better method/variable names

Author: jeff-k

pyvdrm/asi2.py

@@ -77,10 +77,10 @@ def __bool__(self):
 class Negate(AsiExpr):
     """Unary negation of boolean child"""
     def __call__(self, mutations):
-        child = self.children[0](mutations)
-        if child is None:
+        child_score = self.children[0](mutations)
+        if child_score is None:
             return Score(True, []) # TODO: propagate negative residues
-        return Score(not child.score, child.residues)
+        return Score(not child_score.score, child_score.residues)
 
 
 class AndExpr(AsiExpr):

pyvdrm/tests/test_asi2.py

@@ -51,7 +51,7 @@ def test_score_from(self):
         rule = ASI2("SCORE FROM ( 100G => 10, 101D => 20 )")
         self.assertEqual(rule(VariantCalls("100G 102G")), 10)
 
-    def test_score_from(self):
+    def test_score_negate(self):
         rule = ASI2("SCORE FROM ( NOT 100G => 10, NOT 101SD => 20 )")
         self.assertEqual(rule(VariantCalls("100G 102G")), 20)
         self.assertEqual(rule(VariantCalls("100S 101S")), 10)