Add terminal TUI and shell completion

tests/test_tui.py

@@ -0,0 +1,81 @@
+# SPDX-License-Identifier: GPL-3.0-or-later
+import io
+import json
+import os
+import tempfile
+import unittest
+from contextlib import redirect_stdout
+from pathlib import Path
+
+from enodia_sentinel.cli import main
+from enodia_sentinel.config import Config
+from enodia_sentinel.tui import (
+    TuiState,
+    collect_model,
+    complete_command,
+    render_lines,
+    run_tui_command,
+)
+
+
+class TestTuiCore(unittest.TestCase):
+    def setUp(self):
+        self.dir = tempfile.TemporaryDirectory()
+        self.tmp = Path(self.dir.name)
+        self.cfg = Config()
+        self.cfg.log_dir = self.tmp
+
+    def tearDown(self):
+        self.dir.cleanup()
+
+    def test_command_completion_unique_and_common_prefix(self):
+        self.assertEqual(complete_command("inc"), "incidents")
+        self.assertEqual(complete_command("r"), "r")
+        self.assertEqual(complete_command("zzz"), "zzz")
+
+    def test_run_tui_command_switches_views_and_filters(self):
+        state = TuiState()
+        run_tui_command(state, "incidents")
+        self.assertEqual(state.view, "incidents")
+        run_tui_command(state, "filter ssh")
+        self.assertEqual(state.filter_text, "ssh")
+        run_tui_command(state, "clear")
+        self.assertEqual(state.filter_text, "")
+        run_tui_command(state, "quit")
+        self.assertTrue(state.should_quit)
+
+    def test_collect_model_and_render_status(self):
+        model = collect_model(self.cfg)
+        state = TuiState(model=model)
+        lines = render_lines(state, width=80)
+        self.assertTrue(any("Daemon:" in line for line in lines))
+        self.assertTrue(any("Heartbeat:" in line for line in lines))
+
+    def test_render_alerts_and_filter(self):
+        (self.tmp / "alert-1.json").write_text(json.dumps({
+            "time": "2026-07-09T01:02:03-07:00",
+            "alerts": [{
+                "severity": "CRITICAL",
+                "sid": 100010,
+                "signature": "reverse_shell",
+                "detail": "bash connected to 8.8.8.8",
+            }],
+        }))
+        state = TuiState(view="alerts", model=collect_model(self.cfg))
+        self.assertTrue(any("reverse_shell" in line for line in render_lines(state)))
+        state.filter_text = "nomatch"
+        self.assertEqual(render_lines(state), ["No rows match filter: nomatch"])
+
+    def test_cli_completion_outputs_scripts(self):
+        for shell in ("bash", "zsh"):
+            with self.subTest(shell=shell):
+                buf = io.StringIO()
+                with redirect_stdout(buf):
+                    code = main(["completion", shell])
+                self.assertEqual(code, 0)
+                self.assertIn("enodia-sentinel", buf.getvalue())
+                self.assertIn("tui", buf.getvalue())
+
+
+if __name__ == "__main__":
+    unittest.main()