Add initial Sprints GraphQL endpoint

Adds a GraphQL type for Sprints as well as adding it to
Issues/Projects/Groups and adding an Issue::SetSprint and
Group::CreateSprint mutators.

app/models/concerns/timebox.rb

@@ -53,7 +53,6 @@ module Timebox
 
     scope :of_projects, ->(ids) { where(project_id: ids) }
     scope :of_groups, ->(ids) { where(group_id: ids) }
-    scope :active, -> { with_state(:active) }
     scope :closed, -> { with_state(:closed) }
     scope :for_projects, -> { where(group: nil).includes(:project) }
     scope :with_title, -> (title) { where(title: title) }

app/models/iteration.rb

@@ -5,9 +5,12 @@ class Iteration < ApplicationRecord
 
   self.table_name = 'sprints'
 
-  STATE_ID_MAP = {
-      active: 1,
-      closed: 2
+  attr_accessor :skip_future_date_validation
+
+  STATE_ENUM_MAP = {
+      upcoming: 1,
+      started: 2,
+      closed: 3
   }.with_indifferent_access.freeze
 
   include AtomicInternalId
@@ -21,16 +24,77 @@ class Iteration < ApplicationRecord
   has_internal_id :iid, scope: :project, init: ->(s) { s&.project&.iterations&.maximum(:iid) }
   has_internal_id :iid, scope: :group, init: ->(s) { s&.group&.iterations&.maximum(:iid) }
 
-  state_machine :state, initial: :active do
+  validates :start_date, presence: true
+  validates :due_date, presence: true
+
+  validate :dates_do_not_overlap, if: :start_or_due_dates_changed?
+  validate :future_date, if: :start_or_due_dates_changed?, unless: :skip_future_date_validation
+
+  scope :upcoming, -> { with_state(:upcoming) }
+  scope :started, -> { with_state(:started) }
+
+  state_machine :state_enum, initial: :upcoming do
+    event :start do
+      transition upcoming: :started
+    end
+
     event :close do
-      transition active: :closed
+      transition [:upcoming, :started] => :closed
+    end
+
+    state :upcoming, value: Iteration::STATE_ENUM_MAP[:upcoming]
+    state :started, value: Iteration::STATE_ENUM_MAP[:started]
+    state :closed, value: Iteration::STATE_ENUM_MAP[:closed]
+  end
+
+  # Alias to state machine .with_state_enum method
+  # This needs to be defined after the state machine block to avoid errors
+  class << self
+    alias_method :with_state, :with_state_enum
+    alias_method :with_states, :with_state_enums
+
+    def filter_by_state(iterations, state)
+      case state
+      when 'closed' then iterations.closed
+      when 'started' then iterations.started
+      when 'opened' then iterations.started.or(iterations.upcoming)
+      when 'all' then iterations
+      else iterations.upcoming
+      end
     end
+  end
+
+  def state
+    STATE_ENUM_MAP.key(state_enum)
+  end
+
+  def state=(value)
+    self.state_enum = STATE_ENUM_MAP[value]
+  end
+
+  private
 
-    event :activate do
-      transition closed: :active
+  def start_or_due_dates_changed?
+    start_date_changed? || due_date_changed?
   end
 
-    state :active, value: Iteration::STATE_ID_MAP[:active]
-    state :closed, value: Iteration::STATE_ID_MAP[:closed]
+  # ensure dates do not overlap with other Iterations in the same group/project
+  def dates_do_not_overlap
+    return unless resource_parent.iterations.within_timeframe(start_date, due_date).exists?
+
+    errors.add(:base, s_("Iteration|Dates cannot overlap with other existing Iterations"))
+  end
+
+  # ensure dates are in the future
+  def future_date
+    if start_date_changed?
+      errors.add(:start_date, s_("Iteration|cannot be in the past")) if start_date < Date.today
+      errors.add(:start_date, s_("Iteration|cannot be more than 500 years in the future")) if start_date > 500.years.from_now
+    end
+
+    if due_date_changed?
+      errors.add(:due_date, s_("Iteration|cannot be in the past")) if due_date < Date.today
+      errors.add(:due_date, s_("Iteration|cannot be more than 500 years in the future")) if due_date > 500.years.from_now
+    end
   end
 end

app/models/milestone.rb

@@ -18,6 +18,7 @@ class Milestone < ApplicationRecord
 
   has_many :events, as: :target, dependent: :delete_all # rubocop:disable Cop/ActiveRecordDependent
 
+  scope :active, -> { with_state(:active) }
   scope :started, -> { active.where('milestones.start_date <= CURRENT_DATE') }
   scope :not_started, -> { active.where('milestones.start_date > CURRENT_DATE') }
   scope :not_upcoming, -> do

db/migrate/20200429001827_sprint_rename_state_to_state_enum.rb

+# frozen_string_literal: true
+
+class SprintRenameStateToStateEnum < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    rename_column_concurrently :sprints, :state, :state_enum
+  end
+
+  def down
+    undo_rename_column_concurrently :sprints, :state, :state_enum
+  end
+end

db/migrate/20200512164334_sprint_make_state_enum_not_null_and_default.rb

+# frozen_string_literal: true
+
+class SprintMakeStateEnumNotNullAndDefault < ActiveRecord::Migration[6.0]
+  DOWNTIME = false
+
+  def up
+    change_column_default :sprints, :state_enum, from: 0, to: 1
+    change_column_null :sprints, :state_enum, false, 1
+  end
+
+  def down
+    change_column_null :sprints, :state_enum, true
+    change_column_default :sprints, :state_enum, from: 1, to: nil
+  end
+end

db/post_migrate/20200429002150_cleanup_sprints_state_rename.rb

+# frozen_string_literal: true
+
+class CleanupSprintsStateRename < ActiveRecord::Migration[6.0]
+  include Gitlab::Database::MigrationHelpers
+
+  DOWNTIME = false
+
+  disable_ddl_transaction!
+
+  def up
+    cleanup_concurrent_column_rename :sprints, :state, :state_enum
+  end
+
+  def down
+    undo_cleanup_concurrent_column_rename :sprints, :state, :state_enum
+  end
+end

db/structure.sql

@@ -6242,11 +6242,11 @@ CREATE TABLE public.sprints (
     group_id bigint,
     iid integer NOT NULL,
     cached_markdown_version integer,
-    state smallint,
     title text NOT NULL,
     title_html text,
     description text,
     description_html text,
+    state_enum smallint DEFAULT 1 NOT NULL,
     CONSTRAINT sprints_must_belong_to_project_or_group CHECK ((((project_id <> NULL::bigint) AND (group_id IS NULL)) OR ((group_id <> NULL::bigint) AND (project_id IS NULL)))),
     CONSTRAINT sprints_title CHECK ((char_length(title) <= 255))
 );
@@ -13789,6 +13789,8 @@ COPY "schema_migrations" (version) FROM STDIN;
 20200424101920
 20200424135319
 20200427064130
+20200429001827
+20200429002150
 20200429015603
 20200429181335
 20200429181955
@@ -13812,6 +13814,7 @@ COPY "schema_migrations" (version) FROM STDIN;
 20200511162057
 20200511162115
 20200512085150
+20200512164334
 20200513234502
 20200513235347
 20200513235532

doc/api/graphql/reference/gitlab_schema.graphql

@@ -1115,6 +1115,61 @@ type CreateImageDiffNotePayload {
   note: Note
 }
 
+"""
+Autogenerated input type of CreateIteration
+"""
+input CreateIterationInput {
+  """
+  A unique identifier for the client performing the mutation.
+  """
+  clientMutationId: String
+
+  """
+  The description of the iteration
+  """
+  description: String
+
+  """
+  The end date of the iteration
+  """
+  dueDate: String
+
+  """
+  The target group for the iteration
+  """
+  groupPath: ID!
+
+  """
+  The start date of the iteration
+  """
+  startDate: String
+
+  """
+  The title of the iteration
+  """
+  title: String
+}
+
+"""
+Autogenerated return type of CreateIteration
+"""
+type CreateIterationPayload {
+  """
+  A unique identifier for the client performing the mutation.
+  """
+  clientMutationId: String
+
+  """
+  Errors encountered during execution of the mutation.
+  """
+  errors: [String!]!
+
+  """
+  The created iteration
+  """
+  iteration: Iteration
+}
+
 """
 Autogenerated input type of CreateNote
 """
@@ -3186,6 +3241,11 @@ type EpicIssue implements Noteable {
   """
   iid: ID!
 
+  """
+  Iteration of the issue
+  """
+  iteration: Iteration
+
   """
   Labels of the issue
   """
@@ -4075,6 +4135,53 @@ type Group {
     updatedBefore: Time
   ): IssueConnection
 
+  """
+  Find iterations
+  """
+  iterations(
+    """
+    Returns the elements in the list that come after the specified cursor.
+    """
+    after: String
+
+    """
+    Returns the elements in the list that come before the specified cursor.
+    """
+    before: String
+
+    """
+    List items within a time frame where items.end_date is between startDate and
+    endDate parameters (startDate parameter must be present)
+    """
+    endDate: Time
+
+    """
+    Returns the first _n_ elements from the list.
+    """
+    first: Int
+
+    """
+    Returns the last _n_ elements from the list.
+    """
+    last: Int
+
+    """
+    List items within a time frame where items.start_date is between startDate
+    and endDate parameters (endDate parameter must be present)
+    """
+    startDate: Time
+
+    """
+    Filter iterations by state
+    """
+    state: IterationState
+
+    """
+    Fuzzy search by title
+    """
+    title: String
+  ): IterationConnection
+
   """
   Indicates if Large File Storage (LFS) is enabled for namespace
   """
@@ -4536,6 +4643,11 @@ type Issue implements Noteable {
   """
   iid: ID!
 
+  """
+  Iteration of the issue
+  """
+  iteration: Iteration
+
   """
   Labels of the issue
   """
@@ -4872,6 +4984,51 @@ type IssueSetDueDatePayload {
   issue: Issue
 }
 
+"""
+Autogenerated input type of IssueSetIteration
+"""
+input IssueSetIterationInput {
+  """
+  A unique identifier for the client performing the mutation.
+  """
+  clientMutationId: String
+
+  """
+  The iid of the issue to mutate
+  """
+  iid: String!
+
+  """
+  The iteration to assign to the issue.
+  """
+  iterationId: ID
+
+  """
+  The project the issue to mutate is in
+  """
+  projectPath: ID!
+}
+
+"""
+Autogenerated return type of IssueSetIteration
+"""
+type IssueSetIterationPayload {
+  """
+  A unique identifier for the client performing the mutation.
+  """
+  clientMutationId: String
+
+  """
+  Errors encountered during execution of the mutation.
+  """
+  errors: [String!]!
+
+  """
+  The issue after mutation
+  """
+  issue: Issue
+}
+
 """
 Autogenerated input type of IssueSetWeight
 """
@@ -5006,6 +5163,107 @@ enum IssueState {
   opened
 }
 
+"""
+Represents an iteration object.
+"""
+type Iteration {
+  """
+  Timestamp of iteration creation
+  """
+  createdAt: Time!
+
+  """
+  Description of the iteration
+  """
+  description: String
+
+  """
+  Timestamp of the iteration due date
+  """
+  dueDate: Time
+
+  """
+  ID of the iteration
+  """
+  id: ID!
+
+  """
+  Timestamp of the iteration start date
+  """
+  startDate: Time
+
+  """
+  State of the iteration
+  """
+  state: IterationState!
+
+  """
+  Title of the iteration
+  """
+  title: String!
+
+  """
+  Timestamp of last iteration update
+  """
+  updatedAt: Time!
+
+  """
+  Web path of the iteration
+  """
+  webPath: String!
+
+  """
+  Web URL of the iteration
+  """
+  webUrl: String!
+}
+
+"""
+The connection type for Iteration.
+"""
+type IterationConnection {
+  """
+  A list of edges.
+  """
+  edges: [IterationEdge]
+
+  """
+  A list of nodes.
+  """
+  nodes: [Iteration]
+
+  """
+  Information to aid in pagination.
+  """
+  pageInfo: PageInfo!
+}
+
+"""
+An edge in a connection.
+"""
+type IterationEdge {
+  """
+  A cursor for use in pagination.
+  """
+  cursor: String!
+
+  """
+  The item at the end of the edge.
+  """
+  node: Iteration
+}
+
+"""
+State of a GitLab iteration
+"""
+enum IterationState {
+  all
+  closed
+  opened
+  started
+  upcoming
+}
+
 """
 Represents untyped JSON
 """
@@ -6253,6 +6511,7 @@ type Mutation {
   createDiffNote(input: CreateDiffNoteInput!): CreateDiffNotePayload
   createEpic(input: CreateEpicInput!): CreateEpicPayload
   createImageDiffNote(input: CreateImageDiffNoteInput!): CreateImageDiffNotePayload
+  createIteration(input: CreateIterationInput!): CreateIterationPayload
   createNote(input: CreateNoteInput!): CreateNotePayload
   createRequirement(input: CreateRequirementInput!): CreateRequirementPayload
   createSnippet(input: CreateSnippetInput!): CreateSnippetPayload
@@ -6266,6 +6525,7 @@ type Mutation {
   epicTreeReorder(input: EpicTreeReorderInput!): EpicTreeReorderPayload
   issueSetConfidential(input: IssueSetConfidentialInput!): IssueSetConfidentialPayload
   issueSetDueDate(input: IssueSetDueDateInput!): IssueSetDueDatePayload
+  issueSetIteration(input: IssueSetIterationInput!): IssueSetIterationPayload
   issueSetWeight(input: IssueSetWeightInput!): IssueSetWeightPayload
   jiraImportStart(input: JiraImportStartInput!): JiraImportStartPayload
   markAsSpamSnippet(input: MarkAsSpamSnippetInput!): MarkAsSpamSnippetPayload

doc/api/graphql/reference/index.md

@@ -204,6 +204,16 @@ Autogenerated return type of CreateImageDiffNote
 | `errors` | String! => Array | Errors encountered during execution of the mutation. |
 | `note` | Note | The note after mutation |
 
+## CreateIterationPayload
+
+Autogenerated return type of CreateIteration
+
+| Name  | Type  | Description |
+| ---   |  ---- | ----------  |
+| `clientMutationId` | String | A unique identifier for the client performing the mutation. |
+| `errors` | String! => Array | Errors encountered during execution of the mutation. |
+| `iteration` | Iteration | The created iteration |
+
 ## CreateNotePayload
 
 Autogenerated return type of CreateNote
@@ -521,6 +531,7 @@ Relationship between an epic and an issue
 | `healthStatus` | HealthStatus | Current health status. Returns null if `save_issuable_health_status` feature flag is disabled. |
 | `id` | ID | Global ID of the epic-issue relation |
 | `iid` | ID! | Internal ID of the issue |
+| `iteration` | Iteration | Iteration of the issue |
 | `milestone` | Milestone | Milestone of the issue |
 | `reference` | String! | Internal reference of the issue. Returned in shortened format by default |
 | `relationPath` | String | URI path of the epic-issue relation |
@@ -660,6 +671,7 @@ Autogenerated return type of EpicTreeReorder
 | `epic` | Epic | Epic to which this issue belongs |
 | `healthStatus` | HealthStatus | Current health status. Returns null if `save_issuable_health_status` feature flag is disabled. |
 | `iid` | ID! | Internal ID of the issue |
+| `iteration` | Iteration | Iteration of the issue |
 | `milestone` | Milestone | Milestone of the issue |
 | `reference` | String! | Internal reference of the issue. Returned in shortened format by default |
 | `relativePosition` | Int | Relative position of the issue (used for positioning in epic tree and issue boards) |
@@ -713,6 +725,16 @@ Autogenerated return type of IssueSetDueDate
 | `errors` | String! => Array | Errors encountered during execution of the mutation. |
 | `issue` | Issue | The issue after mutation |
 
+## IssueSetIterationPayload
+
+Autogenerated return type of IssueSetIteration
+
+| Name  | Type  | Description |
+| ---   |  ---- | ----------  |
+| `clientMutationId` | String | A unique identifier for the client performing the mutation. |
+| `errors` | String! => Array | Errors encountered during execution of the mutation. |
+| `issue` | Issue | The issue after mutation |
+
 ## IssueSetWeightPayload
 
 Autogenerated return type of IssueSetWeight
@@ -723,6 +745,23 @@ Autogenerated return type of IssueSetWeight
 | `errors` | String! => Array | Errors encountered during execution of the mutation. |
 | `issue` | Issue | The issue after mutation |
 
+## Iteration
+
+Represents an iteration object.
+
+| Name  | Type  | Description |
+| ---   |  ---- | ----------  |
+| `createdAt` | Time! | Timestamp of iteration creation |
+| `description` | String | Description of the iteration |
+| `dueDate` | Time | Timestamp of the iteration due date |
+| `id` | ID! | ID of the iteration |
+| `startDate` | Time | Timestamp of the iteration start date |
+| `state` | IterationState! | State of the iteration |
+| `title` | String! | Title of the iteration |
+| `updatedAt` | Time! | Timestamp of last iteration update |
+| `webPath` | String! | Web path of the iteration |
+| `webUrl` | String! | Web URL of the iteration |
+
 ## JiraImport
 
 | Name  | Type  | Description |

ee/app/controllers/groups/iterations_controller.rb

+# frozen_string_literal: true
+
+class Groups::IterationsController < Groups::ApplicationController
+  before_action :check_iterations_available!
+  before_action :authorize_show_iteration!, only: [:index, :show]
+  before_action :authorize_create_iteration!, only: :new
+
+  def index; end
+
+  def show; end
+
+  def new; end
+
+  private
+
+  def check_iterations_available!
+    return render_404 unless group.feature_available?(:iterations)
+  end
+
+  def authorize_create_iteration!
+    return render_404 unless can?(current_user, :create_iteration, group)
+  end
+
+  def authorize_show_iteration!
+    return render_404 unless can?(current_user, :read_iteration, group)
+  end
+end

ee/app/graphql/ee/types/group_type.rb

@@ -21,6 +21,10 @@ module EE
               max_page_size: 2000,
               resolver: ::Resolvers::EpicsResolver
 
+        field :iterations, ::Types::IterationType.connection_type, null: true,
+              description: 'Find iterations',
+              resolver: ::Resolvers::IterationsResolver
+
         field :timelogs, ::Types::TimelogType.connection_type, null: false,
               description: 'Time logged in issues by group members',
               complexity: 5,

ee/app/graphql/ee/types/issue_type.rb

@@ -9,6 +9,10 @@ module EE
         field :epic, ::Types::EpicType, null: true,
               description: 'Epic to which this issue belongs'
 
+        field :iteration, ::Types::IterationType, null: true,
+              description: 'Iteration of the issue',
+              resolve: -> (obj, _args, _ctx) { ::Gitlab::Graphql::Loaders::BatchModelLoader.new(::Iteration, obj.sprint_id).find }
+
         field :weight, GraphQL::INT_TYPE, null: true,
               description: 'Weight of the issue',
               resolve: -> (obj, _args, _ctx) { obj.supports_weight? ? obj.weight : nil }

ee/app/graphql/ee/types/mutation_type.rb

@@ -6,12 +6,14 @@ module EE
       extend ActiveSupport::Concern
 
       prepended do
+        mount_mutation ::Mutations::Issues::SetIteration
         mount_mutation ::Mutations::Issues::SetWeight
         mount_mutation ::Mutations::EpicTree::Reorder
         mount_mutation ::Mutations::Epics::Update
         mount_mutation ::Mutations::Epics::Create
         mount_mutation ::Mutations::Epics::SetSubscription
         mount_mutation ::Mutations::Epics::AddIssue
+        mount_mutation ::Mutations::Iterations::Create
         mount_mutation ::Mutations::RequirementsManagement::CreateRequirement
         mount_mutation ::Mutations::RequirementsManagement::UpdateRequirement
         mount_mutation ::Mutations::Vulnerabilities::Dismiss

ee/app/graphql/mutations/issues/set_iteration.rb

+# frozen_string_literal: true
+
+module Mutations
+  module Issues
+    class SetIteration < Base
+      graphql_name 'IssueSetIteration'
+
+      argument :iteration_id,
+               GraphQL::ID_TYPE,
+               required: false,
+               loads: Types::IterationType,
+               description: <<~DESC
+                            The iteration to assign to the issue.
+               DESC
+
+      def resolve(project_path:, iid:, iteration: nil)
+        issue = authorized_find!(project_path: project_path, iid: iid)
+        project = issue.project
+
+        ::Issues::UpdateService.new(project, current_user, iteration: iteration)
+          .execute(issue)
+
+        {
+          issue: issue,
+          errors: issue.errors.full_messages
+        }
+      end
+    end
+  end
+end

ee/app/graphql/mutations/iterations/create.rb

+# frozen_string_literal: true
+
+module Mutations
+  module Iterations
+    class Create < BaseMutation
+      include Mutations::ResolvesGroup
+
+      graphql_name 'CreateIteration'
+
+      authorize :create_iteration
+
+      field :iteration,
+            Types::IterationType,
+            null: true,
+            description: 'The created iteration'
+
+      argument :group_path, GraphQL::ID_TYPE,
+               required: true,
+               description: "The target group for the iteration"
+
+      argument :title,
+               GraphQL::STRING_TYPE,
+               required: false,
+               description: 'The title of the iteration'
+
+      argument :description,
+               GraphQL::STRING_TYPE,
+               required: false,
+               description: 'The description of the iteration'
+
+      argument :start_date,
+               GraphQL::STRING_TYPE,
+               required: false,
+               description: 'The start date of the iteration'
+
+      argument :due_date,
+               GraphQL::STRING_TYPE,
+               required: false,
+               description: 'The end date of the iteration'
+
+      def resolve(args)
+        group_path = args.delete(:group_path)
+
+        validate_arguments!(args)
+
+        group = authorized_find!(group_path: group_path)
+        response = ::Iterations::CreateService.new(group, current_user, args).execute
+
+        response_object = response.payload[:iteration] if response.success?
+        response_errors = response.error? ? response.payload[:errors].full_messages : []
+
+        {
+            iteration: response_object,
+            errors: response_errors
+        }
+      end
+
+      private
+
+      def find_object(group_path:)
+        resolve_group(full_path: group_path)
+      end
+
+      def validate_arguments!(args)
+        if args.empty?
+          raise Gitlab::Graphql::Errors::ArgumentError,
+                'The list of iteration attributes is empty'
+        end
+      end
+    end
+  end
+end

ee/app/graphql/resolvers/iterations_resolver.rb

+# frozen_string_literal: true
+
+module Resolvers
+  class IterationsResolver < BaseResolver
+    include Gitlab::Graphql::Authorize::AuthorizeResource
+    include TimeFrameArguments
+
+    argument :state, Types::IterationStateEnum,
+             required: false,
+             description: 'Filter iterations by state'
+    argument :title, GraphQL::STRING_TYPE,
+             required: false,
+             description: 'Fuzzy search by title'
+
+    type Types::IterationType, null: true
+
+    def resolve(**args)
+      validate_timeframe_params!(args)
+
+      authorize!
+
+      iterations = IterationsFinder.new(iterations_finder_params(args)).execute
+
+      Gitlab::Graphql::Pagination::OffsetActiveRecordRelationConnection.new(iterations)
+    end
+
+    private
+
+    def iterations_finder_params(args)
+      {
+        state: args[:state] || 'all',
+        start_date: args[:start_date],
+        end_date: args[:end_date],
+        search_title: args[:title]
+      }.merge(parent_id_parameter)
+    end
+
+    def parent
+      @parent ||= object.respond_to?(:sync) ? object.sync : object
+    end
+
+    def parent_id_parameter
+      if parent.is_a?(Group)
+        { group_ids: parent.id }
+      elsif parent.is_a?(Project)
+        { project_ids: parent.id }
+      end
+    end
+
+    # IterationsFinder does not check for current_user permissions,
+    # so for now we need to keep it here.
+    def authorize!
+      Ability.allowed?(context[:current_user], :read_iteration, parent) || raise_resource_not_available_error!
+    end
+  end
+end

ee/app/graphql/types/iteration_state_enum.rb

+# frozen_string_literal: true
+
+module Types
+  class IterationStateEnum < BaseEnum
+    graphql_name 'IterationState'
+    description 'State of a GitLab iteration'
+
+    value 'upcoming'
+    value 'started'
+    value 'opened'
+    value 'closed'
+    value 'all'
+  end
+end

ee/app/graphql/types/iteration_type.rb

+# frozen_string_literal: true
+
+module Types
+  class IterationType < BaseObject
+    graphql_name 'Iteration'
+    description 'Represents an iteration object.'
+
+    present_using IterationPresenter
+
+    authorize :read_iteration
+
+    field :id, GraphQL::ID_TYPE, null: false,
+          description: 'ID of the iteration'
+
+    field :title, GraphQL::STRING_TYPE, null: false,
+          description: 'Title of the iteration'
+
+    field :description, GraphQL::STRING_TYPE, null: true,
+          description: 'Description of the iteration'
+
+    field :state, Types::IterationStateEnum, null: false,
+          description: 'State of the iteration'
+
+    field :web_path, GraphQL::STRING_TYPE, null: false, method: :iteration_path,
+          description: 'Web path of the iteration'
+
+    field :web_url, GraphQL::STRING_TYPE, null: false, method: :iteration_url,
+          description: 'Web URL of the iteration'
+
+    field :due_date, Types::TimeType, null: true,
+          description: 'Timestamp of the iteration due date'
+
+    field :start_date, Types::TimeType, null: true,
+          description: 'Timestamp of the iteration start date'
+
+    field :created_at, Types::TimeType, null: false,
+          description: 'Timestamp of iteration creation'
+
+    field :updated_at, Types::TimeType, null: false,
+          description: 'Timestamp of last iteration update'
+  end
+end

ee/app/policies/sprint_policy.rb → ee/app/policies/iteration_policy.rb

 # frozen_string_literal: true
 
-class SprintPolicy < BasePolicy
+class IterationPolicy < BasePolicy
   delegate { @subject.resource_parent }
 end

ee/app/presenters/iteration_presenter.rb

+# frozen_string_literal: true
+
+class IterationPresenter < Gitlab::View::Presenter::Delegated
+  presents :iteration
+
+  def iteration_path
+    url_builder.build(iteration, only_path: true)
+  end
+
+  def iteration_url
+    url_builder.build(iteration)
+  end
+end

ee/app/views/groups/iterations/index.html.haml

+- page_title _("Iterations")
+
+.js-iterations-list{ data: { group_full_path: @group.full_path, can_admin: can?(current_user, :admin_iteration, @group) } }

ee/app/views/groups/iterations/new.html.haml

+- add_to_breadcrumbs _("Iterations"), group_iterations_path(@group)
+- breadcrumb_title _("New")
+- page_title _("Iterations")
+
+%h3.page-title
+  = _("New Iteration")
+
+.js-iteration-new{ data: { group_full_path: @group.full_path } }

ee/app/views/groups/iterations/show.html.haml

+- add_to_breadcrumbs _("Iterations"), group_iterations_path(@group)
+- breadcrumb_title params[:id]
+- page_title _("Iterations")
+
+
+.js-iteration{ data: { group_full_path: @group.full_path, iteration_id: params[:iteration_id] } }

ee/config/routes/group.rb

@@ -109,6 +109,8 @@ constraints(::Constraints::GroupUrlConstrainer.new) do
       end
     end
 
+    resources :iterations, only: [:index, :new, :show], constraints: { id: /\d+/ }
+
     resources :issues, only: [] do
       collection do
         post :bulk_update

ee/lib/ee/gitlab/url_builder.rb

@@ -13,6 +13,8 @@ module EE
           case object.itself
           when Epic
             instance.group_epic_url(object.group, object, **options)
+          when Iteration
+            instance.group_iteration_url(object.group, object, **options)
           when Vulnerability
             instance.project_security_vulnerability_url(object.project, object, **options)
           else

ee/spec/finders/iterations_finder_spec.rb

@@ -7,10 +7,10 @@ describe IterationsFinder do
   let_it_be(:group) { create(:group) }
   let_it_be(:project_1) { create(:project, namespace: group) }
   let_it_be(:project_2) { create(:project, namespace: group) }
-  let!(:started_group_iteration) { create(:iteration, group: group, title: 'one test', start_date: now - 1.day, due_date: now) }
-  let!(:upcoming_group_iteration) { create(:iteration, group: group, start_date: now + 1.day, due_date: now + 2.days) }
-  let!(:iteration_from_project_1) { create(:iteration, project: project_1, state: ::Iteration::STATE_ID_MAP[:active], start_date: now + 2.days, due_date: now + 3.days) }
-  let!(:iteration_from_project_2) { create(:iteration, project: project_2, state: ::Iteration::STATE_ID_MAP[:active], start_date: now + 4.days, due_date: now + 5.days) }
+  let!(:started_group_iteration) { create(:started_iteration, :skip_future_date_validation, group: group, title: 'one test', start_date: now - 1.day, due_date: now) }
+  let!(:upcoming_group_iteration) { create(:iteration, group: group, start_date: 1.day.from_now, due_date: 2.days.from_now) }
+  let!(:iteration_from_project_1) { create(:started_iteration, project: project_1, start_date: 2.days.from_now, due_date: 3.days.from_now) }
+  let!(:iteration_from_project_2) { create(:started_iteration, project: project_2, start_date: 4.days.from_now, due_date: 5.days.from_now) }
   let(:project_ids) { [project_1.id, project_2.id] }
 
   subject { described_class.new(params).execute }
@@ -39,7 +39,7 @@ describe IterationsFinder do
     end
 
     it 'orders iterations by due date' do
-      iteration = create(:iteration, group: group, due_date: now - 2.days)
+      iteration = create(:iteration, :skip_future_date_validation, group: group, start_date: now - 3.days, due_date: now - 2.days)
 
       expect(subject.first).to eq(iteration)
       expect(subject.second).to eq(started_group_iteration)
@@ -61,8 +61,14 @@ describe IterationsFinder do
       iteration_from_project_1.close
     end
 
-    it 'filters by active state' do
-      params[:state] = 'active'
+    it 'filters by started state' do
+      params[:state] = 'started'
+
+      expect(subject).to contain_exactly(iteration_from_project_2)
+    end
+
+    it 'filters by opened state' do
+      params[:state] = 'opened'
 
       expect(subject).to contain_exactly(upcoming_group_iteration, iteration_from_project_2)
     end
@@ -87,21 +93,21 @@ describe IterationsFinder do
 
     context 'by timeframe' do
       it 'returns iterations with start_date and due_date between timeframe' do
-        params.merge!(start_date: now - 1.day, end_date: now + 3.days)
+        params.merge!(start_date: now - 1.day, end_date: 3.days.from_now)
 
         expect(subject).to match_array([started_group_iteration, upcoming_group_iteration, iteration_from_project_1])
       end
 
       it 'returns iterations which start before the timeframe' do
-        iteration = create(:iteration, project: project_2, start_date: now - 5.days)
+        iteration = create(:iteration, :skip_future_date_validation, project: project_2, start_date: now - 5.days)
         params.merge!(start_date: now - 3.days, end_date: now - 2.days)
 
         expect(subject).to match_array([iteration])
       end
 
       it 'returns iterations which end after the timeframe' do
-        iteration = create(:iteration, project: project_2, due_date: now + 6.days)
-        params.merge!(start_date: now + 6.days, end_date: now + 7.days)
+        iteration = create(:iteration, project: project_2, start_date: 6.days.from_now, due_date: 2.weeks.from_now)
+        params.merge!(start_date: 6.days.from_now, end_date: 7.days.from_now)
 
         expect(subject).to match_array([iteration])
       end

ee/spec/graphql/ee/types/group_type_spec.rb

@@ -9,6 +9,7 @@ describe GitlabSchema.types['Group'] do
     it { expect(described_class).to have_graphql_field(:epic) }
   end
 
+  it { expect(described_class).to have_graphql_field(:iterations) }
   it { expect(described_class).to have_graphql_field(:groupTimelogsEnabled) }
   it { expect(described_class).to have_graphql_field(:timelogs, complexity: 5) }
   it { expect(described_class).to have_graphql_field(:vulnerabilities) }

ee/spec/graphql/mutations/issues/set_iteration_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Mutations::Issues::SetIteration do
+  let(:issue) { create(:issue) }
+  let(:user) { create(:user) }
+
+  subject(:mutation) { described_class.new(object: nil, context: { current_user: user }, field: nil) }
+
+  describe '#resolve' do
+    let(:iteration) { create(:iteration, project: issue.project) }
+    let(:mutated_issue) { subject[:issue] }
+
+    subject { mutation.resolve(project_path: issue.project.full_path, iid: issue.iid, iteration: iteration) }
+
+    it 'raises an error if the resource is not accessible to the user' do
+      expect { subject }.to raise_error(Gitlab::Graphql::Errors::ResourceNotAvailable)
+    end
+
+    context 'when the user can update the issue' do
+      before do
+        issue.project.add_developer(user)
+      end
+
+      it 'returns the issue with the iteration' do
+        expect(mutated_issue).to eq(issue)
+        expect(mutated_issue.iteration).to eq(iteration)
+        expect(subject[:errors]).to be_empty
+      end
+
+      it 'returns errors issue could not be updated' do
+        # Make the issue invalid
+        issue.update_column(:author_id, nil)
+
+        expect(subject[:errors]).not_to be_empty
+      end
+
+      context 'when passing iteration_id as nil' do
+        let(:iteration) { nil }
+
+        it 'removes the iteration' do
+          issue.update!(iteration: create(:iteration, project: issue.project))
+
+          expect(mutated_issue.iteration).to eq(nil)
+        end
+
+        it 'does not do anything if the issue already does not have a iteration' do
+          expect(mutated_issue.iteration).to eq(nil)
+        end
+      end
+    end
+  end
+end

ee/spec/graphql/resolvers/iterations_resolver_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe Resolvers::IterationsResolver do
+  include GraphqlHelpers
+
+  describe '#resolve' do
+    let_it_be(:current_user) { create(:user) }
+
+    context 'for group iterations' do
+      let_it_be(:now) { Time.now }
+      let_it_be(:group) { create(:group, :private) }
+
+      def resolve_group_iterations(args = {}, context = { current_user: current_user })
+        resolve(described_class, obj: group, args: args, ctx: context)
+      end
+
+      before do
+        group.add_developer(current_user)
+      end
+
+      it 'calls IterationsFinder#execute' do
+        expect_next_instance_of(IterationsFinder) do |finder|
+          expect(finder).to receive(:execute)
+        end
+
+        resolve_group_iterations
+      end
+
+      context 'without parameters' do
+        it 'calls IterationsFinder to retrieve all iterations' do
+          expect(IterationsFinder).to receive(:new)
+                                          .with(group_ids: group.id, state: 'all', start_date: nil, end_date: nil, search_title: nil)
+                                          .and_call_original
+
+          resolve_group_iterations
+        end
+      end
+
+      context 'with parameters' do
+        it 'calls IterationsFinder with correct parameters' do
+          start_date = now
+          end_date = start_date + 1.hour
+          search = 'wow'
+
+          expect(IterationsFinder).to receive(:new)
+                                          .with(group_ids: group.id, state: 'closed', start_date: start_date, end_date: end_date, search_title: search)
+                                          .and_call_original
+
+          resolve_group_iterations(start_date: start_date, end_date: end_date, state: 'closed', title: search)
+        end
+      end
+
+      context 'by timeframe' do
+        context 'when start_date and end_date are present' do
+          context 'when start date is after end_date' do
+            it 'raises error' do
+              expect do
+                resolve_group_iterations(start_date: now, end_date: now - 2.days)
+              end.to raise_error(Gitlab::Graphql::Errors::ArgumentError, "startDate is after endDate")
+            end
+          end
+        end
+
+        context 'when only start_date is present' do
+          it 'raises error' do
+            expect do
+              resolve_group_iterations(start_date: now)
+            end.to raise_error(Gitlab::Graphql::Errors::ArgumentError, /Both startDate and endDate/)
+          end
+        end
+
+        context 'when only end_date is present' do
+          it 'raises error' do
+            expect do
+              resolve_group_iterations(end_date: now)
+            end.to raise_error(Gitlab::Graphql::Errors::ArgumentError, /Both startDate and endDate/)
+          end
+        end
+      end
+
+      context 'when user cannot read iterations' do
+        it 'raises error' do
+          unauthorized_user = create(:user)
+
+          expect do
+            resolve_group_iterations({}, { current_user: unauthorized_user })
+          end.to raise_error(Gitlab::Graphql::Errors::ResourceNotAvailable)
+        end
+      end
+    end
+  end
+end

ee/spec/graphql/types/issue_type_spec.rb

@@ -5,6 +5,8 @@ require 'spec_helper'
 describe GitlabSchema.types['Issue'] do
   it { expect(described_class).to have_graphql_field(:epic) }
 
+  it { expect(described_class).to have_graphql_field(:iteration) }
+
   it { expect(described_class).to have_graphql_field(:weight) }
 
   it { expect(described_class).to have_graphql_field(:health_status) }

ee/spec/graphql/types/iteration_type_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe GitlabSchema.types['Iteration'] do
+  it { expect(described_class.graphql_name).to eq('Iteration') }
+
+  it { expect(described_class).to require_graphql_authorizations(:read_iteration) }
+end

ee/spec/requests/api/graphql/mutations/iterations/create_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe 'Creating an Iteration' do
+  include GraphqlHelpers
+
+  let_it_be(:current_user) { create(:user) }
+  let_it_be(:group) { create(:group) }
+
+  let(:start_date) { Time.now.strftime('%F') }
+  let(:end_date) { 1.day.from_now.strftime('%F') }
+  let(:attributes) do
+    {
+        title: 'title',
+        description: 'some description',
+        start_date: start_date,
+        due_date: end_date
+    }
+  end
+
+  let(:mutation) do
+    params = { group_path: group.full_path }.merge(attributes)
+
+    graphql_mutation(:create_iteration, params)
+  end
+
+  def mutation_response
+    graphql_mutation_response(:create_iteration)
+  end
+
+  context 'when the user does not have permission' do
+    before do
+      stub_licensed_features(iterations: true)
+    end
+
+    it_behaves_like 'a mutation that returns top-level errors',
+                    errors: ['The resource that you are attempting to access does not exist '\
+               'or you don\'t have permission to perform this action']
+
+    it 'does not create iteration' do
+      expect { post_graphql_mutation(mutation, current_user: current_user) }.not_to change(Iteration, :count)
+    end
+  end
+
+  context 'when the user has permission' do
+    before do
+      group.add_developer(current_user)
+    end
+
+    context 'when iterations are disabled' do
+      before do
+        stub_licensed_features(iterations: false)
+      end
+
+      it_behaves_like 'a mutation that returns top-level errors',
+                      errors: ['The resource that you are attempting to access does not '\
+                 'exist or you don\'t have permission to perform this action']
+    end
+
+    context 'when iterations are enabled' do
+      before do
+        stub_licensed_features(iterations: true)
+      end
+
+      it 'creates the iteration' do
+        post_graphql_mutation(mutation, current_user: current_user)
+
+        iteration_hash = mutation_response['iteration']
+        aggregate_failures do
+          expect(iteration_hash['title']).to eq('title')
+          expect(iteration_hash['description']).to eq('some description')
+          expect(iteration_hash['startDate']).to eq(start_date)
+          expect(iteration_hash['dueDate']).to eq(end_date)
+        end
+      end
+
+      context 'when there are ActiveRecord validation errors' do
+        let(:attributes) { { title: '' } }
+
+        it_behaves_like 'a mutation that returns errors in the response',
+                        errors: ["Title can't be blank", "Start date can't be blank", "Due date can't be blank"]
+
+        it 'does not create the iteration' do
+          expect { post_graphql_mutation(mutation, current_user: current_user) }.not_to change(Iteration, :count)
+        end
+      end
+
+      context 'when the list of attributes is empty' do
+        let(:attributes) { {} }
+
+        it_behaves_like 'a mutation that returns top-level errors',
+                        errors: ['The list of iteration attributes is empty']
+
+        it 'does not create the iteration' do
+          expect { post_graphql_mutation(mutation, current_user: current_user) }.not_to change(Iteration, :count)
+        end
+      end
+    end
+  end
+end

ee/spec/services/iterations/create_service_spec.rb

@@ -19,7 +19,9 @@ describe Iterations::CreateService do
         let(:params) do
           {
               title: 'v2.1.9',
-              description: 'Patch release to fix security issue'
+              description: 'Patch release to fix security issue',
+              start_date: Time.now.to_s,
+              due_date: 1.day.from_now.to_s
           }
         end
 
@@ -44,7 +46,7 @@ describe Iterations::CreateService do
 
           it 'does not create an iteration but returns errors' do
             expect(response.error?).to be_truthy
-            expect(errors.messages).to match({ title: ["can't be blank"] })
+            expect(errors.messages).to match({ title: ["can't be blank"], due_date: ["can't be blank"], start_date: ["can't be blank"] })
           end
         end
 

lib/gitlab/graphql/pagination/keyset/order_info.rb

@@ -40,6 +40,8 @@ module Gitlab
             end
 
             if order_list.count > 2
+              # Keep in mind an order clause for primary key is added if one is not present
+              # lib/gitlab/graphql/pagination/keyset/connection.rb:97
               raise ArgumentError.new('A maximum of 2 ordering fields are allowed')
             end
 

locale/gitlab.pot

@@ -11957,6 +11957,18 @@ msgstr ""
 msgid "It's you"
 msgstr ""
 
+msgid "Iterations"
+msgstr ""
+
+msgid "Iteration|Dates cannot overlap with other existing Iterations"
+msgstr ""
+
+msgid "Iteration|cannot be in the past"
+msgstr ""
+
+msgid "Iteration|cannot be more than 500 years in the future"
+msgstr ""
+
 msgid "Jaeger URL"
 msgstr ""
 
@@ -13907,6 +13919,9 @@ msgid_plural "New Issues"
 msgstr[0] ""
 msgstr[1] ""
 
+msgid "New Iteration"
+msgstr ""
+
 msgid "New Jira import"
 msgstr ""
 

spec/factories/iterations.rb

 # frozen_string_literal: true
 
 FactoryBot.define do
+  sequence(:sequential_date) do |n|
+    n.days.from_now
+  end
+
   factory :iteration do
     title
+    start_date { generate(:sequential_date) }
+    due_date { generate(:sequential_date) }
 
     transient do
       project { nil }
@@ -12,17 +18,22 @@ FactoryBot.define do
       resource_parent { nil }
     end
 
-    trait :active do
-      state { Iteration::STATE_ID_MAP[:active] }
+    trait :upcoming do
+      state_enum { Iteration::STATE_ENUM_MAP[:upcoming] }
+    end
+
+    trait :started do
+      state_enum { Iteration::STATE_ENUM_MAP[:started] }
     end
 
     trait :closed do
-      state { Iteration::STATE_ID_MAP[:closed] }
+      state_enum { Iteration::STATE_ENUM_MAP[:closed] }
     end
 
-    trait :with_dates do
-      start_date { Date.new(2000, 1, 1) }
-      due_date { Date.new(2000, 1, 30) }
+    trait(:skip_future_date_validation) do
+      after(:stub, :build) do |iteration|
+        iteration.skip_future_date_validation = true
+      end
     end
 
     after(:build, :stub) do |iteration, evaluator|
@@ -42,7 +53,8 @@ FactoryBot.define do
       end
     end
 
-    factory :active_iteration, traits: [:active]
+    factory :upcoming_iteration, traits: [:upcoming]
+    factory :started_iteration, traits: [:started]
     factory :closed_iteration, traits: [:closed]
   end
 end

spec/models/iteration_spec.rb

@@ -3,14 +3,14 @@
 require 'spec_helper'
 
 describe Iteration do
+  let_it_be(:project) { create(:project) }
+  let_it_be(:group) { create(:group) }
+
   it_behaves_like 'a timebox', :iteration do
     let(:timebox_table_name) { described_class.table_name.to_sym }
   end
 
   describe "#iid" do
-    let!(:project) { create(:project) }
-    let!(:group) { create(:group) }
-
     it "is properly scoped on project and group" do
       iteration1 = create(:iteration, project: project)
       iteration2 = create(:iteration, project: project)
@@ -35,4 +35,136 @@ describe Iteration do
       expect(got).to eq(want)
     end
   end
+
+  context 'Validations' do
+    subject { build(:iteration, group: group, start_date: start_date, due_date: due_date) }
+
+    describe '#dates_do_not_overlap' do
+      let_it_be(:existing_iteration) { create(:iteration, group: group, start_date: 4.days.from_now, due_date: 1.week.from_now) }
+
+      context 'when no Iteration dates overlap' do
+        let(:start_date) { 2.weeks.from_now }
+        let(:due_date) { 3.weeks.from_now }
+
+        it { is_expected.to be_valid }
+      end
+
+      context 'when dates overlap' do
+        context 'same group' do
+          context 'when start_date is in range' do
+            let(:start_date) { 5.days.from_now }
+            let(:due_date) { 3.weeks.from_now }
+
+            it 'is not valid' do
+              expect(subject).not_to be_valid
+              expect(subject.errors[:base]).to include('Dates cannot overlap with other existing Iterations')
+            end
+          end
+
+          context 'when end_date is in range' do
+            let(:start_date) { Time.now }
+            let(:due_date) { 6.days.from_now }
+
+            it 'is not valid' do
+              expect(subject).not_to be_valid
+              expect(subject.errors[:base]).to include('Dates cannot overlap with other existing Iterations')
+            end
+          end
+
+          context 'when both overlap' do
+            let(:start_date) { 5.days.from_now }
+            let(:due_date) { 6.days.from_now }
+
+            it 'is not valid' do
+              expect(subject).not_to be_valid
+              expect(subject.errors[:base]).to include('Dates cannot overlap with other existing Iterations')
+            end
+          end
+        end
+
+        context 'different group' do
+          let(:start_date) { 5.days.from_now }
+          let(:due_date) { 6.days.from_now }
+          let(:group) { create(:group) }
+
+          it { is_expected.to be_valid }
+        end
+      end
+    end
+
+    describe '#future_date' do
+      context 'when dates are in the future' do
+        let(:start_date) { Time.now }
+        let(:due_date) { 1.week.from_now }
+
+        it { is_expected.to be_valid }
+      end
+
+      context 'when start_date is in the past' do
+        let(:start_date) { 1.week.ago }
+        let(:due_date) { 1.week.from_now }
+
+        it 'is not valid' do
+          expect(subject).not_to be_valid
+          expect(subject.errors[:start_date]).to include('cannot be in the past')
+        end
+      end
+
+      context 'when due_date is in the past' do
+        let(:start_date) { Time.now }
+        let(:due_date) { 1.week.ago }
+
+        it 'is not valid' do
+          expect(subject).not_to be_valid
+          expect(subject.errors[:due_date]).to include('cannot be in the past')
+        end
+      end
+
+      context 'when start_date is over 500 years in the future' do
+        let(:start_date) { 501.years.from_now }
+        let(:due_date) { Time.now }
+
+        it 'is not valid' do
+          expect(subject).not_to be_valid
+          expect(subject.errors[:start_date]).to include('cannot be more than 500 years in the future')
+        end
+      end
+
+      context 'when due_date is over 500 years in the future' do
+        let(:start_date) { Time.now }
+        let(:due_date) { 501.years.from_now }
+
+        it 'is not valid' do
+          expect(subject).not_to be_valid
+          expect(subject.errors[:due_date]).to include('cannot be more than 500 years in the future')
+        end
+      end
+    end
+  end
+
+  describe '.within_timeframe' do
+    let_it_be(:now) { Time.now }
+    let_it_be(:project) { create(:project, :empty_repo) }
+    let_it_be(:iteration_1) { create(:iteration, project: project, start_date: now, due_date: 1.day.from_now) }
+    let_it_be(:iteration_2) { create(:iteration, project: project, start_date: 2.days.from_now, due_date: 3.days.from_now) }
+    let_it_be(:iteration_3) { create(:iteration, project: project, start_date: 4.days.from_now, due_date: 1.week.from_now) }
+
+    it 'returns iterations with start_date and/or end_date between timeframe' do
+      iterations = described_class.within_timeframe(2.days.from_now, 3.days.from_now)
+
+      expect(iterations).to match_array([iteration_2])
+    end
+
+    it 'returns iterations which starts before the timeframe' do
+      iterations = described_class.within_timeframe(1.day.from_now, 3.days.from_now)
+
+      expect(iterations).to match_array([iteration_1, iteration_2])
+    end
+
+    it 'returns iterations which ends after the timeframe' do
+      iterations = described_class.within_timeframe(3.days.from_now, 5.days.from_now)
+
+      expect(iterations).to match_array([iteration_2, iteration_3])
+    end
+  end
 end

spec/support/shared_examples/models/concerns/timebox_shared_examples.rb

@@ -84,13 +84,14 @@ RSpec.shared_examples 'a timebox' do |timebox_type|
     describe "#uniqueness_of_title" do
       context "per project" do
         it "does not accept the same title in a project twice" do
-          new_timebox = described_class.new(project: timebox.project, title: timebox.title)
+          new_timebox = timebox.dup
           expect(new_timebox).not_to be_valid
         end
 
         it "accepts the same title in another project" do
           project = create(:project)
-          new_timebox = described_class.new(project: project, title: timebox.title)
+          new_timebox = timebox.dup
+          new_timebox.project = project
 
           expect(new_timebox).to be_valid
         end
@@ -231,15 +232,6 @@ RSpec.shared_examples 'a timebox' do |timebox_type|
     end
   end
 
-  it_behaves_like 'within_timeframe scope' do
-    let_it_be(:now) { Time.now }
-    let_it_be(:project) { create(:project, :empty_repo) }
-    let_it_be(:resource_1) { create(timebox_type, project: project, start_date: now - 1.day, due_date: now + 1.day) }
-    let_it_be(:resource_2) { create(timebox_type, project: project, start_date: now + 2.days, due_date: now + 3.days) }
-    let_it_be(:resource_3) { create(timebox_type, project: project, due_date: now) }
-    let_it_be(:resource_4) { create(timebox_type, project: project, start_date: now) }
-  end
-
   describe '#to_ability_name' do
     it 'returns timebox' do
       timebox = build(timebox_type)