[ref] overlayのリファクタリングとテストを追加

src-python/tests/test_overlay_imports.py

@@ -0,0 +1,30 @@
+import sys
+import time
+from PIL import Image
+
+sys.path.append(r"d:\WORKSPACE\WORK\VRChatProject\VRCT\src-python")
+
+from models.overlay import overlay_image, overlay_utils
+
+
+def test_overlay_image_create():
+    oi = overlay_image.OverlayImage()
+    img = oi.createOverlayImageSmallLog("hello", "English", [], [])
+    assert isinstance(img, Image.Image)
+
+
+def test_utils_transform():
+    import numpy as np
+    base = np.array([
+        [1, 0, 0, 0],
+        [0, 1, 0, 0],
+        [0, 0, 1, 0]
+    ])
+    res = overlay_utils.transform_matrix(base, (0, 0, 0), (0, 0, 0))
+    assert res.shape == (3, 4)
+
+
+if __name__ == '__main__':
+    test_overlay_image_create()
+    test_utils_transform()
+    print('tests passed')