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 +1,73 @@
+import pytest
+
+from core.builtin_concepts import ReturnValueConcept, BuiltinConcepts
+from core.concept import Concept
+from evaluators.OneErrorEvaluator import OneErrorEvaluator
+
+from tests.TestUsingMemoryBasedSheerka import TestUsingMemoryBasedSheerka
+
+
+def r(value, status=True):
+    return ReturnValueConcept(value, status, value)
+
+
+reduce_requested = ReturnValueConcept("some_name", True, Concept(key=BuiltinConcepts.REDUCE_REQUESTED))
+
+
+class TestOneErrorEvaluator(TestUsingMemoryBasedSheerka):
+    @pytest.mark.parametrize("return_values, expected", [
+        ([r("evaluators.one error", False), reduce_requested], True),
+        ([r("evaluators.one error", False), r("failed", False), r("failed", False), reduce_requested], True),
+        ([r("evaluators.error", False), r("not a parser in success"), reduce_requested], True),
+        ([r("evaluators.no reduce required", False), r("failed", False), r("failed", False)], False),
+        ([r("evaluators.no reduce required", False)], False),
+        ([r("evaluators.error", False), r("evaluators.success"), reduce_requested], False),
+        ([r("evaluators.error", False), r("parsers.success"), reduce_requested], False),
+        ([r("evaluators.success"), r("not an evaluator in error", False), reduce_requested], False),
+        ([r("evaluators.error", False), r("evaluators.another error", False), reduce_requested], False),
+    ])
+    def test_i_can_match(self, return_values, expected):
+        context = self.get_context()
+        assert OneErrorEvaluator().matches(context, return_values) == expected
+
+    def test_i_can_eval(self):
+        context = self.get_context()
+
+        return_values = [
+            r("evaluators.one error", False),
+            r("parsers.failed", False),
+            r("parsers.failed", False),
+            reduce_requested
+        ]
+
+        evaluator = OneErrorEvaluator()
+        evaluator.matches(context, return_values)
+        res = evaluator.eval(context, return_values)
+
+        assert not res.status
+        assert res.body == "evaluators.one error"
+        assert len(res.parents) == 4
+
+    def test_unwanted_return_values_are_not_eaten(self):
+        context = self.get_context()
+
+        a_successful_concept = r("successful concept")
+        a_concept_in_error = r("concept in error", False)
+        return_values = [
+            r("evaluators.one error", False),
+            r("parsers.failed", False),
+            r("parsers.failed", False),
+            a_successful_concept,
+            a_concept_in_error,
+            reduce_requested
+        ]
+
+        evaluator = OneErrorEvaluator()
+        evaluator.matches(context, return_values)
+        res = evaluator.eval(context, return_values)
+
+        assert not res.status
+        assert res.body == "evaluators.one error"
+        assert len(res.parents) == 4
+
+        assert a_successful_concept not in res.parents