test: add unit tests for core, parser and operations

tests/test_events.py

@@ -0,0 +1,64 @@
+from __future__ import annotations
+
+from pathlib import Path
+
+from sshctl.operations.events import Event, flush, log_event, recent
+
+
+def test_event_to_dict() -> None:
+    ev = Event(
+        command="host list",
+        status="ok",
+        args={"--verbose": "true"},
+        result="",
+        duration_ms=12.5,
+    )
+    d = ev.to_dict()
+    assert d["cmd"] == "host list"
+    assert d["status"] == "ok"
+    assert d["args"] == {"--verbose": "true"}
+    assert d["duration_ms"] == 12.5
+    assert isinstance(d["ts"], float)
+
+
+def test_log_event_and_flush(ssh_dir: Path) -> None:
+    log_event(Event(command="check", status="ok", duration_ms=1.5))
+    flush(ssh_dir)
+    rows = recent(ssh_dir)
+    assert len(rows) == 1
+    assert rows[0]["cmd"] == "check"
+    assert rows[0]["status"] == "ok"
+
+
+def test_flush_empty_no_file(ssh_dir: Path) -> None:
+    flush(ssh_dir)
+    assert recent(ssh_dir) == []
+
+
+def test_recent_empty_when_no_file(ssh_dir: Path) -> None:
+    assert recent(ssh_dir) == []
+
+
+def test_recent_limits(ssh_dir: Path) -> None:
+    for i in range(10):
+        log_event(Event(command=f"cmd{i}", status="ok"))
+    flush(ssh_dir)
+    rows = recent(ssh_dir, limit=3)
+    assert len(rows) == 3
+    assert rows[0]["cmd"] == "cmd7"
+
+
+def test_recent_skips_bad_json(ssh_dir: Path) -> None:
+    report = ssh_dir / "report"
+    report.mkdir(exist_ok=True)
+    (report / "events.ndjson").write_text("not-json\n")
+    assert recent(ssh_dir) == []
+
+
+def test_flush_writes_valid_ndjson(ssh_dir: Path) -> None:
+    log_event(Event(command="tree", status="ok"))
+    log_event(Event(command="diff", status="error"))
+    flush(ssh_dir)
+    path = ssh_dir / "report" / "events.ndjson"
+    lines = path.read_text().strip().splitlines()
+    assert len(lines) == 2