tests: start a set of unit tests for mdiff.py, starting with splitnewlines
I want to optimize splitnewlines, so writing tests seems prudent.
Differential Revision: https://phab.mercurial-scm.org/D1972
# no-check-commit because of test_ funciton
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/tests/test-mdiff.py Thu Jan 25 23:01:20 2018 -0500
@@ -0,0 +1,24 @@
+from __future__ import absolute_import
+from __future__ import print_function
+
+import unittest
+
+from mercurial import (
+ mdiff,
+)
+
+class splitnewlinesTests(unittest.TestCase):
+
+ def test_splitnewlines(self):
+ cases = {'a\nb\nc\n': ['a\n', 'b\n', 'c\n'],
+ 'a\nb\nc': ['a\n', 'b\n', 'c'],
+ 'a\nb\nc\n\n': ['a\n', 'b\n', 'c\n', '\n'],
+ '': [],
+ 'abcabc': ['abcabc'],
+ }
+ for inp, want in cases.iteritems():
+ self.assertEqual(mdiff.splitnewlines(inp), want)
+
+if __name__ == '__main__':
+ import silenttestrunner
+ silenttestrunner.main(__name__)