Implemented a first and basic version of a Rete rule engine

2021-02-09 16:06:32 +01:00
parent 821dbed189
commit a2a8d5c5e5
110 changed files with 7301 additions and 1654 deletions
@@ -0,0 +1,124 @@
+from tests.TestUsingMemoryBasedSheerka import TestUsingMemoryBasedSheerka
+
+
+class TestSheerkaNonRegDisplay(TestUsingMemoryBasedSheerka):
+
+    def test_i_can_display_results_when_return_values_processing_is_on(self, capsys):
+        init = [
+            "def concept one as 1",
+        ]
+
+        sheerka = self.init_scenario(init)
+        sheerka.enable_process_return_values = True
+        sheerka.evaluate_user_input("one")
+
+        captured = capsys.readouterr()
+        assert captured.out == "ReturnValue(who=evaluators.OneSuccess, status=True, value=(1001)one)\n"
+
+    def test_i_can_display_multiple_concepts_description(self, capsys):
+        init = [
+            "def concept foo as 1",
+            "def concept foo as 2",
+        ]
+        sheerka = self.init_scenario(init)
+        capsys.readouterr()
+
+        sheerka.enable_process_return_values = True
+        sheerka.evaluate_user_input("desc(foo)")
+
+        captured = capsys.readouterr()
+        assert captured.out == """id        : 1001
+name      : foo
+key       : foo
+definition: None
+type      : None
+body      : 1
+where     : None
+pre       : None
+post      : None
+ret       : None
+vars      : []
+props     : {}
+id        : 1002
+name      : foo
+key       : foo
+definition: None
+type      : None
+body      : 2
+where     : None
+pre       : None
+post      : None
+ret       : None
+vars      : []
+props     : {}
+"""
+
+    def test_i_can_describe_a_rule(self, capsys):
+        sheerka = self.get_sheerka()
+
+        sheerka.enable_process_return_values = True
+        sheerka.evaluate_user_input("desc(r:|1:)")
+        captured = capsys.readouterr()
+
+        assert captured.out == """id       : 1
+name     : Print return values
+type     : print
+predicate: __rets
+action   : list(__rets)
+priority : 4
+compiled : True
+enabled  : True
+"""
+
+    def test_i_can_display_multiple_success(self, capsys):
+        init = [
+            "def concept foo as 1",
+            "def concept foo as 2",
+        ]
+        sheerka = self.init_scenario(init)
+        capsys.readouterr()
+
+        sheerka.enable_process_return_values = True
+        sheerka.evaluate_user_input("foo")
+
+        captured = capsys.readouterr()
+        assert captured.out == """ReturnValue(who=evaluators.Concept, status=True, value=(1001)foo)
+ReturnValue(who=evaluators.Concept, status=True, value=(1002)foo)
+"""
+
+    def test_i_can_list_ontologies(self, capsys):
+        init = [
+            "push_ontology('test 1')",
+            "push_ontology('test 2')",
+            "pop_ontology()",
+            "push_ontology('test 3')",
+        ]
+        sheerka = self.init_scenario(init)
+        capsys.readouterr()
+
+        sheerka.enable_process_return_values = True
+        sheerka.evaluate_user_input("ontologies()")
+
+        captured = capsys.readouterr()
+        assert captured.out == """test 3
+test 1
+#unit_test#
+__default__
+"""
+
+    def test_i_can_display_objects_in_memory(self, capsys):
+        init = [
+            "def concept one as 1",
+            "def concept two as 2",
+            "one",
+            "two"
+        ]
+        sheerka = self.init_scenario(init)
+        capsys.readouterr()
+
+        sheerka.enable_process_return_values = True
+        sheerka.evaluate_user_input("in_memory()")
+        captured = capsys.readouterr()
+        assert captured.out == """one: (1001)one
+two: (1002)two
+"""