Feature: API to list the agents for the inbox (#438)

Co-authored-by: Sojan Jose <sojan@pepalo.com>

spec/controllers/api/v1/widget/inbox_members_controller_spec.rb

@@ -0,0 +1,34 @@
+require 'rails_helper'
+
+RSpec.describe '/api/v1/widget/inbox_members', type: :request do
+  let(:account) { create(:account) }
+  let(:web_widget) { create(:channel_widget, account: account) }
+  let(:agent_1) { create(:user, account: account) }
+  let(:agent_2) { create(:user, account: account) }
+
+  before do
+    create(:inbox_member, user: agent_1, inbox: web_widget.inbox)
+    create(:inbox_member, user: agent_2, inbox: web_widget.inbox)
+  end
+
+  describe 'POST /api/v1/widget/inbox_members' do
+    let(:params) { { website_token: web_widget.website_token } }
+
+    context 'with correct website token' do
+      it 'returns the list of agents' do
+        get '/api/v1/widget/inbox_members', params: params
+
+        expect(response).to have_http_status(:success)
+        json_response = JSON.parse(response.body)
+        expect(json_response['payload'].length).to eq 2
+      end
+    end
+
+    context 'with invalid website token' do
+      it 'returns the list of agents' do
+        get '/api/v1/widget/inbox_members', params: { website_token: '' }
+        expect(response).to have_http_status(:not_found)
+      end
+    end
+  end
+end