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test_serializers.py
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test_serializers.py
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# -*- coding: utf-8 -*-
import string
from django.test import TestCase
from rest_framework.fields import WritableField
from rest_framework.reverse import reverse
from user_management.models.tests.factories import UserFactory
from user_management.models.tests.utils import RequestTestCase
from .. import serializers
class ProfileSerializerTest(TestCase):
def test_serialize(self):
user = UserFactory.build()
serializer = serializers.ProfileSerializer(user)
expected = {
'name': user.name,
'email': user.email,
'date_joined': user.date_joined,
}
self.assertEqual(serializer.data, expected)
def test_deserialize(self):
user = UserFactory.build()
data = {
'name': 'New Name',
}
serializer = serializers.ProfileSerializer(user, data=data)
self.assertTrue(serializer.is_valid())
class PasswordChangeSerializerTest(TestCase):
def test_deserialize_passwords(self):
old_password = '0ld_passworD'
new_password = 'n3w_Password'
user = UserFactory.create(password=old_password)
serializer = serializers.PasswordChangeSerializer(user, data={
'old_password': old_password,
'new_password': new_password,
'new_password2': new_password,
})
self.assertTrue(serializer.is_valid())
serializer.save()
self.assertTrue(user.check_password(new_password))
def test_deserialize_invalid_old_password(self):
old_password = '0ld_passworD'
new_password = 'n3w_Password'
user = UserFactory.build(password=old_password)
serializer = serializers.PasswordChangeSerializer(user, data={
'old_password': 'invalid_password',
'new_password': new_password,
'new_password2': new_password,
})
self.assertFalse(serializer.is_valid())
self.assertIn('old_password', serializer.errors)
def test_deserialize_invalid_new_password(self):
old_password = '0ld_passworD'
new_password = '2Short'
user = UserFactory.build(password=old_password)
serializer = serializers.PasswordChangeSerializer(user, data={
'old_password': old_password,
'new_password': new_password,
'new_password2': new_password,
})
self.assertFalse(serializer.is_valid())
self.assertIn('new_password', serializer.errors)
self.assertTrue(serializer.object.check_password(old_password))
# Assert that there are no spurious password mismatch errors
self.assertNotIn('non_field_errors', serializer.errors)
def test_deserialize_mismatched_passwords(self):
old_password = '0ld_passworD'
new_password = 'n3w_Password'
other_password = 'other_new_password'
user = UserFactory.create(password=old_password)
serializer = serializers.PasswordChangeSerializer(user, data={
'old_password': old_password,
'new_password': new_password,
'new_password2': other_password,
})
self.assertFalse(serializer.is_valid())
def test_no_change_password(self):
"""A password cannot be changed if it doesn't change!"""
password = 'Same_passw0rd'
user = UserFactory.create(password=password)
serializer = serializers.PasswordChangeSerializer(user, data={
'old_password': password,
'new_password': password,
'new_password2': password,
}
)
self.assertFalse(serializer.is_valid())
self.assertIn('new_password', serializer.errors)
class PasswordResetSerializerTest(TestCase):
def test_deserialize_passwords(self):
new_password = 'n3w_Password'
user = UserFactory.create()
serializer = serializers.PasswordResetSerializer(user, data={
'new_password': new_password,
'new_password2': new_password,
})
self.assertTrue(serializer.is_valid())
serializer.save()
self.assertTrue(user.check_password(new_password))
def test_deserialize_invalid_new_password(self):
new_password = '2Short'
user = UserFactory.build()
serializer = serializers.PasswordResetSerializer(user, data={
'new_password': new_password,
'new_password2': new_password,
})
self.assertFalse(serializer.is_valid())
self.assertIn('new_password', serializer.errors)
self.assertFalse(serializer.object.check_password(new_password))
def test_deserialize_mismatched_passwords(self):
new_password = 'n3w_Password'
other_password = 'other_new_password'
user = UserFactory.create()
serializer = serializers.PasswordResetSerializer(user, data={
'new_password': new_password,
'new_password2': other_password,
})
self.assertFalse(serializer.is_valid())
class RegistrationSerializerTest(TestCase):
def setUp(self):
super(RegistrationSerializerTest, self).setUp()
self.data = {
'name': "Robert'); DROP TABLE Students;--'",
'email': 'Bobby.Tables+327@xkcd.com',
'password': 'Sup3RSecre7paSSw0rD',
'password2': 'Sup3RSecre7paSSw0rD',
}
def test_deserialize(self):
serializer = serializers.RegistrationSerializer(data=self.data)
self.assertTrue(serializer.is_valid())
user = serializer.object
self.assertEqual(user.name, self.data['name'])
self.assertEqual(user.email, self.data['email'].lower())
self.assertTrue(user.check_password(self.data['password']))
def test_deserialize_invalid_new_password(self):
self.data['password'] = '2short'
serializer = serializers.RegistrationSerializer(data=self.data)
self.assertFalse(serializer.is_valid())
self.assertIn('password', serializer.errors)
self.assertIs(serializer.object, None)
def test_deserialize_mismatched_passwords(self):
self.data['password2'] = 'different_password'
serializer = serializers.RegistrationSerializer(data=self.data)
self.assertFalse(serializer.is_valid())
message = 'Your passwords do not match.'
self.assertIn(message, serializer.errors['password2'])
def test_deserialize_no_email(self):
self.data['email'] = None
serializer = serializers.RegistrationSerializer(data=self.data)
self.assertFalse(serializer.is_valid())
self.assertIn('email', serializer.errors)
class UserSerializerTest(RequestTestCase):
def test_serialize(self):
user = UserFactory.create()
request = self.create_request()
context = {'request': request}
serializer = serializers.UserSerializer(user, context=context)
url = reverse(
'user_management_api:user_detail',
kwargs={'pk': user.pk},
request=request,
)
expected = {
'url': url,
'name': user.name,
'email': user.email,
'date_joined': user.date_joined,
}
self.assertEqual(serializer.data, expected)
def test_deserialize(self):
user = UserFactory.build()
data = {
'name': 'New Name',
}
serializer = serializers.UserSerializer(user, data=data)
self.assertTrue(serializer.is_valid())
def test_deserialize_create_email_in_use(self):
other_user = UserFactory.create()
data = {
'name': "Robert'); DROP TABLE Students;--'",
'email': other_user.email,
'password': 'Sup3RSecre7paSSw0rD',
'password2': 'Sup3RSecre7paSSw0rD',
}
serializer = serializers.RegistrationSerializer(data=data)
self.assertFalse(serializer.is_valid())
self.assertEqual(
serializer._errors['email'],
['That email address has already been registered.'])
def test_deserialize_update_email_in_use(self):
user = UserFactory.create()
other_user = UserFactory.create()
data = {
'name': "Robert'); DROP TABLE Students;--'",
'email': other_user.email,
'password': 'Sup3RSecre7paSSw0rD',
'password2': 'Sup3RSecre7paSSw0rD',
}
serializer = serializers.RegistrationSerializer(user, data=data)
self.assertFalse(serializer.is_valid())
self.assertEqual(
serializer._errors['email'],
['That email address has already been registered.'])
class TestUserSerializerCreate(TestCase):
def test_deserialize_no_email(self):
data = {
'name': "Robert'); DROP TABLE Students;--'",
'email': None,
'password': 'Sup3RSecre7paSSw0rD',
'password2': 'Sup3RSecre7paSSw0rD',
}
serializer = serializers.UserSerializerCreate(data=data)
self.assertFalse(serializer.is_valid())
self.assertIn('email', serializer.errors)
class SerializerPasswordsTest(TestCase):
too_simple = (
'Password must have at least ' +
'one upper case letter, one lower case letter, and one number.'
)
too_fancy = (
'Password only accepts the following symbols ' + string.punctuation
)
serializers = (
(serializers.PasswordResetSerializer, 'new_password'),
(serializers.PasswordChangeSerializer, 'new_password'),
(serializers.RegistrationSerializer, 'password'),
)
def assert_validation_error(self, serializer_class, field, data, expected):
serializer = serializer_class(data=data)
serializer.is_valid() # Perform validation
on_missing = '{} not in {}.errors'.format(field, serializer)
self.assertTrue(field in serializer.errors, on_missing)
error = serializer.errors[field]
on_wrong = 'Expected "{}", got "{}" on {}'.format(
expected,
error,
serializer,
)
self.assertEqual(error, [expected], on_wrong)
def assert_no_validation_error(self, serializer_class, field, data):
serializer = serializer_class(data=data)
serializer.is_valid() # Perform validation
on_present = '{} unexpectedly in {}.errors'.format(field, serializer)
self.assertFalse(field in serializer.errors, on_present)
def test_missing(self):
data = {}
for serializer_class, field in self.serializers:
msg = WritableField.default_error_messages['required']
self.assert_validation_error(serializer_class, field, data, msg)
def test_too_short(self):
for serializer_class, field in self.serializers:
data = {field: 'Aa1'}
msg = 'Ensure this value has at least 8 characters (it has 3).'
self.assert_validation_error(serializer_class, field, data, msg)
def test_no_upper(self):
for serializer_class, field in self.serializers:
data = {field: 'aaaa1111'}
msg = self.too_simple
self.assert_validation_error(serializer_class, field, data, msg)
def test_no_lower(self):
for serializer_class, field in self.serializers:
data = {field: 'AAAA1111'}
msg = self.too_simple
self.assert_validation_error(serializer_class, field, data, msg)
def test_no_number(self):
for serializer_class, field in self.serializers:
data = {field: 'AAAAaaaa'}
msg = self.too_simple
self.assert_validation_error(serializer_class, field, data, msg)
def test_symbols(self):
"""Ensure all acceptable symbols are acceptable."""
for serializer_class, field in self.serializers:
for symbol in string.punctuation:
data = {field: 'AAaa111' + symbol}
self.assert_no_validation_error(serializer_class, field, data)
def test_non_ascii(self):
for serializer_class, field in self.serializers:
data = {field: u'AA11aa££'} # £ is not an ASCII character.
msg = self.too_fancy
self.assert_validation_error(serializer_class, field, data, msg)
def test_ok(self):
for serializer_class, field in self.serializers:
data = {field: 'AAAaaa11'}
self.assert_no_validation_error(serializer_class, field, data)
class ResendConfirmationEmailSerializerTest(TestCase):
def test_serialize(self):
"""Assert user can request a new email confirmation."""
user = UserFactory.create()
data = {'email': user.email}
serializer = serializers.ResendConfirmationEmailSerializer(data=data)
self.assertTrue(serializer.is_valid(), msg=serializer.errors)
def test_user_does_not_exist(self):
"""Assert user should exist before sending email confirmation."""
data = {'email': 'a-non-existing@user.com'}
serializer = serializers.ResendConfirmationEmailSerializer(data=data)
self.assertFalse(serializer.is_valid())
def test_user_already_validated(self):
"""Assert confirmation email is not send if user was already verified."""
user = UserFactory.create(email_verification_required=False)
data = {'email': user.email}
serializer = serializers.ResendConfirmationEmailSerializer(data=data)
self.assertFalse(serializer.is_valid())