From aa342c3e6a1d725bcec81053b05f6cb563ba19f3 Mon Sep 17 00:00:00 2001
From: Research Assistant <research@example.com>
Date: Fri, 5 Jun 2026 12:14:18 +0800
Subject: [PATCH] test: lock OCR phase5 evidence object contract

---
 tests/test_ocr_evidence.py           | 21 +++++++++++++++++++++
 tests/test_paper_context_evidence.py | 23 +++++++++++++++++++++++
 2 files changed, 44 insertions(+)
 create mode 100644 tests/test_ocr_evidence.py
 create mode 100644 tests/test_paper_context_evidence.py

diff --git a/tests/test_ocr_evidence.py b/tests/test_ocr_evidence.py
new file mode 100644
index 00000000..d371663a
--- /dev/null
+++ b/tests/test_ocr_evidence.py
@@ -0,0 +1,21 @@
+from __future__ import annotations
+
+
+def test_evidence_object_preserves_role_page_confidence_and_asset() -> None:
+    from paperforge.worker.ocr_evidence import build_evidence_hit
+
+    hit = build_evidence_hit(
+        paper_id="KEY001",
+        role="figure_caption",
+        page=7,
+        block_id="p7_b18",
+        text="Figure 3. Results.",
+        asset_path="render/figures/figure_003.md",
+        confidence=0.84,
+        verification="has_page_crop",
+    )
+
+    assert hit["source_type"] == "figure_caption"
+    assert hit["page"] == 7
+    assert hit["asset"] == "render/figures/figure_003.md"
+    assert hit["confidence"] == 0.84
diff --git a/tests/test_paper_context_evidence.py b/tests/test_paper_context_evidence.py
new file mode 100644
index 00000000..dd206a27
--- /dev/null
+++ b/tests/test_paper_context_evidence.py
@@ -0,0 +1,23 @@
+from __future__ import annotations
+
+
+def test_paper_context_includes_evidence_summary() -> None:
+    from paperforge.worker.ocr_evidence import build_paper_evidence_summary
+
+    summary = build_paper_evidence_summary(
+        paper_id="KEY001",
+        role_indexes={
+            "body": [{"role": "body_paragraph", "text": "Text..."}],
+            "captions": [{"role": "figure_caption", "text": "Figure 1."}],
+            "references": [{"role": "reference_item", "text": "Smith 2024."}],
+            "metadata": [{"role": "metadata_title", "text": "Paper Title"}],
+            "tables": [],
+        },
+    )
+
+    assert "total_evidence_blocks" in summary
+    assert summary["total_evidence_blocks"] == 4
+    assert "by_role" in summary
+    assert summary["by_role"]["body"] == 1
+    assert summary["by_role"]["captions"] == 1
+    assert "has_figures" in summary or "has_tables" in summary