finally change name of test.base module to helpers.py, fixes #181

test/helpers.py

@@ -0,0 +1,40 @@
+"""
+A helper module for testing, improves compatibility for testing (as
+``jedi._compatibility``) as well as introducing helper functions.
+"""
+
+import sys
+if sys.hexversion < 0x02070000:
+    import unittest2 as unittest
+else:
+    import unittest
+TestCase = unittest.TestCase
+
+import os
+from os.path import abspath, dirname
+import functools
+
+test_dir = dirname(abspath(__file__))
+root_dir = dirname(test_dir)
+
+sample_int = 1  # This is used in completion/imports.py
+
+def cwd_at(path):
+    """
+    Decorator to run function at `path`.
+
+    :type path: str
+    :arg  path: relative path from repository root (e.g., ``'jedi'``).
+    """
+    def decorator(func):
+        @functools.wraps(func)
+        def wrapper(*args, **kwds):
+            try:
+                oldcwd = os.getcwd()
+                repo_root = os.path.dirname(test_dir)
+                os.chdir(os.path.join(repo_root, path))
+                return func(*args, **kwds)
+            finally:
+                os.chdir(oldcwd)
+        return wrapper
+    return decorator