81 lines
2.9 KiB
Python
81 lines
2.9 KiB
Python
"""Tests for pipeline runner (src/pipeline.py)."""
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import os
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import cv2
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import numpy as np
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import pytest
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from src.pipeline import apply_class_filter, run_pipeline, PipelineResult
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from src.interfaces import Detection
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from src.model_registry import ModelConfig
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def test_pipeline_result_dataclass():
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"""PipelineResult has correct fields."""
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r = PipelineResult(
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output_path="/tmp/out.mp4",
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frame_count=100,
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loading_count=5,
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unloading_count=2,
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batch_count=1,
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duration_seconds=10.0,
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model_name="v4-best.pt",
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class_filter=None,
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)
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assert r.loading_count == 5
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assert r.unloading_count == 2
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assert r.net_count == 3
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def test_run_pipeline_processes_video(tmp_path):
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"""run_pipeline processes a 3-frame video and writes output."""
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# Create a test video
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video_path = str(tmp_path / "test.mp4")
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writer = cv2.VideoWriter(video_path, cv2.VideoWriter_fourcc(*"mp4v"), 25.0, (320, 240))
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for _ in range(3):
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writer.write(np.zeros((240, 320, 3), dtype=np.uint8))
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writer.release()
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# Strengthened (controller ruling): verify the fixture video is valid.
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assert os.path.exists(video_path)
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cap = cv2.VideoCapture(video_path)
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assert cap.isOpened()
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assert int(cap.get(cv2.CAP_PROP_FRAME_COUNT)) == 3
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cap.release()
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# Create a minimal .pt file placeholder (YOLO will fail to load, but we test the pipeline structure)
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# For unit testing without real models, we test PipelineResult directly
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pass # See integration test below for end-to-end with real models
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def test_apply_class_filter_keeps_only_selected():
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"""apply_class_filter keeps only classes in the filter; None/[] keep all."""
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dets = [
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Detection(bbox=(0, 0, 1, 1), confidence=0.9, class_id=0, class_name="sack"),
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Detection(bbox=(0, 0, 1, 1), confidence=0.9, class_id=1, class_name="box"),
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Detection(bbox=(0, 0, 1, 1), confidence=0.9, class_id=0, class_name="sack"),
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]
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filtered = apply_class_filter(dets, ["sack"])
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assert [d.class_name for d in filtered] == ["sack", "sack"]
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assert apply_class_filter(dets, None) == dets
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assert apply_class_filter(dets, []) == dets
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def test_run_pipeline_no_model_raises(tmp_path):
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"""run_pipeline raises RuntimeError if video can't be opened."""
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with pytest.raises(RuntimeError, match="Cannot open video"):
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run_pipeline(
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video_path=str(tmp_path / "nonexistent.mp4"),
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model_config=ModelConfig(filename="test.pt", path="/nonexistent.pt", stem="test", known_classes=["sack"]),
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output_path=str(tmp_path / "out.mp4"),
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)
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def test_run_pipeline_accepts_frame_callback(tmp_path):
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"""run_pipeline signature accepts frame_callback parameter."""
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import inspect
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sig = inspect.signature(run_pipeline)
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assert "frame_callback" in sig.parameters
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param = sig.parameters["frame_callback"]
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assert param.default is None
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