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[#2433] Tests for persons_merged_receiver
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from datetime import UTC, datetime, timedelta | ||
from unittest import mock | ||
import weakref | ||
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from django.test import RequestFactory, TestCase | ||
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from emails.models import EmailTemplate, ScheduledEmail | ||
from emails.signals import persons_merged_signal | ||
from workshops.models import Person | ||
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class TestPersonsMergedReceived(TestCase): | ||
def test_signal_received(self) -> None: | ||
# Arrange | ||
person = Person.objects.create() | ||
request = RequestFactory().get("/") | ||
mock_action = mock.MagicMock() | ||
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# This hack replaces weakref to "emails.actions.persons_merged_receiver" with | ||
# a mock. Otherwise mocking doesn't work, as after dereferencing the weakref | ||
# the actual function is called. | ||
persons_merged_signal.receivers[0] = ( | ||
persons_merged_signal.receivers[0][0], | ||
weakref.ref(mock_action), | ||
) | ||
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# Act | ||
persons_merged_signal.send( | ||
sender=person, | ||
request=request, | ||
person_a_id=person.id, | ||
person_b_id=person.id, | ||
selected_person_id=person.id, | ||
) | ||
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# Assert | ||
mock_action.assert_called_once_with( | ||
signal=mock.ANY, | ||
sender=person, | ||
request=request, | ||
person_a_id=person.id, | ||
person_b_id=person.id, | ||
selected_person_id=person.id, | ||
) | ||
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def test_action_triggered(self) -> None: | ||
# Arrange | ||
person = Person.objects.create() | ||
template = EmailTemplate.objects.create( | ||
name="Test Email Template", | ||
signal="persons_merged", | ||
from_header="[email protected]", | ||
cc_header=["[email protected]"], | ||
bcc_header=[], | ||
subject="Greetings {{ name }}", | ||
body="Hello, {{ name }}! Nice to meet **you**.", | ||
) | ||
request = RequestFactory().get("/") | ||
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# Act | ||
with mock.patch("emails.actions.messages") as mock_messages: | ||
persons_merged_signal.send( | ||
sender=person, | ||
request=request, | ||
person_a_id=person.id, | ||
person_b_id=person.id, | ||
selected_person_id=person.id, | ||
) | ||
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# Assert | ||
scheduled_email = ScheduledEmail.objects.get(template=template) | ||
mock_messages.info.assert_called_once_with( | ||
request, f"Action was scheduled: {scheduled_email.get_absolute_url()}." | ||
) | ||
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@mock.patch("emails.actions.messages") | ||
@mock.patch("emails.actions.timezone") | ||
def test_email_scheduled( | ||
self, mock_timezone: mock.MagicMock, mock_messages: mock.MagicMock | ||
) -> None: | ||
# Arrange | ||
NOW = datetime(2023, 6, 1, 10, 0, 0, tzinfo=UTC) | ||
mock_timezone.now.return_value = NOW | ||
person = Person.objects.create() | ||
request = RequestFactory().get("/") | ||
signal = "persons_merged" | ||
context = {"person": person} | ||
scheduled_at = NOW + timedelta(hours=1) | ||
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# Act | ||
with mock.patch( | ||
"emails.actions.EmailController.schedule_email" | ||
) as mock_schedule_email: | ||
persons_merged_signal.send( | ||
sender=person, | ||
request=request, | ||
person_a_id=person.id, | ||
person_b_id=person.id, | ||
selected_person_id=person.id, | ||
) | ||
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# Assert | ||
mock_schedule_email.assert_called_once_with( | ||
signal=signal, | ||
context=context, | ||
scheduled_at=scheduled_at, | ||
to_header=[person.email], | ||
) | ||
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@mock.patch("emails.actions.messages") | ||
def test_missing_template(self, mock_messages: mock.MagicMock) -> None: | ||
# Arrange | ||
person = Person.objects.create() | ||
request = RequestFactory().get("/") | ||
signal = "persons_merged" | ||
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# Act | ||
persons_merged_signal.send( | ||
sender=person, | ||
request=request, | ||
person_a_id=person.id, | ||
person_b_id=person.id, | ||
selected_person_id=person.id, | ||
) | ||
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# Assert | ||
mock_messages.warning.assert_called_once_with( | ||
request, | ||
f"Action was not scheduled due to missing template for signal {signal}.", | ||
) |