新增双目yolo实现python代码

utils/tests/stereo_yolo/sbs_test.py

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+"""split_sbs 裁切测试（需求说明 §2.3：sbs 单流形态）。"""
+
+import numpy as np
+import pytest
+
+from stereo_yolo import split_sbs
+
+
+def test_split_returns_left_and_right_halves():
+    image = np.zeros((4, 10, 3), dtype=np.uint8)
+    image[:, :5] = 1
+    image[:, 5:] = 2
+
+    left, right = split_sbs(image)
+
+    assert left.shape == (4, 5, 3) and right.shape == (4, 5, 3)
+    assert (left == 1).all() and (right == 2).all()
+
+
+def test_odd_width_rejected():
+    with pytest.raises(ValueError, match="宽度须为偶数"):
+        split_sbs(np.zeros((4, 9, 3), dtype=np.uint8))
+
+
+def test_non_image_rejected():
+    with pytest.raises(ValueError, match="宽度须为偶数"):
+        split_sbs(np.zeros((9,), dtype=np.uint8))