329 lines
11 KiB
Python
329 lines
11 KiB
Python
"""Test the database module."""
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import unittest
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import types
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import random
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from errors import InvalidName, InvalidOperation
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from son import SON
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from objectid import ObjectId
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from database import Database, ASCENDING, DESCENDING
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from connection import Connection
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from collection import Collection, SYSTEM_INDEX_COLLECTION
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from test_connection import get_connection
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class TestDatabase(unittest.TestCase):
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def setUp(self):
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self.connection = get_connection()
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def test_name(self):
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self.assertRaises(TypeError, Database, self.connection, 4)
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self.assertRaises(InvalidName, Database, self.connection, "my db")
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self.assertEqual("name", Database(self.connection, "name").name())
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def test_cmp(self):
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self.assertNotEqual(Database(self.connection, "test"), Database(self.connection, "mike"))
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self.assertEqual(Database(self.connection, "test"), Database(self.connection, "test"))
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def test_repr(self):
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self.assertEqual(repr(Database(self.connection, "test")),
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"Database(%r, u'test')" % self.connection)
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def test_get_coll(self):
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db = Database(self.connection, "test")
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self.assertEqual(db.test, db["test"])
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self.assertEqual(db.test, Collection(db, "test"))
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self.assertNotEqual(db.test, Collection(db, "mike"))
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self.assertEqual(db.test.mike, db["test.mike"])
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def test_save_find_one(self):
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db = Database(self.connection, "test")
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db.test.remove({})
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a_doc = SON({"hello": u"world"})
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a_key = db.test.save(a_doc)
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self.assertTrue(isinstance(a_doc["_id"], ObjectId))
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self.assertEqual(a_doc["_id"], a_key)
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self.assertEqual(a_doc, db.test.find_one({"_id": a_doc["_id"]}))
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self.assertEqual(a_doc, db.test.find_one(a_key))
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self.assertEqual(None, db.test.find_one(ObjectId()))
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self.assertEqual(a_doc, db.test.find_one({"hello": u"world"}))
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self.assertEqual(None, db.test.find_one({"hello": u"test"}))
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b = db.test.find_one()
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self.assertFalse(b["_id"].is_new())
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b["hello"] = u"mike"
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db.test.save(b)
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self.assertNotEqual(a_doc, db.test.find_one(a_key))
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self.assertEqual(b, db.test.find_one(a_key))
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self.assertEqual(b, db.test.find_one())
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count = 0
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for _ in db.test.find():
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count += 1
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self.assertEqual(count, 1)
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def test_remove(self):
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db = self.connection.test
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db.test.remove({})
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self.assertRaises(TypeError, db.test.remove, 5)
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self.assertRaises(TypeError, db.test.remove, "test")
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self.assertRaises(TypeError, db.test.remove, [])
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one = db.test.save({"x": 1})
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two = db.test.save({"x": 2})
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three = db.test.save({"x": 3})
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length = 0
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for _ in db.test.find():
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length += 1
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self.assertEqual(length, 3)
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db.test.remove(one)
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length = 0
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for _ in db.test.find():
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length += 1
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self.assertEqual(length, 2)
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db.test.remove(db.test.find_one())
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db.test.remove(db.test.find_one())
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self.assertEqual(db.test.find_one(), None)
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one = db.test.save({"x": 1})
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two = db.test.save({"x": 2})
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three = db.test.save({"x": 3})
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self.assertTrue(db.test.find_one({"x": 2}))
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db.test.remove({"x": 2})
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self.assertFalse(db.test.find_one({"x": 2}))
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self.assertTrue(db.test.find_one())
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db.test.remove({})
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self.assertFalse(db.test.find_one())
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def test_save_a_bunch(self):
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db = self.connection.test
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db.test.remove({})
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for i in xrange(1000):
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db.test.save({"x": i})
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count = 0
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for _ in db.test.find():
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count += 1
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self.assertEqual(1000, count)
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# test that kill cursors doesn't assert or anything
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for _ in xrange(62):
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for _ in db.test.find():
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break
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def test_create_index(self):
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db = self.connection.test
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self.assertRaises(TypeError, db.test.create_index, 5)
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self.assertRaises(TypeError, db.test.create_index, "hello")
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self.assertRaises(ValueError, db.test.create_index, [])
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self.assertRaises(TypeError, db.test.create_index, [], ASCENDING)
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self.assertRaises(TypeError, db.test.create_index, [("hello", DESCENDING)], DESCENDING)
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self.assertRaises(TypeError, db.test.create_index, "hello", "world")
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db.test.drop_indexes()
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self.assertFalse(db[SYSTEM_INDEX_COLLECTION].find_one({"ns": u"test.test"}))
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db.test.create_index("hello", ASCENDING)
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db.test.create_index([("hello", DESCENDING), ("world", ASCENDING)])
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count = 0
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for _ in db[SYSTEM_INDEX_COLLECTION].find({"ns": u"test.test"}):
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count += 1
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self.assertEqual(count, 2)
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db.test.drop_indexes()
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self.assertFalse(db[SYSTEM_INDEX_COLLECTION].find_one({"ns": u"test.test"}))
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db.test.create_index("hello", ASCENDING)
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self.assertEqual(db[SYSTEM_INDEX_COLLECTION].find_one({"ns": u"test.test"}),
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SON([(u"name", u"hello_1"),
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(u"ns", u"test.test"),
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(u"key", SON([(u"hello", 1)]))]))
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db.test.drop_indexes()
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self.assertFalse(db[SYSTEM_INDEX_COLLECTION].find_one({"ns": u"test.test"}))
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db.test.create_index([("hello", DESCENDING), ("world", ASCENDING)])
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self.assertEqual(db[SYSTEM_INDEX_COLLECTION].find_one({"ns": u"test.test"}),
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SON([(u"name", u"hello_-1_world_1"),
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(u"ns", u"test.test"),
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(u"key", SON([(u"hello", -1),
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(u"world", 1)]))]))
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def test_limit(self):
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db = self.connection.test
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self.assertRaises(TypeError, db.test.find().limit, None)
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self.assertRaises(TypeError, db.test.find().limit, "hello")
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self.assertRaises(TypeError, db.test.find().limit, 5.5)
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db.test.remove({})
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for i in range(100):
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db.test.save({"x": i})
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count = 0
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for _ in db.test.find():
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count += 1
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self.assertEqual(count, 100)
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count = 0
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for _ in db.test.find().limit(20):
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count += 1
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self.assertEqual(count, 20)
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count = 0
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for _ in db.test.find().limit(99):
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count += 1
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self.assertEqual(count, 99)
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count = 0
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for _ in db.test.find().limit(1):
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count += 1
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self.assertEqual(count, 1)
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count = 0
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for _ in db.test.find().limit(0):
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count += 1
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self.assertEqual(count, 100)
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count = 0
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for _ in db.test.find().limit(0).limit(50).limit(10):
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count += 1
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self.assertEqual(count, 10)
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a = db.test.find()
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a.limit(10)
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for _ in a:
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break
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self.assertRaises(InvalidOperation, a.limit, 5)
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def test_skip(self):
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db = self.connection.test
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self.assertRaises(TypeError, db.test.find().skip, None)
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self.assertRaises(TypeError, db.test.find().skip, "hello")
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self.assertRaises(TypeError, db.test.find().skip, 5.5)
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db.test.remove({})
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for i in range(100):
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db.test.save({"x": i})
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for i in db.test.find():
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self.assertEqual(i["x"], 0)
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break
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for i in db.test.find().skip(20):
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self.assertEqual(i["x"], 20)
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break
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for i in db.test.find().skip(99):
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self.assertEqual(i["x"], 99)
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break
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for i in db.test.find().skip(1):
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self.assertEqual(i["x"], 1)
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break
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for i in db.test.find().skip(0):
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self.assertEqual(i["x"], 0)
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break
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for i in db.test.find().skip(0).skip(50).skip(10):
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self.assertEqual(i["x"], 10)
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break
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for i in db.test.find().skip(1000):
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self.fail()
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a = db.test.find()
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a.skip(10)
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for _ in a:
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break
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self.assertRaises(InvalidOperation, a.skip, 5)
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def test_sort(self):
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db = self.connection.test
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self.assertRaises(TypeError, db.test.find().sort, 5)
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self.assertRaises(TypeError, db.test.find().sort, "hello")
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self.assertRaises(ValueError, db.test.find().sort, [])
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self.assertRaises(TypeError, db.test.find().sort, [], ASCENDING)
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self.assertRaises(TypeError, db.test.find().sort, [("hello", DESCENDING)], DESCENDING)
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self.assertRaises(TypeError, db.test.find().sort, "hello", "world")
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db.test.remove({})
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unsort = range(10)
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random.shuffle(unsort)
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for i in unsort:
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db.test.save({"x": i})
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asc = [i["x"] for i in db.test.find().sort("x", ASCENDING)]
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self.assertEqual(asc, range(10))
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asc = [i["x"] for i in db.test.find().sort([("x", ASCENDING)])]
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self.assertEqual(asc, range(10))
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expect = range(10)
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expect.reverse()
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desc = [i["x"] for i in db.test.find().sort("x", DESCENDING)]
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self.assertEqual(desc, expect)
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desc = [i["x"] for i in db.test.find().sort([("x", DESCENDING)])]
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self.assertEqual(desc, expect)
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desc = [i["x"] for i in db.test.find().sort("x", ASCENDING).sort("x", DESCENDING)]
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self.assertEqual(desc, expect)
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expected = [(1, 5), (2, 5), (0, 3), (7, 3), (9, 2), (2, 1), (3, 1)]
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shuffled = list(expected)
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random.shuffle(shuffled)
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db.test.remove({})
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for (a, b) in shuffled:
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db.test.save({"a": a, "b": b})
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result = [(i["a"], i["b"]) for i in db.test.find().sort([("b", DESCENDING),
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("a", ASCENDING)])]
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self.assertEqual(result, expected)
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a = db.test.find()
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a.sort("x", ASCENDING)
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for _ in a:
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break
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self.assertRaises(InvalidOperation, a.sort, "x", ASCENDING)
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def test_count(self):
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db = self.connection.test
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db.test.remove({})
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self.assertEqual(0, db.test.find().count())
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for i in range(10):
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db.test.save({"x": i})
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self.assertEqual(10, db.test.find().count())
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self.assertTrue(isinstance(db.test.find().count(), types.IntType))
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self.assertEqual(10, db.test.find().limit(5).count())
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self.assertEqual(10, db.test.find().skip(5).count())
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self.assertEqual(1, db.test.find({"x": 1}).count())
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self.assertEqual(5, db.test.find({"x": {"$lt": 5}}).count())
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a = db.test.find()
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b = a.count()
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for _ in a:
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break
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self.assertRaises(InvalidOperation, a.count)
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self.assertEqual(0, db.test.acollectionthatdoesntexist.find().count())
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if __name__ == "__main__":
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unittest.main()
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