Use existing event-specific methods for pushing events to Redis

@joecorcoran added the methods in his initial work (PR #35) but I missed
them at first. I think they're a better approach, since we can use them
as a place to gather the metrics and logging we want to do around
different events.

Author: kerrizor

lib/travis/listener/app.rb

@@ -135,7 +135,15 @@ def sync_event
           type:          event_type
         )
 
-        Travis::Sidekiq::GithubSync.push(Travis.config.sync.queue, data)
+        case event_type
+        when 'integration_installation'
+          Travis::Sidekiq::GithubSync.gh_app_install(data)
+        when 'installation_repositories'
+          Travis::Sidekiq::GithubSync.gh_app_repos(data)
+        else
+          logger.info "Unable to find a sync event for event_type: #{event_type}"
+          false
+        end
       end
 
       def handle_event?

spec/travis/events_spec.rb

@@ -30,12 +30,6 @@ def create(opts = {})
     it { expect(gatekeeper_queue).to have_received(:push).with('build_requests', hash_including(type: event)) }
   end
 
-  shared_examples_for 'queues gh sync event' do |&block|
-    it { expect(gh_sync_queue)
-      .to have_received(:push)
-      .with('sync.gh_apps', hash_including(type: event)) }
-  end
-
   describe 'a push event' do
     let(:type)  { 'push' }
     let(:event) { 'push' }
@@ -99,12 +93,18 @@ def create(opts = {})
   describe 'an integration_installation event' do
     let(:type)  { 'integration_installation' }
     let(:event) { 'integration_installation' }
-    include_examples 'queues gh sync event'
+
+    it { expect(gh_sync_queue)
+      .to have_received(:push)
+      .with('sync.gh_apps', :gh_app_install, hash_including(type: event)) }
   end
 
   describe 'an installation_repositories event' do
     let(:type)  { 'installation_repositories' }
     let(:event) { 'installation_repositories' }
-    include_examples 'queues gh sync event'
+
+    it { expect(gh_sync_queue)
+      .to have_received(:push)
+      .with('sync.gh_apps', :gh_app_repos, hash_including(type: event)) }
   end
 end