add a couple of tests, both MML and frequency/duration outputs

test/test_parser.py

@@ -3,6 +3,8 @@
 
 # Copyright © 2017
 #       Dominik George <nik@naturalnet.de>
+# Copyright © 2021
+#       mirabilos <m@mirbsd.org>
 #
 # Provided that these terms and disclaimer and all copyright notices
 # are retained or reproduced in an accompanying document, permission
@@ -25,6 +27,7 @@ import unittest
 from .util import round_sequence_r, TestCase
 
 from mmllib.parser import mml_file, mml_file_meta
+from mmllib.mml import mml
 
 class ParserTests(TestCase):
     def setUp(self):
@@ -556,5 +559,40 @@ class ParserTests(TestCase):
                      1]]
         self.assertListEqual(round_sequence_r(res), round_sequence_r(expected))
 
+    def test_mml_details(self):
+        input = 'ml|ol o bc n cb p bc- p cb+ p o5cbf p o5cn60f'
+        expected_mml = "O4L4T120MN ML O4B>CN0C<BP4BBP4CCP4O5C<BFP4O5CN60F"
+        expected_lst = [
+                        # B C → B >C
+                        (1975.533205024496, 0.5),
+                        (2093.004522404789, 0.5),
+                        (0, 0.5),
+                        # C B → C <B
+                        (2093.004522404789, 0.5),
+                        (1975.533205024496, 0.5),
+                        (0, 0.5),
+                        # B C♭(=B) → B‿B
+                        (1975.533205024496, 1.0),
+                        (0, 0.5),
+                        # C B♯(=C) → C‿C
+                        (2093.004522404789, 1.0),
+                        (0, 0.5),
+                        # C B F → C <B F
+                        (2093.004522404789, 0.5),
+                        (1975.533205024496, 0.5),
+                        (1396.9129257320155, 0.5),
+                        (0, 0.5),
+                        # C B† F → C B F (†=with N command)
+                        # because N doesn’t affect octave tracking
+                        (2093.004522404789, 0.5),
+                        (1975.533205024496, 0.5),
+                        (2793.825851464031, 0.5)]
+        res = [0, 0]
+        def _getres(s):
+            res[0] = s
+        res[1] = mml(input, _mmltrk=_getres)
+        self.assertEqual(res[0], expected_mml)
+        self.assertListEqual(round_sequence_r(res[1]), round_sequence_r(expected_lst))
+
 if __name__ == "__main__":
     unittest.main()