diff options
Diffstat (limited to '.venv/lib/python3.12/site-packages/alembic/testing/suite/test_autogen_fks.py')
| -rw-r--r-- | .venv/lib/python3.12/site-packages/alembic/testing/suite/test_autogen_fks.py | 1190 |
1 files changed, 1190 insertions, 0 deletions
diff --git a/.venv/lib/python3.12/site-packages/alembic/testing/suite/test_autogen_fks.py b/.venv/lib/python3.12/site-packages/alembic/testing/suite/test_autogen_fks.py new file mode 100644 index 00000000..0240b98d --- /dev/null +++ b/.venv/lib/python3.12/site-packages/alembic/testing/suite/test_autogen_fks.py @@ -0,0 +1,1190 @@ +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, + ) |