1 files changed, 87 insertions, 0 deletions
diff --git a/tests/test_versioning.py b/tests/test_versioning.py
new file mode 100644
index 000000000..77306580c
--- /dev/null
+++ b/tests/test_versioning.py
@@ -0,0 +1,87 @@
+# -*- coding: utf-8 -*-
+"""
+    test_versioning
+    ~~~~~~~~~~~~~~~
+
+    Test the versioning implementation.
+
+    :copyright: Copyright 2007-2010 by the Sphinx team, see AUTHORS.
+    :license: BSD, see LICENSE for details.
+"""
+from util import *
+
+from docutils.statemachine import ViewList
+
+from sphinx.versioning import make_diff, add_uids, merge_doctrees
+
+def setup_module():
+    global app, original, original_uids
+    app = TestApp()
+    app.builder.env.app = app
+    app.connect('doctree-resolved', on_doctree_resolved)
+    app.build()
+    original = doctrees['versioning/original']
+    original_uids = [n.uid for n in add_uids(original, is_paragraph)]
+
+def teardown_module():
+    app.cleanup()
+    (test_root / '_build').rmtree(True)
+
+doctrees = {}
+
+def on_doctree_resolved(app, doctree, docname):
+    doctrees[docname] = doctree
+
+def test_make_diff():
+    tests = [
+        (('aaa', 'aaa'), (True, False, False)),
+        (('aaa', 'aab'), (False, True, False)),
+        (('aaa', 'abb'), (False, True, False)),
+        (('aaa', 'aba'), (False, True, False)),
+        (('aaa', 'baa'), (False, True, False)),
+        (('aaa', 'bbb'), (False, False, True))
+    ]
+    for args, result in tests:
+        assert make_diff(*args) == result
+
+def is_paragraph(node):
+    return node.__class__.__name__ == 'paragraph'
+
+def test_add_uids():
+    assert len(original_uids) == 3
+
+def test_modified():
+    modified = doctrees['versioning/modified']
+    new_nodes = list(merge_doctrees(original, modified, is_paragraph))
+    uids = [n.uid for n in modified.traverse(is_paragraph)]
+    assert not new_nodes
+    assert original_uids == uids
+
+def test_added():
+    added = doctrees['versioning/added']
+    new_nodes = list(merge_doctrees(original, added, is_paragraph))
+    uids = [n.uid for n in added.traverse(is_paragraph)]
+    assert len(new_nodes) == 1
+    assert original_uids == uids[:-1]
+
+def test_deleted():
+    deleted = doctrees['versioning/deleted']
+    new_nodes = list(merge_doctrees(original, deleted, is_paragraph))
+    uids = [n.uid for n in deleted.traverse(is_paragraph)]
+    assert not new_nodes
+    assert original_uids[::2] == uids
+
+def test_deleted_end():
+    deleted_end = doctrees['versioning/deleted_end']
+    new_nodes = list(merge_doctrees(original, deleted_end, is_paragraph))
+    uids = [n.uid for n in deleted_end.traverse(is_paragraph)]
+    assert not new_nodes
+    assert original_uids[:-1] == uids
+
+def test_insert():
+    insert = doctrees['versioning/insert']
+    new_nodes = list(merge_doctrees(original, insert, is_paragraph))
+    uids = [n.uid for n in insert.traverse(is_paragraph)]
+    assert len(new_nodes) == 1
+    assert original_uids[0] == uids[0]
+    assert original_uids[1:] == uids[2:]