#! coding:utf-8

"""Tests exceptions and DB-API exception wrapping."""


from sqlalchemy import exc as sa_exceptions
from sqlalchemy.engine import default
from sqlalchemy.testing import eq_
from sqlalchemy.testing import fixtures
from sqlalchemy.util import compat
from sqlalchemy.util import u


class Error(Exception):
    pass


class DatabaseError(Error):
    pass


class OperationalError(DatabaseError):
    pass


class ProgrammingError(DatabaseError):
    def __str__(self):
        return "<%s>" % self.bogus


class OutOfSpec(DatabaseError):
    pass


# exception with a totally different name...
class WrongNameError(DatabaseError):
    pass


# but they're going to call it their "IntegrityError"
IntegrityError = WrongNameError


# and they're going to subclass it!
class SpecificIntegrityError(WrongNameError):
    pass


class WrapTest(fixtures.TestBase):
    def _translating_dialect_fixture(self):
        d = default.DefaultDialect()
        d.dbapi_exception_translation_map = {
            "WrongNameError": "IntegrityError"
        }
        return d

    def test_db_error_normal(self):
        try:
            raise sa_exceptions.DBAPIError.instance(
                "", [], OperationalError(), DatabaseError
            )
        except sa_exceptions.DBAPIError:
            self.assert_(True)

    def test_tostring(self):
        try:
            raise sa_exceptions.DBAPIError.instance(
                "this is a message", None, OperationalError(), DatabaseError
            )
        except sa_exceptions.DBAPIError as exc:
            eq_(
                str(exc),
                "(test.base.test_except.OperationalError) \n"
                "[SQL: this is a message]\n"
                "(Background on this error at: http://sqlalche.me/e/e3q8)",
            )

    def test_tostring_with_newlines(self):
        try:
            raise sa_exceptions.DBAPIError.instance(
                "this is a message\nthis is the next line\nthe last line",
                None,
                OperationalError(),
                DatabaseError,
            )
        except sa_exceptions.DBAPIError as exc:
            eq_(
                str(exc),
                "(test.base.test_except.OperationalError) \n"
                "[SQL: this is a message\nthis is the next line\n"
                "the last line]\n"
                "(Background on this error at: http://sqlalche.me/e/e3q8)",
            )

    def test_statement_error_no_code(self):
        try:
            raise sa_exceptions.DBAPIError.instance(
                "select * from table",
                [{"x": 1}],
                sa_exceptions.InvalidRequestError("hello"),
                DatabaseError,
            )
        except sa_exceptions.StatementError as err:
            eq_(
                str(err),
                "(sqlalchemy.exc.InvalidRequestError) hello\n"
                "[SQL: select * from table]\n[parameters: [{'x': 1}]]",
            )
            eq_(err.args, ("(sqlalchemy.exc.InvalidRequestError) hello",))

    def test_statement_error_w_code(self):
        try:
            raise sa_exceptions.DBAPIError.instance(
                "select * from table",
                [{"x": 1}],
                sa_exceptions.InvalidRequestError("hello", code="abcd"),
                DatabaseError,
            )
        except sa_exceptions.StatementError as err:
            eq_(
                str(err),
                "(sqlalchemy.exc.InvalidRequestError) hello\n"
                "[SQL: select * from table]\n"
                "[parameters: [{'x': 1}]]\n"
                "(Background on this error at: http://sqlalche.me/e/abcd)",
            )
            eq_(err.args, ("(sqlalchemy.exc.InvalidRequestError) hello",))

    def test_wrap_multi_arg(self):
        # this is not supported by the API but oslo_db is doing it
        orig = sa_exceptions.DBAPIError(False, False, False)
        orig.args = [2006, "Test raise operational error"]
        eq_(
            str(orig),
            "(2006, 'Test raise operational error')\n"
            "(Background on this error at: http://sqlalche.me/e/dbapi)",
        )

    def test_wrap_unicode_arg(self):
        # this is not supported by the API but oslo_db is doing it
        orig = sa_exceptions.DBAPIError(False, False, False)
        orig.args = [u("méil")]
        eq_(
            compat.text_type(orig),
            compat.u(
                "méil\n(Background on this error at: "
                "http://sqlalche.me/e/dbapi)"
            ),
        )
        eq_(orig.args, (u("méil"),))

    def test_tostring_large_dict(self):
        try:
            raise sa_exceptions.DBAPIError.instance(
                "this is a message",
                {
                    "a": 1,
                    "b": 2,
                    "c": 3,
                    "d": 4,
                    "e": 5,
                    "f": 6,
                    "g": 7,
                    "h": 8,
                    "i": 9,
                    "j": 10,
                    "k": 11,
                },
                OperationalError(),
                DatabaseError,
            )
        except sa_exceptions.DBAPIError as exc:
            assert str(exc).startswith(
                "(test.base.test_except.OperationalError) \n"
                "[SQL: this is a message]\n"
                "[parameters: {"
            )

    def test_tostring_large_list(self):
        try:
            raise sa_exceptions.DBAPIError.instance(
                "this is a message",
                [1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11],
                OperationalError(),
                DatabaseError,
            )
        except sa_exceptions.DBAPIError as ex:
            assert str(ex).startswith(
                "(test.base.test_except.OperationalError) \n"
                "[SQL: this is a message]\n[parameters: "
                "[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]]"
            )

    def test_tostring_large_executemany(self):
        try:
            raise sa_exceptions.DBAPIError.instance(
                "this is a message",
                [
                    {1: 1},
                    {1: 1},
                    {1: 1},
                    {1: 1},
                    {1: 1},
                    {1: 1},
                    {1: 1},
                    {1: 1},
                    {1: 1},
                    {1: 1},
                ],
                OperationalError("sql error"),
                DatabaseError,
            )
        except sa_exceptions.DBAPIError as exc:
            eq_(
                str(exc),
                "(test.base.test_except.OperationalError) sql error\n"
                "[SQL: this is a message]\n"
                "[parameters: [{1: 1}, {1: 1}, {1: 1}, {1: 1}, {1: 1},"
                " {1: 1}, {1: 1}, {1: 1}, {1: 1}, {1: 1}]]\n"
                "(Background on this error at: http://sqlalche.me/e/e3q8)",
            )
            eq_(
                exc.args,
                ("(test.base.test_except.OperationalError) sql error",),
            )
        try:
            raise sa_exceptions.DBAPIError.instance(
                "this is a message",
                [
                    {1: 1},
                    {1: 1},
                    {1: 1},
                    {1: 1},
                    {1: 1},
                    {1: 1},
                    {1: 1},
                    {1: 1},
                    {1: 1},
                    {1: 1},
                    {1: 1},
                ],
                OperationalError(),
                DatabaseError,
            )
        except sa_exceptions.DBAPIError as exc:
            eq_(
                str(exc),
                "(test.base.test_except.OperationalError) \n"
                "[SQL: this is a message]\n"
                "[parameters: [{1: 1}, "
                "{1: 1}, {1: 1}, {1: 1}, {1: 1}, {1: 1}, "
                "{1: 1}, {1: 1}  ... displaying 10 of 11 total "
                "bound parameter sets ...  {1: 1}, {1: 1}]]\n"
                "(Background on this error at: http://sqlalche.me/e/e3q8)",
            )
        try:
            raise sa_exceptions.DBAPIError.instance(
                "this is a message",
                [(1,), (1,), (1,), (1,), (1,), (1,), (1,), (1,), (1,), (1,)],
                OperationalError(),
                DatabaseError,
            )

        except sa_exceptions.DBAPIError as exc:
            eq_(
                str(exc),
                "(test.base.test_except.OperationalError) \n"
                "[SQL: this is a message]\n"
                "[parameters: [(1,), "
                "(1,), (1,), (1,), (1,), (1,), (1,), (1,), (1,), (1,)]]\n"
                "(Background on this error at: http://sqlalche.me/e/e3q8)",
            )
        try:
            raise sa_exceptions.DBAPIError.instance(
                "this is a message",
                [
                    (1,),
                    (1,),
                    (1,),
                    (1,),
                    (1,),
                    (1,),
                    (1,),
                    (1,),
                    (1,),
                    (1,),
                    (1,),
                ],
                OperationalError(),
                DatabaseError,
            )
        except sa_exceptions.DBAPIError as exc:
            eq_(
                str(exc),
                "(test.base.test_except.OperationalError) \n"
                "[SQL: this is a message]\n"
                "[parameters: [(1,), "
                "(1,), (1,), (1,), (1,), (1,), (1,), (1,)  "
                "... displaying 10 of 11 total bound "
                "parameter sets ...  (1,), (1,)]]\n"
                "(Background on this error at: http://sqlalche.me/e/e3q8)",
            )

    def test_db_error_busted_dbapi(self):
        try:
            raise sa_exceptions.DBAPIError.instance(
                "", [], ProgrammingError(), DatabaseError
            )
        except sa_exceptions.DBAPIError as e:
            self.assert_(True)
            self.assert_("Error in str() of DB-API" in e.args[0])

    def test_db_error_noncompliant_dbapi(self):
        try:
            raise sa_exceptions.DBAPIError.instance(
                "", [], OutOfSpec(), DatabaseError
            )
        except sa_exceptions.DBAPIError as e:
            # OutOfSpec subclasses DatabaseError
            self.assert_(e.__class__ is sa_exceptions.DatabaseError)
        except OutOfSpec:
            self.assert_(False)

        try:
            raise sa_exceptions.DBAPIError.instance(
                "", [], sa_exceptions.ArgumentError(), DatabaseError
            )
        except sa_exceptions.DBAPIError as e:
            self.assert_(e.__class__ is sa_exceptions.DBAPIError)
        except sa_exceptions.ArgumentError:
            self.assert_(False)

        dialect = self._translating_dialect_fixture()
        try:
            raise sa_exceptions.DBAPIError.instance(
                "",
                [],
                sa_exceptions.ArgumentError(),
                DatabaseError,
                dialect=dialect,
            )
        except sa_exceptions.DBAPIError as e:
            self.assert_(e.__class__ is sa_exceptions.DBAPIError)
        except sa_exceptions.ArgumentError:
            self.assert_(False)

    def test_db_error_dbapi_uses_wrong_names(self):
        dialect = self._translating_dialect_fixture()

        try:
            raise sa_exceptions.DBAPIError.instance(
                "", [], IntegrityError(), DatabaseError, dialect=dialect
            )
        except sa_exceptions.DBAPIError as e:
            self.assert_(e.__class__ is sa_exceptions.IntegrityError)

        try:
            raise sa_exceptions.DBAPIError.instance(
                "",
                [],
                SpecificIntegrityError(),
                DatabaseError,
                dialect=dialect,
            )
        except sa_exceptions.DBAPIError as e:
            self.assert_(e.__class__ is sa_exceptions.IntegrityError)

        try:
            raise sa_exceptions.DBAPIError.instance(
                "", [], SpecificIntegrityError(), DatabaseError
            )
        except sa_exceptions.DBAPIError as e:
            # doesn't work without a dialect
            self.assert_(e.__class__ is not sa_exceptions.IntegrityError)

    def test_db_error_keyboard_interrupt(self):
        try:
            raise sa_exceptions.DBAPIError.instance(
                "", [], KeyboardInterrupt(), DatabaseError
            )
        except sa_exceptions.DBAPIError:
            self.assert_(False)
        except KeyboardInterrupt:
            self.assert_(True)

    def test_db_error_system_exit(self):
        try:
            raise sa_exceptions.DBAPIError.instance(
                "", [], SystemExit(), DatabaseError
            )
        except sa_exceptions.DBAPIError:
            self.assert_(False)
        except SystemExit:
            self.assert_(True)
