Add test for sets

Compare with results from https://oai.zbmath.org/v1/?verb=ListSets

src/zbmath_rest2oai/get_sets.py

@@ -12,7 +12,8 @@ def get_sets():
                         + 'https://guidelines.openaire.eu/en/latest/literature'
                         + '/use_of_oai_pmh.html'}
     for result in results:
-        mscs[result['code'][:2]] = result['short_title']
+        code = result['code'][:2]
+        mscs[code] = code + '-XX:' + result['short_title']
     return mscs
 
 

test/test_get_sets.py

@@ -0,0 +1,13 @@
+import unittest
+
+from zbmath_rest2oai.get_sets import get_sets
+
+
+class PlainXmlTest(unittest.TestCase):
+    @staticmethod
+    def test_getSets():
+        real_sets = get_sets()
+        assert len(real_sets) == 65
+        assert real_sets['14'] == '14-XX:Algebraic geometry'
+
+