test(fase2a): repo-lokal mini-bundle-fixture for kryssprosjekt-læring (S2.0)

tests/test_reference_domain.py

@@ -38,6 +38,28 @@ def test_every_project_has_docs_dir_and_verdict_input(projects: tuple[Project, .
         assert p.verdict_input["decision"] and p.verdict_input["rationale"]
 
 
+def test_repo_local_mini_bundle_loads_as_ir_projection() -> None:
+    """Step 1 (S2.0 fixture): the repo-local mini OKF-bundle under the package ``data/`` root loads
+    as a valid IR projection via ``okf.load_ir_projection`` (fail-fast), exposing its ``project_id``,
+    and lives under ``data/`` — NEVER under ``shared/`` (the subtree is PULL-ONLY). It is also a
+    navigable OKF bundle (readable ``index.md``), so the Step-3 bundle-context navigation works."""
+    import os
+    from importlib.resources import files
+
+    from portfolio_optimiser import okf
+
+    bundle_dir = str(files("portfolio_optimiser").joinpath("data/bundles/bygg-energi-mikro-a"))
+    assert os.path.isdir(bundle_dir)
+    assert f"{os.sep}data{os.sep}bundles{os.sep}" in bundle_dir
+    assert f"{os.sep}shared{os.sep}" not in bundle_dir
+
+    ir = okf.load_ir_projection(bundle_dir)
+    assert ir["project_id"] == "BYGG-ENERGI-MIKRO-A"
+
+    bundle = okf.navigate_bundle(bundle_dir)
+    assert bundle.index_summary.strip()
+
+
 def test_cost_item_total_is_quantity_times_unit_cost() -> None:
     item = CostItem(code="X", description="d", quantity=4.0, unit="m2", unit_cost=215.0)
     assert item.total_cost == pytest.approx(860.0)