stacktach/tests/unit/test_dbapi.py

202 lines
7.9 KiB
Python

import datetime
import unittest
from django.db.models import FieldDoesNotExist
import mox
from stacktach import dbapi
import utils
from utils import INSTANCE_ID_1
class DBAPITestCase(unittest.TestCase):
def setUp(self):
self.mox = mox.Mox()
def tearDown(self):
self.mox.UnsetStubs()
def make_fake_model(self):
fake_model = self.mox.CreateMockAnything()
fake_meta = self.mox.CreateMockAnything()
fake_model._meta = fake_meta
fake_orm = self.mox.CreateMockAnything()
fake_model.objects = fake_orm
return fake_model
def test_get_filter_args(self):
start_time = datetime.datetime.utcnow()
start_decimal = utils.decimal_utc(start_time)
end_time = start_time + datetime.timedelta(days=1)
end_decimal = utils.decimal_utc(end_time)
fake_request = self.mox.CreateMockAnything()
fake_model = self.make_fake_model()
fake_model._meta.get_field_by_name('launched_at')
fake_model._meta.get_field_by_name('launched_at')
fake_request.GET = {'instance': INSTANCE_ID_1,
'launched_at_min': str(start_time),
'launched_at_max': str(end_time)}
self.mox.ReplayAll()
filter_args = dbapi._get_filter_args(fake_model, fake_request)
self.mox.VerifyAll()
self.assertEquals(filter_args['instance'], INSTANCE_ID_1)
self.assertEquals(filter_args.get('launched_at__gte'),
start_decimal)
self.assertEquals(filter_args.get('launched_at__lte'),
end_decimal)
def test_get_filter_args_bad_min_value(self):
fake_request = self.mox.CreateMockAnything()
fake_request.GET = {'launched_at_min': 'obviouslybaddatetime'}
fake_model = self.make_fake_model()
fake_model._meta.get_field_by_name('launched_at')
self.mox.ReplayAll()
self.assertRaises(dbapi.BadRequestException, dbapi._get_filter_args,
fake_model, fake_request)
self.mox.VerifyAll()
def test_get_filter_args_bad_max_value(self):
fake_request = self.mox.CreateMockAnything()
fake_request.GET = {'launched_at_max': 'obviouslybaddatetime'}
fake_model = self.make_fake_model()
fake_model._meta.get_field_by_name('launched_at')
self.mox.ReplayAll()
self.assertRaises(dbapi.BadRequestException, dbapi._get_filter_args,
fake_model, fake_request)
self.mox.VerifyAll()
def test_get_filter_args_bad_range_key(self):
start_time = datetime.datetime.utcnow()
fake_request = self.mox.CreateMockAnything()
fake_request.GET = {'somebadfield_max': str(start_time)}
fake_model = self.make_fake_model()
fake_model._meta.get_field_by_name('somebadfield')\
.AndRaise(FieldDoesNotExist())
self.mox.ReplayAll()
self.assertRaises(dbapi.BadRequestException, dbapi._get_filter_args,
fake_model, fake_request)
self.mox.VerifyAll()
def test_get_db_objects(self):
fake_model = self.make_fake_model()
fake_request = self.mox.CreateMockAnything()
fake_request.GET = {}
self.mox.StubOutWithMock(dbapi, '_get_filter_args')
dbapi._get_filter_args(fake_model, fake_request).AndReturn({})
self.mox.StubOutWithMock(dbapi, '_check_has_field')
dbapi._check_has_field(fake_model, 'id')
result = self.mox.CreateMockAnything()
fake_model.objects.all().AndReturn(result)
result.order_by('id').AndReturn(result)
result.__getitem__(slice(None, None, None)).AndReturn(result)
self.mox.ReplayAll()
query_result = dbapi.get_db_objects(fake_model, fake_request, 'id')
self.assertEquals(query_result, result)
self.mox.VerifyAll()
def test_get_db_objects_desc(self):
fake_model = self.make_fake_model()
fake_request = self.mox.CreateMockAnything()
fake_request.GET = {'direction': 'desc'}
self.mox.StubOutWithMock(dbapi, '_get_filter_args')
dbapi._get_filter_args(fake_model, fake_request).AndReturn({})
self.mox.StubOutWithMock(dbapi, '_check_has_field')
dbapi._check_has_field(fake_model, 'id')
result = self.mox.CreateMockAnything()
fake_model.objects.all().AndReturn(result)
result.order_by('-id').AndReturn(result)
result.__getitem__(slice(None, None, None)).AndReturn(result)
self.mox.ReplayAll()
query_result = dbapi.get_db_objects(fake_model, fake_request, 'id')
self.assertEquals(query_result, result)
self.mox.VerifyAll()
def test_get_db_objects_limit(self):
fake_model = self.make_fake_model()
fake_request = self.mox.CreateMockAnything()
fake_request.GET = {'limit': 1}
self.mox.StubOutWithMock(dbapi, '_get_filter_args')
dbapi._get_filter_args(fake_model, fake_request).AndReturn({})
self.mox.StubOutWithMock(dbapi, '_check_has_field')
dbapi._check_has_field(fake_model, 'id')
result = self.mox.CreateMockAnything()
fake_model.objects.all().AndReturn(result)
result.order_by('id').AndReturn(result)
result.__getitem__(slice(None, 1, None)).AndReturn(result)
self.mox.ReplayAll()
query_result = dbapi.get_db_objects(fake_model, fake_request, 'id')
self.assertEquals(query_result, result)
self.mox.VerifyAll()
def test_get_db_objects_offset(self):
fake_model = self.make_fake_model()
fake_request = self.mox.CreateMockAnything()
fake_request.GET = {'offset': 1}
self.mox.StubOutWithMock(dbapi, '_get_filter_args')
dbapi._get_filter_args(fake_model, fake_request).AndReturn({})
self.mox.StubOutWithMock(dbapi, '_check_has_field')
dbapi._check_has_field(fake_model, 'id')
result = self.mox.CreateMockAnything()
fake_model.objects.all().AndReturn(result)
result.order_by('id').AndReturn(result)
result.__getitem__(slice(1, None, None)).AndReturn(result)
self.mox.ReplayAll()
query_result = dbapi.get_db_objects(fake_model, fake_request, 'id')
self.assertEquals(query_result, result)
self.mox.VerifyAll()
def test_get_db_objects_offset_and_limit(self):
fake_model = self.make_fake_model()
fake_request = self.mox.CreateMockAnything()
fake_request.GET = {'offset': 2, 'limit': 2}
self.mox.StubOutWithMock(dbapi, '_get_filter_args')
dbapi._get_filter_args(fake_model, fake_request).AndReturn({})
self.mox.StubOutWithMock(dbapi, '_check_has_field')
dbapi._check_has_field(fake_model, 'id')
result = self.mox.CreateMockAnything()
fake_model.objects.all().AndReturn(result)
result.order_by('id').AndReturn(result)
result.__getslice__(2, 4).AndReturn(result)
self.mox.ReplayAll()
query_result = dbapi.get_db_objects(fake_model, fake_request, 'id')
self.assertEquals(query_result, result)
self.mox.VerifyAll()
def test_get_db_objects_with_filter(self):
fake_model = self.make_fake_model()
fake_request = self.mox.CreateMockAnything()
filters = {'instance': INSTANCE_ID_1}
fake_request.GET = filters
self.mox.StubOutWithMock(dbapi, '_get_filter_args')
dbapi._get_filter_args(fake_model, fake_request).AndReturn(filters)
self.mox.StubOutWithMock(dbapi, '_check_has_field')
dbapi._check_has_field(fake_model, 'id')
result = self.mox.CreateMockAnything()
fake_model.objects.filter(**filters).AndReturn(result)
result.order_by('id').AndReturn(result)
result.__getitem__(slice(None, None, None)).AndReturn(result)
self.mox.ReplayAll()
query_result = dbapi.get_db_objects(fake_model, fake_request, 'id')
self.assertEquals(query_result, result)
self.mox.VerifyAll()