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Vinay Sajip committed 707586c

Closes #14158: improved resilience to test files left behind.

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  • Parent commits 5f49239
  • Branches 3.2

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Files changed (3)

Lib/test/regrtest.py

         if bad:
             print(count(len(bad), "test"), "failed:")
             printlist(bad)
-        if environment_changed:
-            print("{} altered the execution environment:".format(
-                     count(len(environment_changed), "test")))
-            printlist(environment_changed)
+    if environment_changed:
+        print("{} altered the execution environment:".format(
+                 count(len(environment_changed), "test")))
+        printlist(environment_changed)
     if skipped and not quiet:
         print(count(len(skipped), "test"), "skipped:")
         printlist(skipped)
                  'logging._handlers', 'logging._handlerList',
                  'shutil.archive_formats', 'shutil.unpack_formats',
                  'sys.warnoptions', 'threading._dangling',
-                 'multiprocessing.process._dangling')
+                 'multiprocessing.process._dangling',
+                 'support.TESTFN',
+                )
 
     def get_sys_argv(self):
         return id(sys.argv), sys.argv, sys.argv[:]
         multiprocessing.process._dangling.clear()
         multiprocessing.process._dangling.update(saved)
 
+    def get_support_TESTFN(self):
+        if os.path.isfile(support.TESTFN):
+            result = 'f'
+        elif os.path.isdir(support.TESTFN):
+            result = 'd'
+        else:
+            result = None
+        return result
+    def restore_support_TESTFN(self, saved_value):
+        if saved_value is None:
+            if os.path.isfile(support.TESTFN):
+                os.unlink(support.TESTFN)
+            elif os.path.isdir(support.TESTFN):
+                shutil.rmtree(support.TESTFN)
+
     def resource_info(self):
         for name in self.resources:
             method_suffix = name.replace('.', '_')

Lib/test/test_base64.py

 from test import support
 import base64
 import binascii
+import os
 import sys
 import subprocess
 
 
 
 class TestMain(unittest.TestCase):
+    def tearDown(self):
+        if os.path.exists(support.TESTFN):
+            os.unlink(support.TESTFN)
+
     def get_output(self, *args, **options):
         args = (sys.executable, '-m', 'base64') + args
         return subprocess.check_output(args, **options)

Lib/test/test_mailbox.py

 import email.message
 import re
 import io
+import shutil
 import tempfile
 from test import support
 import unittest
     def _delete_recursively(self, target):
         # Delete a file or delete a directory recursively
         if os.path.isdir(target):
-            for path, dirs, files in os.walk(target, topdown=False):
-                for name in files:
-                    os.remove(os.path.join(path, name))
-                for name in dirs:
-                    os.rmdir(os.path.join(path, name))
-            os.rmdir(target)
+            shutil.rmtree(target)
         elif os.path.exists(target):
             os.remove(target)
 
     def setUp(self):
         # create a new maildir mailbox to work with:
         self._dir = support.TESTFN
+        if os.path.isdir(self._dir):
+            shutil.rmtree(self._dir)
+        elif os.path.isfile(self._dir):
+            os.unlink(self._dir)
         os.mkdir(self._dir)
         os.mkdir(os.path.join(self._dir, "cur"))
         os.mkdir(os.path.join(self._dir, "tmp"))