Merge pull request #1037 from tahoe-lafs/3671.more-test-utilities-python-3

Port even more test utilities to Python 3

Fixes ticket:3671

src/allmydata/test/_win_subprocess.py

@@ -1,3 +1,13 @@
+"""
+This module is only necessary on Python 2.  Once Python 2 code is dropped, it
+can be deleted.
+"""
+
+from future.utils import PY3
+if PY3:
+    raise RuntimeError("Just use subprocess.Popen")
+
+
 # -*- coding: utf-8 -*-
 
 ## Copyright (C) 2021 Valentin Lab

src/allmydata/test/common_util.py

@@ -1,8 +1,15 @@
+"""
+Ported to Python 3.
+"""
 from __future__ import print_function
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import unicode_literals
 
 from future.utils import PY2, bchr, binary_type
 from future.builtins import str as future_str
-from past.builtins import unicode
+if PY2:
+    from future.builtins import filter, map, zip, ascii, chr, hex, input, next, oct, open, pow, round, super, dict, list, object, range, str, max, min  # noqa: F401
 
 import os
 import time
@@ -24,7 +31,7 @@ from allmydata.util.encodingutil import unicode_platform, get_filesystem_encodin
 
 
 def skip_if_cannot_represent_filename(u):
-    precondition(isinstance(u, unicode))
+    precondition(isinstance(u, str))
 
     enc = get_filesystem_encoding()
     if not unicode_platform():
@@ -44,7 +51,7 @@ def _getvalue(io):
 
 def maybe_unicode_to_argv(o):
     """Convert object to argv form if necessary."""
-    if isinstance(o, unicode):
+    if isinstance(o, str):
         return unicode_to_argv(o)
     return o
 
@@ -181,7 +188,7 @@ class DevNullDictionary(dict):
         return
 
 def insecurerandstr(n):
-    return b''.join(map(bchr, map(randrange, [0]*n, [256]*n)))
+    return b''.join(map(bchr, list(map(randrange, [0]*n, [256]*n))))
 
 def flip_bit(good, which):
     """Flip the low-order bit of good[which]."""
@@ -211,9 +218,9 @@ class ReallyEqualMixin(object):
         # type. They're equal, and _logically_ the same type, but have
         # different types in practice.
         if a.__class__ == future_str:
-            a = unicode(a)
+            a = str(a)
         if b.__class__ == future_str:
-            b = unicode(b)
+            b = str(b)
         self.assertEqual(type(a), type(b), "a :: %r (%s), b :: %r (%s), %r" % (a, type(a), b, type(b), msg))
 
 
@@ -297,7 +304,7 @@ class ShouldFailMixin(object):
         of the message wrapped by this Failure, or the test will fail.
         """
 
-        assert substring is None or isinstance(substring, (bytes, unicode))
+        assert substring is None or isinstance(substring, (bytes, str))
         d = defer.maybeDeferred(callable, *args, **kwargs)
         def done(res):
             if isinstance(res, failure.Failure):

src/allmydata/test/eliotutil.py

@@ -1,12 +1,21 @@
 """
 Tools aimed at the interaction between tests and Eliot.
+
+Ported to Python 3.
 """
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
 
 # Python 2 compatibility
 # Can't use `builtins.str` because it's not JSON encodable:
 # `exceptions.TypeError: <class 'future.types.newstr.newstr'> is not JSON-encodeable`
 from past.builtins import unicode as str
 from future.utils import PY2
+if PY2:
+    from future.builtins import filter, map, zip, ascii, chr, hex, input, next, oct, open, pow, round, super, bytes, dict, list, object, range, max, min  # noqa: F401
+
 from six import ensure_text
 
 __all__ = [

src/allmydata/test/status.py

@@ -1 +0,0 @@
-

src/allmydata/test/strategies.py

@@ -1,6 +1,16 @@
 """
 Hypothesis strategies use for testing Tahoe-LAFS.
+
+Ported to Python 3.
 """
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
+
+from future.utils import PY2
+if PY2:
+    from future.builtins import filter, map, zip, ascii, chr, hex, input, next, oct, open, pow, round, super, bytes, dict, list, object, range, str, max, min  # noqa: F401
 
 from hypothesis.strategies import (
     one_of,

src/allmydata/test/web/common.py

@@ -1,3 +1,14 @@
+"""
+Ported to Python 3.
+"""
+from __future__ import absolute_import
+from __future__ import division
+from __future__ import print_function
+from __future__ import unicode_literals
+
+from future.utils import PY2
+if PY2:
+    from future.builtins import filter, map, zip, ascii, chr, hex, input, next, oct, open, pow, round, super, bytes, dict, list, object, range, str, max, min  # noqa: F401
 
 import re
 

src/allmydata/test/web/test_web.py

@@ -1394,8 +1394,8 @@ class Web(WebMixin, WebErrorMixin, testutil.StallMixin, testutil.ReallyEqualMixi
         def _got(res_and_status_and_headers):
             (res, status, headers) = res_and_status_and_headers
             self.failUnlessReallyEqual(res, "")
-            self.failUnlessReallyEqual(headers.getRawHeaders("content-length")[0],
-                                       str(len(self.BAR_CONTENTS)))
+            self.failUnlessReallyEqual(int(headers.getRawHeaders("content-length")[0]),
+                                       len(self.BAR_CONTENTS))
             self.failUnlessReallyEqual(headers.getRawHeaders("content-type"),
                                        ["text/plain"])
         d.addCallback(_got)
@@ -3015,8 +3015,8 @@ class Web(WebMixin, WebErrorMixin, testutil.StallMixin, testutil.ReallyEqualMixi
         def _got_headers(res_and_status_and_headers):
             (res, status, headers) = res_and_status_and_headers
             self.failUnlessReallyEqual(res, "")
-            self.failUnlessReallyEqual(headers.getRawHeaders("content-length")[0],
-                                       str(len(NEW2_CONTENTS)))
+            self.failUnlessReallyEqual(int(headers.getRawHeaders("content-length")[0]),
+                                       len(NEW2_CONTENTS))
             self.failUnlessReallyEqual(headers.getRawHeaders("content-type"),
                                        ["text/plain"])
         d.addCallback(_got_headers)

src/allmydata/util/_python3.py

@@ -100,14 +100,18 @@ PORTED_MODULES = [
     "allmydata.test.cli",
     "allmydata.test.cli_node_api",
     "allmydata.test.common",
+    "allmydata.test.common_util",
     "allmydata.test.common_web",
+    "allmydata.test.eliotutil",
     "allmydata.test.no_network",
     "allmydata.test.matchers",
     "allmydata.test.mutable",
     "allmydata.test.mutable.util",
     "allmydata.test.python3_tests",
     "allmydata.test.storage_plugin",
+    "allmydata.test.strategies",
     "allmydata.test.web",
+    "allmydata.test.web.common",
     "allmydata.test.web.matchers",
     "allmydata.testing",
     "allmydata.testing.web",