setuptools/command/test.py | 5 +++++

 setuptools/dist.py         | 3 ++-

 2 files changed, 7 insertions(+), 1 deletion(-)

diff --git a/setuptools/command/test.py b/setuptools/command/test.py

index dde0118..54e3524 100644

--- a/setuptools/command/test.py

+++ b/setuptools/command/test.py

@@ -204,6 +204,11 @@ class test(Command):

         Install the requirements indicated by self.distribution and

         return an iterable of the dists that were built.

         """

+        from os import environ

+        if environ.get('RPM_BUILD_DIR'):

+            dist.install_requires = []

+            dist.test_require = []

+            dist.extras_require = {}

         ir_d = dist.fetch_build_eggs(dist.install_requires)

         tr_d = dist.fetch_build_eggs(dist.tests_require or [])

         er_d = dist.fetch_build_eggs(

diff --git a/setuptools/dist.py b/setuptools/dist.py

index 7062ae8..55c0ebe 100644

--- a/setuptools/dist.py

+++ b/setuptools/dist.py

@@ -417,7 +417,8 @@ class Distribution(Distribution_parse_config_files, _Distribution):

             return

         key = pkg_resources.safe_name(str(attrs['name'])).lower()

         dist = pkg_resources.working_set.by_key.get(key)

-        if dist is not None and not dist.has_metadata('PKG-INFO'):

+        if dist is not None and (os.environ.get('RPM_BUILD_DIR')

+                                 or not dist.has_metadata('PKG-INFO')):

             dist._version = pkg_resources.safe_version(str(attrs['version']))

             self._patched_dist = dist