Exposer le cadre imprimable et l'export PDF dans mapserve

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

lidar_pipeline/tests/test_mapserve.py

@@ -1251,3 +1251,73 @@ def test_background_scan_retries_cells_beyond_queue_max(tmp_path, monkeypatch):
     assert seen == expected
     # Pyramide passée en entier : les scans suivants se taisent
     assert mapserve.background_scan(tmp_path) == 0
+
+
+def _center(col=1054, row=6882):
+    from lidar_pipeline.tiles import _transformer
+    lon, lat = _transformer("EPSG:2154", "EPSG:4326").transform(col * 1000 + 500, (row - 1) * 1000 + 500)
+    return lat, lon
+
+
+def test_export_frame_returns_corners(tmp_path, monkeypatch):
+    mapserve = _setup(tmp_path, monkeypatch, layers=("relief_oriente",))
+    lat, lon = _center()
+    d = mapserve.export_frame(lat, lon, "A4", "paysage", 2000)
+    assert len(d["corners"]) == 4 and d["width_m"] > 0
+
+
+def test_export_pdf_ok(tmp_path, monkeypatch):
+    mapserve = _setup(tmp_path, monkeypatch, layers=("relief_oriente",))
+    lat, lon = _center()
+    resp = mapserve.export_pdf_file(lat, lon, "A4", "paysage", 2000, None)
+    assert resp.media_type == "application/pdf" and resp.body.startswith(b"%PDF")
+    assert 'attachment; filename="relief_' in resp.headers["Content-Disposition"]
+
+
+def test_export_pdf_errors(tmp_path, monkeypatch):
+    import pytest
+    from fastapi import HTTPException
+    mapserve = _setup(tmp_path, monkeypatch, layers=("relief_oriente",))
+    lat, lon = _center()
+    with pytest.raises(HTTPException) as e:
+        mapserve.export_pdf_file(lat, lon, "A4", "paysage", 1234, None)
+    assert e.value.status_code == 400
+    with pytest.raises(HTTPException) as e:
+        mapserve.export_pdf_file(46.5, 2.5, "A4", "paysage", 2000, None)
+    assert e.value.status_code == 404
+
+
+def test_export_pdf_rejects_non_finite(tmp_path, monkeypatch):
+    import pytest
+    from fastapi import HTTPException
+    mapserve = _setup(tmp_path, monkeypatch, layers=("relief_oriente",))
+    for lat, lon in ((float("nan"), 2.0), (48.0, float("inf"))):
+        with pytest.raises(HTTPException) as e:
+            mapserve.export_pdf_file(lat, lon, "A4", "paysage", 2000, None)
+        assert e.value.status_code == 400
+        with pytest.raises(HTTPException) as e:
+            mapserve.export_frame(lat, lon, "A4", "paysage", 2000)
+        assert e.value.status_code == 400
+
+
+def test_export_pdf_concurrent_429(tmp_path, monkeypatch):
+    import pytest
+    from fastapi import HTTPException
+    mapserve = _setup(tmp_path, monkeypatch, layers=("relief_oriente",))
+    lat, lon = _center()
+    assert mapserve._export_lock.acquire(blocking=False)
+    try:
+        with pytest.raises(HTTPException) as e:
+            mapserve.export_pdf_file(lat, lon, "A4", "paysage", 2000, None)
+        assert e.value.status_code == 429
+    finally:
+        mapserve._export_lock.release()
+    assert mapserve.export_pdf_file(lat, lon, "A4", "paysage", 2000, None).body.startswith(b"%PDF")
+
+
+def test_export_pdf_never_delegated(tmp_path, monkeypatch):
+    """Carte légère avec générateur distant : l'export reste local."""
+    mapserve = _setup(tmp_path, monkeypatch, layers=("relief_oriente",))
+    monkeypatch.setattr(mapserve, "GENERATION_URL", "http://injoignable.invalid")
+    lat, lon = _center()
+    assert mapserve.export_pdf_file(lat, lon, "A4", "paysage", 2000, None).body.startswith(b"%PDF")