Merge branch '350200-add-work-item-types-to-project-type' into 'master'

Add workItemTypes field to ProjectType in GraphQL

See merge request gitlab-org/gitlab!78137

app/graphql/resolvers/work_items/types_resolver.rb

@@ -6,8 +6,8 @@ module Resolvers
       type Types::WorkItems::TypeType.connection_type, null: true
 
       def resolve
-        # This will require a finder in the future when groups get their work item types
-        # All groups use the default types for now
+        # This will require a finder in the future when groups/projects get their work item types
+        # All groups/projects use the default types for now
         ::WorkItems::Type.default.order_by_name_asc
       end
     end

app/graphql/types/project_type.rb

@@ -406,6 +406,11 @@ module Types
           description: 'Labels available on this project.',
           resolver: Resolvers::LabelsResolver
 
+    field :work_item_types, Types::WorkItems::TypeType.connection_type,
+          resolver: Resolvers::WorkItems::TypesResolver,
+          description: 'Work item types available to the project.',
+          feature_flag: :work_items
+
     def avatar_url
       object.avatar_url(only_path: false)
     end

doc/api/graphql/reference/index.md

@@ -13224,6 +13224,7 @@ Represents vulnerability finding of a security report on the pipeline.
 | <a id="projectvulnerabilityscanners"></a>`vulnerabilityScanners` | [`VulnerabilityScannerConnection`](#vulnerabilityscannerconnection) | Vulnerability scanners reported on the project vulnerabilities. (see [Connections](#connections)) |
 | <a id="projectweburl"></a>`webUrl` | [`String`](#string) | Web URL of the project. |
 | <a id="projectwikienabled"></a>`wikiEnabled` | [`Boolean`](#boolean) | Indicates if Wikis are enabled for the current user. |
+| <a id="projectworkitemtypes"></a>`workItemTypes` | [`WorkItemTypeConnection`](#workitemtypeconnection) | Work item types available to the project. Available only when feature flag `work_items` is enabled. This flag is disabled by default, because the feature is experimental and is subject to change without notice. (see [Connections](#connections)) |
 
 #### Fields with arguments
 

spec/graphql/types/group_type_spec.rb

@@ -22,7 +22,7 @@ RSpec.describe GitlabSchema.types['Group'] do
       dependency_proxy_blobs dependency_proxy_image_count
       dependency_proxy_blob_count dependency_proxy_total_size
       dependency_proxy_image_prefix dependency_proxy_image_ttl_policy
-      shared_runners_setting timelogs organizations contacts
+      shared_runners_setting timelogs organizations contacts work_item_types
     ]
 
     expect(described_class).to include_graphql_fields(*expected_fields)

spec/graphql/types/project_type_spec.rb

@@ -34,7 +34,7 @@ RSpec.describe GitlabSchema.types['Project'] do
       container_repositories container_repositories_count
       pipeline_analytics squash_read_only sast_ci_configuration
       cluster_agent cluster_agents agent_configurations
-      ci_template timelogs merge_commit_template squash_commit_template
+      ci_template timelogs merge_commit_template squash_commit_template work_item_types
     ]
 
     expect(described_class).to include_graphql_fields(*expected_fields)

spec/requests/api/graphql/project/work_item_types_spec.rb

+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe 'getting a list of work item types for a project' do
+  include GraphqlHelpers
+
+  let_it_be(:developer) { create(:user) }
+  let_it_be(:project) { create(:project) }
+
+  before_all do
+    project.add_developer(developer)
+  end
+
+  let(:current_user) { developer }
+
+  let(:fields) do
+    <<~GRAPHQL
+      workItemTypes{
+        nodes { id name iconName }
+      }
+    GRAPHQL
+  end
+
+  let(:query) do
+    graphql_query_for(
+      'project',
+      { 'fullPath' => project.full_path },
+      fields
+    )
+  end
+
+  context 'when user has access to the project' do
+    before do
+      post_graphql(query, current_user: current_user)
+    end
+
+    it_behaves_like 'a working graphql query'
+
+    it 'returns all default work item types' do
+      expect(graphql_data.dig('project', 'workItemTypes', 'nodes')).to match_array(
+        WorkItems::Type.default.map do |type|
+          hash_including('id' => type.to_global_id.to_s, 'name' => type.name, 'iconName' => type.icon_name)
+        end
+      )
+    end
+  end
+
+  context "when user doesn't have access to the project" do
+    let(:current_user) { create(:user) }
+
+    before do
+      post_graphql(query, current_user: current_user)
+    end
+
+    it 'does not return the project' do
+      expect(graphql_data).to eq('project' => nil)
+    end
+  end
+
+  context 'when the work_items feature flag is disabled' do
+    before do
+      stub_feature_flags(work_items: false)
+      post_graphql(query, current_user: current_user)
+    end
+
+    it 'makes the workItemTypes field unavailable' do
+      expect(graphql_errors).to contain_exactly(hash_including("message" => "Field 'workItemTypes' doesn't exist on type 'Project'"))
+    end
+  end
+end