from io import StringIO

from django.contrib.auth import get_user_model
from django.core.management import call_command
from django.test import TestCase

from misago.users.management.commands import listusedprofilefields


UserModel = get_user_model()


class ListUsedProfileFieldsTests(TestCase):
    def test_no_fields_set(self):
        """utility has no showstoppers when no fields are set"""
        UserModel.objects.create_user('Bob', 'bob@bob.com', 'pass123')

        out = StringIO()
        call_command(listusedprofilefields.Command(), stdout=out)
        command_output = out.getvalue().splitlines()[0].strip()

        self.assertEqual(command_output, "No profile fields are currently in use.")

    def test_fields_set(self):
        """utility lists number of users that have different fields set"""
        user = UserModel.objects.create_user('Bob', 'bob@bob.com', 'pass123')
        user.profile_fields = {'gender': 'male', 'bio': "Yup!"}
        user.save()

        user = UserModel.objects.create_user('Bob2', 'bob2@bob.com', 'pass123')
        user.profile_fields = {'gender': 'male'}
        user.save()

        user = UserModel.objects.create_user('Bob3', 'bob3@bob.com', 'pass123')
        user.profile_fields = {'location': ""}
        user.save()

        out = StringIO()
        call_command(listusedprofilefields.Command(), stdout=out)
        command_output = [l.strip() for l in out.getvalue().strip().splitlines()]

        self.assertEqual(command_output, [
            "bio:      1",
            "gender:   2",
            "location: 1",
        ])