Edit distance done!

It turned out my Java test cases didn't cover enough number of cases. I
added one test case for it to fail, and figured out that the range in 2
loops should start with 1.

1 files changed, 24 insertions, 0 deletions

diff --git a/AlgoDesignAndTechniqueEdxPython/tests/edit_distanceTest.py b/AlgoDesignAndTechniqueEdxPython/tests/edit_distanceTest.py
new file mode 100644
index 0000000..4ffdc1f
--- /dev/null
+++ b/AlgoDesignAndTechniqueEdxPython/tests/edit_distanceTest.py
@@ -0,0 +1,24 @@
+'''
+Created on Dec 21, 2018
+
+@author: haidong
+'''
+import unittest
+
+from sources.edit_distance import editDistance
+
+class Test(unittest.TestCase):
+
+
+    def testEditDistance(self):
+        self.assertEqual(0, editDistance("ab", "ab"))
+        self.assertEqual(3, editDistance("short", "ports"))
+        self.assertEqual(5, editDistance("editing", "distance"))
+    
+    def testEditDistance1(self):
+        self.assertEqual(1, editDistance("a", "x"))
+
+
+if __name__ == "__main__":
+    #import sys;sys.argv = ['', 'Test.testEditDistance']
+    unittest.main()
\ No newline at end of file