test: Setup for testing compatibility support

Author: caffeine-addictt

tests/test_dataframe_compatibility.py

@@ -0,0 +1,31 @@
+import typing
+from src.thread import ParallelProcessing
+
+
+class DummyLengthOnly:
+    length: int
+
+    def __init__(self, length: int):
+        self.length = length
+
+    def __len__(self) -> int:
+        return self.length
+
+
+class DummyGetOnly:
+    dataset: list
+
+    def __init__(self, dataset: list):
+        self.dataset = dataset
+
+    def __getitem__(self, i: int) -> typing.Any:
+        return self.dataset[i]
+
+
+class DummyNonSequence(DummyLengthOnly, DummyGetOnly):
+    length: int
+    dataset: list
+
+    def __init__(self, length: int, dataset: list):
+        DummyLengthOnly.__init__(self, length)
+        DummyGetOnly.__init__(self, dataset)