"""
Tests for UserRole enum — verifies lowercase member names and values.
"""
import pytest
from app.models.user import UserRole


class TestUserRole:
    def test_member_names_are_lowercase(self):
        assert UserRole.pending.name == "pending"
        assert UserRole.approved.name == "approved"
        assert UserRole.admin.name == "admin"

    def test_values_are_lowercase(self):
        assert UserRole.pending.value == "pending"
        assert UserRole.approved.value == "approved"
        assert UserRole.admin.value == "admin"

    def test_is_str_enum(self):
        assert isinstance(UserRole.admin, str)
        assert UserRole.admin == "admin"

    def test_no_uppercase_members(self):
        for member in UserRole:
            assert member.name == member.name.lower(), f"Member {member.name} is not lowercase"
            assert member.value == member.value.lower(), f"Value {member.value} is not lowercase"

    def test_lookup_by_value(self):
        assert UserRole("pending") == UserRole.pending
        assert UserRole("approved") == UserRole.approved
        assert UserRole("admin") == UserRole.admin

    def test_invalid_value_raises(self):
        with pytest.raises(ValueError):
            UserRole("ADMIN")