add a history command

vibe_bot/tests/test_main.py

@@ -536,3 +536,102 @@ def test_talkforme_invalid_limit(
     asyncio.run(main_module.talkforme(mock_ctx, message="bot1 bot2 abc topic"))
     call_args = mock_ctx.send.call_args[0][0]
     assert "must be an integer" in call_args
+
+
+def test_history_bot_not_found(
+    mock_ctx: MagicMock,
+    mock_custom_bot_manager: MagicMock,
+) -> None:
+    """Test history command when bot doesn't exist."""
+    import asyncio
+
+    import vibe_bot.main as main_module
+
+    mock_custom_bot_manager.get_custom_bot.return_value = None
+
+    asyncio.run(main_module.history(mock_ctx, bot_name="nonexistent"))
+    call_args = mock_ctx.send.call_args[0][0]
+    assert "not found" in call_args
+
+
+def test_history_no_history(
+    mock_ctx: MagicMock,
+    mock_custom_bot_manager: MagicMock,
+    mock_database: MagicMock,
+) -> None:
+    """Test history command when bot has no chat history."""
+    import asyncio
+
+    import vibe_bot.main as main_module
+
+    mock_custom_bot_manager.get_custom_bot.return_value = (
+        "alfred",
+        "british butler",
+        "user-123",
+        "2024-01-01",
+    )
+    mock_database.get_bot_history.return_value = []
+
+    asyncio.run(main_module.history(mock_ctx, bot_name="alfred"))
+    call_args = mock_ctx.send.call_args[0][0]
+    assert "No chat history" in call_args
+    assert "**alfred**" in call_args
+
+
+def test_history_with_data(
+    mock_ctx: MagicMock,
+    mock_custom_bot_manager: MagicMock,
+    mock_database: MagicMock,
+) -> None:
+    """Test history command when bot has chat history."""
+    import asyncio
+
+    import vibe_bot.main as main_module
+
+    mock_custom_bot_manager.get_custom_bot.return_value = (
+        "alfred",
+        "british butler",
+        "user-123",
+        "2024-01-01",
+    )
+    mock_database.get_bot_history.return_value = [
+        ("hello", "yes master?"),
+        ("what time is it", "it is currently 3pm"),
+    ]
+
+    asyncio.run(main_module.history(mock_ctx, bot_name="alfred"))
+
+    assert mock_ctx.send.call_count >= 1
+    first_call = mock_ctx.send.call_args_list[0][0][0]
+    assert "Chat History for **alfred**" in first_call
+    assert "hello" in first_call
+    assert "alfred: yes master?" in first_call
+    assert "what time is it" in first_call
+    assert "alfred: it is currently 3pm" in first_call
+
+
+def test_history_long_response_chunked(
+    mock_ctx: MagicMock,
+    mock_custom_bot_manager: MagicMock,
+    mock_database: MagicMock,
+) -> None:
+    """Test that long history responses are sent in chunks."""
+    import asyncio
+
+    import vibe_bot.main as main_module
+
+    mock_custom_bot_manager.get_custom_bot.return_value = (
+        "alfred",
+        "british butler",
+        "user-123",
+        "2024-01-01",
+    )
+    long_user = "x" * 500
+    long_bot = "y" * 500
+    mock_database.get_bot_history.return_value = [
+        (long_user, long_bot),
+    ]
+
+    asyncio.run(main_module.history(mock_ctx, bot_name="alfred"))
+
+    assert mock_ctx.send.call_count >= 1