lllin000_PaperForge/tests/test_ocr_figures.py

563 lines
18 KiB
Python

"""Phase 2 contract tests for figure inventory."""
from __future__ import annotations
# --- clustering helpers ---
def test_cluster_bbox_union() -> None:
from paperforge.worker.ocr_figures import _cluster_bbox
bboxes = [
[100, 100, 300, 300],
[250, 200, 500, 400],
]
result = _cluster_bbox(bboxes)
assert result == [100, 100, 500, 400]
def test_cluster_bbox_single() -> None:
from paperforge.worker.ocr_figures import _cluster_bbox
result = _cluster_bbox([[50, 60, 200, 300]])
assert result == [50, 60, 200, 300]
def test_cluster_bbox_empty() -> None:
from paperforge.worker.ocr_figures import _cluster_bbox
result = _cluster_bbox([])
assert result == [0, 0, 0, 0]
def test_media_clusters_side_by_side() -> None:
from paperforge.worker.ocr_figures import _media_clusters
blocks = [
{"block_id": 1, "page": 1, "role": "figure_asset", "raw_label": "image", "bbox": [0, 0, 100, 200]},
{"block_id": 2, "page": 1, "role": "figure_asset", "raw_label": "image", "bbox": [120, 0, 220, 200]},
]
clusters = _media_clusters(blocks)
assert len(clusters) == 1
assert len(clusters[0]) == 2
def test_media_clusters_stacked() -> None:
from paperforge.worker.ocr_figures import _media_clusters
blocks = [
{"block_id": 1, "page": 1, "role": "figure_asset", "raw_label": "image", "bbox": [0, 0, 200, 100]},
{"block_id": 2, "page": 1, "role": "figure_asset", "raw_label": "image", "bbox": [0, 120, 200, 220]},
]
clusters = _media_clusters(blocks)
assert len(clusters) == 1
assert len(clusters[0]) == 2
def test_media_clusters_different_pages() -> None:
from paperforge.worker.ocr_figures import _media_clusters
blocks = [
{"block_id": 1, "page": 1, "role": "figure_asset", "raw_label": "image", "bbox": [0, 0, 100, 100]},
{"block_id": 2, "page": 2, "role": "figure_asset", "raw_label": "image", "bbox": [0, 0, 100, 100]},
]
clusters = _media_clusters(blocks)
assert len(clusters) == 2
assert len(clusters[0]) == 1
assert len(clusters[1]) == 1
def test_media_clusters_wide_gap_no_cluster() -> None:
from paperforge.worker.ocr_figures import _media_clusters
blocks = [
{"block_id": 1, "page": 1, "role": "figure_asset", "raw_label": "image", "bbox": [0, 0, 200, 100]},
{"block_id": 2, "page": 1, "role": "figure_asset", "raw_label": "image", "bbox": [0, 200, 200, 300]},
]
clusters = _media_clusters(blocks)
assert len(clusters) == 2
def test_media_clusters_ignores_non_media_assets() -> None:
from paperforge.worker.ocr_figures import _media_clusters
blocks = [
{"block_id": 1, "page": 1, "role": "figure_caption", "raw_label": "caption", "bbox": [0, 0, 100, 100]},
{"block_id": 2, "page": 1, "role": "figure_asset", "raw_label": "image", "bbox": [0, 0, 100, 100]},
]
clusters = _media_clusters(blocks)
assert len(clusters) == 1
assert len(clusters[0]) == 1
def test_precaption_media_region_above() -> None:
from paperforge.worker.ocr_figures import _precaption_media_region
media_cluster = [
{"bbox": [0, 0, 200, 100]},
]
caption = {"bbox": [0, 120, 200, 150]}
assert _precaption_media_region(media_cluster, caption) is True
def test_precaption_media_region_below() -> None:
from paperforge.worker.ocr_figures import _precaption_media_region
media_cluster = [
{"bbox": [0, 200, 200, 300]},
]
caption = {"bbox": [0, 0, 200, 50]}
assert _precaption_media_region(media_cluster, caption) is False
def test_is_embedded_figure_text_inside_media() -> None:
from paperforge.worker.ocr_figures import is_embedded_figure_text
blocks = [
{"block_id": 1, "page": 1, "role": "figure_asset", "raw_label": "image", "bbox": [100, 100, 500, 400]},
]
block_inside = {"block_id": 2, "page": 1, "role": "text", "bbox": [200, 200, 300, 250]}
assert is_embedded_figure_text(block_inside, blocks) is True
def test_is_embedded_figure_text_outside_media() -> None:
from paperforge.worker.ocr_figures import is_embedded_figure_text
blocks = [
{"block_id": 1, "page": 1, "role": "figure_asset", "raw_label": "image", "bbox": [100, 100, 500, 400]},
]
block_outside = {"block_id": 2, "page": 1, "role": "text", "bbox": [600, 600, 700, 650]}
assert is_embedded_figure_text(block_outside, blocks) is False
def test_is_embedded_figure_text_narrow_axis_label() -> None:
from paperforge.worker.ocr_figures import is_embedded_figure_text
blocks = [
{"block_id": 1, "page": 1, "role": "figure_asset", "raw_label": "image", "bbox": [100, 100, 500, 400]},
]
narrow = {"block_id": 2, "page": 1, "role": "text", "bbox": [200, 450, 320, 470]}
assert is_embedded_figure_text(narrow, blocks) is True
def test_compute_candidate_figure_regions_basic() -> None:
from paperforge.worker.ocr_figures import _compute_candidate_figure_regions
blocks = [
{"block_id": 1, "page": 1, "role": "figure_asset", "raw_label": "image", "bbox": [100, 100, 500, 300]},
{
"block_id": 2,
"page": 1,
"role": "figure_caption",
"text": "Figure 1. Test caption.",
"bbox": [100, 320, 500, 360],
},
]
regions = _compute_candidate_figure_regions(blocks)
assert len(regions) == 1
assert regions[0]["page"] == 1
assert len(regions[0]["media_blocks"]) == 1
assert len(regions[0]["attached_captions"]) == 1
def test_compute_candidate_figure_regions_no_caption() -> None:
from paperforge.worker.ocr_figures import _compute_candidate_figure_regions
blocks = [
{"block_id": 1, "page": 1, "role": "figure_asset", "raw_label": "image", "bbox": [100, 100, 500, 300]},
]
regions = _compute_candidate_figure_regions(blocks)
assert len(regions) == 1
assert len(regions[0]["attached_captions"]) == 0
def test_compute_candidate_figure_regions_caption_before_media() -> None:
from paperforge.worker.ocr_figures import _compute_candidate_figure_regions
blocks = [
{
"block_id": 1,
"page": 1,
"role": "figure_caption",
"text": "Figure 1. Caption before image.",
"bbox": [100, 50, 500, 90],
},
{"block_id": 2, "page": 1, "role": "figure_asset", "raw_label": "image", "bbox": [100, 110, 500, 400]},
]
regions = _compute_candidate_figure_regions(blocks)
assert len(regions) == 1
assert len(regions[0]["attached_captions"]) == 0
# --- existing tests ---
def test_formal_figure_count_is_based_on_legends_not_raw_images() -> None:
from paperforge.worker.ocr_figures import build_figure_inventory
structured_blocks = [
{
"paper_id": "KEY001",
"page": 3,
"block_id": "p3_b21",
"role": "figure_caption",
"text": "Figure 1. Left column figure.",
"bbox": [66, 446, 559, 628],
},
{
"paper_id": "KEY001",
"page": 3,
"block_id": "p3_b22",
"role": "figure_asset",
"text": "",
"bbox": [80, 116, 546, 434],
},
{
"paper_id": "KEY001",
"page": 3,
"block_id": "p3_b23",
"role": "figure_asset",
"text": "",
"bbox": [598, 114, 1063, 493],
},
]
inventory = build_figure_inventory(structured_blocks)
assert inventory["official_figure_count"] == 1
assert len(inventory["figure_legends"]) == 1
def test_figure_inventory_includes_all_sections() -> None:
from paperforge.worker.ocr_figures import build_figure_inventory
inventory = build_figure_inventory([])
assert "figure_legends" in inventory
assert "figure_assets" in inventory
assert "matched_figures" in inventory
assert "unmatched_legends" in inventory
assert "unmatched_assets" in inventory
assert "official_figure_count" in inventory
def test_unmatched_assets_are_preserved() -> None:
from paperforge.worker.ocr_figures import build_figure_inventory
structured_blocks = [
{
"paper_id": "KEY001",
"page": 5,
"block_id": "p5_b10",
"role": "figure_asset",
"text": "",
"bbox": [100, 100, 500, 400],
},
]
inventory = build_figure_inventory(structured_blocks)
assert inventory["official_figure_count"] == 0
assert len(inventory["unmatched_assets"]) == 1
def test_extract_figure_number_basic() -> None:
from paperforge.worker.ocr_figures import _extract_figure_number
assert _extract_figure_number("Figure 1. Caption") == 1
def test_extract_figure_number_fig_dot() -> None:
from paperforge.worker.ocr_figures import _extract_figure_number
assert _extract_figure_number("Fig. 2. Test") == 2
def test_extract_figure_number_supplementary() -> None:
from paperforge.worker.ocr_figures import _extract_figure_number
assert _extract_figure_number("Supplementary Fig. S3") == 3
def test_extract_figure_number_extended_data() -> None:
from paperforge.worker.ocr_figures import _extract_figure_number
assert _extract_figure_number("Extended Data Fig. 4.") == 4
def test_extract_figure_number_decimal_truncated() -> None:
from paperforge.worker.ocr_figures import _extract_figure_number
result = _extract_figure_number("Figure 1.2. Magnified view")
assert result == 1 or result == 1.2
def test_extract_figure_number_none() -> None:
from paperforge.worker.ocr_figures import _extract_figure_number
assert _extract_figure_number("Some random text") is None
def test_extract_figure_number_multiline() -> None:
from paperforge.worker.ocr_figures import _extract_figure_number
assert _extract_figure_number("Figure 3.\nDescription continues") == 3
def test_formal_legend_detection_explicit_figure_prefix() -> None:
from paperforge.worker.ocr_figures import build_figure_inventory
structured_blocks = [
{
"paper_id": "K001",
"page": 1,
"block_id": "p1_b1",
"role": "figure_caption",
"text": "Figure 1. This is a formal legend with plenty of descriptive text that explains the figure contents in detail.",
"bbox": [50, 400, 550, 450],
},
{
"paper_id": "K001",
"page": 1,
"block_id": "p1_b2",
"role": "figure_asset",
"text": "",
"bbox": [50, 50, 550, 380],
},
]
inventory = build_figure_inventory(structured_blocks)
assert len(inventory["matched_figures"]) == 1
assert inventory["matched_figures"][0]["figure_number"] == 1
assert len(inventory["matched_figures"][0]["matched_assets"]) == 1
assert inventory["matched_figures"][0]["confidence"] == 0.85
def test_candidate_legend_geometry_match() -> None:
from paperforge.worker.ocr_figures import build_figure_inventory
structured_blocks = [
{
"paper_id": "K001",
"page": 1,
"block_id": "p1_b1",
"role": "figure_caption",
"text": "Figure 1. Formal legend that establishes a width profile.",
"bbox": [50, 420, 550, 460],
},
{
"paper_id": "K001",
"page": 1,
"block_id": "p1_b2",
"role": "figure_caption",
"text": "No figure prefix but short and profile-matched",
"bbox": [60, 350, 540, 380],
},
{
"paper_id": "K001",
"page": 1,
"block_id": "p1_b3",
"role": "figure_asset",
"text": "",
"bbox": [60, 50, 540, 330],
},
]
inventory = build_figure_inventory(structured_blocks)
assert len(inventory["matched_figures"]) == 2
match_texts = [m["text"] for m in inventory["matched_figures"]]
assert any("No figure prefix" in t for t in match_texts)
def test_legend_only_figure_no_asset_match() -> None:
from paperforge.worker.ocr_figures import build_figure_inventory
structured_blocks = [
{
"paper_id": "K001",
"page": 2,
"block_id": "p2_b1",
"role": "figure_caption",
"text": "Figure 2. This caption has no matching asset on the same page.",
"bbox": [50, 700, 550, 750],
},
]
inventory = build_figure_inventory(structured_blocks)
assert len(inventory["matched_figures"]) == 1
assert inventory["matched_figures"][0]["figure_number"] == 2
assert len(inventory["matched_figures"][0]["matched_assets"]) == 0
assert "legend_only" in inventory["matched_figures"][0]["flags"]
assert inventory["matched_figures"][0]["confidence"] == 0.4
def test_unmatched_legends_populated() -> None:
from paperforge.worker.ocr_figures import build_figure_inventory
structured_blocks = [
{
"paper_id": "K001",
"page": 3,
"block_id": "p3_b1",
"role": "figure_caption",
"text": "Figure 3. Caption with no figure asset at all.",
"bbox": [50, 700, 550, 750],
},
]
inventory = build_figure_inventory(structured_blocks)
assert len(inventory["unmatched_legends"]) == 1
assert inventory["unmatched_legends"][0]["block_id"] == "p3_b1"
def test_body_mention_not_mistaken_for_formal_legend() -> None:
from paperforge.worker.ocr_figures import build_figure_inventory
structured_blocks = [
{
"paper_id": "K001",
"page": 1,
"block_id": "p1_b1",
"role": "figure_caption",
"block_label": "text",
"text": "Figure 3 shows quantitative results of cell migration under applied DC electric field.",
"bbox": [50, 100, 550, 130],
},
{
"paper_id": "K001",
"page": 2,
"block_id": "p2_b1",
"role": "figure_caption",
"block_label": "figure_title",
"text": "Figure 3. Quantitative analysis of cell migration under DC electric field stimulation.",
"bbox": [50, 700, 550, 740],
},
{
"paper_id": "K001",
"page": 2,
"block_id": "p2_b2",
"role": "figure_asset",
"text": "",
"bbox": [50, 50, 550, 680],
},
]
inventory = build_figure_inventory(structured_blocks)
assert len(inventory["matched_figures"]) == 1
assert inventory["matched_figures"][0]["legend_block_id"] == "p2_b1"
assert len(inventory["matched_figures"][0]["matched_assets"]) == 1
assert inventory["matched_figures"][0]["matched_assets"][0]["block_id"] == "p2_b2"
def test_legend_does_not_steal_offpage_asset() -> None:
from paperforge.worker.ocr_figures import build_figure_inventory
structured_blocks = [
{
"paper_id": "K001",
"page": 1,
"block_id": "p1_b1",
"role": "figure_caption",
"text": "Figure 1. A caption with no asset on the same page.",
"bbox": [50, 700, 550, 740],
},
{
"paper_id": "K001",
"page": 2,
"block_id": "p2_b1",
"role": "figure_asset",
"text": "",
"bbox": [50, 50, 550, 400],
},
]
inventory = build_figure_inventory(structured_blocks)
assert len(inventory["matched_figures"]) == 1
assert len(inventory["matched_figures"][0]["matched_assets"]) == 0
assert "legend_only" in inventory["matched_figures"][0]["flags"]
assert len(inventory["unmatched_assets"]) == 1
assert inventory["unmatched_assets"][0]["block_id"] == "p2_b1"
def test_low_confidence_inner_label_does_not_create_formal_figure_object() -> None:
from paperforge.worker.ocr_figures import build_figure_inventory
structured_blocks = [
{
"paper_id": "K001",
"page": 9,
"block_id": "p9_b2",
"role": "media_asset",
"raw_label": "chart",
"text": "",
"bbox": [429, 237, 733, 485],
},
{
"paper_id": "K001",
"page": 9,
"block_id": "p9_b3",
"role": "media_asset",
"raw_label": "chart",
"text": "",
"bbox": [772, 238, 1071, 484],
},
{
"paper_id": "K001",
"page": 9,
"block_id": "p9_b4",
"role": "media_asset",
"raw_label": "chart",
"text": "",
"bbox": [363, 504, 742, 757],
},
{
"paper_id": "K001",
"page": 9,
"block_id": "p9_b5",
"role": "media_asset",
"raw_label": "chart",
"text": "",
"bbox": [766, 503, 1075, 750],
},
{
"paper_id": "K001",
"page": 9,
"block_id": "p9_b6",
"role": "media_asset",
"raw_label": "chart",
"text": "",
"bbox": [428, 774, 729, 1016],
},
{
"paper_id": "K001",
"page": 9,
"block_id": "p9_b7",
"role": "media_asset",
"raw_label": "chart",
"text": "",
"bbox": [765, 768, 1075, 1013],
},
{
"paper_id": "K001",
"page": 9,
"block_id": "p9_b8",
"role": "figure_caption",
"raw_label": "figure_title",
"text": "Days post culture in osteogenic differentiation supplemented medium",
"bbox": [374, 1046, 1143, 1077],
},
]
inventory = build_figure_inventory(structured_blocks, page_width=1224)
assert len(inventory["matched_figures"]) == 0, (
"Rejected low-confidence inner labels must not create formal matched figures"
)
assert len(inventory["rejected_legends"]) == 1
assert len(inventory["unmatched_assets"]) == 6