Merge and email template revision

src/registrar/admin.py

@@ -758,6 +758,14 @@ class DomainInformationAdmin(ListHeaderAdmin):
     # to activate the edit/delete/view buttons
     filter_horizontal = ("other_contacts",)
 
+    autocomplete_fields = [
+        "creator",
+        "domain_application",
+        "authorizing_official",
+        "domain",
+        "submitter",
+    ]
+
     # Table ordering
     ordering = ["domain__name"]
 
@@ -1097,6 +1105,14 @@ class DomainInformationInline(admin.StackedInline):
     # to activate the edit/delete/view buttons
     filter_horizontal = ("other_contacts",)
 
+    autocomplete_fields = [
+        "creator",
+        "domain_application",
+        "authorizing_official",
+        "domain",
+        "submitter",
+    ]
+
     def formfield_for_manytomany(self, db_field, request, **kwargs):
         """customize the behavior of formfields with manytomany relationships.  the customized
         behavior includes sorting of objects in lists as well as customizing helper text"""
@@ -1176,7 +1192,14 @@ class DomainAdmin(ListHeaderAdmin):
         if object_id is not None:
             domain = Domain.objects.get(pk=object_id)
             years_to_extend_by = self._get_calculated_years_for_exp_date(domain)
+
+            try:
                 curr_exp_date = domain.registry_expiration_date
+            except KeyError:
+                # No expiration date was found. Return none.
+                extra_context["extended_expiration_date"] = None
+                return super().changeform_view(request, object_id, form_url, extra_context)
+
             if curr_exp_date < date.today():
                 extra_context["extended_expiration_date"] = date.today() + relativedelta(years=years_to_extend_by)
             else:

src/registrar/config/settings.py

@@ -286,6 +286,7 @@ AWS_MAX_ATTEMPTS = 3
 BOTO_CONFIG = Config(retries={"mode": AWS_RETRY_MODE, "max_attempts": AWS_MAX_ATTEMPTS})
 
 # email address to use for various automated correspondence
+# also used as a default to and bcc email
 DEFAULT_FROM_EMAIL = "help@get.gov <help@get.gov>"
 
 # connect to an (external) SMTP server for sending email

src/registrar/forms/application_wizard.py

@@ -284,6 +284,7 @@ class OrganizationContactForm(RegistrarForm):
                 message="Enter a zip code in the form of 12345 or 12345-6789.",
             )
         ],
+        error_messages={"required": ("Enter a zip code in the form of 12345 or 12345-6789.")},
     )
     urbanization = forms.CharField(
         required=False,

src/registrar/models/domain.py

@@ -13,6 +13,7 @@ from typing import Any
 from registrar.models.host import Host
 from registrar.models.host_ip import HostIP
 from registrar.utility.enums import DefaultEmail
+from registrar.utility import errors
 
 from registrar.utility.errors import (
     ActionNotAllowed,
@@ -192,9 +193,17 @@ class Domain(TimeStampedModel, DomainHelper):
 
     @classmethod
     def available(cls, domain: str) -> bool:
-        """Check if a domain is available."""
+        """Check if a domain is available.
+        This is called by the availablility api and
+        is called in the validate function on the request/domain page
+
+        throws- RegistryError or InvalidDomainError"""
         if not cls.string_could_be_domain(domain):
-            raise ValueError("Not a valid domain: %s" % str(domain))
+            logger.warning("Not a valid domain: %s" % str(domain))
+            # throw invalid domain error so that it can be caught in
+            # validate_and_handle_errors in domain_helper
+            raise errors.InvalidDomainError()
+
         domain_name = domain.lower()
         req = commands.CheckDomain([domain_name])
         return registry.send(req, cleaned=True).res_data[0].avail
@@ -429,7 +438,6 @@ class Domain(TimeStampedModel, DomainHelper):
             raise NameserverError(code=nsErrorCodes.INVALID_HOST, nameserver=nameserver)
         elif cls.isSubdomain(name, nameserver) and (ip is None or ip == []):
             raise NameserverError(code=nsErrorCodes.MISSING_IP, nameserver=nameserver)
-
         elif not cls.isSubdomain(name, nameserver) and (ip is not None and ip != []):
             raise NameserverError(code=nsErrorCodes.GLUE_RECORD_NOT_ALLOWED, nameserver=nameserver, ip=ip)
         elif ip is not None and ip != []:
@@ -1780,6 +1788,10 @@ class Domain(TimeStampedModel, DomainHelper):
         for cleaned_host in cleaned_hosts:
             # Check if the cleaned_host already exists
             host_in_db, host_created = Host.objects.get_or_create(domain=self, name=cleaned_host["name"])
+            # Check if the nameserver is a subdomain of the current domain
+            # If it is NOT a subdomain, we remove the IP address
+            if not Domain.isSubdomain(self.name, cleaned_host["name"]):
+                cleaned_host["addrs"] = []
             # Get cleaned list of ips for update
             cleaned_ips = cleaned_host["addrs"]
             if not host_created:

src/registrar/models/domain_application.py

@@ -4,6 +4,7 @@ from typing import Union
 import logging
 
 from django.apps import apps
+from django.conf import settings
 from django.db import models
 from django_fsm import FSMField, transition  # type: ignore
 from django.utils import timezone
@@ -611,7 +612,9 @@ class DomainApplication(TimeStampedModel):
             logger.error(err)
             logger.error(f"Can't query an approved domain while attempting {called_from}")
 
-    def _send_status_update_email(self, new_status, email_template, email_template_subject, send_email=True):
+    def _send_status_update_email(
+        self, new_status, email_template, email_template_subject, send_email=True, bcc_address=""
+    ):
         """Send a status update email to the submitter.
 
         The email goes to the email address that the submitter gave as their
@@ -636,6 +639,7 @@ class DomainApplication(TimeStampedModel):
                 email_template_subject,
                 self.submitter.email,
                 context={"application": self},
+                bcc_address=bcc_address,
             )
             logger.info(f"The {new_status} email sent to: {self.submitter.email}")
         except EmailSendingError:
@@ -677,11 +681,17 @@ class DomainApplication(TimeStampedModel):
         # Limit email notifications to transitions from Started and Withdrawn
         limited_statuses = [self.ApplicationStatus.STARTED, self.ApplicationStatus.WITHDRAWN]
 
+        bcc_address = ""
+        if settings.IS_PRODUCTION:
+            bcc_address = settings.DEFAULT_FROM_EMAIL
+
         if self.status in limited_statuses:
             self._send_status_update_email(
                 "submission confirmation",
                 "emails/submission_confirmation.txt",
                 "emails/submission_confirmation_subject.txt",
+                True,
+                bcc_address,
             )
 
     @transition(

src/registrar/models/utility/domain_helper.py

@@ -33,6 +33,7 @@ class DomainHelper:
         # Split into pieces for the linter
         domain = cls._validate_domain_string(domain, blank_ok)
 
+        if domain != "":
             try:
                 if not check_domain_available(domain):
                     raise errors.DomainUnavailableError()

src/registrar/templates/emails/status_change_rejected.txt

@@ -9,8 +9,7 @@ STATUS: Rejected
 
 ----------------------------------------------------------------
 {% if application.rejection_reason != 'other' %}
-REJECTION REASON{% endif %}
+REJECTION REASON{% endif %}{% if application.rejection_reason == 'domain_purpose' %}
-{% if application.rejection_reason == 'domain_purpose' %}
 Your domain request was rejected because the purpose you provided did not meet our 
 requirements. You didn’t provide enough information about how you intend to use the 
 domain. 
@@ -19,8 +18,7 @@ Learn more about:
 - Eligibility for a .gov domain <https://get.gov/domains/eligibility>
 - What you can and can’t do with .gov domains <https://get.gov/domains/requirements/>
 
-If you have questions or comments, reply to this email.
+If you have questions or comments, reply to this email.{% elif application.rejection_reason == 'requestor' %}
-{% elif application.rejection_reason == 'requestor' %}
 Your domain request was rejected because we don’t believe you’re eligible to request a 
 .gov domain on behalf of {{ application.organization_name }}. You must be a government employee, or be 
 working on behalf of a government organization, to request a .gov domain.
@@ -28,8 +26,7 @@ working on behalf of a government organization, to request a .gov domain.
 
 DEMONSTRATE ELIGIBILITY
 If you can provide more information that demonstrates your eligibility, or you want to 
-discuss further, reply to this email.
+discuss further, reply to this email.{% elif application.rejection_reason == 'second_domain_reasoning' %}
-{% elif application.rejection_reason == 'second_domain_reasoning' %}
 Your domain request was rejected because {{ application.organization_name }} has a .gov domain. Our 
 practice is to approve one domain per online service per government organization. We 
 evaluate additional requests on a case-by-case basis. You did not provide sufficient 
@@ -38,11 +35,9 @@ justification for an additional domain.
 Read more about our practice of approving one domain per online service 
 <https://get.gov/domains/before/#one-domain-per-service>. 
 
-If you have questions or comments, reply to this email.
+If you have questions or comments, reply to this email.{% elif application.rejection_reason == 'contacts_or_organization_legitimacy' %}
-{% elif application.rejection_reason == 'contacts_or_organization_legitimacy' %}
 Your domain request was rejected because we could not verify the organizational 
-contacts you provided. If you have questions or comments, reply to this email.
+contacts you provided. If you have questions or comments, reply to this email.{% elif application.rejection_reason == 'organization_eligibility' %}
-{% elif application.rejection_reason == 'organization_eligibility' %}
 Your domain request was rejected because we determined that {{ application.organization_name }} is not 
 eligible for a .gov domain. .Gov domains are only available to official U.S.-based 
 government organizations. 
@@ -53,8 +48,7 @@ If you can provide documentation that demonstrates your eligibility, reply to th
 This can include links to (or copies of) your authorizing legislation, your founding 
 charter or bylaws, or other similar documentation. Without this, we can’t approve a 
 .gov domain for your organization. Learn more about eligibility for .gov domains 
-<https://get.gov/domains/eligibility/>. 
+<https://get.gov/domains/eligibility/>.{% elif application.rejection_reason == 'naming_requirements' %}
-{% elif application.rejection_reason == 'naming_requirements' %}
 Your domain request was rejected because it does not meet our naming requirements. 
 Domains should uniquely identify a government organization and be clear to the 
 general public. Learn more about naming requirements for your type of organization 
@@ -63,8 +57,7 @@ general public. Learn more about naming requirements for your type of organizati
 
 YOU CAN SUBMIT A NEW REQUEST
 We encourage you to request a domain that meets our requirements. If you have 
-questions or want to discuss potential domain names, reply to this email.
+questions or want to discuss potential domain names, reply to this email.{% elif application.rejection_reason == 'other' %}
-{% elif application.rejection_reason == 'other' %}
 YOU CAN SUBMIT A NEW REQUEST
 If your organization is eligible for a .gov domain and you meet our other requirements, you can submit a new request.
 

src/registrar/tests/common.py

@@ -692,6 +692,56 @@ class MockEppLib(TestCase):
         ],
         ex_date=datetime.date(2023, 5, 25),
     )
+
+    mockDataInfoDomainSubdomain = fakedEppObject(
+        "fakePw",
+        cr_date=make_aware(datetime.datetime(2023, 5, 25, 19, 45, 35)),
+        contacts=[common.DomainContact(contact="123", type=PublicContact.ContactTypeChoices.SECURITY)],
+        hosts=["fake.meoward.gov"],
+        statuses=[
+            common.Status(state="serverTransferProhibited", description="", lang="en"),
+            common.Status(state="inactive", description="", lang="en"),
+        ],
+        ex_date=datetime.date(2023, 5, 25),
+    )
+
+    mockDataInfoDomainSubdomainAndIPAddress = fakedEppObject(
+        "fakePw",
+        cr_date=make_aware(datetime.datetime(2023, 5, 25, 19, 45, 35)),
+        contacts=[common.DomainContact(contact="123", type=PublicContact.ContactTypeChoices.SECURITY)],
+        hosts=["fake.meow.gov"],
+        statuses=[
+            common.Status(state="serverTransferProhibited", description="", lang="en"),
+            common.Status(state="inactive", description="", lang="en"),
+        ],
+        ex_date=datetime.date(2023, 5, 25),
+        addrs=[common.Ip(addr="2.0.0.8")],
+    )
+
+    mockDataInfoDomainNotSubdomainNoIP = fakedEppObject(
+        "fakePw",
+        cr_date=make_aware(datetime.datetime(2023, 5, 25, 19, 45, 35)),
+        contacts=[common.DomainContact(contact="123", type=PublicContact.ContactTypeChoices.SECURITY)],
+        hosts=["fake.meow.com"],
+        statuses=[
+            common.Status(state="serverTransferProhibited", description="", lang="en"),
+            common.Status(state="inactive", description="", lang="en"),
+        ],
+        ex_date=datetime.date(2023, 5, 25),
+    )
+
+    mockDataInfoDomainSubdomainNoIP = fakedEppObject(
+        "fakePw",
+        cr_date=make_aware(datetime.datetime(2023, 5, 25, 19, 45, 35)),
+        contacts=[common.DomainContact(contact="123", type=PublicContact.ContactTypeChoices.SECURITY)],
+        hosts=["fake.subdomainwoip.gov"],
+        statuses=[
+            common.Status(state="serverTransferProhibited", description="", lang="en"),
+            common.Status(state="inactive", description="", lang="en"),
+        ],
+        ex_date=datetime.date(2023, 5, 25),
+    )
+
     mockDataExtensionDomain = fakedEppObject(
         "fakePw",
         cr_date=make_aware(datetime.datetime(2023, 5, 25, 19, 45, 35)),
@@ -829,6 +879,24 @@ class MockEppLib(TestCase):
         addrs=[common.Ip(addr="1.2.3.4"), common.Ip(addr="2.3.4.5")],
     )
 
+    mockDataInfoHosts1IP = fakedEppObject(
+        "lastPw",
+        cr_date=make_aware(datetime.datetime(2023, 8, 25, 19, 45, 35)),
+        addrs=[common.Ip(addr="2.0.0.8")],
+    )
+
+    mockDataInfoHostsNotSubdomainNoIP = fakedEppObject(
+        "lastPw",
+        cr_date=make_aware(datetime.datetime(2023, 8, 26, 19, 45, 35)),
+        addrs=[],
+    )
+
+    mockDataInfoHostsSubdomainNoIP = fakedEppObject(
+        "lastPw",
+        cr_date=make_aware(datetime.datetime(2023, 8, 27, 19, 45, 35)),
+        addrs=[],
+    )
+
     mockDataHostChange = fakedEppObject("lastPw", cr_date=make_aware(datetime.datetime(2023, 8, 25, 19, 45, 35)))
     addDsData1 = {
         "keyTag": 1234,
@@ -995,6 +1063,8 @@ class MockEppLib(TestCase):
                 return self.mockDeleteDomainCommands(_request, cleaned)
             case commands.RenewDomain:
                 return self.mockRenewDomainCommand(_request, cleaned)
+            case commands.InfoHost:
+                return self.mockInfoHostCommmands(_request, cleaned)
             case _:
                 return MagicMock(res_data=[self.mockDataInfoHosts])
 
@@ -1009,6 +1079,25 @@ class MockEppLib(TestCase):
                 code=ErrorCode.COMMAND_COMPLETED_SUCCESSFULLY,
             )
 
+    def mockInfoHostCommmands(self, _request, cleaned):
+        request_name = getattr(_request, "name", None)
+
+        # Define a dictionary to map request names to data and extension values
+        request_mappings = {
+            "fake.meow.gov": (self.mockDataInfoHosts1IP, None),  # is subdomain and has ip
+            "fake.meow.com": (self.mockDataInfoHostsNotSubdomainNoIP, None),  # not subdomain w no ip
+            "fake.subdomainwoip.gov": (self.mockDataInfoHostsSubdomainNoIP, None),  # subdomain w no ip
+        }
+
+        # Retrieve the corresponding values from the dictionary
+        default_mapping = (self.mockDataInfoHosts, None)
+        res_data, extensions = request_mappings.get(request_name, default_mapping)
+
+        return MagicMock(
+            res_data=[res_data],
+            extensions=[extensions] if extensions is not None else [],
+        )
+
     def mockUpdateHostCommands(self, _request, cleaned):
         test_ws_ip = common.Ip(addr="1.1. 1.1")
         addrs_submitted = getattr(_request, "addrs", [])
@@ -1097,6 +1186,10 @@ class MockEppLib(TestCase):
             "adomain2.gov": (self.InfoDomainWithVerisignSecurityContact, None),
             "defaulttechnical.gov": (self.InfoDomainWithDefaultTechnicalContact, None),
             "justnameserver.com": (self.justNameserver, None),
+            "meoward.gov": (self.mockDataInfoDomainSubdomain, None),
+            "meow.gov": (self.mockDataInfoDomainSubdomainAndIPAddress, None),
+            "fakemeow.gov": (self.mockDataInfoDomainNotSubdomainNoIP, None),
+            "subdomainwoip.gov": (self.mockDataInfoDomainSubdomainNoIP, None),
         }
 
         # Retrieve the corresponding values from the dictionary

src/registrar/tests/test_admin.py

@@ -1,5 +1,5 @@
 from datetime import date
-from django.test import TestCase, RequestFactory, Client
+from django.test import TestCase, RequestFactory, Client, override_settings
 from django.contrib.admin.sites import AdminSite
 from contextlib import ExitStack
 from django_webtest import WebTest  # type: ignore
@@ -609,7 +609,9 @@ class TestDomainApplicationAdmin(MockEppLib):
                 # Use the model admin's save_model method
                 self.admin.save_model(request, application, form=None, change=True)
 
-    def assert_email_is_accurate(self, expected_string, email_index, email_address):
+    def assert_email_is_accurate(
+        self, expected_string, email_index, email_address, test_that_no_bcc=False, bcc_email_address=""
+    ):
         """Helper method for the email test cases.
         email_index is the index of the email in mock_client."""
 
@@ -629,12 +631,26 @@ class TestDomainApplicationAdmin(MockEppLib):
             self.assertEqual(to_email, email_address)
             self.assertIn(expected_string, email_body)
 
+        if test_that_no_bcc:
+            _ = ""
+            with self.assertRaises(KeyError):
+                with less_console_noise():
+                    _ = kwargs["Destination"]["BccAddresses"][0]
+            self.assertEqual(_, "")
+
+        if bcc_email_address:
+            bcc_email = kwargs["Destination"]["BccAddresses"][0]
+            self.assertEqual(bcc_email, bcc_email_address)
+
     def test_save_model_sends_submitted_email(self):
         """When transitioning to submitted from started or withdrawn on a domain request,
         an email is sent out.
 
         When transitioning to submitted from dns needed or in review on a domain request,
-        no email is sent out."""
+        no email is sent out.
+
+        Also test that the default email set in settings is NOT BCCd on non-prod whenever
+        an email does go out."""
 
         with less_console_noise():
             # Ensure there is no user with this email
@@ -646,7 +662,64 @@ class TestDomainApplicationAdmin(MockEppLib):
 
             # Test Submitted Status from started
             self.transition_state_and_send_email(application, DomainApplication.ApplicationStatus.SUBMITTED)
-            self.assert_email_is_accurate("We received your .gov domain request.", 0, EMAIL)
+            self.assert_email_is_accurate("We received your .gov domain request.", 0, EMAIL, True)
+            self.assertEqual(len(self.mock_client.EMAILS_SENT), 1)
+
+            # Test Withdrawn Status
+            self.transition_state_and_send_email(application, DomainApplication.ApplicationStatus.WITHDRAWN)
+            self.assert_email_is_accurate(
+                "Your .gov domain request has been withdrawn and will not be reviewed by our team.", 1, EMAIL, True
+            )
+            self.assertEqual(len(self.mock_client.EMAILS_SENT), 2)
+
+            # Test Submitted Status Again (from withdrawn)
+            self.transition_state_and_send_email(application, DomainApplication.ApplicationStatus.SUBMITTED)
+            self.assertEqual(len(self.mock_client.EMAILS_SENT), 3)
+
+            # Move it to IN_REVIEW
+            self.transition_state_and_send_email(application, DomainApplication.ApplicationStatus.IN_REVIEW)
+            self.assertEqual(len(self.mock_client.EMAILS_SENT), 3)
+
+            # Test Submitted Status Again from in IN_REVIEW, no new email should be sent
+            self.transition_state_and_send_email(application, DomainApplication.ApplicationStatus.SUBMITTED)
+            self.assertEqual(len(self.mock_client.EMAILS_SENT), 3)
+
+            # Move it to IN_REVIEW
+            self.transition_state_and_send_email(application, DomainApplication.ApplicationStatus.IN_REVIEW)
+            self.assertEqual(len(self.mock_client.EMAILS_SENT), 3)
+
+            # Move it to ACTION_NEEDED
+            self.transition_state_and_send_email(application, DomainApplication.ApplicationStatus.ACTION_NEEDED)
+            self.assertEqual(len(self.mock_client.EMAILS_SENT), 3)
+
+            # Test Submitted Status Again from in ACTION_NEEDED, no new email should be sent
+            self.transition_state_and_send_email(application, DomainApplication.ApplicationStatus.SUBMITTED)
+            self.assertEqual(len(self.mock_client.EMAILS_SENT), 3)
+
+    @override_settings(IS_PRODUCTION=True)
+    def test_save_model_sends_submitted_email_with_bcc_on_prod(self):
+        """When transitioning to submitted from started or withdrawn on a domain request,
+        an email is sent out.
+
+        When transitioning to submitted from dns needed or in review on a domain request,
+        no email is sent out.
+
+        Also test that the default email set in settings IS BCCd on prod whenever
+        an email does go out."""
+
+        with less_console_noise():
+            # Ensure there is no user with this email
+            EMAIL = "mayor@igorville.gov"
+            User.objects.filter(email=EMAIL).delete()
+
+            BCC_EMAIL = settings.DEFAULT_FROM_EMAIL
+
+            # Create a sample application
+            application = completed_application()
+
+            # Test Submitted Status from started
+            self.transition_state_and_send_email(application, DomainApplication.ApplicationStatus.SUBMITTED)
+            self.assert_email_is_accurate("We received your .gov domain request.", 0, EMAIL, False, BCC_EMAIL)
             self.assertEqual(len(self.mock_client.EMAILS_SENT), 1)
 
             # Test Withdrawn Status
@@ -658,6 +731,7 @@ class TestDomainApplicationAdmin(MockEppLib):
 
             # Test Submitted Status Again (from withdrawn)
             self.transition_state_and_send_email(application, DomainApplication.ApplicationStatus.SUBMITTED)
+            self.assert_email_is_accurate("We received your .gov domain request.", 0, EMAIL, False, BCC_EMAIL)
             self.assertEqual(len(self.mock_client.EMAILS_SENT), 3)
 
             # Move it to IN_REVIEW

src/registrar/tests/test_environment_variables_effects.py

@@ -1,31 +0,0 @@
-from django.test import Client, TestCase, override_settings
-from django.contrib.auth import get_user_model
-
-
-class MyTestCase(TestCase):
-    def setUp(self):
-        self.client = Client()
-        username = "test_user"
-        first_name = "First"
-        last_name = "Last"
-        email = "info@example.com"
-        self.user = get_user_model().objects.create(
-            username=username, first_name=first_name, last_name=last_name, email=email
-        )
-        self.client.force_login(self.user)
-
-    def tearDown(self):
-        super().tearDown()
-        self.user.delete()
-
-    @override_settings(IS_PRODUCTION=True)
-    def test_production_environment(self):
-        """No banner on prod."""
-        home_page = self.client.get("/")
-        self.assertNotContains(home_page, "You are on a test site.")
-
-    @override_settings(IS_PRODUCTION=False)
-    def test_non_production_environment(self):
-        """Banner on non-prod."""
-        home_page = self.client.get("/")
-        self.assertContains(home_page, "You are on a test site.")

src/registrar/tests/test_models_domain.py

@@ -20,7 +20,7 @@ from registrar.models.user import User
 from registrar.utility.errors import ActionNotAllowed, NameserverError
 
 from registrar.models.utility.contact_error import ContactError, ContactErrorCodes
-
+from registrar.utility import errors
 
 from django_fsm import TransitionNotAllowed  # type: ignore
 from epplibwrapper import (
@@ -96,7 +96,7 @@ class TestDomainCache(MockEppLib):
 
             self.mockedSendFunction.assert_has_calls(expectedCalls)
 
-    def test_cache_nested_elements(self):
+    def test_cache_nested_elements_not_subdomain(self):
         """Cache works correctly with the nested objects cache and hosts"""
         with less_console_noise():
             domain, _ = Domain.objects.get_or_create(name="igorville.gov")
@@ -113,7 +113,7 @@ class TestDomainCache(MockEppLib):
             }
             expectedHostsDict = {
                 "name": self.mockDataInfoDomain.hosts[0],
-                "addrs": [item.addr for item in self.mockDataInfoHosts.addrs],
+                "addrs": [],  # should return empty bc fake.host.com is not a subdomain of igorville.gov
                 "cr_date": self.mockDataInfoHosts.cr_date,
             }
 
@@ -138,6 +138,59 @@ class TestDomainCache(MockEppLib):
             # invalidate cache
             domain._cache = {}
 
+            # get host
+            domain._get_property("hosts")
+            # Should return empty bc fake.host.com is not a subdomain of igorville.gov
+            self.assertEqual(domain._cache["hosts"], [expectedHostsDict])
+
+            # get contacts
+            domain._get_property("contacts")
+            self.assertEqual(domain._cache["hosts"], [expectedHostsDict])
+            self.assertEqual(domain._cache["contacts"], expectedContactsDict)
+
+    def test_cache_nested_elements_is_subdomain(self):
+        """Cache works correctly with the nested objects cache and hosts"""
+        with less_console_noise():
+            domain, _ = Domain.objects.get_or_create(name="meoward.gov")
+
+            # The contact list will initially contain objects of type 'DomainContact'
+            # this is then transformed into PublicContact, and cache should NOT
+            # hold onto the DomainContact object
+            expectedUnfurledContactsList = [
+                common.DomainContact(contact="123", type="security"),
+            ]
+            expectedContactsDict = {
+                PublicContact.ContactTypeChoices.ADMINISTRATIVE: None,
+                PublicContact.ContactTypeChoices.SECURITY: "123",
+                PublicContact.ContactTypeChoices.TECHNICAL: None,
+            }
+            expectedHostsDict = {
+                "name": self.mockDataInfoDomainSubdomain.hosts[0],
+                "addrs": [item.addr for item in self.mockDataInfoHosts.addrs],
+                "cr_date": self.mockDataInfoHosts.cr_date,
+            }
+
+            # this can be changed when the getter for contacts is implemented
+            domain._get_property("contacts")
+
+            # check domain info is still correct and not overridden
+            self.assertEqual(domain._cache["auth_info"], self.mockDataInfoDomainSubdomain.auth_info)
+            self.assertEqual(domain._cache["cr_date"], self.mockDataInfoDomainSubdomain.cr_date)
+
+            # check contacts
+            self.assertEqual(domain._cache["_contacts"], self.mockDataInfoDomainSubdomain.contacts)
+            # The contact list should not contain what is sent by the registry by default,
+            # as _fetch_cache will transform the type to PublicContact
+            self.assertNotEqual(domain._cache["contacts"], expectedUnfurledContactsList)
+            self.assertEqual(domain._cache["contacts"], expectedContactsDict)
+
+            # get and check hosts is set correctly
+            domain._get_property("hosts")
+            self.assertEqual(domain._cache["hosts"], [expectedHostsDict])
+            self.assertEqual(domain._cache["contacts"], expectedContactsDict)
+            # invalidate cache
+            domain._cache = {}
+
             # get host
             domain._get_property("hosts")
             self.assertEqual(domain._cache["hosts"], [expectedHostsDict])
@@ -502,16 +555,26 @@ class TestDomainAvailable(MockEppLib):
         self.assertFalse(available)
         patcher.stop()
 
-    def test_domain_available_with_value_error(self):
+    def test_domain_available_with_invalid_error(self):
         """
         Scenario: Testing whether an invalid domain is available
-            Should throw ValueError
+            Should throw InvalidDomainError
 
-            Validate ValueError is raised
+            Validate InvalidDomainError is raised
         """
-        with self.assertRaises(ValueError):
+        with self.assertRaises(errors.InvalidDomainError):
             Domain.available("invalid-string")
 
+    def test_domain_available_with_empty_string(self):
+        """
+        Scenario: Testing whether an empty string domain name is available
+            Should throw InvalidDomainError
+
+            Validate InvalidDomainError is raised
+        """
+        with self.assertRaises(errors.InvalidDomainError):
+            Domain.available("")
+
     def test_domain_available_unsuccessful(self):
         """
         Scenario: Testing behavior when registry raises a RegistryError
@@ -1572,31 +1635,100 @@ class TestRegistrantNameservers(MockEppLib):
             self.assertEqual(nameservers[0][1], ["1.1.1.1"])
             patcher.stop()
 
-    def test_nameservers_stored_on_fetch_cache(self):
+    def test_nameservers_stored_on_fetch_cache_a_subdomain_with_ip(self):
+        """
+        #1: Nameserver is a subdomain, and has an IP address
+        referenced by mockDataInfoDomainSubdomainAndIPAddress
+        """
+        with less_console_noise():
+            # make the domain
+            domain, _ = Domain.objects.get_or_create(name="meow.gov", state=Domain.State.READY)
+
+            # mock the get_or_create methods for Host and HostIP
+            with patch.object(Host.objects, "get_or_create") as mock_host_get_or_create, patch.object(
+                HostIP.objects, "get_or_create"
+            ) as mock_host_ip_get_or_create:
+                mock_host_get_or_create.return_value = (Host(domain=domain), True)
+                mock_host_ip_get_or_create.return_value = (HostIP(), True)
+
+                # force fetch_cache to be called, which will return above documented mocked hosts
+                domain.nameservers
+
+                mock_host_get_or_create.assert_called_once_with(domain=domain, name="fake.meow.gov")
+                # Retrieve the mocked_host from the return value of the mock
+                actual_mocked_host, _ = mock_host_get_or_create.return_value
+                mock_host_ip_get_or_create.assert_called_with(address="2.0.0.8", host=actual_mocked_host)
+                self.assertEqual(mock_host_ip_get_or_create.call_count, 1)
+
+    def test_nameservers_stored_on_fetch_cache_a_subdomain_without_ip(self):
+        """
+        #2: Nameserver is a subdomain, but doesn't have an IP address associated
+        referenced by mockDataInfoDomainSubdomainNoIP
+        """
+        with less_console_noise():
+            # make the domain
+            domain, _ = Domain.objects.get_or_create(name="subdomainwoip.gov", state=Domain.State.READY)
+
+            # mock the get_or_create methods for Host and HostIP
+            with patch.object(Host.objects, "get_or_create") as mock_host_get_or_create, patch.object(
+                HostIP.objects, "get_or_create"
+            ) as mock_host_ip_get_or_create:
+                mock_host_get_or_create.return_value = (Host(domain=domain), True)
+                mock_host_ip_get_or_create.return_value = (HostIP(), True)
+
+                # force fetch_cache to be called, which will return above documented mocked hosts
+                domain.nameservers
+
+                mock_host_get_or_create.assert_called_once_with(domain=domain, name="fake.subdomainwoip.gov")
+                mock_host_ip_get_or_create.assert_not_called()
+                self.assertEqual(mock_host_ip_get_or_create.call_count, 0)
+
+    def test_nameservers_stored_on_fetch_cache_not_subdomain_with_ip(self):
         """
         Scenario: Nameservers are stored in db when they are retrieved from fetch_cache.
             Verify the success of this by asserting get_or_create calls to db.
             The mocked data for the EPP calls returns a host name
             of 'fake.host.com' from InfoDomain and an array of 2 IPs: 1.2.3.4 and 2.3.4.5
             from InfoHost
+
+        #3: Nameserver is not a subdomain, but it does have an IP address returned
+        due to how we set up our defaults
         """
         with less_console_noise():
             domain, _ = Domain.objects.get_or_create(name="fake.gov", state=Domain.State.READY)
-            # mock the get_or_create methods for Host and HostIP
+
             with patch.object(Host.objects, "get_or_create") as mock_host_get_or_create, patch.object(
                 HostIP.objects, "get_or_create"
             ) as mock_host_ip_get_or_create:
-                # Set the return value for the mocks
+                mock_host_get_or_create.return_value = (Host(domain=domain), True)
-                mock_host_get_or_create.return_value = (Host(), True)
                 mock_host_ip_get_or_create.return_value = (HostIP(), True)
+
                 # force fetch_cache to be called, which will return above documented mocked hosts
                 domain.nameservers
-                # assert that the mocks are called
+
                 mock_host_get_or_create.assert_called_once_with(domain=domain, name="fake.host.com")
-                # Retrieve the mocked_host from the return value of the mock
+                mock_host_ip_get_or_create.assert_not_called()
-                actual_mocked_host, _ = mock_host_get_or_create.return_value
+                self.assertEqual(mock_host_ip_get_or_create.call_count, 0)
-                mock_host_ip_get_or_create.assert_called_with(address="2.3.4.5", host=actual_mocked_host)
+
-                self.assertEqual(mock_host_ip_get_or_create.call_count, 2)
+    def test_nameservers_stored_on_fetch_cache_not_subdomain_without_ip(self):
+        """
+        #4: Nameserver is not a subdomain and doesn't have an associated IP address
+        referenced by self.mockDataInfoDomainNotSubdomainNoIP
+        """
+        with less_console_noise():
+            domain, _ = Domain.objects.get_or_create(name="fakemeow.gov", state=Domain.State.READY)
+
+            with patch.object(Host.objects, "get_or_create") as mock_host_get_or_create, patch.object(
+                HostIP.objects, "get_or_create"
+            ) as mock_host_ip_get_or_create:
+                mock_host_get_or_create.return_value = (Host(domain=domain), True)
+                mock_host_ip_get_or_create.return_value = (HostIP(), True)
+
+                # force fetch_cache to be called, which will return above documented mocked hosts
+                domain.nameservers
+                mock_host_get_or_create.assert_called_once_with(domain=domain, name="fake.meow.com")
+                mock_host_ip_get_or_create.assert_not_called()
+                self.assertEqual(mock_host_ip_get_or_create.call_count, 0)
 
     @skip("not implemented yet")
     def test_update_is_unsuccessful(self):

src/registrar/tests/test_views.py

@@ -1,4 +1,4 @@
-from django.test import Client, TestCase
+from django.test import Client, TestCase, override_settings
 from django.contrib.auth import get_user_model
 
 from .common import MockEppLib  # type: ignore
@@ -50,3 +50,32 @@ class TestWithUser(MockEppLib):
         DomainApplication.objects.all().delete()
         DomainInformation.objects.all().delete()
         self.user.delete()
+
+
+class TestEnvironmentVariablesEffects(TestCase):
+    def setUp(self):
+        self.client = Client()
+        username = "test_user"
+        first_name = "First"
+        last_name = "Last"
+        email = "info@example.com"
+        self.user = get_user_model().objects.create(
+            username=username, first_name=first_name, last_name=last_name, email=email
+        )
+        self.client.force_login(self.user)
+
+    def tearDown(self):
+        super().tearDown()
+        self.user.delete()
+
+    @override_settings(IS_PRODUCTION=True)
+    def test_production_environment(self):
+        """No banner on prod."""
+        home_page = self.client.get("/")
+        self.assertNotContains(home_page, "You are on a test site.")
+
+    @override_settings(IS_PRODUCTION=False)
+    def test_non_production_environment(self):
+        """Banner on non-prod."""
+        home_page = self.client.get("/")
+        self.assertContains(home_page, "You are on a test site.")

src/registrar/tests/test_views_domain.py

@@ -821,14 +821,15 @@ class TestDomainNameservers(TestDomainOverview):
         nameserver1 = "ns1.igorville.gov"
         nameserver2 = "ns2.igorville.gov"
         valid_ip = "1.1. 1.1"
-        # initial nameservers page has one server with two ips
+        valid_ip_2 = "2.2. 2.2"
         # have to throw an error in order to test that the whitespace has been stripped from ip
         nameservers_page = self.app.get(reverse("domain-dns-nameservers", kwargs={"pk": self.domain.id}))
         session_id = self.app.cookies[settings.SESSION_COOKIE_NAME]
         self.app.set_cookie(settings.SESSION_COOKIE_NAME, session_id)
         # attempt to submit the form without one host and an ip with whitespace
         nameservers_page.form["form-0-server"] = nameserver1
-        nameservers_page.form["form-1-ip"] = valid_ip
+        nameservers_page.form["form-0-ip"] = valid_ip
+        nameservers_page.form["form-1-ip"] = valid_ip_2
         nameservers_page.form["form-1-server"] = nameserver2
         with less_console_noise():  # swallow log warning message
             result = nameservers_page.form.submit()
@@ -937,15 +938,14 @@ class TestDomainNameservers(TestDomainOverview):
         nameserver1 = "ns1.igorville.gov"
         nameserver2 = "ns2.igorville.gov"
         valid_ip = "127.0.0.1"
-        # initial nameservers page has one server with two ips
+        valid_ip_2 = "128.0.0.2"
         nameservers_page = self.app.get(reverse("domain-dns-nameservers", kwargs={"pk": self.domain.id}))
         session_id = self.app.cookies[settings.SESSION_COOKIE_NAME]
         self.app.set_cookie(settings.SESSION_COOKIE_NAME, session_id)
-        # attempt to submit the form without two hosts, both subdomains,
-        # only one has ips
         nameservers_page.form["form-0-server"] = nameserver1
+        nameservers_page.form["form-0-ip"] = valid_ip
         nameservers_page.form["form-1-server"] = nameserver2
-        nameservers_page.form["form-1-ip"] = valid_ip
+        nameservers_page.form["form-1-ip"] = valid_ip_2
         with less_console_noise():  # swallow log warning message
             result = nameservers_page.form.submit()
         # form submission was a successful post, response should be a 302

src/registrar/utility/email.py

@@ -15,7 +15,7 @@ class EmailSendingError(RuntimeError):
     pass
 
 
-def send_templated_email(template_name: str, subject_template_name: str, to_address: str, context={}):
+def send_templated_email(template_name: str, subject_template_name: str, to_address: str, bcc_address="", context={}):
     """Send an email built from a template to one email address.
 
     template_name and subject_template_name are relative to the same template
@@ -40,10 +40,14 @@ def send_templated_email(template_name: str, subject_template_name: str, to_addr
     except Exception as exc:
         raise EmailSendingError("Could not access the SES client.") from exc
 
+    destination = {"ToAddresses": [to_address]}
+    if bcc_address:
+        destination["BccAddresses"] = [bcc_address]
+
     try:
         ses_client.send_email(
             FromEmailAddress=settings.DEFAULT_FROM_EMAIL,
-            Destination={"ToAddresses": [to_address]},
+            Destination=destination,
             Content={
                 "Simple": {
                     "Subject": {"Data": subject},

src/registrar/views/domain.py

@@ -14,6 +14,7 @@ from django.http import HttpResponseRedirect
 from django.shortcuts import redirect
 from django.urls import reverse
 from django.views.generic.edit import FormMixin
+from django.conf import settings
 
 from registrar.models import (
     Domain,
@@ -707,7 +708,7 @@ class DomainAddUserView(DomainFormBaseView):
           adding a success message to the view if the email sending succeeds"""
 
         # Set a default email address to send to for staff
-        requestor_email = "help@get.gov"
+        requestor_email = settings.DEFAULT_FROM_EMAIL
 
         # Check if the email requestor has a valid email address
         if not requestor.is_staff and requestor.email is not None and requestor.email.strip() != "":