FIX: correctly checks for chat enabled in incoming webhooks controller

This commit also moves the spec into the correct folder

plugins/chat/app/controllers/chat/incoming_webhooks_controller.rb

@@ -2,6 +2,8 @@
 
 module Chat
   class IncomingWebhooksController < ::ApplicationController
+    requires_plugin Chat::PLUGIN_NAME
+
     WEBHOOK_MESSAGES_PER_MINUTE_LIMIT = 10
 
     skip_before_action :verify_authenticity_token, :redirect_to_login_if_required

plugins/chat/spec/requests/chat/incoming_webhooks_controller_spec.rb

@@ -8,7 +8,18 @@ RSpec.describe Chat::IncomingWebhooksController do
 
   before { SiteSetting.chat_debug_webhook_payloads = true }
 
+  let(:valid_payload) { { text: "A new signup woo!" } }
+
   describe "#create_message" do
+    context "with chat disabled" do
+      before { SiteSetting.chat_enabled = false }
+
+      it "returns a 404" do
+        post "/chat/hooks/#{webhook.key}.json", params: valid_payload
+        expect(response.status).to eq(404)
+      end
+    end
+
     it "errors with invalid key" do
       post "/chat/hooks/null.json"
       expect(response.status).to eq(400)
@@ -28,9 +39,9 @@ RSpec.describe Chat::IncomingWebhooksController do
     end
 
     it "creates a new chat message" do
-      expect {
-        post "/chat/hooks/#{webhook.key}.json", params: { text: "A new signup woo!" }
-      }.to change { Chat::Message.where(chat_channel: chat_channel).count }.by(1)
+      expect { post "/chat/hooks/#{webhook.key}.json", params: valid_payload }.to change {
+        Chat::Message.where(chat_channel: chat_channel).count
+      }.by(1)
       expect(response.status).to eq(200)
       chat_webhook_event = Chat::WebhookEvent.last
       expect(chat_webhook_event.chat_message_id).to eq(Chat::Message.last.id)
@@ -71,6 +82,15 @@ RSpec.describe Chat::IncomingWebhooksController do
   end
 
   describe "#create_message_slack_compatible" do
+    context "with chat disabled" do
+      before { SiteSetting.chat_enabled = false }
+
+      it "returns a 404" do
+        post "/chat/hooks/#{webhook.key}/slack.json", params: valid_payload
+        expect(response.status).to eq(404)
+      end
+    end
+
     it "processes the text param with SlackCompatibility" do
       expect {
         post "/chat/hooks/#{webhook.key}/slack.json", params: { text: "A new signup woo <!here>!" }