Add barebones test for filesystems

Author: ModernMAK

src/relic/sga/core/filesystem.py

@@ -111,9 +111,8 @@ def to_info(self, namespaces=None):
 
 
 class _EssenceDriveFS(MemoryFS):
-    def __init__(self, host: EssenceFS):
+    def __init__(self) -> None:
         super().__init__()
-        self._hostfs = host
 
     def _make_dir_entry(
         self, resource_type: ResourceType, name: str
@@ -172,7 +171,7 @@ def getessence(self, path: str) -> Info:
         return self.getinfo(path, [ESSENCE_NAMESPACE])
 
     def create_drive(self, name: str) -> _EssenceDriveFS:
-        drive = _EssenceDriveFS(self)
+        drive = _EssenceDriveFS()
         self.add_fs(name, drive)
         return drive
 

tests/test_filesystem.py

@@ -0,0 +1,17 @@
+import unittest
+
+from fs.test import FSTestCases
+
+from relic.sga.core.filesystem import EssenceFS, _EssenceDriveFS
+
+
+class TestEssenceFS(FSTestCases, unittest.TestCase):
+    def make_fs(self):
+        essence_fs = EssenceFS()
+        essence_fs.add_fs("data", _EssenceDriveFS(), True)
+        return essence_fs
+
+
+class TestEssenceDriveFS(FSTestCases, unittest.TestCase):
+    def make_fs(self):
+        return _EssenceDriveFS()