Add unit test for curse parser.

tests/git_code_debt/metrics/curse_test.py

@@ -0,0 +1,29 @@
+import testify as T
+
+from git_code_debt.file_diff_stat import FileDiffStat
+from git_code_debt.metric import Metric
+from git_code_debt.metrics.curse import CurseWordsParser
+from testing.base_classes.test import test
+
+
+@test
+def test_curse_words_parser():
+    parser = CurseWordsParser()
+    input = [
+        FileDiffStat(
+            'templates/foo.tmpl',
+            ['#man seriously, fuck cheetah'],
+            [],
+            None,
+        ),
+        FileDiffStat(
+            'cmds/foo.py',
+            ["# I'm clean I swear"],
+            [],
+            None,
+        ),
+    ]
+    metrics = list(parser.get_metrics_from_stat(input))
+    T.assert_in(Metric('TotalCurseWords_Template', 1), metrics)
+    T.assert_in(Metric('TotalCurseWords_Python', 0), metrics)
+