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| 1 | +"""CLI tests for ``sway report --format html`` (S12).""" |
| 2 | + |
| 3 | +from __future__ import annotations |
| 4 | + |
| 5 | +import builtins |
| 6 | +import json |
| 7 | +from pathlib import Path |
| 8 | + |
| 9 | +import pytest |
| 10 | +from typer.testing import CliRunner |
| 11 | + |
| 12 | +from dlm_sway.cli.app import app |
| 13 | + |
| 14 | +# Plotly is shipped via the optional [viz] extra. The |
| 15 | +# ``test_missing_plotly_surfaces_install_hint`` test monkeypatches it |
| 16 | +# away, so it runs unconditionally; every other test needs plotly loaded. |
| 17 | +pytest.importorskip("plotly") |
| 18 | + |
| 19 | + |
| 20 | +def _write_sample_result(path: Path) -> None: |
| 21 | + payload = { |
| 22 | + "schema_version": 1, |
| 23 | + "sway_version": "0.1.0.dev0", |
| 24 | + "base_model_id": "base", |
| 25 | + "adapter_id": "adp", |
| 26 | + "started_at": "2026-01-01T12:00:00+00:00", |
| 27 | + "finished_at": "2026-01-01T12:00:02+00:00", |
| 28 | + "score": { |
| 29 | + "overall": 0.77, |
| 30 | + "band": "healthy", |
| 31 | + "components": { |
| 32 | + "adherence": 0.8, |
| 33 | + "attribution": 0.7, |
| 34 | + "calibration": 0.8, |
| 35 | + "ablation": 0.7, |
| 36 | + }, |
| 37 | + "weights": { |
| 38 | + "adherence": 0.30, |
| 39 | + "attribution": 0.35, |
| 40 | + "calibration": 0.20, |
| 41 | + "ablation": 0.15, |
| 42 | + }, |
| 43 | + "findings": [], |
| 44 | + }, |
| 45 | + "probes": [ |
| 46 | + { |
| 47 | + "name": "dk", |
| 48 | + "kind": "delta_kl", |
| 49 | + "verdict": "pass", |
| 50 | + "score": 0.8, |
| 51 | + "raw": 0.4, |
| 52 | + "z_score": 4.0, |
| 53 | + "message": "ok", |
| 54 | + }, |
| 55 | + { |
| 56 | + "name": "abl", |
| 57 | + "kind": "adapter_ablation", |
| 58 | + "verdict": "pass", |
| 59 | + "score": 0.7, |
| 60 | + "raw": 0.9, |
| 61 | + "message": "R²=0.9", |
| 62 | + "evidence": { |
| 63 | + "lambdas": [0.0, 0.5, 1.0], |
| 64 | + "mean_divergence_per_lambda": [0.0, 0.1, 0.2], |
| 65 | + "saturation_lambda": 0.75, |
| 66 | + }, |
| 67 | + }, |
| 68 | + ], |
| 69 | + } |
| 70 | + path.write_text(json.dumps(payload), encoding="utf-8") |
| 71 | + |
| 72 | + |
| 73 | +class TestReportHtmlCli: |
| 74 | + def test_writes_file(self, tmp_path: Path) -> None: |
| 75 | + result_json = tmp_path / "result.json" |
| 76 | + out_html = tmp_path / "report.html" |
| 77 | + _write_sample_result(result_json) |
| 78 | + invocation = CliRunner().invoke( |
| 79 | + app, ["report", str(result_json), "--format", "html", "--out", str(out_html)] |
| 80 | + ) |
| 81 | + assert invocation.exit_code == 0, invocation.stdout + invocation.stderr |
| 82 | + assert out_html.is_file() |
| 83 | + content = out_html.read_text(encoding="utf-8") |
| 84 | + # Structural markers — the wrapper + panel div ids + probe names. |
| 85 | + assert content.startswith("<!doctype html>") |
| 86 | + assert 'id="sway-gauge"' in content |
| 87 | + assert 'id="sway-scatter"' in content |
| 88 | + assert "dk" in content |
| 89 | + # Stderr carries the "wrote HTML → ..." confirmation. |
| 90 | + assert "wrote HTML" in invocation.stderr |
| 91 | + |
| 92 | + def test_requires_out_flag(self, tmp_path: Path) -> None: |
| 93 | + result_json = tmp_path / "result.json" |
| 94 | + _write_sample_result(result_json) |
| 95 | + invocation = CliRunner().invoke(app, ["report", str(result_json), "--format", "html"]) |
| 96 | + # Exit 2 — the 3 MB JS bundle has no business on stdout by default. |
| 97 | + assert invocation.exit_code == 2 |
| 98 | + assert "requires --out" in invocation.stderr |
| 99 | + |
| 100 | + def test_terminal_with_out_errors(self, tmp_path: Path) -> None: |
| 101 | + """``--out`` is only for file-producing formats. Terminal stays |
| 102 | + in the console.""" |
| 103 | + result_json = tmp_path / "result.json" |
| 104 | + target = tmp_path / "bogus.txt" |
| 105 | + _write_sample_result(result_json) |
| 106 | + invocation = CliRunner().invoke( |
| 107 | + app, |
| 108 | + ["report", str(result_json), "--format", "terminal", "--out", str(target)], |
| 109 | + ) |
| 110 | + assert invocation.exit_code == 2 |
| 111 | + assert "does not support --out" in invocation.stderr |
| 112 | + |
| 113 | + def test_markdown_with_out_writes_file(self, tmp_path: Path) -> None: |
| 114 | + """The ``--out`` flag works for ``--format md`` too (any file format).""" |
| 115 | + result_json = tmp_path / "result.json" |
| 116 | + md_out = tmp_path / "report.md" |
| 117 | + _write_sample_result(result_json) |
| 118 | + invocation = CliRunner().invoke( |
| 119 | + app, |
| 120 | + ["report", str(result_json), "--format", "md", "--out", str(md_out)], |
| 121 | + ) |
| 122 | + assert invocation.exit_code == 0, invocation.stdout + invocation.stderr |
| 123 | + assert md_out.is_file() |
| 124 | + assert "# " in md_out.read_text(encoding="utf-8") |
| 125 | + |
| 126 | + def test_missing_plotly_surfaces_install_hint( |
| 127 | + self, tmp_path: Path, monkeypatch: pytest.MonkeyPatch |
| 128 | + ) -> None: |
| 129 | + """When plotly is unavailable, the CLI exits 2 with the extras hint.""" |
| 130 | + result_json = tmp_path / "result.json" |
| 131 | + out_html = tmp_path / "report.html" |
| 132 | + _write_sample_result(result_json) |
| 133 | + |
| 134 | + real_import = builtins.__import__ |
| 135 | + |
| 136 | + def fake_import(name, *args, **kwargs): # type: ignore[no-untyped-def] |
| 137 | + if name.startswith("plotly"): |
| 138 | + raise ImportError("simulated missing plotly") |
| 139 | + return real_import(name, *args, **kwargs) |
| 140 | + |
| 141 | + monkeypatch.setattr(builtins, "__import__", fake_import) |
| 142 | + invocation = CliRunner().invoke( |
| 143 | + app, ["report", str(result_json), "--format", "html", "--out", str(out_html)] |
| 144 | + ) |
| 145 | + assert invocation.exit_code == 2 |
| 146 | + assert "viz" in invocation.stderr |
| 147 | + # File must not have been written on the error path. |
| 148 | + assert not out_html.exists() |