Add changelog file

changelogs/unreleased/262857-creation-rotation-graphql.yml

+---
+title: Add create On-call rotations GraphQL mutation
+merge_request: 49206
+author:
+type: added

ee/app/graphql/mutations/incident_management/oncall_rotation/create.rb

@@ -39,7 +39,7 @@ module Mutations
         def resolve(iid:, project_path:, participants:, **args)
           project = authorized_find!(full_path: project_path)
 
-          schedule = ::IncidentManagement::OncallSchedulesFinder.new(current_user, project, iids: iid)
+          schedule = ::IncidentManagement::OncallSchedulesFinder.new(current_user, project, iid: iid)
                                                                 .execute
                                                                 .first
 

ee/spec/graphql/mutations/incident_management/oncall_rotation/create_spec.rb

@@ -14,7 +14,7 @@ RSpec.describe Mutations::IncidentManagement::OncallRotation::Create do
       starts_at: "2020-01-10 09:00".in_time_zone(schedule.timezone),
       rotation_length: {
         length: 1,
-        unit: ::IncidentManagement::OncallRotation.rotation_length_units[:days]
+        unit: ::IncidentManagement::OncallRotation.length_units[:days]
       },
       participants: [
         {
@@ -87,7 +87,7 @@ RSpec.describe Mutations::IncidentManagement::OncallRotation::Create do
           end
 
           it 'raises an error' do
-            expect { resolve }.to raise_error(ActiveRecord::RecordInvalid, /participant does not have access to the project/)
+            expect { resolve }.to raise_error(ActiveRecord::RecordInvalid, /Participant does not have access to the project/)
           end
         end
 

ee/spec/graphql/types/incident_management/oncall_rotation_type_spec.rb

@@ -12,8 +12,8 @@ RSpec.describe GitlabSchema.types['IncidentManagementOncallRotation'] do
       id
       name
       starts_at
-      rotation_length
-      rotation_length_unit
+      length
+      length_unit
       participants
     ]