From: Mike Bayer <mike_mp@zzzcomputing.com>
Date: Tue, 24 Aug 2021 15:02:52 +0000 (-0400)
Subject: Add test to ensure method given in #880 works
X-Git-Tag: rel_1_7_0~6^2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=0a0a199b4a038e9e50d90703e5754d015eee4bc1;p=thirdparty%2Fsqlalchemy%2Falembic.git

Add test to ensure method given in #880 works

Change-Id: I05dae157320be49eb598084388196e72896bc89d
Fixes: #880
---

diff --git a/tests/test_autogen_indexes.py b/tests/test_autogen_indexes.py
index e25ddc20..8a4c26f4 100644
--- a/tests/test_autogen_indexes.py
+++ b/tests/test_autogen_indexes.py
@@ -10,6 +10,8 @@ from sqlalchemy import PrimaryKeyConstraint
 from sqlalchemy import String
 from sqlalchemy import Table
 from sqlalchemy import UniqueConstraint
+from sqlalchemy.sql.expression import column
+from sqlalchemy.sql.expression import desc
 
 from alembic.testing import assertions
 from alembic.testing import combinations
@@ -1052,6 +1054,20 @@ class AutogenerateUniqueIndexTest(AutogenFixtureTest, TestBase):
 
         eq_(diffs[0][0], "add_index")
 
+    @config.requirements.reflects_indexes_w_sorting
+    def test_idx_string_col_in_fn_no_change(self):
+        """test #880"""
+        m1 = MetaData()
+        m2 = MetaData()
+        t1 = Table("add_ix", m1, Column("x", String(50)))
+        t1.append_constraint(Index("foo_idx", desc(column("x"))))
+
+        t2 = Table("add_ix", m2, Column("x", String(50)))
+        t2.append_constraint(Index("foo_idx", desc(column("x"))))
+        diffs = self._fixture(m1, m2)
+
+        eq_(diffs, [])
+
     @config.requirements.reflects_indexes_w_sorting
     def test_unchanged_idx_non_col(self):
         m1 = MetaData()