"""Unit tests for ExperimentStatus enum."""

from model_manager.utils.models.experiment_status import ExperimentStatus


def test_experiment_status_values():
    """Test that all expected status values exist."""
    assert ExperimentStatus.ORCHESTRATOR_VALIDATION_ERROR == 'ORCHESTRATOR_VALIDATION_ERROR'
    assert ExperimentStatus.ORCHESTRATOR_WAITING_PROC == 'ORCHESTRATOR_WAITING_PROC'
    assert ExperimentStatus.TRAINING_SUCCESS == 'TRAINING_SUCCESS'
    assert ExperimentStatus.TRAINING_ERROR == 'TRAINING_ERROR'


def test_experiment_status_count():
    """Test that enum has exactly 4 status values."""
    assert len(ExperimentStatus) == 4


def test_experiment_status_is_string():
    """Test that enum values are strings."""
    for status in ExperimentStatus:
        assert isinstance(status.value, str)
        assert isinstance(status, str)


def test_experiment_status_membership():
    """Test membership checks for status values."""
    assert 'ORCHESTRATOR_VALIDATION_ERROR' in [s.value for s in ExperimentStatus]
    assert 'ORCHESTRATOR_WAITING_PROC' in [s.value for s in ExperimentStatus]
    assert 'TRAINING_SUCCESS' in [s.value for s in ExperimentStatus]
    assert 'TRAINING_ERROR' in [s.value for s in ExperimentStatus]


def test_experiment_status_iteration():
    """Test that enum can be iterated."""
    statuses = list(ExperimentStatus)
    assert len(statuses) == 4
    assert ExperimentStatus.ORCHESTRATOR_VALIDATION_ERROR in statuses
    assert ExperimentStatus.ORCHESTRATOR_WAITING_PROC in statuses
    assert ExperimentStatus.TRAINING_SUCCESS in statuses
    assert ExperimentStatus.TRAINING_ERROR in statuses


def test_experiment_status_comparison():
    """Test that enum values can be compared with strings."""
    assert ExperimentStatus.ORCHESTRATOR_VALIDATION_ERROR == 'ORCHESTRATOR_VALIDATION_ERROR'
    assert ExperimentStatus.ORCHESTRATOR_WAITING_PROC == 'ORCHESTRATOR_WAITING_PROC'
    assert ExperimentStatus.TRAINING_SUCCESS == 'TRAINING_SUCCESS'
    assert ExperimentStatus.TRAINING_ERROR != 'TRAINING_SUCCESS'


def test_experiment_status_access_by_name():
    """Test accessing enum members by name."""
    assert (
        ExperimentStatus['ORCHESTRATOR_VALIDATION_ERROR']
        == ExperimentStatus.ORCHESTRATOR_VALIDATION_ERROR
    )
    assert (
        ExperimentStatus['ORCHESTRATOR_WAITING_PROC'] == ExperimentStatus.ORCHESTRATOR_WAITING_PROC
    )
    assert ExperimentStatus['TRAINING_SUCCESS'] == ExperimentStatus.TRAINING_SUCCESS
    assert ExperimentStatus['TRAINING_ERROR'] == ExperimentStatus.TRAINING_ERROR


def test_experiment_status_access_by_value():
    """Test accessing enum members by value."""
    assert (
        ExperimentStatus('ORCHESTRATOR_VALIDATION_ERROR')
        == ExperimentStatus.ORCHESTRATOR_VALIDATION_ERROR
    )
    assert (
        ExperimentStatus('ORCHESTRATOR_WAITING_PROC') == ExperimentStatus.ORCHESTRATOR_WAITING_PROC
    )
    assert ExperimentStatus('TRAINING_SUCCESS') == ExperimentStatus.TRAINING_SUCCESS
    assert ExperimentStatus('TRAINING_ERROR') == ExperimentStatus.TRAINING_ERROR