fix: render schemas in ODCS HTML template (fixes #880)

Author: barry0451

CHANGELOG.md

@@ -11,6 +11,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Fix SQL export generating multiple PRIMARY KEY constraints for composite keys (#1026)
 - Preserve parametrized physicalTypes for SQL export (#1086)
 - Fix incorrect SQL type mappings: SQL Server `double`/`jsonb`, MySQL bare `varchar`, missing Trino types (#1110)
+- Fix ODCS HTML export not rendering schemas due to wrong attribute name (`schema` vs `schema_`) (#880)
 
 ## [0.11.7] - 2026-03-24
 

tests/test_export_html.py

@@ -29,3 +29,13 @@ def test_cli_with_output(tmp_path: Path):
     )
     assert result.exit_code == 0
     assert os.path.exists(tmp_path / "datacontract.html")
+
+
+def test_schemas_are_rendered():
+    """Regression test for #880: schemas should render in the ODCS HTML template."""
+    runner = CliRunner()
+    result = runner.invoke(app, ["export", "./fixtures/export/datacontract.odcs.yaml", "--format", "html"])
+    assert result.exit_code == 0
+    # The schema name 'orders' and a property name 'order_id' should appear in the output
+    assert "orders" in result.output
+    assert "order_id" in result.output