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test_serializers.py
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from datetime import date
from unittest.mock import MagicMock, Mock, call
from uuid import uuid4
import pytest
from django.core.exceptions import ObjectDoesNotExist
from rest_framework import status
from rest_framework.exceptions import ValidationError
from rest_framework.reverse import reverse
from rest_framework.serializers import IntegerField
from datahub.core.constants import Country
from datahub.core.serializers import NestedRelatedField, RelaxedDateField, RelaxedURLField
from datahub.core.test.support.factories import MultiAddressModelFactory
from datahub.core.test_utils import APITestMixin
class TestNestedRelatedField:
"""Tests related to NestedRelatedField."""
def test_to_internal_dict(self):
"""Tests that model instances are returned for a dict with an 'id' key."""
model = MagicMock()
field = NestedRelatedField(model)
uuid_ = uuid4()
assert field.to_internal_value({'id': str(uuid_)})
assert model.objects.all().get.call_args_list == [call(pk=uuid_)]
def test_to_internal_str(self):
"""Tests that model instances are returned for a string."""
model = MagicMock()
field = NestedRelatedField(model)
uuid_ = uuid4()
assert field.to_internal_value(str(uuid_))
assert model.objects.all().get.call_args_list == [call(pk=uuid_)]
def test_to_internal_uuid(self):
"""Tests that model instances are returned for a UUID."""
model = Mock()
field = NestedRelatedField(model)
uuid_ = uuid4()
assert field.to_internal_value(uuid_)
assert model.objects.all().get.call_args_list == [call(pk=uuid_)]
def test_to_internal_invalid_id(self):
"""Tests that a dict with an invalid UUID raises an exception."""
model = MagicMock()
field = NestedRelatedField(model)
with pytest.raises(ValidationError):
field.to_internal_value({'id': 'xxx'})
def test_to_internal_no_id(self):
"""Tests that a dict without an id raises an exception."""
model = MagicMock()
field = NestedRelatedField(model)
with pytest.raises(ValidationError):
field.to_internal_value({})
def test_to_internal_wrong_type(self):
"""Tests that a non-dict value raises an exception."""
model = MagicMock()
field = NestedRelatedField(model)
with pytest.raises(ValidationError):
field.to_internal_value([])
def test_to_internal_non_existent_id(self):
"""Tests an id of a non-existent object raises an exception."""
model = MagicMock()
model.objects().all.get.return_value = ObjectDoesNotExist
field = NestedRelatedField(model)
with pytest.raises(ValidationError):
field.to_internal_value({})
def test_to_representation(self):
"""Tests that a model instance is converted to a dict."""
model = Mock()
uuid_ = uuid4()
instance = Mock(id=uuid_, pk=uuid_)
instance.name = 'instance name'
field = NestedRelatedField(model)
assert field.to_representation(instance) == {
'id': str(instance.id),
'name': instance.name,
}
def test_to_representation_extra_fields(self):
"""Tests that a model instance is converted to a dict with extra fields."""
model = Mock()
uuid_ = uuid4()
uuid2_ = uuid4()
instance = Mock(id=uuid_, pk=uuid_, test_field='12as', test2=uuid2_, test3='10')
field = NestedRelatedField(
model,
extra_fields=(
'test_field',
'test2',
('test3', IntegerField()),
),
)
assert field.to_representation(instance) == {
'id': str(instance.id),
'test_field': instance.test_field,
'test2': uuid2_,
'test3': 10,
}
def test_to_representation_extra_fields_with_nested_related(self):
"""Tests that if the field has a nested related field,
`to_representation` returns '<nested-field>': {...} using the nested mapping.
"""
nested_pk = uuid4()
nested_instance = Mock(id=nested_pk, pk=nested_pk, field1='field1_value')
nested_field = NestedRelatedField(
Mock(),
extra_fields=('field1',),
)
instance_pk = uuid4()
instance = Mock(id=instance_pk, pk=instance_pk, nested_instance=nested_instance)
field = NestedRelatedField(
Mock(),
extra_fields=(('nested_instance', nested_field),),
)
assert field.to_representation(instance) == {
'id': str(instance.id),
'nested_instance': {
'id': str(nested_pk),
'field1': 'field1_value',
},
}
def test_to_representation_extra_fields_with_nested_related_none(self):
"""Tests that if the field has a nested related field and its value is
None, `to_representation` returns '<nested-field>': None.
"""
nested_field = NestedRelatedField(
Mock(),
extra_fields=('field1',),
)
instance_pk = uuid4()
instance = Mock(id=instance_pk, pk=instance_pk, nested_instance=None)
field = NestedRelatedField(
Mock(),
extra_fields=(('nested_instance', nested_field),),
)
assert field.to_representation(instance) == {
'id': str(instance.id),
'nested_instance': None,
}
def test_to_choices(self):
"""Tests that model choices are returned."""
model = Mock()
uuid_ = uuid4()
instance = Mock(id=uuid_, pk=uuid_)
instance.name = 'instance name'
model.objects.all.return_value = [instance] * 2
field = NestedRelatedField(model)
assert list(field.get_choices().items()) == [(str(instance.id), str(instance))] * 2
def test_to_choices_limit(self):
"""Tests that model choices are limited and returned."""
model = Mock()
uuid_ = uuid4()
instance = Mock(id=uuid_, pk=uuid_)
instance.name = 'instance name'
model.objects.all.return_value = [instance] * 2
field = NestedRelatedField(model)
assert list(field.get_choices(1).items()) == [
(
str(instance.id),
str(instance),
),
]
@pytest.mark.parametrize(
('input_website', 'expected_website'),
[
('www.google.com', 'http://www.google.com'),
('http://www.google.com', 'http://www.google.com'),
('https://www.google.com', 'https://www.google.com'),
('', ''),
],
)
def test_url_field_input(self, input_website, expected_website):
"""Tests that RelaxedURLField prepends http:// when one is not provided."""
assert RelaxedURLField().run_validation(input_website) == expected_website
@pytest.mark.parametrize(
('input_website', 'expected_website'),
[
('www.google.com', 'http://www.google.com'),
('http://www.google.com', 'http://www.google.com'),
('https://www.google.com', 'https://www.google.com'),
('', ''),
],
)
def test_url_field_output(self, input_website, expected_website):
"""Tests that RelaxedURLField prepends http:// when one is not stored."""
assert RelaxedURLField().to_representation(input_website) == expected_website
class TestRelaxedDateField:
"""Tests for RelaxedDateField."""
@pytest.mark.parametrize(
('input_value', 'expected_date'),
[
('2018-01-10', date(2018, 1, 10)),
('2018-1-10', date(2018, 1, 10)),
('2018-10-1', date(2018, 10, 1)),
('2018/01/10', date(2018, 1, 10)),
('2018/1/10', date(2018, 1, 10)),
('2018/10/1', date(2018, 10, 1)),
],
)
def test_parses_dates(self, input_value, expected_date):
"""Test that various input values are parsed and interpreted as the correct date."""
field = RelaxedDateField()
assert field.to_internal_value(input_value) == expected_date
@pytest.mark.urls('datahub.core.test.support.urls')
class TestAddressSerializer(APITestMixin):
"""Tests for the AddressSerializer."""
@pytest.mark.parametrize(
('post_data', 'expected_response'),
[
# only primary address
(
{
'primary_address': {
'line_1': '2',
'line_2': 'Main Road',
'town': 'London',
'county': 'Greenwich',
'postcode': 'SE10 9NN',
'country': {'id': Country.united_kingdom.value.id},
},
},
{
'primary_address': {
'area': None,
'line_1': '2',
'line_2': 'Main Road',
'town': 'London',
'county': 'Greenwich',
'postcode': 'SE10 9NN',
'country': {
'id': '80756b9a-5d95-e211-a939-e4115bead28a',
'name': 'United Kingdom',
},
},
'secondary_address': None,
},
),
# minimal primary address
(
{
'primary_address': {
'line_1': '2',
'town': 'London',
'country': {'id': Country.united_kingdom.value.id},
},
},
{
'primary_address': {
'area': None,
'line_1': '2',
'line_2': '',
'town': 'London',
'postcode': '',
'county': '',
'country': {
'id': '80756b9a-5d95-e211-a939-e4115bead28a',
'name': 'United Kingdom',
},
},
'secondary_address': None,
},
),
# primary and secondary address
(
{
'primary_address': {
'area': None,
'line_1': '2',
'line_2': 'Main Road',
'town': 'London',
'county': 'Greenwich',
'postcode': 'SE10 9NN',
'country': {'id': Country.united_kingdom.value.id},
},
'secondary_address': {
'line_1': '1',
'line_2': 'Hello st.',
'town': 'Muckamore',
'county': 'Antrim',
'postcode': 'BT41 4QE',
'country': {'id': Country.ireland.value.id},
},
},
{
'primary_address': {
'area': None,
'line_1': '2',
'line_2': 'Main Road',
'town': 'London',
'county': 'Greenwich',
'postcode': 'SE10 9NN',
'country': {
'id': '80756b9a-5d95-e211-a939-e4115bead28a',
'name': 'United Kingdom',
},
},
'secondary_address': {
'area': None,
'line_1': '1',
'line_2': 'Hello st.',
'town': 'Muckamore',
'county': 'Antrim',
'postcode': 'BT41 4QE',
'country': {
'id': '736a9ab2-5d95-e211-a939-e4115bead28a',
'name': 'Ireland',
},
},
},
),
# secondary address = None
(
{
'primary_address': {
'line_1': '2',
'line_2': 'Main Road',
'town': 'London',
'county': 'Greenwich',
'postcode': 'SE10 9NN',
'country': {'id': Country.united_kingdom.value.id},
},
'secondary_address': None,
},
{
'primary_address': {
'area': None,
'line_1': '2',
'line_2': 'Main Road',
'town': 'London',
'county': 'Greenwich',
'postcode': 'SE10 9NN',
'country': {
'id': '80756b9a-5d95-e211-a939-e4115bead28a',
'name': 'United Kingdom',
},
},
'secondary_address': None,
},
),
# secondary address: all fields reset
(
{
'primary_address': {
'area': None,
'line_1': '2',
'line_2': 'Main Road',
'town': 'London',
'county': 'Greenwich',
'postcode': 'SE10 9NN',
'country': {'id': Country.united_kingdom.value.id},
},
'secondary_address': {
'line_1': '',
'line_2': '',
'town': '',
'county': '',
'postcode': '',
'country': None,
},
},
{
'primary_address': {
'area': None,
'line_1': '2',
'line_2': 'Main Road',
'town': 'London',
'county': 'Greenwich',
'postcode': 'SE10 9NN',
'country': {
'id': '80756b9a-5d95-e211-a939-e4115bead28a',
'name': 'United Kingdom',
},
},
'secondary_address': None,
},
),
],
)
def test_create(self, post_data, expected_response):
"""Tests for creating a model using the address serializer."""
url = reverse('test-addresses-collection')
response = self.api_client.post(url, data=post_data)
assert response.status_code == status.HTTP_201_CREATED
assert response.json() == expected_response
@pytest.mark.parametrize(
('post_data', 'expected_errors'),
[
# primary address: required
(
{},
{
'primary_address': ['This field is required.'],
},
),
# primary address: can't be None
(
{
'primary_address': None,
},
{
'primary_address': ['This field may not be null.'],
},
),
# primary address: can't be {}
(
{
'primary_address': {},
},
{
'primary_address': {
'line_1': ['This field is required.'],
'town': ['This field is required.'],
'country': ['This field is required.'],
},
},
),
# primary address: line_1, town and country required when only one passed in
(
{
'primary_address': {
'line_1': '1',
},
},
{
'primary_address': {
'town': ['This field is required.'],
'country': ['This field is required.'],
},
},
),
# primary address: line_1, town and country required when optional field passed in
(
{
'primary_address': {
'county': 'London',
},
},
{
'primary_address': {
'line_1': ['This field is required.'],
'town': ['This field is required.'],
'country': ['This field is required.'],
},
},
),
# county can't be None
(
{
'primary_address': {
'line_1': '2',
'line_2': '',
'town': 'London',
'county': None,
'postcode': 'SE10 9NN',
'country': {'id': Country.united_kingdom.value.id},
},
},
{
'primary_address': {
'county': ['This field may not be null.'],
},
},
),
# line_1 too long
(
{
'primary_address': {
'line_1': '2' * 256,
'town': 'London',
'country': {'id': Country.united_kingdom.value.id},
},
},
{
'primary_address': {
'line_1': ['Ensure this field has no more than 255 characters.'],
},
},
),
# secondary address: line_1, town and country required when only one passed in
(
{
'primary_address': {
'line_1': '2',
'town': 'London',
'country': {'id': Country.united_kingdom.value.id},
},
'secondary_address': {
'line_1': '1',
},
},
{
'secondary_address': {
'town': ['This field is required.'],
'country': ['This field is required.'],
},
},
),
# secondary address: line_1, town and country required when optional one passed in
(
{
'primary_address': {
'line_1': '2',
'town': 'London',
'country': {'id': Country.united_kingdom.value.id},
},
'secondary_address': {
'county': 'London',
},
},
{
'secondary_address': {
'line_1': ['This field is required.'],
'town': ['This field is required.'],
'country': ['This field is required.'],
},
},
),
],
)
def test_create_validation(self, post_data, expected_errors):
"""Tests for validation errors when creating a model using an address serializer."""
url = reverse('test-addresses-collection')
response = self.api_client.post(url, data=post_data)
assert response.status_code == status.HTTP_400_BAD_REQUEST
assert response.json() == expected_errors
@pytest.mark.parametrize(
('initial_model_values', 'patch_data', 'expected_response'),
[
# primary address: update line_1
(
{
'primary_address_1': '2',
'primary_address_2': 'Main Road',
'primary_address_town': 'London',
'primary_address_county': 'Greenwich',
'primary_address_postcode': 'SE10 9NN',
'primary_address_area': None,
'primary_address_area_id': None,
'primary_address_country_id': Country.united_kingdom.value.id,
'secondary_address_1': '',
'secondary_address_2': '',
'secondary_address_town': '',
'secondary_address_county': '',
'secondary_address_postcode': '',
'secondary_address_area': None,
'secondary_address_country_id': None,
},
{
'primary_address': {
'line_1': '3',
},
},
{
'primary_address': {
'line_1': '3',
'line_2': 'Main Road',
'town': 'London',
'county': 'Greenwich',
'postcode': 'SE10 9NN',
'area': None,
'country': {
'id': '80756b9a-5d95-e211-a939-e4115bead28a',
'name': 'United Kingdom',
},
},
'secondary_address': None,
},
),
# primary address: reset non-required fields
(
{
'primary_address_1': '2',
'primary_address_2': 'Main Road',
'primary_address_town': 'London',
'primary_address_county': 'Greenwich',
'primary_address_postcode': 'SE10 9NN',
'primary_address_area_id': None,
'primary_address_country_id': Country.united_kingdom.value.id,
'secondary_address_1': '',
'secondary_address_2': '',
'secondary_address_town': '',
'secondary_address_county': '',
'secondary_address_postcode': '',
'secondary_address_area_id': None,
'secondary_address_country_id': None,
},
{
'primary_address': {
'line_2': '',
'county': '',
'postcode': '',
},
},
{
'primary_address': {
'line_1': '2',
'line_2': '',
'town': 'London',
'county': '',
'postcode': '',
'area': None,
'country': {
'id': '80756b9a-5d95-e211-a939-e4115bead28a',
'name': 'United Kingdom',
},
},
'secondary_address': None,
},
),
# secondary address: update line_1
(
{
'primary_address_1': '2',
'primary_address_2': 'Main Road',
'primary_address_town': 'London',
'primary_address_county': 'Greenwich',
'primary_address_postcode': 'SE10 9NN',
'primary_address_area_id': None,
'primary_address_country_id': Country.united_kingdom.value.id,
'secondary_address_1': '1',
'secondary_address_2': 'Hello st.',
'secondary_address_town': 'Muckamore',
'secondary_address_county': 'Antrim',
'secondary_address_postcode': 'BT41 4QE',
'secondary_address_area_id': None,
'secondary_address_country_id': Country.ireland.value.id,
},
{
'secondary_address': {
'line_1': '4',
},
},
{
'primary_address': {
'line_1': '2',
'line_2': 'Main Road',
'town': 'London',
'county': 'Greenwich',
'postcode': 'SE10 9NN',
'area': None,
'country': {
'id': '80756b9a-5d95-e211-a939-e4115bead28a',
'name': 'United Kingdom',
},
},
'secondary_address': {
'line_1': '4',
'line_2': 'Hello st.',
'town': 'Muckamore',
'county': 'Antrim',
'postcode': 'BT41 4QE',
'area': None,
'country': {
'id': '736a9ab2-5d95-e211-a939-e4115bead28a',
'name': 'Ireland',
},
},
},
),
# secondary address: set to None
(
{
'primary_address_1': '2',
'primary_address_2': 'Main Road',
'primary_address_town': 'London',
'primary_address_county': 'Greenwich',
'primary_address_postcode': 'SE10 9NN',
'primary_address_country_id': Country.united_kingdom.value.id,
'primary_address_area_id': None,
'secondary_address_1': '1',
'secondary_address_2': 'Hello st.',
'secondary_address_town': 'Muckamore',
'secondary_address_county': 'Antrim',
'secondary_address_postcode': 'BT41 4QE',
'secondary_address_area_id': None,
'secondary_address_country_id': Country.ireland.value.id,
},
{
'secondary_address': None,
},
{
'primary_address': {
'line_1': '2',
'line_2': 'Main Road',
'town': 'London',
'county': 'Greenwich',
'postcode': 'SE10 9NN',
'area': None,
'country': {
'id': '80756b9a-5d95-e211-a939-e4115bead28a',
'name': 'United Kingdom',
},
},
'secondary_address': None,
},
),
# secondary address: reset non-required fields
(
{
'primary_address_1': '2',
'primary_address_2': 'Main Road',
'primary_address_town': 'London',
'primary_address_county': 'Greenwich',
'primary_address_postcode': 'SE10 9NN',
'primary_address_area_id': None,
'primary_address_country_id': Country.united_kingdom.value.id,
'secondary_address_1': '1',
'secondary_address_2': 'Hello st.',
'secondary_address_town': 'Muckamore',
'secondary_address_county': 'Antrim',
'secondary_address_postcode': 'BT41 4QE',
'secondary_address_area_id': None,
'secondary_address_country_id': Country.ireland.value.id,
},
{
'secondary_address': {
'line_2': '',
'county': '',
'postcode': '',
},
},
{
'primary_address': {
'line_1': '2',
'line_2': 'Main Road',
'town': 'London',
'county': 'Greenwich',
'postcode': 'SE10 9NN',
'area': None,
'country': {
'id': '80756b9a-5d95-e211-a939-e4115bead28a',
'name': 'United Kingdom',
},
},
'secondary_address': {
'line_1': '1',
'line_2': '',
'town': 'Muckamore',
'county': '',
'postcode': '',
'area': None,
'country': {
'id': '736a9ab2-5d95-e211-a939-e4115bead28a',
'name': 'Ireland',
},
},
},
),
# secondary address: reset all fields
(
{
'primary_address_1': '2',
'primary_address_2': 'Main Road',
'primary_address_town': 'London',
'primary_address_county': 'Greenwich',
'primary_address_postcode': 'SE10 9NN',
'primary_address_area_id': None,
'primary_address_country_id': Country.united_kingdom.value.id,
'secondary_address_1': '1',
'secondary_address_2': 'Hello st.',
'secondary_address_town': 'Muckamore',
'secondary_address_county': 'Antrim',
'secondary_address_postcode': 'BT41 4QE',
'secondary_address_area_id': None,
'secondary_address_country_id': Country.ireland.value.id,
},
{
'secondary_address': {
'line_1': '',
'line_2': '',
'town': '',
'county': '',
'postcode': '',
'country': None,
},
},
{
'primary_address': {
'line_1': '2',
'line_2': 'Main Road',
'town': 'London',
'county': 'Greenwich',
'postcode': 'SE10 9NN',
'area': None,
'country': {
'id': '80756b9a-5d95-e211-a939-e4115bead28a',
'name': 'United Kingdom',
},
},
'secondary_address': None,
},
),
],
)
def test_update(self, initial_model_values, patch_data, expected_response):
"""Tests updating a model using an address serializer."""
instance = MultiAddressModelFactory(**initial_model_values)
url = reverse('test-addresses-item', kwargs={'pk': instance.pk})
response = self.api_client.patch(url, data=patch_data)
assert response.status_code == status.HTTP_200_OK
assert response.json() == expected_response
@pytest.mark.parametrize(
('initial_model_values', 'patch_data', 'expected_errors'),
[
# primary address: can't be None
(
{
'primary_address_1': '2',
'primary_address_2': 'Main Road',
'primary_address_town': 'London',
'primary_address_county': 'Greenwich',
'primary_address_postcode': 'SE10 9NN',
'primary_address_country_id': Country.united_kingdom.value.id,
'secondary_address_1': '',
'secondary_address_2': '',
'secondary_address_town': '',
'secondary_address_county': '',
'secondary_address_postcode': '',
'secondary_address_country_id': None,
},
{
'primary_address': None,
},
{
'primary_address': ['This field may not be null.'],
},
),
# primary address: line_1 required
(
{
'primary_address_1': '2',
'primary_address_2': 'Main Road',
'primary_address_town': 'London',
'primary_address_county': 'Greenwich',
'primary_address_postcode': 'SE10 9NN',
'primary_address_country_id': Country.united_kingdom.value.id,
'secondary_address_1': '',
'secondary_address_2': '',
'secondary_address_town': '',
'secondary_address_county': '',
'secondary_address_postcode': '',
'secondary_address_country_id': None,
},
{
'primary_address': {
'line_1': '',
'line_2': '',
'line_county': '',
'line_postcode': '',
},
},
{
'primary_address': {
'line_1': ['This field is required.'],
},
},
),
# county can't be None
(
{
'primary_address_1': '2',
'primary_address_2': 'Main Road',
'primary_address_town': 'London',
'primary_address_county': 'Greenwich',
'primary_address_postcode': 'SE10 9NN',
'primary_address_country_id': Country.united_kingdom.value.id,
'secondary_address_1': '',
'secondary_address_2': '',
'secondary_address_town': '',
'secondary_address_county': '',
'secondary_address_postcode': '',
'secondary_address_country_id': None,
},
{
'primary_address': {
'county': None,
},
},
{
'primary_address': {
'county': ['This field may not be null.'],
},
},
),
# line_1 too long
(
{
'primary_address_1': '2',
'primary_address_2': 'Main Road',
'primary_address_town': 'London',
'primary_address_county': 'Greenwich',
'primary_address_postcode': 'SE10 9NN',
'primary_address_country_id': Country.united_kingdom.value.id,
'secondary_address_1': '',
'secondary_address_2': '',
'secondary_address_town': '',
'secondary_address_county': '',
'secondary_address_postcode': '',
'secondary_address_country_id': None,
},
{
'primary_address': {
'line_1': 'a' * 256,
},
},
{
'primary_address': {
'line_1': ['Ensure this field has no more than 255 characters.'],
},
},
),
# secondary address: line_1, town and country required when only one passed in
(
{
'primary_address_1': '2',
'primary_address_2': 'Main Road',
'primary_address_town': 'London',
'primary_address_county': 'Greenwich',
'primary_address_postcode': 'SE10 9NN',
'primary_address_country_id': Country.united_kingdom.value.id,
'secondary_address_1': '',
'secondary_address_2': '',
'secondary_address_town': '',
'secondary_address_county': '',
'secondary_address_postcode': '',
'secondary_address_country_id': None,
},
{
'secondary_address': {
'line_1': '1',
},
},
{
'secondary_address': {
'town': ['This field is required.'],
'country': ['This field is required.'],
},
},
),
# secondary address: line_1, town and country required when optional one passed in
(
{
'primary_address_1': '2',
'primary_address_2': 'Main Road',
'primary_address_town': 'London',
'primary_address_county': 'Greenwich',
'primary_address_postcode': 'SE10 9NN',
'primary_address_country_id': Country.united_kingdom.value.id,
'secondary_address_1': '',
'secondary_address_2': '',
'secondary_address_town': '',
'secondary_address_county': '',
'secondary_address_postcode': '',
'secondary_address_country_id': None,
},
{
'secondary_address': {
'county': 'Wimbledon',
},
},
{
'secondary_address': {
'line_1': ['This field is required.'],
'town': ['This field is required.'],
'country': ['This field is required.'],
},
},
),
# secondary address: line_1, town and country required when blank values passed in
(
{
'primary_address_1': '2',
'primary_address_2': 'Main Road',