Allow disabling group/project email notifications

- Adds UI to configure in group and project settings
- Removes notification configuration for users when
disabled at group or project level

2 files changed, 58 insertions, 0 deletions

diff --git a/spec/support/helpers/email_helpers.rb b/spec/support/helpers/email_helpers.rb
index 83ba654fab3..024340310a1 100644
--- a/spec/support/helpers/email_helpers.rb
+++ b/spec/support/helpers/email_helpers.rb
@@ -31,6 +31,10 @@ module EmailHelpers
     expect(ActionMailer::Base.deliveries).to be_empty
   end
 
+  def should_email_anyone
+    expect(ActionMailer::Base.deliveries).not_to be_empty
+  end
+
   def email_recipients(kind: :to)
     ActionMailer::Base.deliveries.flat_map(&kind)
   end
diff --git a/spec/support/shared_examples/services/notification_service_shared_examples.rb b/spec/support/shared_examples/services/notification_service_shared_examples.rb
new file mode 100644
index 00000000000..dd338ea47c7
--- /dev/null
+++ b/spec/support/shared_examples/services/notification_service_shared_examples.rb
@@ -0,0 +1,54 @@
+# frozen_string_literal: true
+
+# Note that we actually update the attribute on the target_project/group, rather than
+# using `allow`.  This is because there are some specs where, based on how the notification
+# is done, using an `allow` doesn't change the correct object.
+shared_examples 'project emails are disabled' do
+  let(:target_project) { notification_target.is_a?(Project) ? notification_target : notification_target.project }
+
+  before do
+    reset_delivered_emails!
+    target_project.clear_memoization(:emails_disabled)
+  end
+
+  it 'sends no emails with project emails disabled' do
+    target_project.update_attribute(:emails_disabled, true)
+
+    notification_trigger
+
+    should_not_email_anyone
+  end
+
+  it 'sends emails to someone' do
+    target_project.update_attribute(:emails_disabled, false)
+
+    notification_trigger
+
+    should_email_anyone
+  end
+end
+
+shared_examples 'group emails are disabled' do
+  let(:target_group) { notification_target.is_a?(Group) ? notification_target : notification_target.project.group }
+
+  before do
+    reset_delivered_emails!
+    target_group.clear_memoization(:emails_disabled)
+  end
+
+  it 'sends no emails with group emails disabled' do
+    target_group.update_attribute(:emails_disabled, true)
+
+    notification_trigger
+
+    should_not_email_anyone
+  end
+
+  it 'sends emails to someone' do
+    target_group.update_attribute(:emails_disabled, false)
+
+    notification_trigger
+
+    should_email_anyone
+  end
+end