initial

Author: denisecase

tests/test_cli.py

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+"""Smoke tests for se_regimes_explorer.cli."""
+
+from pathlib import Path
+
+from se_regimes_explorer.cli import explorer_data_to_dict, main
+
+
+def test_explorer_data_to_dict() -> None:
+    """Explorer data includes expected regime and transformation counts."""
+    data = explorer_data_to_dict()
+
+    assert len(data["regimes"]) == 9
+    assert len(data["transformations"]) == 3
+    assert "OBL" in data["regimes"]
+    assert "nor_reorg" in data["transformations"]
+
+
+def test_cli_prints_summary(capsys) -> None:
+    """CLI prints a basic summary."""
+    main()
+
+    captured = capsys.readouterr()
+
+    assert "SE Regimes Explorer" in captured.out
+    assert "Regimes: 9" in captured.out
+    assert "Transformations: 3" in captured.out
+
+
+def test_cli_writes_output_json(tmp_path: Path, monkeypatch, capsys) -> None:
+    """CLI writes JSON output when requested."""
+    output_path = tmp_path / "regimes.json"
+
+    monkeypatch.setattr(
+        "sys.argv",
+        ["se-regimes-explorer", "--output-json", str(output_path)],
+    )
+
+    main()
+
+    captured = capsys.readouterr()
+
+    assert output_path.exists()
+    assert "Output file:" in captured.out
+    assert '"OBL"' in output_path.read_text(encoding="utf-8")