From: Daniele Varrazzo <daniele.varrazzo@gmail.com>
Date: Thu, 29 Oct 2020 14:08:37 +0000 (+0100)
Subject: Added test to make sure binary minus in client-side binding works ok
X-Git-Tag: 3.0.dev0~413
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bab84302c1fccdab5ae112d46317d75b861e0cbe;p=thirdparty%2Fpsycopg.git

Added test to make sure binary minus in client-side binding works ok
---

diff --git a/tests/types/test_numeric.py b/tests/types/test_numeric.py
index 8f4d349f6..5b7bf193a 100644
--- a/tests/types/test_numeric.py
+++ b/tests/types/test_numeric.py
@@ -368,6 +368,15 @@ def test_numeric_as_float(conn, val):
 def test_minus_minus(conn, pgtype):
     cur = conn.cursor()
     cast = f"::{pgtype}" if pgtype is not None else ""
-    cur.execute("select -%%s%s" % cast, [-1])
+    cur.execute(f"select -%s{cast}", [-1])
+    result = cur.fetchone()[0]
+    assert result == 1
+
+
+@pytest.mark.parametrize("pgtype", [None, "float8", "int8", "numeric"])
+def test_minus_minus_quote(conn, pgtype):
+    cur = conn.cursor()
+    cast = f"::{pgtype}" if pgtype is not None else ""
+    cur.execute(sql.SQL("select -{}{}").format(sql.Literal(-1), sql.SQL(cast)))
     result = cur.fetchone()[0]
     assert result == 1