Allow to filter requirements by status on GraphQL

Allow to filter requirementsby  passed or failed
status on graphql.

doc/api/graphql/reference/gitlab_schema.graphql

@@ -19733,6 +19733,11 @@ type Project {
     """
     iids: [ID!]
 
+    """
+    The state of latest requirement test report.
+    """
+    lastTestReportState: TestReportState
+
     """
     Search query for requirement title.
     """
@@ -19793,6 +19798,11 @@ type Project {
     """
     last: Int
 
+    """
+    The state of latest requirement test report.
+    """
+    lastTestReportState: TestReportState
+
     """
     Search query for requirement title.
     """

doc/api/graphql/reference/gitlab_schema.json

@@ -57430,6 +57430,16 @@
                     }
                   },
                   "defaultValue": null
+                },
+                {
+                  "name": "lastTestReportState",
+                  "description": "The state of latest requirement test report.",
+                  "type": {
+                    "kind": "ENUM",
+                    "name": "TestReportState",
+                    "ofType": null
+                  },
+                  "defaultValue": null
                 }
               ],
               "type": {
@@ -57534,6 +57544,16 @@
                   },
                   "defaultValue": null
                 },
+                {
+                  "name": "lastTestReportState",
+                  "description": "The state of latest requirement test report.",
+                  "type": {
+                    "kind": "ENUM",
+                    "name": "TestReportState",
+                    "ofType": null
+                  },
+                  "defaultValue": null
+                },
                 {
                   "name": "after",
                   "description": "Returns the elements in the list that come after the specified cursor.",

ee/app/finders/requirements_management/requirements_finder.rb

@@ -22,6 +22,7 @@ module RequirementsManagement
       items = by_iid(items)
       items = by_author(items)
       items = by_search(items)
+      items = by_last_test_report_state(items)
 
       sort(items)
     end
@@ -58,6 +59,12 @@ module RequirementsManagement
       items.with_author(authors)
     end
 
+    def by_last_test_report_state(items)
+      return items unless params[:last_test_report_state]
+
+      items.with_last_test_report_state(params[:last_test_report_state])
+    end
+
     def get_authors(username_param)
       # Save a DB hit if the current_user is the only author, or there are none.
       return current_user if [username_param].flatten == [current_user&.username]

ee/app/graphql/resolvers/requirements_management/requirements_resolver.rb

@@ -16,6 +16,10 @@ module Resolvers
                required: false,
                description: 'List of IIDs of requirements, e.g., [1, 2].'
 
+      argument :last_test_report_state, ::Types::RequirementsManagement::TestReportStateEnum,
+               required: false,
+               description: 'The state of latest requirement test report.'
+
       def resolve_with_lookahead(**args)
         # The project could have been loaded in batch by `BatchLoader`.
         # At this point we need the `id` of the project to query for issues, so

ee/app/models/requirements_management/requirement.rb

@@ -37,6 +37,22 @@ module RequirementsManagement
     scope :with_author, -> (user) { where(author: user) }
     scope :counts_by_state, -> { group(:state).count }
 
+    # Used to filter requirements by latest test report state
+    scope :include_last_test_report_with_state, -> do
+      joins(
+        "INNER JOIN LATERAL (
+           SELECT DISTINCT ON (requirement_id) requirement_id, state
+           FROM requirements_management_test_reports
+           WHERE requirement_id = requirements.id
+           ORDER BY requirement_id, created_at DESC LIMIT 1
+        ) AS test_reports ON true"
+      )
+    end
+
+    scope :with_last_test_report_state, -> (state) do
+      include_last_test_report_with_state.where( test_reports: { state: state } )
+    end
+
     class << self
       # Searches for records with a matching title.
       #

ee/changelogs/unreleased/issue_224614-allow_filter_requirements_by_status.yml

+---
+title: Allow to filter requirements by latest requirement test report status on GraphQL
+merge_request: 53767
+author:
+type: added

ee/spec/finders/requirements_management/requirements_finder_spec.rb

@@ -51,6 +51,19 @@ RSpec.describe RequirementsManagement::RequirementsFinder do
         end
       end
 
+      context 'when last_test_report_state is set' do
+        let(:params) { { project_id: project.id, last_test_report_state: 'passed' } }
+
+        it 'returns matched requirements' do
+          create(:test_report, state: :passed)
+          create(:test_report, requirement: requirement1, state: :failed)
+          create(:test_report, requirement: requirement1, state: :passed)
+          create(:test_report, requirement: requirement3, state: :passed)
+
+          is_expected.to match_array([requirement1, requirement3])
+        end
+      end
+
       context 'when user can not read requirements in the project' do
         let(:user) { create(:user) }
         let(:params) { { project_id: project.id } }

ee/spec/graphql/resolvers/requirements_management/requirements_resolver_spec.rb

@@ -42,6 +42,15 @@ RSpec.describe Resolvers::RequirementsManagement::RequirementsResolver do
         expect(resolve_requirements(iids: [requirement1.iid, requirement3.iid])).to contain_exactly(requirement1, requirement3)
       end
 
+      it 'filters by last test report state' do
+        create(:test_report, state: :failed)
+        create(:test_report, requirement: requirement1, state: :passed)
+        create(:test_report, requirement: requirement1, state: :failed)
+        create(:test_report, requirement: requirement3, state: :failed)
+
+        expect(resolve_requirements(last_test_report_state: 'failed')).to contain_exactly(requirement1, requirement3)
+      end
+
       describe 'sorting' do
         context 'when sorting by created_at' do
           it 'sorts requirements ascending' do

ee/spec/models/requirements_management/requirement_spec.rb

@@ -76,6 +76,34 @@ RSpec.describe RequirementsManagement::Requirement do
         it { is_expected.to contain_exactly(requirement_one) }
       end
     end
+
+    describe '.with_last_test_report_state' do
+      let_it_be(:requirement1) { create(:requirement) }
+      let_it_be(:requirement2) { create(:requirement) }
+      let_it_be(:requirement3) { create(:requirement) }
+
+      before do
+        create(:test_report, requirement: requirement1, state: :passed)
+        create(:test_report, requirement: requirement1, state: :failed)
+        create(:test_report, requirement: requirement2, state: :failed)
+        create(:test_report, requirement: requirement2, state: :passed)
+        create(:test_report, requirement: requirement3, state: :passed)
+      end
+
+      subject { described_class.with_last_test_report_state(state) }
+
+      context 'for passed state' do
+        let(:state) { 'passed' }
+
+        it { is_expected.to contain_exactly(requirement2, requirement3) }
+      end
+
+      context 'for failed state' do
+        let(:state) { 'failed' }
+
+        it { is_expected.to contain_exactly(requirement1) }
+      end
+    end
   end
 
   describe '#last_test_report_state' do

ee/spec/requests/api/graphql/project/requirements_management/requirements_spec.rb

@@ -95,6 +95,10 @@ RSpec.describe 'getting a requirement list for a project' do
       let_it_be(:requirement2) { create(:requirement, project: filter_project, author: other_user, title: 'something about kubernetes') }
 
       before do
+        create(:test_report, requirement: requirement1, state: :failed)
+        create(:test_report, requirement: requirement1, state: :passed)
+        create(:test_report, requirement: requirement2, state: :failed)
+
         post_graphql(query, current_user: current_user)
       end
 
@@ -156,6 +160,16 @@ RSpec.describe 'getting a requirement list for a project' do
           match_single_result(requirement2)
         end
       end
+
+      context 'when given lastTestReportState' do
+        let(:params) { '(lastTestReportState: PASSED)' }
+
+        it 'returns filtered requirements' do
+          expect(graphql_errors).to be_nil
+
+          match_single_result(requirement1)
+        end
+      end
     end
 
     describe 'sorting and pagination' do