Feature: Slack - receive messages, create threads, send replies (#974)

Co-authored-by: Pranav Raj S <pranav@thoughtwoot.com>

spec/lib/integrations/slack/hook_builder_spec.rb

@@ -10,7 +10,7 @@ describe Integrations::Slack::HookBuilder do
       hooks_count = account.hooks.count
 
       builder = described_class.new(account: account, code: code)
-      builder.stub(:fetch_access_token) { token }
+      allow(builder).to receive(:fetch_access_token).and_return(token)
 
       builder.perform
       expect(account.hooks.count).to eql(hooks_count + 1)

spec/lib/integrations/slack/incoming_message_builder_spec.rb

@@ -5,7 +5,7 @@ describe Integrations::Slack::IncomingMessageBuilder do
   let(:message_params) { slack_message_stub }
   let(:verification_params) { slack_url_verification_stub }
 
-  let(:hook) { create(:integrations_hook, account: account, reference_id: message_params[:event][:channel]) }
+  let!(:hook) { create(:integrations_hook, account: account, reference_id: message_params[:event][:channel]) }
   let!(:conversation) { create(:conversation, identifier: message_params[:event][:thread_ts]) }
 
   describe '#perform' do
@@ -19,8 +19,10 @@ describe Integrations::Slack::IncomingMessageBuilder do
 
     context 'when message creation' do
       it 'creates message' do
+        expect(hook).not_to eq nil
         messages_count = conversation.messages.count
         builder = described_class.new(message_params)
+        allow(builder).to receive(:sender).and_return(nil)
         builder.perform
         expect(conversation.messages.count).to eql(messages_count + 1)
       end

spec/lib/integrations/slack/outgoing_message_builder_spec.rb

@@ -14,15 +14,16 @@ describe Integrations::Slack::OutgoingMessageBuilder do
       builder = described_class.new(hook, message)
       stub_request(:post, 'https://slack.com/api/chat.postMessage')
         .to_return(status: 200, body: '', headers: {})
+      slack_client = double
+      expect(builder).to receive(:slack_client).and_return(slack_client)
 
-      # rubocop:disable RSpec/AnyInstance
-      allow_any_instance_of(Slack::Web::Client).to receive(:chat_postMessage).with(
+      expect(slack_client).to receive(:chat_postMessage).with(
         channel: hook.reference_id,
         text: message.content,
-        username: contact.name,
-        thread_ts: conversation.identifier
+        username: "Contact: #{contact.name}",
+        thread_ts: conversation.identifier,
+        icon_url: anything
       )
-      # rubocop:enable RSpec/AnyInstance
 
       builder.perform
     end