On Fri, Feb 4, 2011 at 7:03 PM, Blair Zajac <bl...@orcaware.com> wrote:
>
> On Feb 4, 2011, at 9:15 AM, Hyrum K Wright wrote:
>
>> We currently mark tests XFail (or Skip, or something else) by wrapping
>> them in the test_list in the test suite.  Rather than doing it there,
>> I think it makes more sense to use Python's decorator syntax to mark
>> tests as XFail right at their definition, rather than down in the test
>> list.  Keeping all attributes of a test in close proximity is a Good
>> Thing, imo.  Attached is a patch which demonstrates this.
>>
>> Decorators were added to Python in 2.4, which is the minimal version
>> required for our test suite.  In addition to the functional
>> decorators, we should be able to add ones which record other
>> information, such as the issues which the tests were added for.  (In
>> some future world, we could also divide up the test suite into
>> "levels", and decorators could be added to indicate that.)
>>
>> Thoughts?
>
> Sounds good to me.
>
> The decorators could have a required issue version number as a parameter, 
> thereby forcing an issue to exist in the issue tracker.

I don't think we should require all tests to have an issue number
associated with them, but having this information programatically is a
Good Thing.  I've updated the patch to introduce an "issues"
decorator, and resolve conflicts introduced by Paul's recent commit.

[I plan on cleaning up references and the like before committing.]

-Hyrum

[[[

Index: subversion/tests/cmdline/svntest/testcase.py
===================================================================
--- subversion/tests/cmdline/svntest/testcase.py        (revision 1067239)
+++ subversion/tests/cmdline/svntest/testcase.py        (working copy)
@@ -108,6 +108,13 @@ class TestCase:
     """
     return self._delegate.get_sandbox_name()

+  def set_issues(self, issues):
+    """Set the issues associated with this test."""
+    if type(issues) == type(0):
+      self.issues = [issues]
+    else:
+      self.issues = issues
+
   def run(self, sandbox):
     """Run the test within the given sandbox."""
     return self._delegate.run(sandbox)
@@ -134,7 +141,7 @@ class FunctionTestCase(TestCase):
   is derived from the file name in which FUNC was defined)
   """

-  def __init__(self, func):
+  def __init__(self, func, issues=None):
     # it better be a function that accepts an sbox parameter and has a
     # docstring on it.
     assert isinstance(func, types.FunctionType)
@@ -158,7 +165,7 @@ class FunctionTestCase(TestCase):
     assert doc[0].lower() == doc[0], \
         "%s's docstring should not be capitalized" % name

-    TestCase.__init__(self, doc=doc)
+    TestCase.__init__(self, doc=doc, issues=issues)
     self.func = func

   def get_function_name(self):
@@ -207,6 +214,27 @@ class XFail(TestCase):
     return self._delegate.list_mode() or 'XFAIL'


+def xfail_deco(func):
+  if isinstance(func, TestCase):
+    return XFail(func, issues=func.issues)
+  else:
+    return XFail(func)
+
+
+def issue_deco(issues):
+  def _second(func):
+    if isinstance(func, TestCase):
+      # if the wrapped thing is already a test case, just set the issues
+      func.set_issues(issues)
+      return func
+
+    else:
+      # we need to wrap the function
+      return create_test_case(func, issues=issues)
+
+  return _second
+
+
 class Wimp(XFail):
   """Like XFail, but indicates a work-in-progress: an unexpected pass
   is not considered a test failure."""
@@ -259,8 +287,8 @@ class SkipUnless(Skip):
     Skip.__init__(self, test_case, lambda c=cond_func: not c())


-def create_test_case(func):
+def create_test_case(func, issues=None):
   if isinstance(func, TestCase):
     return func
   else:
-    return FunctionTestCase(func)
+    return FunctionTestCase(func, issues=issues)
Index: subversion/tests/cmdline/basic_tests.py
===================================================================
--- subversion/tests/cmdline/basic_tests.py     (revision 1067239)
+++ subversion/tests/cmdline/basic_tests.py     (working copy)
@@ -1961,6 +1961,8 @@ def basic_rm_urls_one_repo(sbox):
                                         expected_status)

 # Test for issue #1199
+@svntest.testcase.xfail_deco
+@svntest.testcase.issue_deco(1199)
 def basic_rm_urls_multi_repos(sbox):
   "remotely remove directories from two repositories"

@@ -2721,7 +2723,7 @@ test_list = [ None,
               delete_keep_local_twice,
               windows_paths_in_repos,
               basic_rm_urls_one_repo,
-              XFail(basic_rm_urls_multi_repos, issues=1199),
+              basic_rm_urls_multi_repos,
               automatic_conflict_resolution,
               info_nonexisting_file,
               basic_relative_url_using_current_dir,
]]]

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