First steps of ConceptLexer. Need to update DefaultParser before continuing

tests/test_sheerka.py

@@ -50,7 +50,7 @@ def test_i_can_list_builtin_concepts():
 
 
 def test_builtin_concepts_are_initialized():
-    sheerka = get_sheerka()
+    sheerka = get_sheerka(skip_builtins_in_db=False)
     assert len(sheerka.concepts_cache) == len(BuiltinConcepts)
     for concept_name in BuiltinConcepts:
         assert str(concept_name) in sheerka.concepts_cache
@@ -61,7 +61,7 @@ def test_builtin_concepts_are_initialized():
 
 
 def test_builtin_concepts_can_be_updated():
-    sheerka = get_sheerka(root_folder)
+    sheerka = get_sheerka(root_folder, skip_builtins_in_db=False)
     loaded_sheerka = sheerka.get(BuiltinConcepts.SHEERKA)
     loaded_sheerka.desc = "I have a description"
     sheerka.sdp.modify("Test", sheerka.CONCEPTS_ENTRY, loaded_sheerka.key, loaded_sheerka)
@@ -89,7 +89,8 @@ def test_i_can_add_a_concept():
     assert concept_found.id == "1001"
 
     assert concept.key in sheerka.concepts_cache
-    assert sheerka.sdp.io.exists(sheerka.sdp.io.get_obj_path(SheerkaDataProvider.ObjectsFolder, concept_found.get_digest()))
+    assert sheerka.sdp.io.exists(
+        sheerka.sdp.io.get_obj_path(SheerkaDataProvider.ObjectsFolder, concept_found.get_digest()))
 
 
 def test_i_cannot_add_the_same_concept_twice():
@@ -414,7 +415,8 @@ as:
         assert getattr(concept_saved, prop) == getattr(expected, prop)
 
     assert concept_saved.key in sheerka.concepts_cache
-    assert sheerka.sdp.io.exists(sheerka.sdp.io.get_obj_path(SheerkaDataProvider.ObjectsFolder, concept_saved.get_digest()))
+    assert sheerka.sdp.io.exists(
+        sheerka.sdp.io.get_obj_path(SheerkaDataProvider.ObjectsFolder, concept_saved.get_digest()))
 
 
 def test_i_can_eval_def_concept_part_when_one_part_is_a_ref_of_another_concept():
@@ -443,7 +445,8 @@ def test_i_can_eval_def_concept_part_when_one_part_is_a_ref_of_another_concept()
         assert getattr(concept_saved, prop) == getattr(expected, prop)
 
     assert concept_saved.key in sheerka.concepts_cache
-    assert sheerka.sdp.io.exists(sheerka.sdp.io.get_obj_path(SheerkaDataProvider.ObjectsFolder, concept_saved.get_digest()))
+    assert sheerka.sdp.io.exists(
+        sheerka.sdp.io.get_obj_path(SheerkaDataProvider.ObjectsFolder, concept_saved.get_digest()))
 
 
 def test_i_cannot_eval_the_same_def_concept_twice():
@@ -551,12 +554,24 @@ def test_i_can_manage_concepts_with_the_same_key_when_values_are_the_same():
     res = sheerka.eval("hello 'foo'")
     assert len(res) == 1
     assert res[0].status
-    assert res[0].value, "hello foo"
+    assert res[0].value ==  "hello foo"
     assert res[0].who == sheerka.get_evaluator_name(MultipleSameSuccessEvaluator.NAME)
 
 
-def get_sheerka(root="mem://"):
-    sheerka = Sheerka()
+def test_i_can_create_concepts_on_python_codes():
+    sheerka = get_sheerka()
+    context = get_context(sheerka)
+
+    sheerka.create_new_concept(context, Concept(name="concepts", body="sheerka.concepts()"))
+    res = sheerka.eval("concepts")
+
+    assert len(res) == 1
+    assert res[0].status
+    assert isinstance(res[0].value, list)
+
+
+def get_sheerka(root="mem://", skip_builtins_in_db=True):
+    sheerka = Sheerka(skip_builtins_in_db)
     sheerka.initialize(root)
 
     return sheerka