Refactored sheerka class: splitted to use sub handlers. Refactored unit tests to use classes.

2020-01-22 17:49:28 +01:00
parent 821614a6c4
commit c489a38ebc
120 changed files with 7947 additions and 8190 deletions
@@ -0,0 +1,72 @@
+import pytest
+
+from core.builtin_concepts import ReturnValueConcept, BuiltinConcepts
+from core.concept import Concept
+from evaluators.EvalEvaluator import EvalEvaluator
+from tests.TestUsingMemoryBasedSheerka import TestUsingMemoryBasedSheerka
+
+eval_requested = ReturnValueConcept("some_name", True, Concept(key=BuiltinConcepts.CONCEPT_EVAL_REQUESTED))
+
+
+def retval(obj, who="who", status=True):
+    """ret_val"""
+    return ReturnValueConcept(who, status, obj)
+
+
+class TestEvalEvaluator(TestUsingMemoryBasedSheerka):
+    def test_i_can_match_and_eval(self):
+        context = self.get_context()
+
+        to_eval1 = ReturnValueConcept("some_name", True, Concept(name="2", body="to eval").auto_init())
+        to_eval2 = ReturnValueConcept("some_name", True, Concept(name="3", body="also to eval").auto_init())
+
+        return_values = [
+            ReturnValueConcept("some_name", True, "not to eval"),
+            ReturnValueConcept("some_name", True, Concept(name="not to eval")),
+            ReturnValueConcept("some_name", False, Concept(name="1", body="'not to eval'")),
+            to_eval1,
+            to_eval2,
+            eval_requested
+        ]
+
+        evaluator = EvalEvaluator()
+        assert evaluator.matches(context, return_values)
+
+        evaluated = evaluator.eval(context, return_values)
+        assert len(evaluated) == 2
+        assert evaluated[0].value == to_eval1.body.body
+        assert evaluated[0].parents == [to_eval1, eval_requested]
+
+        assert evaluated[1].value == to_eval2.body.body
+        assert evaluated[1].parents == [to_eval2, eval_requested]
+
+    @pytest.mark.parametrize("return_values, expected", [
+        ([retval(Concept("foo", body="bar")), eval_requested], True),
+        ([retval(Concept("status is false", body="bar"), status=False), eval_requested], True),
+        ([retval("string_value"), eval_requested], True),
+        ([retval(Concept("no body")), eval_requested], True),
+        ([retval(Concept("eval requested missing", body="bar"))], False),
+    ])
+    def test_i_cannot_match_if_eval_request_is_not_present(self, return_values, expected):
+        context = self.get_context()
+        assert EvalEvaluator().matches(context, return_values) == expected
+
+    def test_concept_eval_requested_is_reduced_when_nothing_to_reduce(self):
+        context = self.get_context()
+
+        return_values = [
+            ReturnValueConcept("some_name", True, "not to eval"),
+            ReturnValueConcept("some_name", True, Concept(name="not to eval")),
+            ReturnValueConcept("some_name", False, Concept(name="1", body="not to eval")),
+            eval_requested
+        ]
+
+        evaluator = EvalEvaluator()
+        assert evaluator.matches(context, return_values)
+
+        evaluated = evaluator.eval(context, return_values)
+        assert evaluated == ReturnValueConcept(
+            "evaluators.Eval",
+            False,
+            context.sheerka.new(BuiltinConcepts.CONCEPT_EVAL_REQUESTED))
+        assert evaluated.parents == [eval_requested]