add cbp support for the groups endpoints

lib/zendesk_api/collection.rb

@@ -365,7 +365,8 @@ def intentional_obp_request?
     end
 
     def supports_cbp?
-      @resource_class.const_defined?(:CBP_ACTIONS) && @resource_class.const_get(:CBP_ACTIONS).any? { |supported_path| path.end_with?(supported_path) }
+      @resource_class.const_defined?(:CBP_ACTIONS) &&
+        @resource_class.const_get(:CBP_ACTIONS).any? { |supported_path_regex| path.match?(supported_path_regex) }
     end
 
     def first_cbp_request?

lib/zendesk_api/resources.rb

@@ -645,13 +645,19 @@ def self.preview(client, options = {})
   end
 
   class GroupMembership < Resource
+    CBP_ACTIONS = [%r{groups/\d+/memberships$}].freeze
     extend CreateMany
     extend DestroyMany
 
     has User
     has Group
   end
 
+  class Group < Resource
+    CBP_ACTIONS = [/groups$/, %r{groups/assignable$}].freeze
+    has_many :memberships, :class => GroupMembership, :path => "memberships"
+  end
+
   class User < Resource
     extend CreateMany
     extend UpdateMany

spec/core/cbp_helper.rb

@@ -0,0 +1,21 @@
+def expect_cbp_response_for(collection)
+  context collection.path.to_s, :vcr do
+    before do
+      @resource_klass = collection.instance_variable_get(:@resource_class)
+      VCR.use_cassette("cbp_#{@resource_class}_#{collection.path}") do
+        @result = collection.fetch
+        @response_body = collection.response.body
+      end
+    end
+    it 'expects an array with the correct element types' do
+      expect(@result).to all(be_a(@resource_klass))
+    end
+
+    it 'expects a CBP response with all the correct keys' do
+      expect(@response_body).to have_key('meta')
+      expect(@response_body).to have_key('links')
+      expect(@response_body['meta'].keys).to match_array(%w[has_more after_cursor before_cursor])
+      expect(@response_body['links'].keys).to match_array(%w[prev next])
+    end
+  end
+end

spec/live/cbp_support.rb

@@ -0,0 +1,37 @@
+require 'core/spec_helper'
+require 'core/cbp_helper'
+describe 'Endpoints that support CBP' do
+  describe ZendeskAPI::Group do
+    describe '/groups' do
+      expect_cbp_response_for(client.groups)
+      expect_cbp_response_for(client.groups.assignable)
+    end
+  end
+
+  describe ZendeskAPI::GroupMembership do
+    describe '/groups/{id}/memberships' do
+      before do
+        VCR.use_cassette("cbp_group_memberships_all_groups") do
+          @groups = client.groups.fetch
+        end
+
+        VCR.use_cassette("cbp_group_memberships_for_a_group") do
+          @memberships_collection = @groups.last.memberships
+          @all_memberships = @memberships_collection.fetch
+          @response_body = @memberships_collection.response.body
+        end
+      end
+
+      it 'expects an array with the correct element types' do
+        expect(@all_memberships).to all(be_a(ZendeskAPI::GroupMembership))
+      end
+
+      it 'expects a CBP response with all the correct keys' do
+        expect(@response_body).to have_key('meta')
+        expect(@response_body).to have_key('links')
+        expect(@response_body['meta'].keys).to match_array(%w[has_more after_cursor before_cursor])
+        expect(@response_body['links'].keys).to match_array(%w[prev next])
+      end
+    end
+  end
+end