File size: 8,184 Bytes
0544b07
 
 
 
 
 
 
 
 
 
faad21c
 
 
0544b07
 
faad21c
 
 
 
0544b07
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
faad21c
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
from __future__ import annotations

import sys
from pathlib import Path

ROOT = Path(__file__).resolve().parents[1]
if str(ROOT) not in sys.path:
    sys.path.insert(0, str(ROOT))

from app import (
    _format_slice_rois_text,
    _greedy_point_matches,
    _extract_ordered_contours_by_slice,
    _extract_volume_bounds_from_rtss,
    _merge_bounds,
    _nearest_slice_value,
    _safe_key_fragment,
    _slice_match_metrics,
    _step_slice_value,
    extract_contour_points,
    should_use_unified_only,
)


def test_extract_contour_points_collects_all_triplets() -> None:
    sample = {
        "(3006,0039) ROIContourSequence": [
            {
                "(3006,0040) ContourSequence": [
                    {
                        "(3006,0050) ContourData": [
                            [1.0, 2.0, 3.0],
                            [4, 5, 6],
                        ]
                    },
                    {
                        "(3006,0050) ContourData": [
                            [7.5, 8.5, 9.5],
                        ]
                    },
                ]
            }
        ]
    }

    points = extract_contour_points(sample)

    assert points == [
        (1.0, 2.0, 3.0),
        (4.0, 5.0, 6.0),
        (7.5, 8.5, 9.5),
    ]


def test_extract_contour_points_ignores_non_triplet_data() -> None:
    sample = {
        "(3006,0050) ContourData": [
            [1.0, 2.0],
            [3.0, 4.0, 5.0, 6.0],
            "not-a-point",
            {"unexpected": "shape"},
        ]
    }

    points = extract_contour_points(sample)

    assert points == []


def test_should_use_unified_only_for_batch_text_mode() -> None:
    use_unified_only, reason = should_use_unified_only(
        "left",
        "right",
        allow_rich_view=False,
        max_rich_chars=400_000,
        max_rich_lines=5_000,
    )

    assert use_unified_only is True
    assert "unified diff text only" in reason


def test_should_use_unified_only_for_large_input() -> None:
    left = "a" * 250_000
    right = "b" * 250_000

    use_unified_only, reason = should_use_unified_only(
        left,
        right,
        allow_rich_view=True,
        max_rich_chars=400_000,
        max_rich_lines=5_000,
    )

    assert use_unified_only is True
    assert "Large comparison detected" in reason


def test_should_use_rich_view_for_small_input() -> None:
    use_unified_only, reason = should_use_unified_only(
        "small-left\n",
        "small-right\n",
        allow_rich_view=True,
        max_rich_chars=400_000,
        max_rich_lines=5_000,
    )

    assert use_unified_only is False
    assert reason == ""


def test_extract_volume_bounds_from_rtss_metadata() -> None:
    sample = {
        "(3006,0039) ROIContourSequence": [
            {
                "(3006,004A) SourcePixelPlanesCharacteristicsSequence": [
                    {
                        "(0020,0032) ImagePositionPatient": [10.0, 20.0, 30.0],
                        "(0020,0037) ImageOrientationPatient": [1.0, 0.0, 0.0, 0.0, 1.0, 0.0],
                        "(0028,0030) PixelSpacing": [2.0, 1.0],
                        "(0028,0010) Rows": 2,
                        "(0028,0011) Columns": 3,
                        "(0028,0008) NumberOfFrames": 4,
                        "(0018,0088) SpacingBetweenSlices": 2.0,
                    }
                ]
            }
        ]
    }

    bounds, msg = _extract_volume_bounds_from_rtss(sample)

    assert bounds is not None
    assert bounds["x_min"] == 10.0
    assert bounds["x_max"] == 12.0
    assert bounds["y_min"] == 20.0
    assert bounds["y_max"] == 22.0
    assert bounds["z_min"] == 30.0
    assert bounds["z_max"] == 36.0
    assert "derived" in msg


def test_extract_volume_bounds_from_rtss_missing_metadata() -> None:
    sample = {
        "(3006,0039) ROIContourSequence": [
            {"(3006,0040) ContourSequence": [{"(3006,0050) ContourData": [[1.0, 2.0, 3.0]]}]}
        ]
    }

    bounds, msg = _extract_volume_bounds_from_rtss(sample)

    assert bounds is None
    assert "incomplete" in msg


def test_merge_bounds() -> None:
    a = {"x_min": 0.0, "x_max": 1.0, "y_min": 2.0, "y_max": 3.0, "z_min": 4.0, "z_max": 5.0}
    b = {"x_min": -1.0, "x_max": 2.0, "y_min": 1.5, "y_max": 3.5, "z_min": 3.0, "z_max": 6.0}

    merged = _merge_bounds(a, b)

    assert merged == {
        "x_min": -1.0,
        "x_max": 2.0,
        "y_min": 1.5,
        "y_max": 3.5,
        "z_min": 3.0,
        "z_max": 6.0,
    }


def test_greedy_point_matches_unique_pairs() -> None:
    left = [(0.0, 0.0, 0.0), (10.0, 0.0, 0.0)]
    right = [(0.2, 0.0, 0.0), (9.8, 0.0, 0.0)]

    matches = _greedy_point_matches(left, right)

    assert len(matches) == 2
    assert {m[0] for m in matches} == {0, 1}
    assert {m[1] for m in matches} == {0, 1}


def test_slice_match_metrics_dice_and_mismatch() -> None:
    left_rois = {
        "ROI 1": [
            (0.0, 0.0, 1.0),
            (10.0, 0.0, 1.0),
        ]
    }
    right_rois = {
        "ROI 1": [
            (0.2, 0.0, 1.0),
            (11.5, 0.0, 1.0),
        ]
    }

    metrics = _slice_match_metrics(left_rois, right_rois, tolerance_mm=1.0)

    assert metrics["left_count"] == 2
    assert metrics["right_count"] == 2
    assert metrics["mismatch_count"] == 2
    assert metrics["count_delta"] == 0
    assert metrics["dice"] == 0.5
    assert metrics["identical_slice"] is False


def test_slice_match_metrics_identical_slice() -> None:
    rois = {
        "ROI 1": [
            (1.0, 2.0, 3.0),
            (4.0, 5.0, 3.0),
        ]
    }

    metrics = _slice_match_metrics(rois, rois, tolerance_mm=0.1)

    assert metrics["identical_slice"] is True
    assert metrics["mismatch_count"] == 0
    assert metrics["dice"] == 1.0


def test_safe_key_fragment_replaces_non_alnum() -> None:
    assert _safe_key_fragment("z=12.5/ROI 1") == "z_12_5_ROI_1"


def test_nearest_slice_value_selects_closest() -> None:
    slices = [1.0, 2.5, 5.0]

    assert _nearest_slice_value(slices, 2.7) == 2.5
    assert _nearest_slice_value(slices, None) == 1.0


def test_nearest_slice_value_returns_none_for_empty() -> None:
    assert _nearest_slice_value([], 10.0) is None


def test_extract_ordered_contours_by_slice_preserves_point_order() -> None:
    sample = {
        "(3006,0039) ROIContourSequence": [
            {
                "(3006,0084) ReferencedROINumber": 7,
                "(3006,0040) ContourSequence": [
                    {
                        "(3006,0048) ContourNumber": 3,
                        "(3006,0050) ContourData": [
                            [10.0, 5.0, 1.0001],
                            [11.0, 6.0, 1.0001],
                            [12.0, 7.0, 1.0001],
                        ],
                    }
                ],
            }
        ]
    }

    slices = _extract_ordered_contours_by_slice(sample, precision=3)

    assert list(slices.keys()) == [1.0]
    assert len(slices[1.0]) == 1
    contour = slices[1.0][0]
    assert contour["contour_label"] == "ROI 7 | Contour 3"
    assert contour["points"] == [
        (10.0, 5.0, 1.0001),
        (11.0, 6.0, 1.0001),
        (12.0, 7.0, 1.0001),
    ]


def test_step_slice_value_bounds_and_steps() -> None:
    slices = [1.0, 2.0, 3.0]

    assert _step_slice_value(slices, 2.0, -1) == 1.0
    assert _step_slice_value(slices, 2.0, 1) == 3.0
    assert _step_slice_value(slices, 1.0, -1) == 1.0
    assert _step_slice_value(slices, 3.0, 1) == 3.0


def test_step_slice_value_handles_missing_current() -> None:
    slices = [1.0, 2.0, 3.0]
    assert _step_slice_value(slices, 99.0, 1) == 2.0


def test_format_slice_rois_text_includes_index_and_order() -> None:
    rois = {
        "ROI 2": [(2.0, 2.0, 5.0)],
        "ROI 1": [(1.0, 1.0, 5.0), (3.0, 3.0, 5.0)],
    }

    text = _format_slice_rois_text(rois, precision=2)

    assert "ROI 1: 2 points" in text
    assert "001: (1.00, 1.00, 5.00)" in text
    assert "002: (3.00, 3.00, 5.00)" in text
    assert "ROI 2: 1 points" in text


def test_format_slice_rois_text_empty() -> None:
    assert _format_slice_rois_text({}, precision=4) == "(no contours on this slice)"