Add deep video test

Author: dshabin

tests/sample_videos/single/ground_truth_frames/video_001.jpg

@@ -1,8 +1,12 @@
 import subprocess
 import time
 from pathlib import Path
-
+import tempfile
 import superannotate as sa
+from superannotate.db.projects import _extract_frames_from_video
+import os
+import numpy as np
+import cv2 as cv
 
 PROJECT_NAME1 = "test video upload1"
 PROJECT_NAME2 = "test video upload2"
@@ -51,4 +55,26 @@ def test_video(tmpdir):
 
     assert len(sa.search_images(PROJECT_NAME2 + "/new folder")) == len(
         sa.search_images(PROJECT_NAME2)
-    )
+    )
+
+
+def test_video_deep():
+    tempdir = tempfile.TemporaryDirectory()
+    _extract_frames_from_video(
+        start_time=0.0,
+        end_time=None,
+        video_path="./tests/sample_videos/single/video.mp4",
+        tempdir=tempdir,
+        limit=10,
+        target_fps=1
+    )
+    temp_dir_name = tempdir.name
+    ground_truth_dir_name = "./tests/sample_videos/single/ground_truth_frames"
+    temp_files = os.listdir(temp_dir_name)
+    for file_name in temp_files:
+        temp_file_path = temp_dir_name + "/" + file_name
+        truth_file_path = ground_truth_dir_name + "/" + file_name
+        img1 = cv.imread(temp_file_path)
+        img2 = cv.imread(truth_file_path)
+        diff = np.sum(img2 - img1) + np.sum(img2 - img1)
+        assert diff == 0