def test_create_and_list_frames(client):
    payload = {
        "session_name": "run01",
        "frame_index": 0,
        "image_path": "run01_frames/frame_000000.png",
        "width": 1280,
        "height": 720,
    }
    resp = client.post("/frames", json=payload)
    assert resp.status_code == 201
    frame_id = resp.json()["id"]

    resp = client.post("/frames", json=payload)
    assert resp.status_code == 201
    assert resp.json()["id"] == frame_id

    resp = client.get("/frames", params={"session_name": "run01"})
    assert resp.status_code == 200
    assert len(resp.json()) == 1


def test_list_frames_filters_by_session(client):
    client.post("/frames", json={"session_name": "run01", "frame_index": 0, "image_path": "a.png", "width": 1, "height": 1})
    client.post("/frames", json={"session_name": "run02", "frame_index": 0, "image_path": "b.png", "width": 1, "height": 1})

    resp = client.get("/frames", params={"session_name": "run02"})
    assert [f["image_path"] for f in resp.json()] == ["b.png"]


def test_get_missing_frame(client):
    resp = client.get("/frames/999")
    assert resp.status_code == 404