey(self):
e = Group.objects.create(name="The E Street Band")
b = Artist.objects.create(name="Clarence Clemons", good=True,
current_group=e)
self.assertEqual(b.current_group, e)
self.assertEqual(b.current_group_id, e.pk)
b = Artist.objects.get(name="Clarence Clemons")
self.assertEqual(b.current_group_id, e.pk)
self.assertFalse(hasattr(b, "_current_group_cache"))
self.assertEqual(b.current_group, e)
def test_exists(self):
self.assertFalse(Artist.objects.filter(name="Brian May").exists())
Artist.objects.create(name="Brian May")
self.assertTrue(Artist.objects.filter(name="Brian May").exists())
def test_orderby(self):
Group.objects.create(name="Queen", year_formed=1971)
Group.objects.create(name="The E Street Band", year_formed=1972)
Group.objects.create(name="The Beatles", year_formed=1960)
self.assertQuerysetEqual(
Group.objects.order_by("year_formed"), [
"The Beatles",
"Queen",
"The E Street Band",
],
lambda g: g.name
)
self.assertQuerysetEqual(
Group.objects.order_by("-year_formed"), [
"The E Street Band",
"Queen",
"The Beatles",
],
lambda g: g.name,
)
def test_slicing(self):
artists = [
Artist.objects.create(name="Huey Lewis"),
Artist.objects.create(name="John Hiatt"),
Artist.objects.create(name="Jackson Browne"),
Artist.objects.create(name="Rick Springfield"),
]
for i in xrange(5):
# TODO: should be i, but Mongo falls over with limit(0)
for j in xrange(i+1, 5):
self.assertQuerysetEqual(
Artist.objects.all()[i:j],
artists[i:j],
lambda a: a,
)
self.assertQuerysetEqual(
Artist.objects.all()[:3],
artists[:3],
lambda a: a,
)
self.assertQuerysetEqual(
Artist.objects.all()[2:],
artists[2:],
lambda a: a,
)
def test_values(self):
a = Artist.objects.create(name="Steve Perry", good=True)
self.assertQuerysetEqual(
Artist.objects.values(), [
{"name": "Steve Perry", "good": True, "current_group_id": None, "id": a.pk},
],
lambda a: a,
)
self.assertQuerysetEqual(
Artist.objects.values("name"), [
{"name": "Steve Perry"},
],
lambda a: a,
)
self.assertQuerysetEqual(
Artist.objects.values_list("name"), [
("Steve Perry",)
],
lambda a: a,
)
self.assertQuerysetEqual(
Artist.objects.values_list("name", flat=True), [
"Steve Perry",
],
lambda a: a,
)
def test_not_equals(self):
q = Group.objects.create(name="Queen", year_formed=1971)
e = Group.objects.create(name="The E Street Band", year_formed=1972)
b = Group.objects.create(name="The Beatles")
self.assertQuerysetEqual(
Group.objects.exclude(year_formed=1972), [
"Queen",
"The Beatles",
],
lambda g: g.name,
)
def test_less_than(self):
q = Group.objects.create(name="Queen", year_formed=1971)
e = Group.objects.create(name="The E Street Band", year_formed=1972)
self.assertQuerysetEqual(
Group.objects.filter(year_formed__lt=1980), [
"Queen",
"The E Street Band",
],
lambda g: g.name
)
self.assertQuerysetEqual(
Group.objects.filter(year_formed__lt=1972), [
"Queen",
],
lambda g: g.name
)
self.assertQuerysetEqual(
Group.objects.filter(year_formed__lt=1971),
[],
lambda g: g.name
)
self.assertQuerysetEqual(
Group.objects.exclude(year_formed__lt=1972), [
"The E Street Band"
],
lambda g: g.name,
)
def test_isnull(self):
q = Group.objects.create(name="Queen", year_formed=1971)
e = Group.objects.create(name="The E Street Band", year_formed=1972)
b = Group.objects.create(name="The Beatles")
self.assertQuerysetEqual(
Group.objects.filter(year_formed__isnull=True), [
"The Beatles",
],
lambda g: g.name,
)
self.assertQuerysetEqual(
Group.objects.filter(year_formed__isnull=False), [
"Queen",
"The E Street Band",
],
lambda g: g.name
)
self.assertQuerysetEqual(
Group.objects.exclude(year_formed__isnull=True), [
"Queen",
"The E Street Band",
],
lambda g: g.name
)
self.assertQuerysetEqual(
Group.objects.exclude(year_formed__isnull=False), [
"The Beatles",
],
lambda g: g.name
)