77일차 실행 기록 분석: 실습 15개 · 강의(개요 30장 · 단계 문서 · 4단계 정리 · 05 바이브), 정답본 LAB-A · answers · VIBE-A · tlog 포함

Last3Mon/77/tlog/tests/test_cli.py

@@ -0,0 +1,59 @@
+"""R5 · R7 · R8 · R10 · R12: JSON names, exit codes 0 · 1 · 2 · 4."""
+import json
+
+from tlog import cli
+
+DATA = "tests/data/run-logs.json"
+
+
+def test_summary_json_has_the_report_names(capsys):
+    assert cli.main(["summary", "--file", DATA, "--from", "2026-10-26", "--to", "2026-10-30", "--json"]) == 0
+    out = json.loads(capsys.readouterr().out)
+    assert {"total", "errors", "error_rate", "p50_ms", "p95_ms", "by_route", "failures", "anomalies", "slo"} <= set(out)
+    assert (out["total"], out["error_rate"]) == (357, 0.0588)
+
+
+def test_plain_summary(capsys):
+    assert cli.main(["summary", "--file", DATA, "--from", "2026-10-19", "--to", "2026-10-30"]) == 0
+    assert capsys.readouterr().out.startswith("666 runs · errors 21 (3.15%) · p50 1205ms · p95 2537ms")
+
+
+def test_exit_codes(capsys):
+    assert cli.main(["summary"]) == 2                                   # no source
+    assert cli.main(["summary", "--file", "/no/such.json"]) == 1         # cannot read
+    assert cli.main(["slo", "--file", DATA, "--from", "2026-10-26", "--to", "2026-10-30"]) == 4
+    assert cli.main(["slo", "--file", DATA, "--from", "2026-10-19", "--to", "2026-10-23", "--unanswered", "0.06"]) == 0
+    assert "SLO ok" in capsys.readouterr().out
+
+
+def test_slo_json(capsys):
+    cli.main(["slo", "--file", DATA, "--from", "2026-10-26", "--to", "2026-10-30", "--json"])
+    out = json.loads(capsys.readouterr().out)
+    assert out["breaches"] == ["error_rate", "unanswered_rate"] and out["values"]["p95_ms"] == 2598
+
+
+def test_usage_mistake_is_2():
+    try:
+        cli.main(["nope"])
+    except SystemExit as stop:
+        assert stop.code == 2
+
+
+def test_compare_and_weekly(capsys):
+    args = ["--file", DATA, "--from", "2026-10-26", "--to", "2026-10-30", "--prev-from", "2026-10-19", "--prev-to", "2026-10-23"]
+    assert cli.main(["compare", *args, "--json"]) == 0
+    rows = {r["metric"]: r for r in json.loads(capsys.readouterr().out)}
+    assert rows["total"]["prev"] == 309 and rows["total"]["now"] == 357 and rows["total"]["change"] == 48
+    assert cli.main(["weekly", *args]) == 0
+    assert "| 요청 | 309 | 357 |" in capsys.readouterr().out
+
+
+def test_data_api(api, capsys):
+    assert cli.main(["summary", "--url", api, "--from", "2026-10-26", "--to", "2026-10-26", "--json"]) == 0
+    assert json.loads(capsys.readouterr().out)["errors"] == 16
+
+
+def test_file_wins_over_tlog_url(monkeypatch, capsys):
+    monkeypatch.setenv("TLOG_URL", "http://127.0.0.1:9")      # nothing listens there
+    assert cli.main(["summary", "--file", DATA, "--from", "2026-10-26", "--to", "2026-10-26", "--json"]) == 0
+    assert json.loads(capsys.readouterr().out)["total"] == 70