Add new web hook serializers

spec/fabricators/web_hook_fabricator.rb

@@ -21,6 +21,9 @@ Fabricator(:wildcard_web_hook, from: :web_hook) do
   wildcard_web_hook true
 end
 
+Fabricator(:post_web_hook, from: :web_hook) do
+end
+
 Fabricator(:topic_web_hook, from: :web_hook) do
   transient topic_hook: WebHookEventType.find_by(name: 'topic')
 
@@ -36,3 +39,19 @@ Fabricator(:user_web_hook, from: :web_hook) do
     web_hook.web_hook_event_types = [transients[:user_hook]]
   end
 end
+
+Fabricator(:group_web_hook, from: :web_hook) do
+  transient group_hook: WebHookEventType.find_by(name: 'group')
+
+  after_build do |web_hook, transients|
+    web_hook.web_hook_event_types = [transients[:group_hook]]
+  end
+end
+
+Fabricator(:category_web_hook, from: :web_hook) do
+  transient category_hook: WebHookEventType.find_by(name: 'category')
+
+  after_build do |web_hook, transients|
+    web_hook.web_hook_event_types = [transients[:category_hook]]
+  end
+end

spec/jobs/emit_web_hook_event_spec.rb

@@ -56,9 +56,14 @@ describe Jobs::EmitWebHookEvent do
       stub_request(:post, "https://meta.discourse.org/webhook_listener")
         .to_return(body: 'OK', status: 200)
 
-      expect do
-        subject.execute(web_hook_id: post_hook.id, event_type: 'post', post_id: post.id)
-      end.to change(WebHookEvent, :count).by(1)
+      WebHookEventType.all.pluck(:name).each do |name|
+        web_hook_id = Fabricate("#{name}_web_hook").id
+        object_id = Fabricate(name).id
+
+        expect do
+          subject.execute(web_hook_id: web_hook_id, event_type: name, "#{name}_id": object_id)
+        end.to change(WebHookEvent, :count).by(1)
+      end
     end
 
     it 'skips silently on missing post' do