Add absolute import detection

test/base.py

@@ -6,6 +6,7 @@ else:
 import os
 from os.path import abspath, dirname
 import functools
+import pytest
 
 import jedi
 
@@ -60,3 +61,6 @@ def cwd_at(path):
                 os.chdir(oldcwd)
         return wrapper
     return decorator
+
+py3_only = pytest.mark.skipif("not is_py3k")
+py2_only = pytest.mark.skipif("is_py3k")

test/test_absolute_import.py

@@ -0,0 +1,27 @@
+from jedi.parsing import Parser
+from jedi._compatibility import is_py3k; is_py3k # shut up pyflakes
+from . import base
+
+@base.py3_only
+def test_py3k_imports_are_always_absolute():
+    """
+    By default, imports in Python 3 are absolute.
+    """
+    parser = Parser("1", "test.py")
+    assert parser.scope.absolute_imports
+
+@base.py2_only
+def test_py2_imports_are_not_always_absolute():
+    """
+    By default, imports in Python 2 are not absolute.
+    """
+    parser = Parser("1", "test.py")
+    assert not parser.scope.absolute_imports
+
+def test_imports_are_absolute_in_modules_with_future_import():
+    """
+    In any module with the ``absolute_import`` ``__future__`` import, all
+    imports are absolute.
+    """
+    parser = Parser("from __future__ import absolute_import", "test.py")
+    assert parser.scope.absolute_imports