Add unit test for view

src/registrar/tests/test_views_domain.py

@@ -1580,7 +1580,7 @@ class TestDomainSuborganization(TestDomainOverview):
     @less_console_noise_decorator
     @override_flag("organization_feature", active=True)
     def test_edit_suborganization_field(self):
-
+        """Ensure that org admins can edit the suborganization field"""
         # Create a portfolio and two suborgs
         portfolio = Portfolio.objects.create(creator=self.user, organization_name="Ice Cream")
         suborg = Suborganization.objects.create(portfolio=portfolio, name="Vanilla")
@@ -1635,6 +1635,51 @@ class TestDomainSuborganization(TestDomainOverview):
         self.domain_information.refresh_from_db()
         self.assertEqual(self.domain_information.sub_organization, suborg_2)
 
+    @less_console_noise_decorator
+    @override_flag("organization_feature", active=True)
+    def test_view_suborganization_field(self):
+        """Only org admins can edit the suborg field, ensure that others cannot"""
+
+        # Create a portfolio and two suborgs
+        portfolio = Portfolio.objects.create(creator=self.user, organization_name="Ice Cream")
+        suborg = Suborganization.objects.create(portfolio=portfolio, name="Vanilla")
+        suborg_2 = Suborganization.objects.create(portfolio=portfolio, name="Chocolate")
+
+        # Create an unrelated portfolio
+        unrelated_portfolio = Portfolio.objects.create(creator=self.user, organization_name="Fruit")
+        unrelated_suborg = Suborganization.objects.create(portfolio=unrelated_portfolio, name="Apple")
+
+        # Add the portfolio to the domain_information object
+        self.domain_information.portfolio = portfolio
+        self.domain_information.sub_organization = suborg
+
+        # Add a organization_name to test if the old value still displays
+        self.domain_information.organization_name = "Broccoli"
+        self.domain_information.save()
+        self.domain_information.refresh_from_db()
+
+        # Add portfolio perms to the user object
+        self.user.portfolio = portfolio
+        self.user.portfolio_roles = [UserPortfolioRoleChoices.ORGANIZATION_ADMIN_READ_ONLY]
+        self.user.save()
+        self.user.refresh_from_db()
+
+        self.assertEqual(self.domain_information.sub_organization, suborg)
+
+        # Navigate to the suborganization page
+        page = self.app.get(reverse("domain-suborganization", kwargs={"pk": self.domain.id}))
+
+        # The page shouldn't contain these choices
+        self.assertNotContains(page, "Vanilla")
+        self.assertNotContains(page, "Chocolate")
+        self.assertNotContains(page, unrelated_suborg.name)
+        self.assertNotContains(page, "Save")
+
+        self.assertContains(
+            page, 
+            "The suborganization for this domain can only be updated by a organization administrator."
+        )
+
     @less_console_noise_decorator
     @override_flag("organization_feature", active=True)
     def test_has_suborganization_field_on_overview_with_flag(self):