def test_keep_tables(self):
        conn = Connection(table_prefix='abc')
        conn.create_table('table1', {'d': dict()})

        conn = Connection(table_prefix='abc')
        self.assertEqual(conn.tables(), ['table1'])

        table = conn.table('table1')
        self.assertEqual(table.name, 'abc_table1')
Esempio n. 2
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class TestBatch(BaseTestCase):
    def setUp(self):
        self.conn = Connection()
        self.conn.create_table('movie', {'d': dict()})
        self.table = self.conn.table('movie')
        self.batch = self.table.batch()

    def test_put(self):
        self.batch.put(b'matrix', {b'd:title': b'The Matrix'})
        self.batch.put(b'godfather', {b'd:title': b'The Godfather'})
        self.batch.put(b'inception', {b'd:title': b'Inception'})

        # No data is saved before send
        self.assertEqual(list(self.table.scan()), [])

        self.batch.send()
        self.assertEqual(list(self.table.scan()),
                         [(b'godfather', {
                             b'd:title': b'The Godfather'
                         }), (b'inception', {
                             b'd:title': b'Inception'
                         }), (b'matrix', {
                             b'd:title': b'The Matrix'
                         })])

    def test_delete(self):
        self.batch.put(b'matrix', {b'd:title': b'The Matrix'})
        self.batch.put(b'godfather', {b'd:title': b'The Godfather'})
        self.batch.put(b'inception', {b'd:title': b'Inception'})
        self.batch.delete(b'matrix')

        # No data is saved before send
        self.assertEqual(list(self.table.scan()), [])

        self.batch.send()
        self.assertEqual(list(self.table.scan()),
                         [(b'godfather', {
                             b'd:title': b'The Godfather'
                         }), (b'inception', {
                             b'd:title': b'Inception'
                         })])

    def test_context_manager(self):
        # Mutations is automatically sent at the end of `with` block
        with self.table.batch() as batch:
            batch.put(b'wizofoz', {b'd:title': b'The Wizard of Oz'})
            batch.put(b'frozen', {b'd:title': b'Frozen'})
            batch.put(b'goodfellas', {b'd:title': b'Goodfellas'})
            batch.delete(b'wizofoz')

        self.assertEqual(list(self.table.scan()), [(b'frozen', {
            b'd:title': b'Frozen'
        }), (b'goodfellas', {
            b'd:title': b'Goodfellas'
        })])
Esempio n. 3
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class TestBatch(BaseTestCase):

    def setUp(self):
        self.conn = Connection()
        self.conn.create_table('movie', {'d': dict()})
        self.table = self.conn.table('movie')
        self.batch = self.table.batch()

    def test_put(self):
        self.batch.put(b'matrix', {b'd:title': b'The Matrix'})
        self.batch.put(b'godfather', {b'd:title': b'The Godfather'})
        self.batch.put(b'inception', {b'd:title': b'Inception'})

        # No data is saved before send
        self.assertEqual(list(self.table.scan()), [])

        self.batch.send()
        self.assertEqual(list(self.table.scan()), [
            (b'godfather', {b'd:title': b'The Godfather'}),
            (b'inception', {b'd:title': b'Inception'}),
            (b'matrix', {b'd:title': b'The Matrix'})
        ])

    def test_delete(self):
        self.batch.put(b'matrix', {b'd:title': b'The Matrix'})
        self.batch.put(b'godfather', {b'd:title': b'The Godfather'})
        self.batch.put(b'inception', {b'd:title': b'Inception'})
        self.batch.delete(b'matrix')

        # No data is saved before send
        self.assertEqual(list(self.table.scan()), [])

        self.batch.send()
        self.assertEqual(list(self.table.scan()), [
            (b'godfather', {b'd:title': b'The Godfather'}),
            (b'inception', {b'd:title': b'Inception'})
        ])

    def test_context_manager(self):
        # Mutations is automatically sent at the end of `with` block
        with self.table.batch() as batch:
            batch.put(b'wizofoz', {b'd:title': b'The Wizard of Oz'})
            batch.put(b'frozen', {b'd:title': b'Frozen'})
            batch.put(b'goodfellas', {b'd:title': b'Goodfellas'})
            batch.delete(b'wizofoz')

        self.assertEqual(list(self.table.scan()), [
            (b'frozen', {b'd:title': b'Frozen'}),
            (b'goodfellas', {b'd:title': b'Goodfellas'})
        ])
Esempio n. 4
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class TestTable(BaseTestCase):
    def setUp(self):
        self.conn = Connection()
        self.conn.create_table('person', {'d': dict()})
        self.table = self.conn.table('person')

    def test_repr(self):
        self.assertEqual(repr(self.table),
                         "<happybase_mock.table.Table name='person'>")

    def test_regions(self):
        # Table.regions() is meaningless for in-memory mock, it only returns
        # a fixed data
        regions = self.table.regions()
        self.assertEqual(len(regions), 1)
        self.assertTrue(regions[0].get('name'))

        # Test non-existing table
        table = self.conn.table('no_such_table')
        self.assertEqual(table.regions(), [])

    def test_put_and_get(self):
        self.table.put(b'john', {b'd:name': b'John'})
        self.assertEqual(self.table.row(b'john'), {b'd:name': b'John'})

    def test_put_get_with_timestamps(self):
        self.table.put(b'01', {b'd:name': b'John'}, timestamp=1)
        self.table.put(b'01', {b'd:name': b'Joe'}, timestamp=2)
        self.assertEqual(self.table.row(b'01'), {b'd:name': b'Joe'})
        self.assertEqual(self.table.row(b'01', timestamp=2),
                         {b'd:name': b'John'})
        self.assertEqual(self.table.row(b'01', timestamp=3),
                         {b'd:name': b'Joe'})

        self.table.put(b'01', {
            b'd:name': b'Jack',
            b'd:age': b'20'
        },
                       timestamp=2)
        self.table.put(b'01', {b'd:name': b'Jacky', b'd:sex': b'M'})
        self.assertEqual(self.table.row(b'01'), {
            b'd:name': b'Jacky',
            b'd:age': b'20',
            b'd:sex': b'M'
        })

    def test_get_include_timestamps(self):
        self.table.put(b'01', {
            b'd:name': b'John',
            b'd:age': b'20'
        },
                       timestamp=1)
        self.table.put(b'01', {b'd:name': b'Joe'}, timestamp=2)

        self.assertEqual(self.table.row(b'01', include_timestamp=True), {
            b'd:name': (b'Joe', 2),
            b'd:age': (b'20', 1)
        })

        self.assertEqual(
            self.table.row(b'01', timestamp=2, include_timestamp=True), {
                b'd:name': (b'John', 1),
                b'd:age': (b'20', 1)
            })

    def test_max_versions(self):
        # Default max_versions is 3
        self.table.put(b'01', {b'd:name': b'Alice'}, timestamp=1)
        self.table.put(b'01', {b'd:name': b'Bob'}, timestamp=2)
        self.table.put(b'01', {b'd:name': b'Cate'}, timestamp=3)
        self.table.put(b'01', {b'd:name': b'Dave'}, timestamp=4)

        self.assertEqual(self.table.row(b'01', timestamp=1), {})
        self.assertEqual(self.table.row(b'01', timestamp=2), {})
        self.assertEqual(self.table.row(b'01', timestamp=3),
                         {b'd:name': b'Bob'})
        self.assertEqual(self.table.row(b'01', timestamp=4),
                         {b'd:name': b'Cate'})
        self.assertEqual(self.table.row(b'01', timestamp=5),
                         {b'd:name': b'Dave'})

    def test_get_partial_columns(self):
        self.table.put(b'01', {
            b'd:name': b'Elisa',
            b'd:age': b'20',
            b'd:sex': b'F'
        },
                       timestamp=1)
        self.table.put(b'01', {
            b'd:name': b'Elsa',
            b'd:email': b'*****@*****.**'
        })
        row = self.table.row(b'01', columns=(b'd:name', b'd:email'))
        self.assertEqual(row, {
            b'd:name': b'Elsa',
            b'd:email': b'*****@*****.**'
        })

    def test_get_future_timestamp(self):
        future_time = int(time.time() * 1000 * 2)
        self.table.put(b'k', {b'd:a': b'data'}, timestamp=future_time)
        self.assertEqual(self.table.row(b'k'), {b'd:a': b'data'})

    def test_get_multiple_rows(self):
        self.table.put(b'01', {b'd:name': b'One'}, timestamp=10)
        self.table.put(b'02', {b'd:name': b'Two'}, timestamp=20)
        self.table.put(b'03', {b'd:name': b'Three'}, timestamp=30)

        self.assertEqual(self.table.rows([b'03', b'01', b'02']),
                         [(b'03', {
                             b'd:name': b'Three'
                         }), (b'01', {
                             b'd:name': b'One'
                         }), (b'02', {
                             b'd:name': b'Two'
                         })])

        # Include timestamps
        self.assertEqual(
            self.table.rows([b'03', b'01', b'02'], include_timestamp=True),
            [(b'03', {
                b'd:name': (b'Three', 30)
            }), (b'01', {
                b'd:name': (b'One', 10)
            }), (b'02', {
                b'd:name': (b'Two', 20)
            })])

    def test_cells(self):
        self.table.put(b'k', {b'd:a': b'a1'}, timestamp=1)
        self.table.put(b'k', {b'd:a': b'a2'}, timestamp=2)
        future_time = int(time.time() * 1000 * 2)
        self.table.put(b'k', {b'd:a': b'a999'}, timestamp=future_time)

        self.assertEqual(self.table.cells(b'k', b'd:a'),
                         [b'a999', b'a2', b'a1'])
        self.assertEqual(self.table.cells(b'k', b'd:a', timestamp=time.time()),
                         [b'a2', b'a1'])

        # Include timestamps
        self.assertEqual(
            self.table.cells(b'k', b'd:a', include_timestamp=True),
            [(b'a999', future_time), (b'a2', 2), (b'a1', 1)])

    def test_no_such_column_family(self):
        with self.assertRaises(IOError):
            self.table.put(b'01', {b'bad_cf:name': b'Dont Care'})

    def test_delete_whole_row(self):
        self.table.put(b'1', {b'd:name': b'Gary'}, timestamp=1)
        self.table.put(b'1', {b'd:age': b'21'}, timestamp=1)
        self.table.put(b'2', {b'd:name': b'Frank'})
        self.table.delete(b'1')

        self.assertEqual(self.table.row(b'1'), {})
        self.assertEqual(self.table.row(b'2'), {b'd:name': b'Frank'})

    def test_delete_some_columns(self):
        self.table.put(b'1', {
            b'd:name': b'Harry',
            b'd:age': b'16',
            b'd:sex': b'M'
        })
        self.table.delete(b'1', columns=(b'd:age', b'd:sex'))
        self.assertEqual(self.table.row(b'1'), {b'd:name': b'Harry'})

    def test_delete_columns_and_timestamp(self):
        # Create a row like this:
        #     d:a   d:b   d:c
        #  1   a1    b1    c1
        #  2   a2    b2    c2
        #  3   a3    b3    c3
        self.table.put(b'key', {
            b'd:a': b'a1',
            b'd:b': b'b1',
            b'd:c': b'c1'
        },
                       timestamp=1)
        self.table.put(b'key', {
            b'd:a': b'a2',
            b'd:b': b'b2',
            b'd:c': b'c2'
        },
                       timestamp=2)
        self.table.put(b'key', {
            b'd:a': b'a3',
            b'd:b': b'b3',
            b'd:c': b'c3'
        },
                       timestamp=3)

        # After deleting a1, b1, a2, b2, the cells should become:
        #     d:a   d:b   d:c
        #  1               c1
        #  2               c2
        #  3   a3    b3    c3
        self.table.delete(b'key', columns=(b'd:a', b'd:b'), timestamp=2)
        self.assertEqual(self.table.row(b'key'), {
            b'd:a': b'a3',
            b'd:b': b'b3',
            b'd:c': b'c3'
        })
        self.assertEqual(self.table.row(b'key', timestamp=3), {b'd:c': b'c2'})

    def test_delete_timestamp(self):
        # Create a row like this:
        #     d:a   d:b   d:c
        #  1   a1    b1    c1
        #  2   a2    b2    c2
        #  3   a3    b3    c3
        self.table.put(b'key', {
            b'd:a': b'a1',
            b'd:b': b'b1',
            b'd:c': b'c1'
        },
                       timestamp=1)
        self.table.put(b'key', {
            b'd:a': b'a2',
            b'd:b': b'b2',
            b'd:c': b'c2'
        },
                       timestamp=2)
        self.table.put(b'key', {
            b'd:a': b'a3',
            b'd:b': b'b3',
            b'd:c': b'c3'
        },
                       timestamp=3)

        # Delete timestamp <= 2:
        #     d:a   d:b   d:c
        #  1
        #  2
        #  3   a3    b3    c3
        self.table.delete(b'key', timestamp=2)
        self.assertEqual(self.table.row(b'key'), {
            b'd:a': b'a3',
            b'd:b': b'b3',
            b'd:c': b'c3'
        })
        self.assertEqual(self.table.row(b'key', timestamp=3), {})

    def test_scan(self):
        for i in xrange(1, 10):
            self.table.put(str(i).encode('utf-8'),
                           {b'd:count': str(i).encode('utf-8')},
                           timestamp=i)

        # Scan all
        self.assertEqual(len(list(self.table.scan())), 9)

        # Prefix scan
        self.assertEqual(list(self.table.scan(row_prefix=b'2')),
                         [(b'2', {
                             b'd:count': b'2'
                         })])
        self.assertEqual(
            list(self.table.scan(row_prefix=b'3', include_timestamp=True)),
            [(b'3', {
                b'd:count': (b'3', 3)
            })])

        # Range scan
        self.assertEqual(list(self.table.scan(row_start=b'4', row_stop=b'6')),
                         [(b'4', {
                             b'd:count': b'4'
                         }), (b'5', {
                             b'd:count': b'5'
                         })])
        self.assertEqual(list(self.table.scan(row_start=b'8')),
                         [(b'8', {
                             b'd:count': b'8'
                         }), (b'9', {
                             b'd:count': b'9'
                         })])

        # scan with columns
        self.assertEqual(
            list(self.table.scan(row_prefix=b'2', columns=[b'd:count'])),
            [(b'2', {
                b'd:count': b'2'
            })])
        self.assertEqual(
            list(self.table.scan(row_prefix=b'2', columns=['d:count'])),
            [(b'2', {
                b'd:count': b'2'
            })])

    def test_scan_invalid_arguments(self):
        with self.assertRaises(TypeError):
            self.table.scan(row_start=b'1', row_stop=b'2', row_prefix=b'3')

    def test_counter(self):
        # Counter is 0 if the row/column does not exist
        self.assertEqual(self.table.counter_get(b'tina', b'd:age'), 0)

        self.table.counter_set(b'tina', b'd:age', 20)
        self.assertEqual(self.table.counter_get(b'tina', b'd:age'), 20)

        # Internal representation should be an 8-byte signed integer in big
        # endian
        self.assertEqual(self.table.row(b'tina'),
                         {b'd:age': b'\x00\x00\x00\x00\x00\x00\x00\x14'})

        self.table.counter_inc(b'tina', b'd:age', value=5)
        self.assertEqual(self.table.counter_get(b'tina', b'd:age'), 25)

        self.table.counter_dec(b'tina', b'd:age', value=30)
        self.assertEqual(self.table.counter_get(b'tina', b'd:age'), -5)
class TestConnection(BaseTestCase):

    def tearDown(self):
            Connection._instances.clear()

    def setUp(self):
        self.conn = Connection()

    def test_create_table(self):
        self.conn.create_table('contact', {
            'd': {
                'max_versions': 10,
                'block_cache_enabled': True
            },
            'm': {}
        })
        table = self.conn.table('contact')
        self.assertEqual(table.families(), {
            'd': {
                'block_cache_enabled': True,
                'bloom_filter_nb_hashes': 0,
                'bloom_filter_type': 'NONE',
                'bloom_filter_vector_size': 0,
                'compression': 'NONE',
                'in_memory': False,
                'max_versions': 10,
                'name': 'd',
                'time_to_live': -1
            },
            'm': {
                'block_cache_enabled': False,
                'bloom_filter_nb_hashes': 0,
                'bloom_filter_type': 'NONE',
                'bloom_filter_vector_size': 0,
                'compression': 'NONE',
                'in_memory': False,
                'max_versions': 3,
                'name': 'm',
                'time_to_live': -1
            }
        })

    def test_enable_disable_table(self):
        self.conn.create_table('mytable', {'d': dict()})
        self.assertTrue(self.conn.is_table_enabled('mytable'))

        self.conn.disable_table('mytable')
        self.assertFalse(self.conn.is_table_enabled('mytable'))

        self.conn.enable_table('mytable')
        self.assertTrue(self.conn.is_table_enabled('mytable'))

    def test_enable_non_existing_table(self):
        with self.assertRaises(IOError):
            self.conn.enable_table('no_such_table')

    def test_disable_non_existing_table(self):
        with self.assertRaises(IOError):
            self.conn.disable_table('no_such_table')

    def test_is_non_existing_table_enabled(self):
        # Although it's odd, Connection.is_table_enabled() returns true on
        # non-existing table
        self.assertTrue(self.conn.is_table_enabled('no_such_table'))

    def test_list_tables(self):
        families = {'d': dict()}
        self.conn.create_table('apple', families)
        self.conn.create_table('book', families)
        self.conn.create_table('cat', families)

        self.assertEqual(self.conn.tables(), ['apple', 'book', 'cat'])

    def test_list_tables_with_prefix(self):
        self.conn = Connection(table_prefix='abc')
        self.test_list_tables()

    def test_get_non_existing_table(self):
        # In HappyBase, you still can get a non-existing table from a
        # connection, but you will get an error if you operate on that table
        table = self.conn.table('no_such_table')

        with self.assertRaises(IOError):
            table.put('test', {})

        self.assertFalse(self.conn.tables())

    def test_delete_table(self):
        families = {'d': dict()}
        self.conn.create_table('dog', families)
        self.conn.create_table('fox', families)
        self.assertEqual(self.conn.tables(), ['dog', 'fox'])

        self.conn.delete_table('dog', disable=True)
        self.assertEqual(self.conn.tables(), ['fox'])

    def test_delete_table_with_prefix(self):
        conn = Connection(table_prefix='123')
        conn.create_table('jacket', {'d': dict()})
        conn.delete_table('jacket', disable=True)

    def test_delete_non_existing_table(self):
        with self.assertRaises(IOError):
            self.conn.delete_table('no_such_table')

    def test_delete_enabled_table(self):
        families = {'d': dict()}
        self.conn.create_table('game', families)

        with self.assertRaises(IOError):
            self.conn.delete_table('game')

    def test_open_close(self):
        # TODO: open() and close() don't really do anything
        self.conn.open()
        self.conn.close()

    def test_compact(self):
        # TODO: compact_table() doesn't really do anything
        self.conn.compact_table('no_such_table')
 def test_delete_table_with_prefix(self):
     conn = Connection(table_prefix='123')
     conn.create_table('jacket', {'d': dict()})
     conn.delete_table('jacket', disable=True)
Esempio n. 7
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class TestTable(BaseTestCase):

    def setUp(self):
        self.conn = Connection()
        self.conn.create_table('person', {'d': dict()})
        self.table = self.conn.table('person')

    def test_repr(self):
        self.assertEqual(repr(self.table),
                         "<happybase_mock.table.Table name='person'>")

    def test_regions(self):
        # Table.regions() is meaningless for in-memory mock, it only returns
        # a fixed data
        regions = self.table.regions()
        self.assertEqual(len(regions), 1)
        self.assertTrue(regions[0].get('name'))

        # Test non-existing table
        table = self.conn.table('no_such_table')
        self.assertEqual(table.regions(), [])

    def test_put_and_get(self):
        self.table.put(b'john', {b'd:name': b'John'})
        self.assertEqual(self.table.row(b'john'), {
            b'd:name': b'John'
        })
        self.table.put('joe', {'d:name': 'Joe'})
        self.assertEqual(self.table.row('joe'), {
            b'd:name': b'Joe'
        })

    def test_put_get_with_timestamps(self):
        self.table.put(b'01', {b'd:name': b'John'}, timestamp=1)
        self.table.put(b'01', {b'd:name': b'Joe'}, timestamp=2)
        self.assertEqual(self.table.row(b'01'), {b'd:name': b'Joe'})
        self.assertEqual(self.table.row(b'01', timestamp=2), {b'd:name': b'John'})
        self.assertEqual(self.table.row(b'01', timestamp=3), {b'd:name': b'Joe'})

        self.table.put(b'01', {
            b'd:name': b'Jack',
            b'd:age': b'20'
        }, timestamp=2)
        self.table.put(b'01', {
            b'd:name': b'Jacky',
            b'd:sex': b'M'
        })
        self.assertEqual(self.table.row(b'01'), {
            b'd:name': b'Jacky',
            b'd:age': b'20',
            b'd:sex': b'M'
        })

    def test_get_include_timestamps(self):
        self.table.put(b'01', {b'd:name': b'John', b'd:age': b'20'}, timestamp=1)
        self.table.put(b'01', {b'd:name': b'Joe'}, timestamp=2)

        self.assertEqual(self.table.row(b'01', include_timestamp=True), {
            b'd:name': (b'Joe', 2),
            b'd:age': (b'20', 1)
        })

        self.assertEqual(
            self.table.row(b'01', timestamp=2, include_timestamp=True),
            {b'd:name': (b'John', 1), b'd:age': (b'20', 1)})

    def test_max_versions(self):
        # Default max_versions is 3
        self.table.put(b'01', {b'd:name': b'Alice'}, timestamp=1)
        self.table.put(b'01', {b'd:name': b'Bob'}, timestamp=2)
        self.table.put(b'01', {b'd:name': b'Cate'}, timestamp=3)
        self.table.put(b'01', {b'd:name': b'Dave'}, timestamp=4)

        self.assertEqual(self.table.row(b'01', timestamp=1), {})
        self.assertEqual(self.table.row(b'01', timestamp=2), {})
        self.assertEqual(self.table.row(b'01', timestamp=3), {b'd:name': b'Bob'})
        self.assertEqual(self.table.row(b'01', timestamp=4), {b'd:name': b'Cate'})
        self.assertEqual(self.table.row(b'01', timestamp=5), {b'd:name': b'Dave'})

    def test_get_partial_columns(self):
        self.table.put(b'01', {
            b'd:name': b'Elisa',
            b'd:age': b'20',
            b'd:sex': b'F'
        }, timestamp=1)
        self.table.put(b'01', {
            b'd:name': b'Elsa',
            b'd:email': b'*****@*****.**'
        })
        row = self.table.row(b'01', columns=(b'd:name', b'd:email'))
        self.assertEqual(row, {
            b'd:name': b'Elsa',
            b'd:email': b'*****@*****.**'
        })

    def test_get_future_timestamp(self):
        future_time = int(time.time() * 1000 * 2)
        self.table.put(b'k', {b'd:a': b'data'}, timestamp=future_time)
        self.assertEqual(self.table.row(b'k'), {b'd:a': b'data'})

    def test_get_multiple_rows(self):
        self.table.put(b'01', {b'd:name': b'One'}, timestamp=10)
        self.table.put(b'02', {b'd:name': b'Two'}, timestamp=20)
        self.table.put(b'03', {b'd:name': b'Three'}, timestamp=30)

        self.assertEqual(self.table.rows([b'03', b'01', b'02']), [
            (b'03', {b'd:name': b'Three'}),
            (b'01', {b'd:name': b'One'}),
            (b'02', {b'd:name': b'Two'})
        ])

        # Include timestamps
        self.assertEqual(
            self.table.rows([b'03', b'01', b'02'], include_timestamp=True), [
                (b'03', {b'd:name': (b'Three', 30)}),
                (b'01', {b'd:name': (b'One', 10)}),
                (b'02', {b'd:name': (b'Two', 20)})
            ])

    def test_cells(self):
        self.table.put(b'k', {b'd:a': b'a1'}, timestamp=1)
        self.table.put(b'k', {b'd:a': b'a2'}, timestamp=2)
        future_time = int(time.time() * 1000 * 2)
        self.table.put(b'k', {b'd:a': b'a999'}, timestamp=future_time)

        self.assertEqual(self.table.cells(b'k', b'd:a'), [b'a999', b'a2', b'a1'])
        self.assertEqual(self.table.cells('k', 'd:a'), [b'a999', b'a2', b'a1'])
        self.assertEqual(
            self.table.cells(b'k', b'd:a', timestamp=time.time()), [b'a2', b'a1'])

        # Include timestamps
        self.assertEqual(
            self.table.cells(b'k', b'd:a', include_timestamp=True), [
                (b'a999', future_time), (b'a2', 2), (b'a1', 1)
            ])

    def test_no_such_column_family(self):
        with self.assertRaises(IOError):
            self.table.put(b'01', {b'bad_cf:name': b'Dont Care'})

    def test_delete_whole_row(self):
        self.table.put(b'1', {b'd:name': b'Gary'}, timestamp=1)
        self.table.put(b'1', {b'd:age': b'21'}, timestamp=1)
        self.table.put(b'2', {b'd:name': b'Frank'})
        self.table.put(b'3', {b'd:name': b'Joe'})
        self.table.delete(b'1')
        self.table.delete('3')

        self.assertEqual(self.table.row(b'1'), {})
        self.assertEqual(self.table.row(b'3'), {})
        self.assertEqual(self.table.row(b'2'), {b'd:name': b'Frank'})

    def test_delete_some_columns(self):
        self.table.put(b'1', {
            b'd:name': b'Harry',
            b'd:age': b'16',
            b'd:sex': b'M'
        })
        self.table.delete(b'1', columns=(b'd:age', b'd:sex'))
        self.assertEqual(self.table.row(b'1'), {b'd:name': b'Harry'})

    def test_delete_columns_and_timestamp(self):
        # Create a row like this:
        #     d:a   d:b   d:c
        #  1   a1    b1    c1
        #  2   a2    b2    c2
        #  3   a3    b3    c3
        self.table.put(b'key', {
            b'd:a': b'a1', b'd:b': b'b1', b'd:c': b'c1'
        }, timestamp=1)
        self.table.put(b'key', {
            b'd:a': b'a2', b'd:b': b'b2', b'd:c': b'c2'
        }, timestamp=2)
        self.table.put(b'key', {
            b'd:a': b'a3', b'd:b': b'b3', b'd:c': b'c3'
        }, timestamp=3)

        # After deleting a1, b1, a2, b2, the cells should become:
        #     d:a   d:b   d:c
        #  1               c1
        #  2               c2
        #  3   a3    b3    c3
        self.table.delete(b'key', columns=(b'd:a', b'd:b'), timestamp=2)
        self.assertEqual(self.table.row(b'key'), {
            b'd:a': b'a3', b'd:b': b'b3', b'd:c': b'c3'
        })
        self.assertEqual(self.table.row(b'key', timestamp=3), {
            b'd:c': b'c2'
        })

    def test_delete_timestamp(self):
        # Create a row like this:
        #     d:a   d:b   d:c
        #  1   a1    b1    c1
        #  2   a2    b2    c2
        #  3   a3    b3    c3
        self.table.put(b'key', {
            b'd:a': b'a1', b'd:b': b'b1', b'd:c': b'c1'
        }, timestamp=1)
        self.table.put(b'key', {
            b'd:a': b'a2', b'd:b': b'b2', b'd:c': b'c2'
        }, timestamp=2)
        self.table.put(b'key', {
            b'd:a': b'a3', b'd:b': b'b3', b'd:c': b'c3'
        }, timestamp=3)

        # Delete timestamp <= 2:
        #     d:a   d:b   d:c
        #  1
        #  2
        #  3   a3    b3    c3
        self.table.delete(b'key', timestamp=2)
        self.assertEqual(self.table.row(b'key'), {
            b'd:a': b'a3', b'd:b': b'b3', b'd:c': b'c3'
        })
        self.assertEqual(self.table.row(b'key', timestamp=3), {})

    def test_scan(self):
        for i in xrange(1, 10):
            self.table.put(str(i).encode('utf-8'), {
                b'd:count': str(i).encode('utf-8')
            }, timestamp=i)

        # Scan all
        self.assertEqual(len(list(self.table.scan())), 9)

        # Prefix scan
        self.assertEqual(list(self.table.scan(row_prefix=b'2')), [
            (b'2', {b'd:count': b'2'})
        ])
        self.assertEqual(list(self.table.scan(row_prefix='2')), [
            (b'2', {b'd:count': b'2'})
        ])
        self.assertEqual(
            list(self.table.scan(row_prefix=b'3', include_timestamp=True)),
            [(b'3', {b'd:count': (b'3', 3)})])

        # Range scan
        self.assertEqual(list(self.table.scan(row_start=b'4', row_stop=b'6')), [
            (b'4', {b'd:count': b'4'}), (b'5', {b'd:count': b'5'})
        ])
        self.assertEqual(list(self.table.scan(row_start='4', row_stop='6')), [
            (b'4', {b'd:count': b'4'}), (b'5', {b'd:count': b'5'})
        ])
        self.assertEqual(list(self.table.scan(row_start=b'8')), [
            (b'8', {b'd:count': b'8'}), (b'9', {b'd:count': b'9'})
        ])

        # scan with columns
        self.assertEqual(list(self.table.scan(row_prefix=b'2', columns=[b'd:count'])), [
            (b'2', {b'd:count': b'2'})
        ])
        self.assertEqual(list(self.table.scan(row_prefix=b'2', columns=['d:count'])), [
            (b'2', {b'd:count': b'2'})
        ])


    def test_scan_invalid_arguments(self):
        with self.assertRaises(TypeError):
            self.table.scan(row_start=b'1', row_stop=b'2', row_prefix=b'3')

    def test_counter(self):
        # Counter is 0 if the row/column does not exist
        self.assertEqual(self.table.counter_get(b'tina', b'd:age'), 0)

        self.table.counter_set(b'tina', b'd:age', 20)
        self.assertEqual(self.table.counter_get(b'tina', b'd:age'), 20)

        # Internal representation should be an 8-byte signed integer in big
        # endian
        self.assertEqual(self.table.row(b'tina'),
            {b'd:age': b'\x00\x00\x00\x00\x00\x00\x00\x14'}
        )

        self.table.counter_inc(b'tina', b'd:age', value=5)
        self.assertEqual(self.table.counter_get(b'tina', b'd:age'), 25)

        self.table.counter_dec(b'tina', b'd:age', value=30)
        self.assertEqual(self.table.counter_get(b'tina', b'd:age'), -5)