test: cover chat core and session storage

tests/unit/test_cli.py

@@ -0,0 +1,40 @@
+import tempfile
+import unittest
+from pathlib import Path
+
+from javis.core.chat_service import ChatService
+from javis.interface.cli import run_chat
+from javis.memory.sqlite_store import SQLiteSessionStore
+from javis.providers.base import ChatMessage
+
+
+class _FakeProvider:
+    name = "ollama"
+    model = "test-model"
+
+    def chat(self, messages: list[ChatMessage]) -> str:
+        return f"Echo: {messages[-1].content}"
+
+
+class CliTests(unittest.TestCase):
+    def test_basic_chat_commands(self) -> None:
+        with tempfile.TemporaryDirectory() as directory:
+            store = SQLiteSessionStore(Path(directory) / "sessions.sqlite3")
+            service = ChatService(store, _FakeProvider())
+            inputs = iter(["Hallo", "/sessions", "/new", "/clear", "/exit"])
+            output: list[str] = []
+
+            result = run_chat(
+                service,
+                input_fn=lambda _prompt: next(inputs),
+                output=output.append,
+            )
+
+        self.assertEqual(result, 0)
+        self.assertTrue(any(line == "Javis: Echo: Hallo" for line in output))
+        self.assertTrue(any("Nachrichten" in line for line in output))
+        self.assertEqual(output[-1], "Chat beendet.")
+
+
+if __name__ == "__main__":
+    unittest.main()