import pytest
from unittest.mock import MagicMock
from aare.devices.tell_client import TellClient
from aare.devices.tell_backend import TellBackend

@pytest.fixture
def mock_backend():
    backend = MagicMock(spec=TellBackend)
    backend.get_state.return_value = "Ready"
    return backend

@pytest.fixture
def mock_beamline():
    return MagicMock()

def test_get_state(mock_beamline, mock_backend):
    client = TellClient(mock_beamline, backend=mock_backend)
    assert client.get_state() == "Ready"
    mock_backend.get_state.assert_called()

def test_is_in_mount_position_true(mock_beamline, mock_backend):
    mock_backend.eval.return_value = "True"
    client = TellClient(mock_beamline, backend=mock_backend)
    assert client.is_in_mount_position() is True
    mock_backend.eval.assert_called_with("in_mount_position&")

def test_is_in_mount_position_false(mock_beamline, mock_backend):
    mock_backend.eval.return_value = "False"
    client = TellClient(mock_beamline, backend=mock_backend)
    assert client.is_in_mount_position() is False