Fixed BnfNodeParser to allow expressions like 'number hundred' when number is a group

2020-06-27 18:56:04 +02:00
parent d4468da8a3
commit 2c5840752a
14 changed files with 593 additions and 228 deletions
@@ -494,3 +494,32 @@ class TestSheerkaEvaluateConcept(TestUsingMemoryBasedSheerka):
        evaluated = sheerka.evaluate_concept(self.get_context(sheerka, True), one)
        assert evaluated.key == one.key
        assert evaluated.body == 1
+
+    def test_i_can_evaluate_thousand_concept(self):
+        sheerka, context, thousand, number, forties, forty, one = self.init_concepts(
+            Concept("thousand", body="number * 1000").def_var("number"),
+            Concept("number"),
+            Concept("forties", body="forty + number").def_var("forty").def_var("number"),
+            Concept("forty", body="40"),
+            Concept("one", body="1"),
+            eval_body=True
+        )
+
+        one = sheerka.new("one")
+        number2 = sheerka.new("number")
+        number2.compiled["one"] = one
+        number2.compiled[ConceptParts.BODY] = one
+        forties = sheerka.new("forties")
+        forties.compiled["forty"] = sheerka.new("forty")
+        forties.compiled["number"] = number2
+
+        number1 = sheerka.new("number")
+        number1.compiled["forties"] = forties
+        number1.compiled[ConceptParts.BODY] = forties
+
+        forty_one_thousand = sheerka.new("thousand")
+        forty_one_thousand.compiled["number"] = number1
+
+        evaluated = sheerka.evaluate_concept(context, forty_one_thousand)
+
+        assert evaluated.body == 41000