Added a test and cleaned check_library_list to be ready to fix #5940

Lib/distutils/tests/test_build_clib.py

@@ -0,0 +1,47 @@
+"""Tests for distutils.command.build_clib."""
+import unittest
+
+from distutils.command.build_clib import build_clib
+from distutils.errors import DistutilsSetupError
+from distutils.tests import support
+
+class BuildCLibTestCase(support.TempdirManager,
+                        support.LoggingSilencer,
+                        unittest.TestCase):
+
+    def test_check_library_dist(self):
+        pkg_dir, dist = self.create_dist()
+        cmd = build_clib(dist)
+
+        # 'libraries' option must be a list
+        self.assertRaises(DistutilsSetupError, cmd.check_library_list, 'foo')
+
+        # each element of 'libraries' must a 2-tuple
+        self.assertRaises(DistutilsSetupError, cmd.check_library_list,
+                          ['foo1', 'foo2'])
+
+        # first element of each tuple in 'libraries'
+        # must be a string (the library name)
+        self.assertRaises(DistutilsSetupError, cmd.check_library_list,
+                          [(1, 'foo1'), ('name', 'foo2')])
+
+        # library name may not contain directory separators
+        self.assertRaises(DistutilsSetupError, cmd.check_library_list,
+                          [('name', 'foo1'),
+                           ('another/name', 'foo2')])
+
+        # second element of each tuple must be a dictionary (build info)
+        self.assertRaises(DistutilsSetupError, cmd.check_library_list,
+                          [('name', {}),
+                           ('another', 'foo2')])
+
+        # those work
+        libs = [('name', {}), ('name', {'ok': 'good'})]
+        cmd.check_library_list(libs)
+
+
+def test_suite():
+    return unittest.makeSuite(BuildCLibTestCase)
+
+if __name__ == "__main__":
+    unittest.main(defaultTest="test_suite")