Add merge ranges challenge

online_judges/merge_ranges/test_merge_ranges.py

@@ -0,0 +1,28 @@
+from nose.tools import assert_equal, assert_raises
+
+
+class TestMergeRanges(object):
+
+    def test_merge_ranges(self):
+        solution = Solution()
+        assert_raises(TypeError, solution.merge_ranges, None)
+        assert_equal(solution.merge_ranges([]), [])
+        array = [(2, 3), (7, 9)]
+        expected = [(2, 3), (7, 9)]
+        assert_equal(solution.merge_ranges(array), expected)
+        array = [(3, 5), (2, 3), (7, 9), (8, 10)]
+        expected = [(2, 5), (7, 10)]
+        assert_equal(solution.merge_ranges(array), expected)
+        array = [(2, 3), (3, 5), (7, 9), (8, 10), (1, 11)]
+        expected = [(1, 11)]
+        assert_equal(solution.merge_ranges(array), expected)
+        print('Success: test_merge_ranges')
+
+
+def main():
+    test = TestMergeRanges()
+    test.test_merge_ranges()
+
+
+if __name__ == '__main__':
+    main()