This now copies the docs for testing into the temp dir, and ensures t…

…hat the setup.cfg is in the common root directory for the Python files and the docs. This ensures that in py.test >= 2.7 the correct common test directory can be found as the 'rootdir'. Seems to work fine with older versions of py.test as well (down to 2.4).

CHANGES.rst

@@ -38,9 +38,9 @@ astropy-helpers Changelog
 - Quieted warnings about deprecated Numpy API in Cython extensions, when
   building Cython extensions against Numpy >= 1.7. [#183]
 
-- Added a new ``temp-root`` option to the ``./setup.py test`` command, which is
-  needed in part to support the upgrade to py.test 2.7 (which itself is needed
-  to support Python 3.5). [#187]
+- Improved support for py.test >= 2.7--running the ``./setup.py test`` command
+  now copies all doc pages into the temporary test directory as well, so that
+  all test files have a "common root directory". [#189]
 
 
 1.0.3 (2015-07-22)

astropy_helpers/commands/_test_compat.py

@@ -145,17 +145,18 @@ def run(self):
         """
         Run the tests!
         """
-        # Build a testing install of the package
-        self._build_temp_install()
-
-        # Ensure all required packages are installed
-        self._validate_required_deps()
 
         # Ensure there is a doc path
         if self.docs_path is None:
             if os.path.exists('docs'):
                 self.docs_path = os.path.abspath('docs')
 
+        # Build a testing install of the package
+        self._build_temp_install()
+
+        # Ensure all required packages are installed
+        self._validate_required_deps()
+
         # Run everything in a try: finally: so that the tmp dir gets deleted.
         try:
             # Construct this modules testing command
@@ -201,7 +202,13 @@ def _build_temp_install(self):
                                         dir=self.temp_root)
         self.testing_path = os.path.join(self.tmp_dir, os.path.basename(new_path))
         shutil.copytree(new_path, self.testing_path)
-        shutil.copy('setup.cfg', self.testing_path)
+
+        new_docs_path = os.path.join(self.tmp_dir,
+                                     os.path.basename(self.docs_path))
+        shutil.copytree(self.docs_path, new_docs_path)
+        self.docs_path = new_docs_path
+
+        shutil.copy('setup.cfg', self.tmp_dir)
 
     def _generate_coverage_commands(self):
         """