[Python-checkins] bpo-41338: Fix DeprecationWarning in tests (GH-21542)

[Inada Naoki]

https://github.com/python/cpython/commit/902356a7b0564e2c9659aaec56211de4d37109d0
commit: 902356a7b0564e2c9659aaec56211de4d37109d0
branch: master
author: Inada Naoki <songofacandy at gmail.com>
committer: GitHub <noreply at github.com>
date: 2020-07-20T12:02:50+09:00
summary:

bpo-41338: Fix DeprecationWarning in tests (GH-21542)

files:
M Lib/test/test_capi.py
M Lib/test/test_csv.py
M Lib/test/test_decimal.py

diff --git a/Lib/test/test_capi.py b/Lib/test/test_capi.py
index 55027c9cbcd43..892cc74ec3915 100644
--- a/Lib/test/test_capi.py
+++ b/Lib/test/test_capi.py
@@ -19,6 +19,7 @@
 from test.support import MISSING_C_DOCSTRINGS
 from test.support import import_helper
 from test.support import threading_helper
+from test.support import warnings_helper
 from test.support.script_helper import assert_python_failure, assert_python_ok
 try:
     import _posixsubprocess
@@ -700,6 +701,11 @@ class Test_testcapi(unittest.TestCase):
                     for name in dir(_testcapi)
                     if name.startswith('test_') and not name.endswith('_code'))
 
+    # Suppress warning from PyUnicode_FromUnicode().
+    @warnings_helper.ignore_warnings(category=DeprecationWarning)
+    def test_widechar(self):
+        _testcapi.test_widechar()
+
 
 class Test_testinternalcapi(unittest.TestCase):
     locals().update((name, getattr(_testinternalcapi, name))
diff --git a/Lib/test/test_csv.py b/Lib/test/test_csv.py
index a92870c24a1b4..38160220853ea 100644
--- a/Lib/test/test_csv.py
+++ b/Lib/test/test_csv.py
@@ -10,6 +10,7 @@
 import gc
 import pickle
 from test import support
+from test.support import warnings_helper
 from itertools import permutations
 from textwrap import dedent
 from collections import OrderedDict
@@ -251,6 +252,7 @@ def test_writerows_errors(self):
 
     @support.cpython_only
     @support.requires_legacy_unicode_capi
+    @warnings_helper.ignore_warnings(category=DeprecationWarning)
     def test_writerows_legacy_strings(self):
         import _testcapi
         c = _testcapi.unicode_legacy_string('a')
diff --git a/Lib/test/test_decimal.py b/Lib/test/test_decimal.py
index 9dbae449fb61d..5d0992a66e6ce 100644
--- a/Lib/test/test_decimal.py
+++ b/Lib/test/test_decimal.py
@@ -38,6 +38,7 @@
 from test.support import (TestFailed,
                           run_with_locale, cpython_only)
 from test.support.import_helper import import_fresh_module
+from test.support import warnings_helper
 import random
 import inspect
 import threading
@@ -584,6 +585,7 @@ def test_explicit_from_string(self):
 
     @cpython_only
     @requires_legacy_unicode_capi
+    @warnings_helper.ignore_warnings(category=DeprecationWarning)
     def test_from_legacy_strings(self):
         import _testcapi
         Decimal = self.decimal.Decimal
@@ -2820,6 +2822,7 @@ def test_none_args(self):
 
     @cpython_only
     @requires_legacy_unicode_capi
+    @warnings_helper.ignore_warnings(category=DeprecationWarning)
     def test_from_legacy_strings(self):
         import _testcapi
         c = self.decimal.Context()