✨(dimail) management command to fetch domain status

Add a management command for a future cron to
to check and update regularly domains status
from dimail.

src/backend/mailbox_manager/tests/commands/test_fetch_domain_status.py

@@ -0,0 +1,69 @@
+"""Test the `fetch_domain_status_from_dimail` management command"""
+
+import json
+import re
+from io import StringIO
+
+from django.core.management import call_command
+
+import pytest
+import responses
+
+from mailbox_manager import enums, factories
+from mailbox_manager.tests.fixtures.dimail import CHECK_DOMAIN_BROKEN, CHECK_DOMAIN_OK
+
+pytestmark = pytest.mark.django_db
+
+
+@responses.activate
+def test_fetch_domain_status():
+    """Test fetch domain status from dimail"""
+    domain_enabled1 = factories.MailDomainEnabledFactory()
+    domain_enabled2 = factories.MailDomainEnabledFactory()
+    domain_disabled = factories.MailDomainFactory(
+        status=enums.MailDomainStatusChoices.DISABLED
+    )
+    domain_failed = factories.MailDomainFactory(
+        status=enums.MailDomainStatusChoices.FAILED
+    )
+
+    body_content_ok1 = CHECK_DOMAIN_OK.copy()
+    body_content_ok1["name"] = domain_enabled1.name
+
+    body_content_broken = CHECK_DOMAIN_BROKEN.copy()
+    body_content_broken["name"] = domain_enabled2.name
+
+    body_content_ok2 = CHECK_DOMAIN_OK.copy()
+    body_content_ok2["name"] = domain_disabled.name
+
+    body_content_ok3 = CHECK_DOMAIN_OK.copy()
+    body_content_ok3["name"] = domain_failed.name
+    for domain, body_content in [
+        (domain_enabled1, body_content_ok1),
+        (domain_enabled2, body_content_broken),
+        (domain_failed, body_content_ok3),
+    ]:
+        # mock dimail API
+        responses.add(
+            responses.GET,
+            re.compile(rf".*/domains/{domain.name}/check/"),
+            body=json.dumps(body_content),
+            status=200,
+            content_type="application/json",
+        )
+    output = StringIO()
+    call_command("fetch_domain_status", verbosity=2, stdout=output)
+    domain_enabled1.refresh_from_db()
+    domain_enabled2.refresh_from_db()
+    domain_disabled.refresh_from_db()
+    domain_failed.refresh_from_db()
+    # nothing change for the first domain enable
+    assert domain_enabled1.status == enums.MailDomainStatusChoices.ENABLED
+    # status of the second activated domain has changed to failure
+    assert domain_enabled2.status == enums.MailDomainStatusChoices.FAILED
+    # status of the failed domain has changed to enabled
+    assert domain_failed.status == enums.MailDomainStatusChoices.ENABLED
+    # disabled domain was excluded
+    assert domain_disabled.status == enums.MailDomainStatusChoices.DISABLED
+    assert output.getvalue().count("CHECKED") == 1
+    assert output.getvalue().count("UPDATED") == 2