Add video creation test script

tests/test_video_creation.py

@@ -0,0 +1,39 @@
+import os
+import pytest
+
+from test_config import *
+from modules.live_portrait.live_portrait_inferencer import LivePortraitInferencer
+from modules.utils.image_helper import save_image
+
+
+@pytest.mark.parametrize(
+    "input_image,expression_video",
+    [
+        (TEST_IMAGE_PATH, TEST_VIDEO_PATH),
+    ]
+)
+def test_video_creation(
+    input_image: str,
+    expression_video: str
+):
+    if not os.path.exists(TEST_IMAGE_PATH):
+        download_image(
+            TEST_IMAGE_URL,
+            TEST_IMAGE_PATH
+        )
+    if not os.path.exists(TEST_VIDEO_PATH):
+        download_image(
+            TEST_VIDEO_URL,
+            TEST_VIDEO_PATH
+        )
+
+    inferencer = LivePortraitInferencer()
+
+    output_video_path = inferencer.create_video(
+        driving_vid_path=expression_video,
+        src_image=input_image,
+    )
+
+    assert os.path.exists(output_video_path)
+    assert are_videos_different(input_image, TEST_EXPRESSION_OUTPUT_PATH)
+    assert has_sound(output_video_path)