From: Daniele Varrazzo <daniele.varrazzo@gmail.com>
Date: Mon, 11 Jan 2021 15:04:11 +0000 (+0100)
Subject: Added test to reproduce array bug found with random data
X-Git-Tag: 3.0.dev0~176
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d01dafbb3574fa3284c6e9ca54ce765eed905d21;p=thirdparty%2Fpsycopg.git

Added test to reproduce array bug found with random data
---

diff --git a/tests/types/test_array.py b/tests/types/test_array.py
index 591901cfa..9de51c14a 100644
--- a/tests/types/test_array.py
+++ b/tests/types/test_array.py
@@ -139,3 +139,14 @@ def test_array_mixed_numbers(array, type):
     dumper = tx.get_dumper(array, Format.BINARY)
     dumper.dump(array)
     assert dumper.oid == builtins[type].array_oid
+
+
+@pytest.mark.xfail
+@pytest.mark.parametrize("fmt_in", [Format.BINARY])  # TODO: add Format.TEXT
+def test_empty_list_mix(conn, fmt_in):
+    ph = "%s" if fmt_in == Format.TEXT else "%b"
+    objs = list(range(3))
+    # pro tip: don't get confused with the types
+    f1, f2 = conn.execute(f"select {ph}, {ph}", (objs, [])).fetchone()
+    assert f1 == objs
+    assert f2 == []