<,�tEXtComment File Manager

File Manager

Path: /opt/cloudlinux/venv/lib64/python3.11/site-packages/alembic/testing/suite/

Viewing File: test_autogen_fks.py

from sqlalchemy import Column
from sqlalchemy import ForeignKeyConstraint
from sqlalchemy import Integer
from sqlalchemy import MetaData
from sqlalchemy import String
from sqlalchemy import Table

from ._autogen_fixtures import AutogenFixtureTest
from ...testing import combinations
from ...testing import config
from ...testing import eq_
from ...testing import mock
from ...testing import TestBase


class AutogenerateForeignKeysTest(AutogenFixtureTest, TestBase):
    __backend__ = True
    __requires__ = ("foreign_key_constraint_reflection",)

    def test_remove_fk(self):
        m1 = MetaData()
        m2 = MetaData()

        Table(
            "some_table",
            m1,
            Column("test", String(10), primary_key=True),
        )

        Table(
            "user",
            m1,
            Column("id", Integer, primary_key=True),
            Column("name", String(50), nullable=False),
            Column("a1", String(10), server_default="x"),
            Column("test2", String(10)),
            ForeignKeyConstraint(["test2"], ["some_table.test"]),
        )

        Table(
            "some_table",
            m2,
            Column("test", String(10), primary_key=True),
        )

        Table(
            "user",
            m2,
            Column("id", Integer, primary_key=True),
            Column("name", String(50), nullable=False),
            Column("a1", String(10), server_default="x"),
            Column("test2", String(10)),
        )

        diffs = self._fixture(m1, m2)

        self._assert_fk_diff(
            diffs[0],
            "remove_fk",
            "user",
            ["test2"],
            "some_table",
            ["test"],
            conditional_name="servergenerated",
        )

    def test_add_fk(self):
        m1 = MetaData()
        m2 = MetaData()

        Table(
            "some_table",
            m1,
            Column("id", Integer, primary_key=True),
            Column("test", String(10)),
        )

        Table(
            "user",
            m1,
            Column("id", Integer, primary_key=True),
            Column("name", String(50), nullable=False),
            Column("a1", String(10), server_default="x"),
            Column("test2", String(10)),
        )

        Table(
            "some_table",
            m2,
            Column("id", Integer, primary_key=True),
            Column("test", String(10)),
        )

        Table(
            "user",
            m2,
            Column("id", Integer, primary_key=True),
            Column("name", String(50), nullable=False),
            Column("a1", String(10), server_default="x"),
            Column("test2", String(10)),
            ForeignKeyConstraint(["test2"], ["some_table.test"]),
        )

        diffs = self._fixture(m1, m2)

        self._assert_fk_diff(
            diffs[0], "add_fk", "user", ["test2"], "some_table", ["test"]
        )

    def test_no_change(self):
        m1 = MetaData()
        m2 = MetaData()

        Table(
            "some_table",
            m1,
            Column("id", Integer, primary_key=True),
            Column("test", String(10)),
        )

        Table(
            "user",
            m1,
            Column("id", Integer, primary_key=True),
            Column("name", String(50), nullable=False),
            Column("a1", String(10), server_default="x"),
            Column("test2", Integer),
            ForeignKeyConstraint(["test2"], ["some_table.id"]),
        )

        Table(
            "some_table",
            m2,
            Column("id", Integer, primary_key=True),
            Column("test", String(10)),
        )

        Table(
            "user",
            m2,
            Column("id", Integer, primary_key=True),
            Column("name", String(50), nullable=False),
            Column("a1", String(10), server_default="x"),
            Column("test2", Integer),
            ForeignKeyConstraint(["test2"], ["some_table.id"]),
        )

        diffs = self._fixture(m1, m2)

        eq_(diffs, [])

    def test_no_change_composite_fk(self):
        m1 = MetaData()
        m2 = MetaData()

        Table(
            "some_table",
            m1,
            Column("id_1", String(10), primary_key=True),
            Column("id_2", String(10), primary_key=True),
        )

        Table(
            "user",
            m1,
            Column("id", Integer, primary_key=True),
            Column("name", String(50), nullable=False),
            Column("a1", String(10), server_default="x"),
            Column("other_id_1", String(10)),
            Column("other_id_2", String(10)),
            ForeignKeyConstraint(
                ["other_id_1", "other_id_2"],
                ["some_table.id_1", "some_table.id_2"],
            ),
        )

        Table(
            "some_table",
            m2,
            Column("id_1", String(10), primary_key=True),
            Column("id_2", String(10), primary_key=True),
        )

        Table(
            "user",
            m2,
            Column("id", Integer, primary_key=True),
            Column("name", String(50), nullable=False),
            Column("a1", String(10), server_default="x"),
            Column("other_id_1", String(10)),
            Column("other_id_2", String(10)),
            ForeignKeyConstraint(
                ["other_id_1", "other_id_2"],
                ["some_table.id_1", "some_table.id_2"],
            ),
        )

        diffs = self._fixture(m1, m2)

        eq_(diffs, [])

    def test_casing_convention_changed_so_put_drops_first(self):
        m1 = MetaData()
        m2 = MetaData()

        Table(
            "some_table",
            m1,
            Column("test", String(10), primary_key=True),
        )

        Table(
            "user",
            m1,
            Column("id", Integer, primary_key=True),
            Column("name", String(50), nullable=False),
            Column("a1", String(10), server_default="x"),
            Column("test2", String(10)),
            ForeignKeyConstraint(["test2"], ["some_table.test"], name="MyFK"),
        )

        Table(
            "some_table",
            m2,
            Column("test", String(10), primary_key=True),
        )

        # foreign key autogen currently does not take "name" into account,
        # so change the def just for the purposes of testing the
        # add/drop order for now.
        Table(
            "user",
            m2,
            Column("id", Integer, primary_key=True),
            Column("name", String(50), nullable=False),
            Column("a1", String(10), server_default="x"),
            Column("test2", String(10)),
            ForeignKeyConstraint(["a1"], ["some_table.test"], name="myfk"),
        )

        diffs = self._fixture(m1, m2)

        self._assert_fk_diff(
            diffs[0],
            "remove_fk",
            "user",
            ["test2"],
            "some_table",
            ["test"],
            name="MyFK" if config.requirements.fk_names.enabled else None,
        )

        self._assert_fk_diff(
            diffs[1],
            "add_fk",
            "user",
            ["a1"],
            "some_table",
            ["test"],
            name="myfk",
        )

    def test_add_composite_fk_with_name(self):
        m1 = MetaData()
        m2 = MetaData()

        Table(
            "some_table",
            m1,
            Column("id_1", String(10), primary_key=True),
            Column("id_2", String(10), primary_key=True),
        )

        Table(
            "user",
            m1,
            Column("id", Integer, primary_key=True),
            Column("name", String(50), nullable=False),
            Column("a1", String(10), server_default="x"),
            Column("other_id_1", String(10)),
            Column("other_id_2", String(10)),
        )

        Table(
            "some_table",
            m2,
            Column("id_1", String(10), primary_key=True),
            Column("id_2", String(10), primary_key=True),
        )

        Table(
            "user",
            m2,
            Column("id", Integer, primary_key=True),
            Column("name", String(50), nullable=False),
            Column("a1", String(10), server_default="x"),
            Column("other_id_1", String(10)),
            Column("other_id_2", String(10)),
            ForeignKeyConstraint(
                ["other_id_1", "other_id_2"],
                ["some_table.id_1", "some_table.id_2"],
                name="fk_test_name",
            ),
        )

        diffs = self._fixture(m1, m2)
        self._assert_fk_diff(
            diffs[0],
            "add_fk",
            "user",
            ["other_id_1", "other_id_2"],
            "some_table",
            ["id_1", "id_2"],
            name="fk_test_name",
        )

    @config.requirements.no_name_normalize
    def test_remove_composite_fk(self):
        m1 = MetaData()
        m2 = MetaData()

        Table(
            "some_table",
            m1,
            Column("id_1", String(10), primary_key=True),
            Column("id_2", String(10), primary_key=True),
        )

        Table(
            "user",
            m1,
            Column("id", Integer, primary_key=True),
            Column("name", String(50), nullable=False),
            Column("a1", String(10), server_default="x"),
            Column("other_id_1", String(10)),
            Column("other_id_2", String(10)),
            ForeignKeyConstraint(
                ["other_id_1", "other_id_2"],
                ["some_table.id_1", "some_table.id_2"],
                name="fk_test_name",
            ),
        )

        Table(
            "some_table",
            m2,
            Column("id_1", String(10), primary_key=True),
            Column("id_2", String(10), primary_key=True),
        )

        Table(
            "user",
            m2,
            Column("id", Integer, primary_key=True),
            Column("name", String(50), nullable=False),
            Column("a1", String(10), server_default="x"),
            Column("other_id_1", String(10)),
            Column("other_id_2", String(10)),
        )

        diffs = self._fixture(m1, m2)

        self._assert_fk_diff(
            diffs[0],
            "remove_fk",
            "user",
            ["other_id_1", "other_id_2"],
            "some_table",
            ["id_1", "id_2"],
            conditional_name="fk_test_name",
        )

    def test_add_fk_colkeys(self):
        m1 = MetaData()
        m2 = MetaData()

        Table(
            "some_table",
            m1,
            Column("id_1", String(10), primary_key=True),
            Column("id_2", String(10), primary_key=True),
        )

        Table(
            "user",
            m1,
            Column("id", Integer, primary_key=True),
            Column("other_id_1", String(10)),
            Column("other_id_2", String(10)),
        )

        Table(
            "some_table",
            m2,
            Column("id_1", String(10), key="tid1", primary_key=True),
            Column("id_2", String(10), key="tid2", primary_key=True),
        )

        Table(
            "user",
            m2,
            Column("id", Integer, primary_key=True),
            Column("other_id_1", String(10), key="oid1"),
            Column("other_id_2", String(10), key="oid2"),
            ForeignKeyConstraint(
                ["oid1", "oid2"],
                ["some_table.tid1", "some_table.tid2"],
                name="fk_test_name",
            ),
        )

        diffs = self._fixture(m1, m2)

        self._assert_fk_diff(
            diffs[0],
            "add_fk",
            "user",
            ["other_id_1", "other_id_2"],
            "some_table",
            ["id_1", "id_2"],
            name="fk_test_name",
        )

    def test_no_change_colkeys(self):
        m1 = MetaData()
        m2 = MetaData()

        Table(
            "some_table",
            m1,
            Column("id_1", String(10), primary_key=True),
            Column("id_2", String(10), primary_key=True),
        )

        Table(
            "user",
            m1,
            Column("id", Integer, primary_key=True),
            Column("other_id_1", String(10)),
            Column("other_id_2", String(10)),
            ForeignKeyConstraint(
                ["other_id_1", "other_id_2"],
                ["some_table.id_1", "some_table.id_2"],
            ),
        )

        Table(
            "some_table",
            m2,
            Column("id_1", String(10), key="tid1", primary_key=True),
            Column("id_2", String(10), key="tid2", primary_key=True),
        )

        Table(
            "user",
            m2,
            Column("id", Integer, primary_key=True),
            Column("other_id_1", String(10), key="oid1"),
            Column("other_id_2", String(10), key="oid2"),
            ForeignKeyConstraint(
                ["oid1", "oid2"], ["some_table.tid1", "some_table.tid2"]
            ),
        )

        diffs = self._fixture(m1, m2)

        eq_(diffs, [])


class IncludeHooksTest(AutogenFixtureTest, TestBase):
    __backend__ = True
    __requires__ = ("fk_names",)

    @combinations(("object",), ("name",))
    @config.requirements.no_name_normalize
    def test_remove_connection_fk(self, hook_type):
        m1 = MetaData()
        m2 = MetaData()

        ref = Table(
            "ref",
            m1,
            Column("id", Integer, primary_key=True),
        )
        t1 = Table(
            "t",
            m1,
            Column("x", Integer),
            Column("y", Integer),
        )
        t1.append_constraint(
            ForeignKeyConstraint([t1.c.x], [ref.c.id], name="fk1")
        )
        t1.append_constraint(
            ForeignKeyConstraint([t1.c.y], [ref.c.id], name="fk2")
        )

        ref = Table(
            "ref",
            m2,
            Column("id", Integer, primary_key=True),
        )
        Table(
            "t",
            m2,
            Column("x", Integer),
            Column("y", Integer),
        )

        if hook_type == "object":

            def include_object(object_, name, type_, reflected, compare_to):
                return not (
                    isinstance(object_, ForeignKeyConstraint)
                    and type_ == "foreign_key_constraint"
                    and reflected
                    and name == "fk1"
                )

            diffs = self._fixture(m1, m2, object_filters=include_object)
        elif hook_type == "name":

            def include_name(name, type_, parent_names):
                if name == "fk1":
                    if type_ == "index":  # MariaDB thing
                        return True
                    eq_(type_, "foreign_key_constraint")
                    eq_(
                        parent_names,
                        {
                            "schema_name": None,
                            "table_name": "t",
                            "schema_qualified_table_name": "t",
                        },
                    )
                    return False
                else:
                    return True

            diffs = self._fixture(m1, m2, name_filters=include_name)

        self._assert_fk_diff(
            diffs[0],
            "remove_fk",
            "t",
            ["y"],
            "ref",
            ["id"],
            conditional_name="fk2",
        )
        eq_(len(diffs), 1)

    def test_add_metadata_fk(self):
        m1 = MetaData()
        m2 = MetaData()

        Table(
            "ref",
            m1,
            Column("id", Integer, primary_key=True),
        )
        Table(
            "t",
            m1,
            Column("x", Integer),
            Column("y", Integer),
        )

        ref = Table(
            "ref",
            m2,
            Column("id", Integer, primary_key=True),
        )
        t2 = Table(
            "t",
            m2,
            Column("x", Integer),
            Column("y", Integer),
        )
        t2.append_constraint(
            ForeignKeyConstraint([t2.c.x], [ref.c.id], name="fk1")
        )
        t2.append_constraint(
            ForeignKeyConstraint([t2.c.y], [ref.c.id], name="fk2")
        )

        def include_object(object_, name, type_, reflected, compare_to):
            return not (
                isinstance(object_, ForeignKeyConstraint)
                and type_ == "foreign_key_constraint"
                and not reflected
                and name == "fk1"
            )

        diffs = self._fixture(m1, m2, object_filters=include_object)

        self._assert_fk_diff(
            diffs[0], "add_fk", "t", ["y"], "ref", ["id"], name="fk2"
        )
        eq_(len(diffs), 1)

    @combinations(("object",), ("name",))
    @config.requirements.no_name_normalize
    def test_change_fk(self, hook_type):
        m1 = MetaData()
        m2 = MetaData()

        r1a = Table(
            "ref_a",
            m1,
            Column("a", Integer, primary_key=True),
        )
        Table(
            "ref_b",
            m1,
            Column("a", Integer, primary_key=True),
            Column("b", Integer, primary_key=True),
        )
        t1 = Table(
            "t",
            m1,
            Column("x", Integer),
            Column("y", Integer),
            Column("z", Integer),
        )
        t1.append_constraint(
            ForeignKeyConstraint([t1.c.x], [r1a.c.a], name="fk1")
        )
        t1.append_constraint(
            ForeignKeyConstraint([t1.c.y], [r1a.c.a], name="fk2")
        )

        Table(
            "ref_a",
            m2,
            Column("a", Integer, primary_key=True),
        )
        r2b = Table(
            "ref_b",
            m2,
            Column("a", Integer, primary_key=True),
            Column("b", Integer, primary_key=True),
        )
        t2 = Table(
            "t",
            m2,
            Column("x", Integer),
            Column("y", Integer),
            Column("z", Integer),
        )
        t2.append_constraint(
            ForeignKeyConstraint(
                [t2.c.x, t2.c.z], [r2b.c.a, r2b.c.b], name="fk1"
            )
        )
        t2.append_constraint(
            ForeignKeyConstraint(
                [t2.c.y, t2.c.z], [r2b.c.a, r2b.c.b], name="fk2"
            )
        )

        if hook_type == "object":

            def include_object(object_, name, type_, reflected, compare_to):
                return not (
                    isinstance(object_, ForeignKeyConstraint)
                    and type_ == "foreign_key_constraint"
                    and name == "fk1"
                )

            diffs = self._fixture(m1, m2, object_filters=include_object)
        elif hook_type == "name":

            def include_name(name, type_, parent_names):
                if type_ == "index":
                    return True  # MariaDB thing

                if name == "fk1":
                    eq_(type_, "foreign_key_constraint")
                    eq_(
                        parent_names,
                        {
                            "schema_name": None,
                            "table_name": "t",
                            "schema_qualified_table_name": "t",
                        },
                    )
                    return False
                else:
                    return True

            diffs = self._fixture(m1, m2, name_filters=include_name)

        if hook_type == "object":
            self._assert_fk_diff(
                diffs[0], "remove_fk", "t", ["y"], "ref_a", ["a"], name="fk2"
            )
            self._assert_fk_diff(
                diffs[1],
                "add_fk",
                "t",
                ["y", "z"],
                "ref_b",
                ["a", "b"],
                name="fk2",
            )
            eq_(len(diffs), 2)
        elif hook_type == "name":
            eq_(
                {(d[0], d[1].name) for d in diffs},
                {("add_fk", "fk2"), ("add_fk", "fk1"), ("remove_fk", "fk2")},
            )


class AutogenerateFKOptionsTest(AutogenFixtureTest, TestBase):
    __backend__ = True

    def _fk_opts_fixture(self, old_opts, new_opts):
        m1 = MetaData()
        m2 = MetaData()

        Table(
            "some_table",
            m1,
            Column("id", Integer, primary_key=True),
            Column("test", String(10)),
        )

        Table(
            "user",
            m1,
            Column("id", Integer, primary_key=True),
            Column("name", String(50), nullable=False),
            Column("tid", Integer),
            ForeignKeyConstraint(["tid"], ["some_table.id"], **old_opts),
        )

        Table(
            "some_table",
            m2,
            Column("id", Integer, primary_key=True),
            Column("test", String(10)),
        )

        Table(
            "user",
            m2,
            Column("id", Integer, primary_key=True),
            Column("name", String(50), nullable=False),
            Column("tid", Integer),
            ForeignKeyConstraint(["tid"], ["some_table.id"], **new_opts),
        )

        return self._fixture(m1, m2)

    @config.requirements.fk_ondelete_is_reflected
    def test_add_ondelete(self):
        diffs = self._fk_opts_fixture({}, {"ondelete": "cascade"})

        self._assert_fk_diff(
            diffs[0],
            "remove_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            ondelete=None,
            conditional_name="servergenerated",
        )

        self._assert_fk_diff(
            diffs[1],
            "add_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            ondelete="cascade",
        )

    @config.requirements.fk_ondelete_is_reflected
    def test_remove_ondelete(self):
        diffs = self._fk_opts_fixture({"ondelete": "CASCADE"}, {})

        self._assert_fk_diff(
            diffs[0],
            "remove_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            ondelete="CASCADE",
            conditional_name="servergenerated",
        )

        self._assert_fk_diff(
            diffs[1],
            "add_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            ondelete=None,
        )

    def test_nochange_ondelete(self):
        """test case sensitivity"""
        diffs = self._fk_opts_fixture(
            {"ondelete": "caSCAde"}, {"ondelete": "CasCade"}
        )
        eq_(diffs, [])

    @config.requirements.fk_onupdate_is_reflected
    def test_add_onupdate(self):
        diffs = self._fk_opts_fixture({}, {"onupdate": "cascade"})

        self._assert_fk_diff(
            diffs[0],
            "remove_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            onupdate=None,
            conditional_name="servergenerated",
        )

        self._assert_fk_diff(
            diffs[1],
            "add_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            onupdate="cascade",
        )

    @config.requirements.fk_onupdate_is_reflected
    def test_remove_onupdate(self):
        diffs = self._fk_opts_fixture({"onupdate": "CASCADE"}, {})

        self._assert_fk_diff(
            diffs[0],
            "remove_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            onupdate="CASCADE",
            conditional_name="servergenerated",
        )

        self._assert_fk_diff(
            diffs[1],
            "add_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            onupdate=None,
        )

    @config.requirements.fk_onupdate
    def test_nochange_onupdate(self):
        """test case sensitivity"""
        diffs = self._fk_opts_fixture(
            {"onupdate": "caSCAde"}, {"onupdate": "CasCade"}
        )
        eq_(diffs, [])

    @config.requirements.fk_ondelete_restrict
    def test_nochange_ondelete_restrict(self):
        """test the RESTRICT option which MySQL doesn't report on"""

        diffs = self._fk_opts_fixture(
            {"ondelete": "restrict"}, {"ondelete": "restrict"}
        )
        eq_(diffs, [])

    @config.requirements.fk_onupdate_restrict
    def test_nochange_onupdate_restrict(self):
        """test the RESTRICT option which MySQL doesn't report on"""

        diffs = self._fk_opts_fixture(
            {"onupdate": "restrict"}, {"onupdate": "restrict"}
        )
        eq_(diffs, [])

    @config.requirements.fk_ondelete_noaction
    def test_nochange_ondelete_noaction(self):
        """test the NO ACTION option which generally comes back as None"""

        diffs = self._fk_opts_fixture(
            {"ondelete": "no action"}, {"ondelete": "no action"}
        )
        eq_(diffs, [])

    @config.requirements.fk_onupdate
    def test_nochange_onupdate_noaction(self):
        """test the NO ACTION option which generally comes back as None"""

        diffs = self._fk_opts_fixture(
            {"onupdate": "no action"}, {"onupdate": "no action"}
        )
        eq_(diffs, [])

    @config.requirements.fk_ondelete_restrict
    def test_change_ondelete_from_restrict(self):
        """test the RESTRICT option which MySQL doesn't report on"""

        # note that this is impossible to detect if we change
        # from RESTRICT to NO ACTION on MySQL.
        diffs = self._fk_opts_fixture(
            {"ondelete": "restrict"}, {"ondelete": "cascade"}
        )
        self._assert_fk_diff(
            diffs[0],
            "remove_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            onupdate=None,
            ondelete=mock.ANY,  # MySQL reports None, PG reports RESTRICT
            conditional_name="servergenerated",
        )

        self._assert_fk_diff(
            diffs[1],
            "add_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            onupdate=None,
            ondelete="cascade",
        )

    @config.requirements.fk_ondelete_restrict
    def test_change_onupdate_from_restrict(self):
        """test the RESTRICT option which MySQL doesn't report on"""

        # note that this is impossible to detect if we change
        # from RESTRICT to NO ACTION on MySQL.
        diffs = self._fk_opts_fixture(
            {"onupdate": "restrict"}, {"onupdate": "cascade"}
        )
        self._assert_fk_diff(
            diffs[0],
            "remove_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            onupdate=mock.ANY,  # MySQL reports None, PG reports RESTRICT
            ondelete=None,
            conditional_name="servergenerated",
        )

        self._assert_fk_diff(
            diffs[1],
            "add_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            onupdate="cascade",
            ondelete=None,
        )

    @config.requirements.fk_ondelete_is_reflected
    @config.requirements.fk_onupdate_is_reflected
    def test_ondelete_onupdate_combo(self):
        diffs = self._fk_opts_fixture(
            {"onupdate": "CASCADE", "ondelete": "SET NULL"},
            {"onupdate": "RESTRICT", "ondelete": "RESTRICT"},
        )

        self._assert_fk_diff(
            diffs[0],
            "remove_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            onupdate="CASCADE",
            ondelete="SET NULL",
            conditional_name="servergenerated",
        )

        self._assert_fk_diff(
            diffs[1],
            "add_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            onupdate="RESTRICT",
            ondelete="RESTRICT",
        )

    @config.requirements.fk_initially
    def test_add_initially_deferred(self):
        diffs = self._fk_opts_fixture({}, {"initially": "deferred"})

        self._assert_fk_diff(
            diffs[0],
            "remove_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            initially=None,
            conditional_name="servergenerated",
        )

        self._assert_fk_diff(
            diffs[1],
            "add_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            initially="deferred",
        )

    @config.requirements.fk_initially
    def test_remove_initially_deferred(self):
        diffs = self._fk_opts_fixture({"initially": "deferred"}, {})

        self._assert_fk_diff(
            diffs[0],
            "remove_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            initially="DEFERRED",
            deferrable=True,
            conditional_name="servergenerated",
        )

        self._assert_fk_diff(
            diffs[1],
            "add_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            initially=None,
        )

    @config.requirements.fk_deferrable
    @config.requirements.fk_initially
    def test_add_initially_immediate_plus_deferrable(self):
        diffs = self._fk_opts_fixture(
            {}, {"initially": "immediate", "deferrable": True}
        )

        self._assert_fk_diff(
            diffs[0],
            "remove_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            initially=None,
            conditional_name="servergenerated",
        )

        self._assert_fk_diff(
            diffs[1],
            "add_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            initially="immediate",
            deferrable=True,
        )

    @config.requirements.fk_deferrable
    @config.requirements.fk_initially
    def test_remove_initially_immediate_plus_deferrable(self):
        diffs = self._fk_opts_fixture(
            {"initially": "immediate", "deferrable": True}, {}
        )

        self._assert_fk_diff(
            diffs[0],
            "remove_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            initially=None,  # immediate is the default
            deferrable=True,
            conditional_name="servergenerated",
        )

        self._assert_fk_diff(
            diffs[1],
            "add_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            initially=None,
            deferrable=None,
        )

    @config.requirements.fk_initially
    @config.requirements.fk_deferrable
    def test_add_initially_deferrable_nochange_one(self):
        diffs = self._fk_opts_fixture(
            {"deferrable": True, "initially": "immediate"},
            {"deferrable": True, "initially": "immediate"},
        )

        eq_(diffs, [])

    @config.requirements.fk_initially
    @config.requirements.fk_deferrable
    def test_add_initially_deferrable_nochange_two(self):
        diffs = self._fk_opts_fixture(
            {"deferrable": True, "initially": "deferred"},
            {"deferrable": True, "initially": "deferred"},
        )

        eq_(diffs, [])

    @config.requirements.fk_initially
    @config.requirements.fk_deferrable
    def test_add_initially_deferrable_nochange_three(self):
        diffs = self._fk_opts_fixture(
            {"deferrable": None, "initially": "deferred"},
            {"deferrable": None, "initially": "deferred"},
        )

        eq_(diffs, [])

    @config.requirements.fk_deferrable
    def test_add_deferrable(self):
        diffs = self._fk_opts_fixture({}, {"deferrable": True})

        self._assert_fk_diff(
            diffs[0],
            "remove_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            deferrable=None,
            conditional_name="servergenerated",
        )

        self._assert_fk_diff(
            diffs[1],
            "add_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            deferrable=True,
        )

    @config.requirements.fk_deferrable_is_reflected
    def test_remove_deferrable(self):
        diffs = self._fk_opts_fixture({"deferrable": True}, {})

        self._assert_fk_diff(
            diffs[0],
            "remove_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            deferrable=True,
            conditional_name="servergenerated",
        )

        self._assert_fk_diff(
            diffs[1],
            "add_fk",
            "user",
            ["tid"],
            "some_table",
            ["id"],
            deferrable=None,
        )

��b IDATx��ytVս��ϓ22 �A@�IR��:�h�CiZ[�v��*E��:�W��ũZA� ^d��QeQ ��@ !��j�Z�'�>g�s��V��仿$�|?g�)&x-E�IE�N�T ��;@x�T.i��%-��X��}S�v�S�5�.��r/UHz^�_$-��W"�w��)�Ɗ�/@Z �&IoX��P�$K��}��JzX��:�;`�� &�, ��ŋu�i��,�e��6��m��X� Ե��rKb1�ԗ��)D�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�AD�A�݀!��I*��]R;I�2$eZ#OR��Z��Sr��r�6m��teff�u��*((P��u�'��v{��DIߔ4^�pI��m�'77WEEE;v�Ǝ��4�-��$]'�RI��{��\�I�&�G�� :I��HJ�� DWBB��=�\��W�R�޽m� o$K�(�V9��ABB�.��}��jѢ��v�`^?IO�ȅ}ڶm�G}T#F��J`�5�6��$-��ھ}�F��I�&��v;0(h;��Б�3�8CӧOWf��!�;A i:��F_m��9s&�|�q%=�#��w��Z�p�rrrl�a A� &��P\\��СC�[A#!� �{��o��l��F�} `��E2��}��M��K/��vV��)i��{4Bff�V�\��|ۭX�`��b�@��k��ɶ�@��%i��$K�z��5z�h�mX�[�I�XZ`� '��b%$��r�5��M��4�º��/�l� ԃ��ߖ�xhʔ)�[@=�} K�6IM}^��5k��㏷݆��z ��Η�ÿO��:gdG��B�m��y�T/��@+��Vɶ�纽z񕏵l�.��y�޴i�t뭷zV��0[�Y^>�Ws�qs}�\/�@$�(�T7�f��.��I�nݺi��R$푔n��.�~?H))\Z�RW'M�o�~v� Ov6o��ԃ��x��z��!�S,&�xm/�y�ɞԟ?�'ua��S�ѽ��b�,8�Gל�K��b��o�i�&��3t7Y,��)JJ��c[�n��z��ӳ�d�E��&K�sZ�Lӄ��I?@��&�%ӟ�۶mSMM�њ0��i�ؐSZ�,�|J+��N�� ~�,��0A0!5%Q-��YQQa��3}$_vV��r�f9f?S8`��zD�AD�AD�AD�AD�AD�AD�AD�AD�A�d��q�P��,ت��m��M��mg��1V?�r�S��I꒟��]�u|�l ��R��CyE�f�٢9�j��URb�zt�Ѱ!m5~tG��j�2�D��h�G�*�{H9�)꒟��ר3:(+3\?�/;TU��ݭ��ʴ~S�6lڧ��U��J*�i�$�d�(#=Yݺd�{�,�p|3��B))��q�:��vN0Y.�jk��ק6��;�SɶVzHJJЀ�-u��tѹ�սk��>�QUU��\��޲��~]fF�n��K?��&��ߡ��5��b��=z9�)��^�|u_�k�-[��y%Z��NU6 ��7M�i��:�]ۦt�k��[�n� ��X��(�e6B�b�.��"�8�cۭ|��~�t�e��u��u��w�|��ή��I-5�"��~��U��k��;��Zi�cE�m��N/��:�]�M��> cQ�^�ui�ƞ��??Ң��p�c#TUU�3�U��a��k��Nw�A`��:��Y_V��-8.KKf�R��itv�޲* 9S�6ֿ��j�,Ճ��NOMߤ��]��z�^��f��O�h��|��<�>@Å5��_��/I��u?{S��Y��4h�K��/2��]��4�%i��t�5��q�]�G�G��e�2�%i�R��| ��W��&f�*^]�??��vq[��Lg��E��_��3f}��F�xu~��}q��d�-��ږF�xu~I N>\��;��͗��O��֊�:�̗��W��J@Bh�W=��y��|��Ggwܷ�H�_NY��?��)T��d��i�'?��խw�h�lm�Qi� �!SUU��sw4kӺ�e4rf��x�u�-[n�Ht��MFj}�H�_��u�~w�>)�o�V}�(�T'��e��bʒ�v��3_�[+v�n@Ȭ\S�}��o��t��}w��=��k�H��F�n�xg��S�� 0eޢm~�l��}��u��q��Z�f��F��oZuu��E��g� ��`z�t~?b�;t�%�>��WTkķ�h��[�2e�G8L��IW�x��,��^\thr�l��^��Ϊ��{��=�ǆ��<}�q��V�@ ��⠨��W��y^��L��F_��>�0��U�k��D�u�ʫu��Cs$)I��v��:�IK��;6ֲ�4{^��6��ե��m+l��3>�݆��uM �9��u��?>�Z��c��}g�~q��h��Kw��ڭ��eFMM�~p�М�uq�ǿz��6T��b@8��@Y�|��jx��]�(^]�gf�}�M�"tG ��-w��.@�vOqh~/�HII��`��S�[l��.��6�nØXL��9�v�U�cOo��B�\�x�o��Ǥ�'�T�&I��Ǎ�Qw��_w�p�v��[�k�m��O�{�w�~�>�#=P1P�ɞ�a�-w��e�:i�Ǐl��H��o�׈��꒟�f9��SzH�?��+s�h�k%F��s:��q��Vh�qY��`��j�vO�'ρ?PyX3�lх��]�˾u��V�{��ݞ]1��,�M�z�YN�W~̈́�joY�n��}��ȚF߾׮mS]��F�� z�+�E��D�xm/��d{�F��{-�W��-�4w�Y��듏:�?��?��_�g�P�f� ^3��e��cg ��ҵs��8R��2�מ�z�@T��A��N��Gj�)��}CNi��/�R~��}��c:5�{��!��Z�HӋӾ��6}T�]��G�]�7W�6^��n �9*,��Y��qOZj��:P?�Q�� DF��L�|��?��-�^��.��Ɵ�7��}f�F�h׶��xe��2P�s��c��z�1��&5\cn��[�=�V��n[��ĶE鎀uˌ��d3G�II ��k�;�l�NmشOuuRVf��BE��]ۣ�eӶu :��X�-[��(��e��r�4��~��LH�i�6:��Ѻ@ԅ��r��ST�0��trk%$Č��0ez��"� *��z�"��T�/X9|8��.��C5F�eg}��C�Q%�͞�ˣ��JvL��/��?�j�^��h��&�9x�F��`�њ�Z��(��&�y��F��&Iݻf�g��#��W��;�3^�{Wo^4�'v�V[[�K'��;+��m��Ӎִ�]AC@��W?1^{�එyh��+^]��f��m��~�i��Ե�]AB@��WTk�̏t��uR�?�l�.O�IH�i�Yy�Զ�]A�ˀ7c��:��q}ힽ��a�f�6��Z~�қm(��+sK4{^�6}T��*UUu�]��n��.��:kx{�:��2�� _m��=�sA�ߤ�U��@?��Z��-V�ކ�е��z왍��Nэ��{|5� pڶn��b� �p-@��sPg]0G7�fy��-��M�{GCF��'%�{�4`��=�$-�Ge\��eU:m�+Z�t�'�W��jO�!O�AF@��i�k&t�݆��ϥ_�� e��}��=]"��Wz��_��.��͜�E3�l�e�W��F�i��h|t��-w��Z��ۍ��-�u��w=�6�YN��{��6|��}��|��*={��Ѽ��n.�S�.��z��1z��j�ۻT��H]��흾� �D�u��D��v��mv��K��.`V]yY�~s�I��@��t?/��ϓ.� ��m�&�["�+��P��?M��z�ovV��ЫG3�-�G��RR��[(!!\�_��,��^��%?�v@��ҵ�ő�� m��`�Y)�te�m8��G��Mx.))A�]Y��i`�V��i��W�`�?�^��~!�S#��^+�ѽ��GZj��?V�ģ�0.))A�꨷��l�z�L�*��]��O��X�r��Y�`DBBL�Oj��{��-M�H'�ii�-ϰ��ok�7^�� )쭡�b��]�UX��S�ְ�mռY��|5��*��c�ֽk��0B��7镹%ڽ��P#8n�Ȏ��q}mJr�23��_>��l��E�5��$i��wu��i�+ ��H�~�F`��IjƵ@�q �\ �@#qG�0"��.�0"� l��`��.�0!� ,�AQ�HN6�q��z�k��KJ�#��o;`X�v2��>,tێJ��J��7Z/*��A��.@f�ف�jM��zk��g��@TvZ�H3Z�xu�6Ra��'%��O��?/d�Q��5�x��Yk��U]��R�ֽk�ق@��Da�S^�RS�ּ�5��|��B��e��HNN�͘p �Hvc�Y�c��C5:��y �#��`�οb��;z��2��.��!��k��r��}g��U��Wk��yZ��n�=�f�� Pv��sn��3�p��~�;4p�˚=�ē~�Nm�I] ��¾0lH[��_��L��h�sh��_��ғߤ��c_њ�e��c�)��g�7��V�IZ��5��yr�gk̞W��#��IjӪ�v�>��՞��y睝��M�8�[�|�]��\�շ��8�M��6�%�|@P��Z��ڨ�I-m��>=�k��=�'a��iRo�-x�?>Q��.��}`�Ȏ:�Ws�mu� �u�� > �.@,&��;+!!�˱�tﭧD��Q�w��RW\��vF\~Q7�>�s�p�Y�w$��%A~�;~}��6��¾��g�&if_��=��j�,�v+�U��L�1(tW��a��ke��:@Ș>�j�$�Gq�2�t7S?�vL��|��]u�/�� .�(�0�E��6M��k�6�h��iۺ��z�ښ��O��r��i�f�ޱ�xm/��G�x>�� La�l%%��~�{��l�Bs��R4�*��}{�0Z/��t��N�I��ɚ��p�V^#�L�f�:u@k#�RSu�� =��S^��Zy��uR/��.@n�&��΃z~��B=��0eg뺆��#,��Þ�[�B/?�H� uUf�7�y ��W��y}Bw��eg��ל`��Wh�(|��|��`l`.�;�Ws��?��V�@"��c:i�ɍ��L֯��PG�v�6z�c�tM��̠��'��:w��uW��;d��=�;E�v�e��D��}��9�J@B(��0�iհ�b�v�P�1{�\P��&��G�7��D��޴I��y��_��$-Q�jm�~Yrr�&]�C��Dv%b�h|�Yz�n�i_�R;�k��g�}n��JOII��w��yuL}{�Ќǋ�}�:+3Y�?:��W��J/N+Rz��d=�h��b��;d��j͒su��ݔ��@NKMԄ�j��qz��C��5@��y°�h��L��m;*5�ezᕏ��=�ep�� X��L�n?�מ:��r�`��۵�tŤ�Z�|�1�v`�V�뽧��_c��s�ج'�ߤ%o�Tuum�k%%%h�)�u�y]��N�k��[�n� ��'b�2� �l�.=��͜�E%��gf$��[c;�s:�V-�͞W��ߤW�h��-��j�7��]4��=��F-X�]�>��Z�LS�i��[�Y��*�W��e;��Z�a��n(ӇW|e(HNNP��5[= r4tP �&0�<��p�c#��`�v�TNV GFq��v�T�i�*��Ty�a�m�$��ߏWyE�*�V��JKMTfF�w��>'��$-�ؽ�.Ho��.��8��c��"@D�AD�AD�AD�AD�AD�AD�AD�AD�A~�j��*֘,N;Pi�3599�h=��g�o�ضL�g��i��J�5��փy~�}&��Z��d9p֚ e:|��h��L��`��`��b/��d9p�?�fgg+%%�hM��gXo��s�ج��, Ω��Ol0Z��h=x��d��j��L��m��h��ݻ�o��O�[�g_�l�,8a��]�٭+��ӧ��0��$��I�]��c��]:粹:Te��ꢢ"�5a^��K�g�h,&��=��=��՟^��߶�ߢE�ܹS �J}��I%�:8 �IDAT~,�9/ʃPW'M�o�}z��N�ƍ쨓z�Pb��NZ�~�^z�=4m��s��w��g;5�� Y�~��S�VM��RXUյڱ�R��f��?��s�:w �;6�H:�º��i��5��-�maM��&O��3;1I�K�eam�Z�h�͛7+##�v+�c ~u�~ca]�Gn��F'��ټL~��PPP��b��n� v�o��C�4R,ӟ��gg��%�hq}@#M�4IÇ�� O�y^�x�M��Z�x�� )� �yOw@H�k�N˖-Sǎm�b]X@n��+i��͖��!++K3g�d��\�$m�t�$^��Y�f��J��\8PR��F�)77W��א!Cl��$i��:�@@��_o��G�� I{$��#� ��8磌��ŋ9�1A��(�I�m7��֭��>}�ߴ�J�q�7ޗt��^� -[��ԩS�j�*��}��%]&�'� -��ɓ'�ꫯVzz��vB#�;a �7@G��xI��{��j޼�ƌ��.�LÇWBB�7��`O��"I�$/�@R�@eee��@�۷��>}�0��,ɒ2$53Xs��|c��S~��rpTYYY��} kH�c�%��&k��.]��, @��AD�AD�AD�AD�AD�AD�AD�AD�A��@�l��T��<%''�*��L�o�^={��رc5h� %$+CnܸQ3f��ҥK�}�vUVV��s�9G� R,�_{�x��ˇ��3��o߾��;TTTd�}��馛��]uuuG��~��i�ԩ��@4��b��n��v�m�vfϞ�/�Peeeq}}za I~,�誫��{UWW뮻��}��_~Y�ƍSMMM��Yχ֝w��aw\�ď�cxꩧt�E��ƍկ_?�۷��5��@�u�?�1�k�N�ׯWzz�/�w�y�>}z�j��3�� k�(�ٺu��q_�Z�v�f̘��:~�AB�Q&�r��|��!��%K��ҥK��g��Ԟ={<_��X-�z� !��C�y�FUU��z~�AB�QIIIjݺ��W�$UXX��D��ٳ��Z~�AB�Q�ƍ�e��c��W�$<(~<�RSS�v�Zu��jjjԧO�Z��Qu��@4� 8��m�&&&j�ԩ��g�$�ď��1h� ͟?_��{�768��@��g �=@�`)))��5o��6m��3��)��ѣ�ƌ��J�;w��ҿUTT��/��K��ZR�{~a=@��0o�<��*狔��i�F��ɶ[�ˎ;T]]��OX@��?��K�.�ۈ�xN ��pppppppppppppppppP��fl߾],�{ｧ��k۶mڿ��o�5B��TӦMӴiӴ|�r�� DB��2e�|�A��n!D��y�'t��k�Ν�[A� $***t�5��'�� "�!�駟��o�a�Dn�Ν:t�֭[g�D��ШQ��0�6q�D��;��@ ��x� M�6�v�(Pii��z�m��Z�4e��w��"@��̴i�x��f��[��~-F�ٱc��&I�Z�2�|��n��!�?$@��{�[��H�T��ɏ�#��@�h��Ȏ��I#�_�m�(F��/6Z3��z��'�\r�,��r��!��;��w2Z3j��=~�G��Y��7��"I�$��i�I.�p��_"��?�p��N`�y��DD��?: ��_�� G�ÿa��b�7J��!B��x@�0�� B��o ��c��G��@`1��C��[@�0��G ��@`0��C��_�u�V1�� a��CX��>�W�` |��`!<��S�`"<��.��`#�c�`�?c��A��C4 �?��c�� p#��~@�0��?:��0��8&��_��M�Q1��J�h#��?��/`��7��;I��q7�aw�Q��A�1Hp ��!�#��<8��/#@�1��U�l7��=�S�=��K.�4Z�?E��_$i��@��!�1�!E4�?��`��P_� ��@��Bă�1��0�#��:��"��a��U�,�x�b��F��Y1� ��[��n|��n� ��#'��v�E��H:`�x��b� ��#��v��D��4��Y ��h��i.i��&��E�Ζ��v#��O� H��4�I�Ŷ��}�:I�k�h��@t��ZR��F��#��(�tXҙ��zZ �?��I��3l7q��@õ��|ۍ�1,G��p�u��Y� ��Ꮿ@h��J��v#�x��xk$ ��v#�9��5��}��_��$��c �S�#��=+��"K�{F��*m7�`#��%�H:NRS�p�6I?��sIՖ{Ap��$I$I:QR��v�2$�Z�@�UJ*��$�]<��F��O4IEND�B`�