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import pytest
from pytest_mock import MockerFixture
import sqlitecloud
from sqlitecloud import Cursor
from sqlitecloud.datatypes import SQLiteCloudAccount, SQLiteCloudConfig
from sqlitecloud.dbapi2 import Connection
from sqlitecloud.exceptions import SQLiteCloudProgrammingError
from sqlitecloud.resultset import SQLITECLOUD_RESULT_TYPE, SQLiteCloudResult
def test_connect_with_account_and_config(mocker: MockerFixture):
mock_connect = mocker.patch("sqlitecloud.driver.Driver.connect")
account = SQLiteCloudAccount()
account.hostname = "myhost"
account.port = 1234
config = SQLiteCloudConfig()
config.timeout = 99
config.memory = True
sqlitecloud.connect(account, config)
mock_connect.assert_called_once_with(account.hostname, account.port, config)
def test_connect_with_connection_string_and_parameters(mocker: MockerFixture):
mock_connect = mocker.patch("sqlitecloud.driver.Driver.connect")
sqlitecloud.connect(
"sqlitecloud://user:pass@myhost:1234/dbname?timeout=99&memory=true"
)
mock_connect.assert_called_once()
assert mock_connect.call_args[0][0] == "myhost"
assert mock_connect.call_args[0][1] == 1234
# config
assert mock_connect.call_args[0][2].timeout == 99
assert mock_connect.call_args[0][2].memory
class TestCursor:
def test_description_empty(self, mocker):
cursor = Cursor(mocker.patch("sqlitecloud.Connection"))
description = cursor.description
assert description is None
def test_description_with_resultset(self, mocker):
cursor = Cursor(mocker.patch("sqlitecloud.Connection"))
result = SQLiteCloudResult(SQLITECLOUD_RESULT_TYPE.RESULT_ROWSET)
result.ncols = 1
result.nrows = 1
result.data = ["myname"]
result.colname = ["column1"]
cursor._resultset = result
assert cursor.description == (("column1", None, None, None, None, None, None),)
def test_description_with_resultset_multiple_rows(self, mocker):
cursor = Cursor(mocker.patch("sqlitecloud.Connection"))
result = SQLiteCloudResult(SQLITECLOUD_RESULT_TYPE.RESULT_ROWSET)
result.ncols = 2
result.nrows = 1
result.data = ["myname"]
result.colname = ["name", "id"]
cursor._resultset = result
assert cursor.description == (
("name", None, None, None, None, None, None),
("id", None, None, None, None, None, None),
)
def test_rowcount_with_rowset(self, mocker):
cursor = Cursor(mocker.patch("sqlitecloud.Connection"))
result = SQLiteCloudResult(SQLITECLOUD_RESULT_TYPE.RESULT_ROWSET)
result.ncols = 1
result.nrows = 3
result.data = ["myname1", "myname2", "myname3"]
result.colname = ["name"]
cursor._resultset = result
assert cursor.rowcount == 3
def test_rowcount_with_result(self, mocker):
cursor = Cursor(mocker.patch("sqlitecloud.Connection"))
result = SQLiteCloudResult(SQLITECLOUD_RESULT_TYPE.RESULT_BLOB)
cursor._resultset = result
assert cursor.rowcount == -1
def test_rowcount_with_no_resultset(self, mocker):
cursor = Cursor(mocker.patch("sqlitecloud.Connection"))
assert cursor.rowcount == -1
def test_fetchone_with_no_resultset(self, mocker):
cursor = Cursor(mocker.patch("sqlitecloud.Connection"))
assert cursor.fetchone() is None
def test_fetchone_with_result(self, mocker):
cursor = Cursor(mocker.patch("sqlitecloud.Connection"))
result = SQLiteCloudResult(SQLITECLOUD_RESULT_TYPE.RESULT_BLOB)
cursor._resultset = result
assert cursor.fetchone() is None
def test_fetchone_with_rowset(self, mocker):
connection = mocker.patch("sqlitecloud.Connection")
connection.text_factory = str
cursor = Cursor(connection)
result = SQLiteCloudResult(SQLITECLOUD_RESULT_TYPE.RESULT_ROWSET)
result.ncols = 1
result.nrows = 1
result.data = ["myname"]
result.colname = ["name"]
cursor._resultset = result
assert cursor.fetchone() == ("myname",)
def test_fetchone_twice(self, mocker):
cursor = Cursor(mocker.patch("sqlitecloud.Connection"))
result = SQLiteCloudResult(SQLITECLOUD_RESULT_TYPE.RESULT_ROWSET)
result.ncols = 1
result.nrows = 1
result.data = ["myname"]
result.colname = ["name"]
cursor._resultset = result
assert cursor.fetchone() is not None
assert cursor.fetchone() is None
def test_fetchmany_with_no_resultset(self, mocker):
cursor = Cursor(mocker.patch("sqlitecloud.Connection"))
assert cursor.fetchmany() == []
def test_fetchmany_with_result(self, mocker):
cursor = Cursor(mocker.patch("sqlitecloud.Connection"))
result = SQLiteCloudResult(SQLITECLOUD_RESULT_TYPE.RESULT_BLOB)
cursor._resultset = result
assert cursor.fetchmany() == []
def test_fetchmany_with_rowset_and_default_size(self, mocker):
connection = mocker.patch("sqlitecloud.Connection")
connection.text_factory = str
cursor = Cursor(connection)
result = SQLiteCloudResult(SQLITECLOUD_RESULT_TYPE.RESULT_ROWSET)
result.ncols = 1
result.nrows = 3
result.data = ["myname1", "myname2", "myname3"]
result.colname = ["name"]
cursor._resultset = result
assert cursor.fetchmany(None) == [("myname1",)]
def test_fetchmany_twice_to_retrieve_whole_rowset(self, mocker):
connection = mocker.patch("sqlitecloud.Connection")
connection.text_factory = str
cursor = Cursor(connection)
result = SQLiteCloudResult(SQLITECLOUD_RESULT_TYPE.RESULT_ROWSET)
result.ncols = 1
result.nrows = 2
result.data = ["myname1", "myname2"]
result.colname = ["name"]
cursor._resultset = result
assert cursor.fetchmany(2) == [("myname1",), ("myname2",)]
assert cursor.fetchmany() == []
def test_fetchmany_with_size_higher_than_rowcount(self, mocker):
connection = mocker.patch("sqlitecloud.Connection")
connection.text_factory = str
cursor = Cursor(connection)
result = SQLiteCloudResult(SQLITECLOUD_RESULT_TYPE.RESULT_ROWSET)
result.ncols = 1
result.nrows = 1
result.data = ["myname1"]
result.colname = ["name"]
cursor._resultset = result
assert cursor.fetchmany(2) == [("myname1",)]
def test_fetchall_with_no_resultset(self, mocker):
cursor = Cursor(mocker.patch("sqlitecloud.Connection"))
assert cursor.fetchall() == []
def test_fetchall_with_result(self, mocker):
cursor = Cursor(mocker.patch("sqlitecloud.Connection"))
result = SQLiteCloudResult(SQLITECLOUD_RESULT_TYPE.RESULT_BLOB)
cursor._resultset = result
assert cursor.fetchall() == []
def test_fetchall_with_rowset(self, mocker):
connection = mocker.patch("sqlitecloud.Connection")
connection.text_factory = str
cursor = Cursor(connection)
result = SQLiteCloudResult(SQLITECLOUD_RESULT_TYPE.RESULT_ROWSET)
result.ncols = 1
result.nrows = 3
result.data = ["myname1", "myname2", "myname3"]
result.colname = ["name"]
cursor._resultset = result
assert cursor.fetchall() == [("myname1",), ("myname2",), ("myname3",)]
def test_fetchall_twice_and_expect_empty_list(self, mocker):
connection = mocker.patch("sqlitecloud.Connection")
connection.text_factory = str
cursor = Cursor(connection)
result = SQLiteCloudResult(SQLITECLOUD_RESULT_TYPE.RESULT_ROWSET)
result.ncols = 1
result.nrows = 2
result.data = ["myname1", "myname2"]
result.colname = ["name"]
cursor._resultset = result
assert cursor.fetchall() == [("myname1",), ("myname2",)]
assert cursor.fetchall() == []
def test_fetchall_to_return_remaining_rows(self, mocker):
connection = mocker.patch("sqlitecloud.Connection")
connection.text_factory = str
cursor = Cursor(connection)
result = SQLiteCloudResult(SQLITECLOUD_RESULT_TYPE.RESULT_ROWSET)
result.ncols = 1
result.nrows = 2
result.data = ["myname1", "myname2"]
result.colname = ["name"]
cursor._resultset = result
assert cursor.fetchone() is not None
assert cursor.fetchall() == [("myname2",)]
def test_iterator(self, mocker):
connection = mocker.patch("sqlitecloud.Connection")
connection.text_factory = str
cursor = Cursor(connection)
result = SQLiteCloudResult(SQLITECLOUD_RESULT_TYPE.RESULT_ROWSET)
result.ncols = 1
result.nrows = 2
result.data = ["myname1", "myname2"]
result.colname = ["name"]
cursor._resultset = result
assert list(cursor) == [("myname1",), ("myname2",)]
def test_row_factory(self, mocker):
conn = Connection(mocker.patch("sqlitecloud.datatypes.SQLiteCloudConnect"))
conn.row_factory = lambda x, y: {"name": y[0]}
result = SQLiteCloudResult(SQLITECLOUD_RESULT_TYPE.RESULT_ROWSET)
result.ncols = 1
result.nrows = 2
result.data = ["myname1", "myname2"]
result.colname = ["name"]
cursor = conn.cursor()
cursor._resultset = result
assert cursor.fetchone() == {"name": "myname1"}
@pytest.mark.parametrize(
"method, args",
[
("execute", ("",)),
("executemany", ("", [])),
("fetchone", ()),
("fetchmany", ()),
("fetchall", ()),
("close", ()),
],
)
def test_close_raises_expected_exception_on_any_further_operation(
self, method, args, mocker
):
cursor = Cursor(mocker.patch("sqlitecloud.Connection"))
cursor.close()
with pytest.raises(SQLiteCloudProgrammingError) as e:
getattr(cursor, method)(*args)
assert e.value.args[0] == "The cursor is closed."