Add shadbala oracle comparison entrypoint

tests/test_shadbala_oracle_comparison.py

@@ -0,0 +1,30 @@
+#!/usr/bin/env python3
+"""Regression tests for Shadbala absolute oracle comparison entrypoint."""
+
+from __future__ import annotations
+
+from pathlib import Path
+
+from scripts.shadbala_oracle_comparison import compare_case
+
+
+ROOT = Path(__file__).resolve().parents[1]
+ORACLE_FILE = ROOT / "references" / "oracle" / "dasha_shadbala_oracle_cases.json"
+
+
+def test_compare_case_returns_absolute_rupa_diffs_for_external_verified_case() -> None:
+    report = compare_case(
+        oracle_file=str(ORACLE_FILE),
+        case_id="template_steve_jobs_dasha_lahiri",
+    )
+
+    assert report["scope"] == "shadbala_absolute_oracle_comparison"
+    assert report["case_id"] == "template_steve_jobs_dasha_lahiri"
+    assert report["status"] == "external_verified"
+    assert report["settings"]["ayanamsa"] == "lahiri"
+    assert report["summary"]["planet_count"] == 7
+    assert "Sun" in report["comparison"]
+    assert "oracle_total_rupa" in report["comparison"]["Sun"]
+    assert "local_total_rupa" in report["comparison"]["Sun"]
+    assert "diff_total_rupa" in report["comparison"]["Sun"]
+