A test suite imported from jedi.

test/test_absolute_import.py

@@ -0,0 +1,29 @@
+"""
+Tests ``from __future__ import absolute_import`` (only important for
+Python 2.X)
+"""
+from parso.python import parse
+
+
+def test_explicit_absolute_imports():
+    """
+    Detect modules with ``from __future__ import absolute_import``.
+    """
+    module = parse("from __future__ import absolute_import")
+    assert module.has_explicit_absolute_import()
+
+
+def test_no_explicit_absolute_imports():
+    """
+     Detect modules without ``from __future__ import absolute_import``.
+    """
+    assert not parse("1").has_explicit_absolute_import()
+
+
+def test_dont_break_imports_without_namespaces():
+    """
+    The code checking for ``from __future__ import absolute_import`` shouldn't
+    assume that all imports have non-``None`` namespaces.
+    """
+    src = "from __future__ import absolute_import\nimport xyzzy"
+    assert parse(src).has_explicit_absolute_import()