Fixed #9 : I can parse 'def concept'

tests/evaluators/test_RecognizeDefConcept.py

@@ -0,0 +1,51 @@
+import pytest
+
+from base import BaseParserTest
+from core.BuiltinConcepts import BuiltinConcepts
+from core.error import ErrorContext
+from evaluators.RecognizeDefConcept import RecognizeDefConcept
+from helpers import _rv, _rvf
+from parsers.ConceptDefinitionParser import ConceptDefinition
+from parsers.ParserInput import ParserInput
+
+
+class TestRecognizeDefConcept(BaseParserTest):
+    @pytest.fixture()
+    def evaluator(self, sheerka):
+        return sheerka.evaluators[RecognizeDefConcept.NAME]
+
+    def test_i_can_match(self, sheerka, context, evaluator):
+        ret_val = _rv(sheerka.newn(BuiltinConcepts.PARSER_INPUT, pi=ParserInput("def concept")))
+        assert evaluator.matches(context, ret_val).status is True
+
+        ret_val = _rv(sheerka.newn(BuiltinConcepts.PARSER_INPUT, pi=ParserInput("def")))
+        assert evaluator.matches(context, ret_val).status is False
+
+        ret_val = _rv(sheerka.newn(BuiltinConcepts.PARSER_INPUT, pi=ParserInput("other text")))
+        assert evaluator.matches(context, ret_val).status is False
+
+        ret_val = _rv(sheerka.newn(BuiltinConcepts.UNKNOWN_CONCEPT))  # it responds to USER_INPUT only
+        assert evaluator.matches(context, ret_val).status is False
+
+        ret_val = _rvf(sheerka.newn(BuiltinConcepts.PARSER_INPUT, pi=ParserInput("def concept")))  # status is false
+        assert evaluator.matches(context, ret_val).status is False
+
+    def test_i_can_recognize_a_def_concept(self, context, evaluator):
+        ret_val_input = self.get_parser_input(context, "def concept one as 1")
+        res = evaluator.eval(context, None, ret_val_input)
+
+        assert len(res.new) == 1
+        assert res.new[0].status
+        assert isinstance(res.new[0].value, ConceptDefinition)
+
+        assert res.eaten == [ret_val_input]
+
+    def test_i_can_manage_when_def_concept_fails(self, context, evaluator):
+        ret_val_input = self.get_parser_input(context, "def concept")
+        res = evaluator.eval(context, None, ret_val_input)
+
+        assert len(res.new) == 1
+        assert not res.new[0].status
+        assert isinstance(res.new[0].value, ErrorContext)
+
+        assert res.eaten == []