Added ``tests_require`` keyword to ``setup()``, so that e.g. packages

requiring ``nose`` to run unit tests can make this dependency optional
unless the ``test`` command is run.

--HG--
branch : setuptools
extra : convert_revision : svn%3A6015fed2-1504-0410-9fe1-9d1591cc4771/sandbox/trunk/setuptools%4041483

2 files changed, 7 insertions, 7 deletions

diff --git a/setuptools/command/test.py b/setuptools/command/test.py
index 200d255d..31f1ae40 100644
--- a/setuptools/command/test.py
+++ b/setuptools/command/test.py
@@ -47,6 +47,9 @@ class test(Command):
         self.reinitialize_command('build_ext', inplace=1)
         self.run_command('build_ext')
 
+        if self.distribution.tests_require:            
+            self.distribution.fetch_build_eggs(self.distribution.tests_require)
+
         if self.test_suite:
             cmd = ' '.join(self.test_args)
             if self.dry_run:
@@ -55,6 +58,7 @@ class test(Command):
                 self.announce('running "unittest %s"' % cmd)
                 self.run_tests()
 
+
     def run_tests(self):
         import unittest
         old_path = sys.path[:]
@@ -76,7 +80,3 @@ class test(Command):
 
 
 
-
-
-
-
diff --git a/setuptools/dist.py b/setuptools/dist.py
index f0ad6f8b..17c9f149 100644
--- a/setuptools/dist.py
+++ b/setuptools/dist.py
@@ -80,14 +80,14 @@ def assert_bool(dist, attr, value):
 
 
 
-def check_install_requires(dist, attr, value):
+def check_requirements(dist, attr, value):
     """Verify that install_requires is a valid requirements list"""
     try:
         list(pkg_resources.parse_requirements(value))
     except (TypeError,ValueError):
         raise DistutilsSetupError(
-            "'install_requires' must be a string or list of strings "
-            "containing valid project/version requirement specifiers"
+            "%r must be a string or list of strings "
+            "containing valid project/version requirement specifiers" % (attr,)
         )
 
 def check_entry_points(dist, attr, value):