Added DefaultParser

tests/test_sheerkaDataProvider.py

@@ -1,3 +1,5 @@
+import hashlib
+
 import pytest
 import os
 from os import path
@@ -6,6 +8,8 @@ from datetime import date, datetime
 import shutil
 import json
 
+from sdp.sheerkaSerializer import ObjectSerializer, BaseSerializer, Serializer
+
 tests_root = path.abspath("../build/tests")
 
 
@@ -70,6 +74,33 @@ class ObjNoKey:
         return f"ObjNoKey({self.a}, {self.b})"
 
 
+class ObjDumpJson:
+    def __init__(self, key, value):
+        self.key = key
+        self.value = value
+
+    def __eq__(self, obj):
+        return isinstance(obj, ObjDumpJson) and \
+               self.key == obj.key and \
+               self.value == obj.value
+
+    def __repr__(self):
+        return f"ObjDumpJson({self.key}, {self.value})"
+
+    def get_key(self):
+        return self.key
+
+    def get_digest(self):
+        return hashlib.sha256(f"Concept:{self.key}{self.value}".encode("utf-8")).hexdigest()
+
+    def to_dict(self):
+        return self.__dict__
+
+    def from_dict(self, as_dict):
+        self.value = as_dict["value"]
+        self.key = as_dict["key"]
+
+
 @pytest.fixture(autouse=True)
 def init_test():
     if path.exists(tests_root):
@@ -570,4 +601,56 @@ def test_i_can_test_than_an_entry_exits():
 
     assert not sdp.exists("entry")
     sdp.add(Event("event"), "entry", "value")
-    assert sdp.exists("entry")
+    assert sdp.exists("entry")
+
+
+def test_i_can_save_and_load_object_with_history():
+    sdp = SheerkaDataProvider(".sheerka")
+    obj = ObjDumpJson("my_key", "value1")
+    sdp.serializer.register(ObjectSerializer(BaseSerializer.get_full_qualified_name(obj)))
+
+    entry, key = sdp.add_ref("Obj", obj)
+    loaded = sdp.get(entry, key)
+    history = getattr(loaded, Serializer.HISTORY)
+
+    assert key == obj.key
+    assert entry == "Obj"
+    assert loaded.key == obj.key
+    assert loaded.value == obj.value
+
+    assert getattr(history, Serializer.USERNAME) == "kodjo"
+    assert getattr(history, Serializer.MODIFICATION_DATE) != ""
+    assert getattr(history, Serializer.PARENTS) == []
+
+    assert os.path.exists(sdp.get_obj_path(sdp.ObjectsFolder, obj.get_digest()))
+
+    # save a second type with no modification
+    previous_modification_time = getattr(history, Serializer.MODIFICATION_DATE)
+    previous_parents = getattr(history, Serializer.PARENTS)
+
+    sdp.add_ref("Obj", loaded)
+    loaded = sdp.get(entry, key)
+    history = getattr(loaded, Serializer.HISTORY)
+
+    assert getattr(history, Serializer.MODIFICATION_DATE) == previous_modification_time
+    assert getattr(history, Serializer.PARENTS) == previous_parents
+
+    # save again, but with a modification
+    previous_digest = loaded.get_digest()
+    loaded.value = "value2"
+
+    sdp.add_ref("Obj", loaded)
+    loaded2 = sdp.get(entry, key)
+    history2 = getattr(loaded, Serializer.HISTORY)
+
+    assert loaded2.key == loaded.key
+    assert loaded2.value == loaded.value
+
+    assert getattr(history2, Serializer.USERNAME) == "kodjo"
+    assert getattr(history2, Serializer.MODIFICATION_DATE) != ""
+    assert getattr(history2, Serializer.PARENTS) == [previous_digest]
+
+
+
+
+