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-rw-r--r--test/dialect/postgresql/test_reflection.py77
1 files changed, 76 insertions, 1 deletions
diff --git a/test/dialect/postgresql/test_reflection.py b/test/dialect/postgresql/test_reflection.py
index 2c6795719..d85bdff77 100644
--- a/test/dialect/postgresql/test_reflection.py
+++ b/test/dialect/postgresql/test_reflection.py
@@ -5,9 +5,11 @@ from operator import itemgetter
import re
import sqlalchemy as sa
+from sqlalchemy import BigInteger
from sqlalchemy import Column
from sqlalchemy import exc
from sqlalchemy import ForeignKey
+from sqlalchemy import Identity
from sqlalchemy import Index
from sqlalchemy import inspect
from sqlalchemy import Integer
@@ -15,6 +17,7 @@ from sqlalchemy import join
from sqlalchemy import MetaData
from sqlalchemy import PrimaryKeyConstraint
from sqlalchemy import Sequence
+from sqlalchemy import SmallInteger
from sqlalchemy import String
from sqlalchemy import Table
from sqlalchemy import testing
@@ -33,6 +36,7 @@ from sqlalchemy.testing import mock
from sqlalchemy.testing.assertions import assert_raises
from sqlalchemy.testing.assertions import AssertsExecutionResults
from sqlalchemy.testing.assertions import eq_
+from sqlalchemy.testing.assertions import is_true
class ForeignTableReflectionTest(fixtures.TablesTest, AssertsExecutionResults):
@@ -1770,7 +1774,7 @@ class CustomTypeReflectionTest(fixtures.TestBase):
("my_custom_type(ARG1, ARG2)", ("ARG1", "ARG2")),
]:
column_info = dialect._get_column_info(
- "colname", sch, None, False, {}, {}, "public", None, ""
+ "colname", sch, None, False, {}, {}, "public", None, "", None
)
assert isinstance(column_info["type"], self.CustomType)
eq_(column_info["type"].arg1, args[0])
@@ -1845,3 +1849,74 @@ class IntervalReflectionTest(fixtures.TestBase):
assert isinstance(columns["data1"]["type"], INTERVAL)
eq_(columns["data1"]["type"].fields, None)
eq_(columns["data1"]["type"].precision, 6)
+
+
+class IdentityReflectionTest(fixtures.TablesTest):
+ __only_on__ = "postgresql"
+ __backend__ = True
+ __requires__ = ("identity_columns",)
+
+ @classmethod
+ def define_tables(cls, metadata):
+ Table(
+ "t1",
+ metadata,
+ Column(
+ "id1",
+ Integer,
+ Identity(
+ always=True,
+ start=2,
+ increment=3,
+ minvalue=-2,
+ maxvalue=42,
+ cycle=True,
+ cache=4,
+ ),
+ ),
+ Column("id2", Integer, Identity()),
+ Column("id3", BigInteger, Identity()),
+ Column("id4", SmallInteger, Identity()),
+ )
+
+ def test_reflect_identity(self):
+ insp = inspect(testing.db)
+ default = dict(
+ always=False,
+ start=1,
+ increment=1,
+ minvalue=1,
+ cycle=False,
+ cache=1,
+ )
+ cols = insp.get_columns("t1")
+ for col in cols:
+ if col["name"] == "id1":
+ is_true("identity" in col)
+ eq_(
+ col["identity"],
+ dict(
+ always=True,
+ start=2,
+ increment=3,
+ minvalue=-2,
+ maxvalue=42,
+ cycle=True,
+ cache=4,
+ ),
+ )
+ elif col["name"] == "id2":
+ is_true("identity" in col)
+ exp = default.copy()
+ exp.update(maxvalue=2 ** 31 - 1)
+ eq_(col["identity"], exp)
+ elif col["name"] == "id3":
+ is_true("identity" in col)
+ exp = default.copy()
+ exp.update(maxvalue=2 ** 63 - 1)
+ eq_(col["identity"], exp)
+ elif col["name"] == "id4":
+ is_true("identity" in col)
+ exp = default.copy()
+ exp.update(maxvalue=2 ** 15 - 1)
+ eq_(col["identity"], exp)