Add initial test case for relative import sorting issue

1 files changed, 17 insertions, 0 deletions

diff --git a/test_isort.py b/test_isort.py
index bdd4453c..e7999756 100644
--- a/test_isort.py
+++ b/test_isort.py
@@ -2715,3 +2715,20 @@ def test_comments_not_removed_issue_576():
                   '# this comment is important and should not be removed\n'
                   'from sys import api_version as api_version\n')
     assert SortImports(file_contents=test_input).output == test_input
+
+
+def test_inconsistent_relative_imports_issue_577():
+    test_input = ('from . import lorem\n'
+                  'from . import ipsum\n'
+                  'from .dolor import consecteur\n'
+                  'from .sit import apidiscing\n'
+                  'from .. import donec\n'
+                  'from .. import euismod\n'
+                  'from ..mi import iaculis\n'
+                  'from ..nec import tempor\n'
+                  'from ... import diam\n'
+                  'from ... import dui\n'
+                  'from ...eu import dignissim\n'
+                  'from ...ex import metus\n')
+    assert SortImports(file_contents=test_input).output == test_input
+