Default to lgx redux

Author: pbashyal-nmdp

pyard/ard.py

@@ -363,7 +363,7 @@ def _sorted_unique_gl(self, gls: List[str], delim: str) -> str:
         )
 
     @functools.lru_cache(maxsize=DEFAULT_CACHE_SIZE)
-    def redux(self, glstring: str, redux_type: VALID_REDUCTION_TYPES) -> str:
+    def redux(self, glstring: str, redux_type: VALID_REDUCTION_TYPES = "lgx") -> str:
         """
         Does ARD reduction with gl string and reduction type
 

tests/test_pyard.py

@@ -205,3 +205,9 @@ def test_is_null(self):
         self.assertFalse(
             self.ard.is_null(allele), msg="MACs shouldn't be called as Nulls"
         )
+
+    def test_default_redux_is_lgx(self):
+        allele = "HLA-C*04:DTZDE"
+        lgx_redux = self.ard.redux(allele, "lgx")
+        default_redux = self.ard.redux(allele)
+        self.assertEqual(lgx_redux, default_redux, msg="Default redux should be lgx")