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# -*- coding: utf-8 -*-
import os
import pytest
from django.contrib.auth.models import User
from django.core.management import call_command, CommandError
from django.test import TestCase
from django.test.utils import override_settings
from io import StringIO
from unittest.mock import patch
TEST_FIXTURE_DIR = os.path.join(os.path.dirname(__file__), "fixtures")
@override_settings(FIXTURE_DIRS=[TEST_FIXTURE_DIR])
class SyncDataExceptionsTests(TestCase):
"""Tests for SyncData command exceptions."""
def test_should_return_SyncDataError_when_unknown_fixture_format(self):
with pytest.raises(
CommandError,
match="Problem installing fixture 'foo': jpeg is not a known serialization format.",
):
call_command("syncdata", "foo.jpeg", verbosity=2)
def test_should_return_SyncDataError_when_file_not_contains_valid_fixture_data(
self,
):
with pytest.raises(
CommandError,
match=r"No fixture data found for 'invalid_fixture'. \(File format may be invalid.\)",
):
call_command("syncdata", "invalid_fixture.xml", verbosity=2)
def test_should_return_SyncDataError_when_file_has_non_existent_field_in_fixture_data(
self,
):
with pytest.raises(
CommandError,
match=r"Problem installing fixture '.+fixture_with_nonexistent_field.json'",
):
call_command("syncdata", "fixture_with_nonexistent_field.json", verbosity=1)
with pytest.raises(
CommandError,
match="django.core.exceptions.FieldDoesNotExist: User has no field named 'non_existent_field'",
):
call_command("syncdata", "fixture_with_nonexistent_field.json", verbosity=1)
def test_should_return_SyncDataError_when_multiple_fixtures(self):
with pytest.raises(
CommandError,
match="Multiple fixtures named 'users' in '{}'. Aborting.".format(
TEST_FIXTURE_DIR
),
):
call_command("syncdata", "users", verbosity=2)
@override_settings(FIXTURE_DIRS=[TEST_FIXTURE_DIR])
class SyncDataTests(TestCase):
"""Tests for syncdata command."""
@patch("sys.stdout", new_callable=StringIO)
def test_should_print_No_fixtures_found_if_fixture_labels_not_provided(
self, m_stdout
):
call_command("syncdata", verbosity=2)
self.assertEqual("No fixtures found.\n", m_stdout.getvalue())
@patch("sys.stdout", new_callable=StringIO)
def test_should_print_No_fixtures_found_if_fixtures_not_found(self, m_stdout):
call_command("syncdata", "foo", verbosity=2)
self.assertIn("No fixtures found.\n", m_stdout.getvalue())
def test_should_keep_old_objects_and_load_data_from_json_fixture(self):
User.objects.all().delete()
User.objects.create(username="foo")
call_command(
"syncdata",
"--skip-remove",
os.path.join(TEST_FIXTURE_DIR, "users.json"),
verbosity=2,
)
self.assertTrue(User.objects.filter(username="jdoe").exists())
self.assertTrue(User.objects.filter(username="foo").exists())
@patch("sys.stdout", new_callable=StringIO)
def test_should_delete_old_objects_and_load_data_from_json_fixture(self, m_stdout):
User.objects.all().delete()
User.objects.create(username="foo")
call_command("syncdata", "users.json", verbosity=2)
self.assertTrue(User.objects.filter(username="jdoe").exists())
self.assertEqual(User.objects.count(), 1)
self.assertIn("Installed 1 object from 1 fixture", m_stdout.getvalue())
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