def test_hint(self):
yield self.coll.create_index(qf.sort(qf.ASCENDING('x')))
yield self.db.command("profile", 2)
cnt = yield self.coll.count(hint=qf.hint(qf.ASCENDING('x')))
self.assertEqual(cnt, 3)
yield self.db.command("profile", 0)
cmds = yield self.db.system.profile.count({"command.hint": {"x": 1}})
self.assertEqual(cmds, 1)
self.assertRaises(TypeError, self.coll.count, hint={'x': 1})
self.assertRaises(TypeError, self.coll.count, hint=[('x', 1)])
def test_Hint(self):
# find() should fail with 'bad hint' if hint specifier works correctly
self.assertFailure(self.coll.find({}, filter=qf.hint([('x', 1)])), OperationFailure)
# create index and test it is honoured
yield self.coll.create_index(qf.sort(qf.ASCENDING("x")), name="test_index")
found_1 = yield self.coll.find({}, filter=qf.hint([('x', 1)]))
found_2 = yield self.coll.find({}, filter=qf.hint(qf.ASCENDING("x")))
found_3 = yield self.coll.find({}, filter=qf.hint("test_index"))
self.assertTrue(found_1 == found_2 == found_3)
# find() should fail with 'bad hint' if hint specifier works correctly
self.assertFailure(self.coll.find({}, filter=qf.hint(["test_index", 1])), OperationFailure)
self.assertFailure(self.coll.find({}, filter=qf.hint(qf.ASCENDING("test_index"))),
OperationFailure)
def test_Hint(self):
# find() should fail with 'bad hint' if hint specifier works correctly
self.assertFailure(self.coll.find({}, filter=qf.hint([('x', 1)])),
OperationFailure)
# create index and test it is honoured
yield self.coll.create_index(qf.sort(qf.ASCENDING("x")),
name="test_index")
found_1 = yield self.coll.find({}, filter=qf.hint([('x', 1)]))
found_2 = yield self.coll.find({}, filter=qf.hint(qf.ASCENDING("x")))
found_3 = yield self.coll.find({}, filter=qf.hint("test_index"))
self.assertTrue(found_1 == found_2 == found_3)
# find() should fail with 'bad hint' if hint specifier works correctly
self.assertFailure(
self.coll.find({}, filter=qf.hint(["test_index", 1])),
OperationFailure)
self.assertFailure(
self.coll.find({}, filter=qf.hint(qf.ASCENDING("test_index"))),
OperationFailure)
def test_Hint(self):
# Ensure there is no {x:1} index
yield self.coll.dropIndex([('x', 1)])
# find() should fail with 'bad hint' if hint specifier works correctly
self.assertFailure(self.coll.find({}, filter=qf.hint([('x', 1)])), OperationFailure)
