1 files changed, 25 insertions, 0 deletions
diff --git a/Lib/importlib/test/__init__.py b/Lib/importlib/test/__init__.py
index e69de29..815a706 100644
--- a/Lib/importlib/test/__init__.py
+++ b/Lib/importlib/test/__init__.py
@@ -0,0 +1,25 @@
+import os
+import sys
+import unittest
+
+def test_suite(package=__package__, directory=os.path.dirname(__file__)):
+    suite = unittest.TestSuite()
+    for name in os.listdir(directory):
+        if name.startswith(('.', '__')):
+            continue
+        path = os.path.join(directory, name)
+        if (os.path.isfile(path) and name.startswith('test_') and
+                name.endswith('.py')):
+            submodule_name = os.path.splitext(name)[0]
+            module_name = "{0}.{1}".format(package, submodule_name)
+            __import__(module_name, level=0)
+            module_tests = unittest.findTestCases(sys.modules[module_name])
+            suite.addTest(module_tests)
+        elif os.path.isdir(path):
+            package_name = "{0}.{1}".format(package, name)
+            __import__(package_name, level=0)
+            package_tests = getattr(sys.modules[package_name], 'test_suite')()
+            suite.addTest(package_tests)
+        else:
+            continue
+    return suite