Fixed #8

Fixed #12
Fixed #13
Fixed #14

tests/base.py

@@ -0,0 +1,35 @@
+import os
+import shutil
+from os import path
+
+import pytest
+
+from core.Sheerka import Sheerka
+from sdp.sheerkaDataProvider import SheerkaDataProvider
+
+
+class BaseTest:
+    @pytest.fixture()
+    def sdp(self) -> SheerkaDataProvider:
+        return SheerkaDataProvider("mem://", name="test")
+
+
+class UsingFileBasedSheerka(BaseTest):
+    TESTS_ROOT_DIRECTORY = path.abspath("../build/tests")
+    SHEERKA_ROOT_DIR = os.path.join(TESTS_ROOT_DIRECTORY, ".sheerka")
+
+    @pytest.fixture(scope="class")
+    def sheerka_fb(self):
+        """
+        the default fixture to get Sheerka is overriden
+        :return:
+        :rtype:
+        """
+        # first, make sure to create a fresh environment
+        if path.exists(self.SHEERKA_ROOT_DIR):
+            shutil.rmtree(self.SHEERKA_ROOT_DIR)
+
+        # create the new Sheerka instance
+        sheerka = Sheerka()
+        sheerka.initialize(root_folder=self.SHEERKA_ROOT_DIR)
+        return sheerka