Add Prevent users from modifying MR approval rules checkbox

- Add a new checkbox to group settings > MR approval
- Update the group approvals store to handle the new setting
- Update specs for new setting

ee/app/assets/javascripts/approvals/components/approval_settings.vue

@@ -35,11 +35,13 @@ export default {
   links: {
     preventAuthorApprovalDocsAnchor:
       'allowing-merge-request-authors-to-approve-their-own-merge-requests',
+    preventMrApprovalRuleEditDocsAnchor: 'editing--overriding-approval-rules-per-merge-request',
     requireUserPasswordDocsAnchor: 'require-authentication-when-approving-a-merge-request',
     removeApprovalsOnPushDocsAnchor: 'resetting-approvals-on-push',
   },
   i18n: {
     authorApprovalLabel: __('Prevent MR approvals by the author.'),
+    preventMrApprovalRuleEditLabel: __('Prevent users from modifying MR approval rules.'),
     requireUserPasswordLabel: __('Require user password for approvals.'),
     removeApprovalsOnPushLabel: __(
       'Remove all approvals in a merge request when new commits are pushed to its source branch.',
@@ -58,6 +60,12 @@ export default {
         :anchor="$options.links.preventAuthorApprovalDocsAnchor"
         data-testid="prevent-author-approval"
       />
+      <approval-settings-checkbox
+        v-model="settings.preventMrApprovalRuleEdit"
+        :label="$options.i18n.preventMrApprovalRuleEditLabel"
+        :anchor="$options.links.preventMrApprovalRuleEditDocsAnchor"
+        data-testid="prevent-mr-approval-rule-edit"
+      />
       <approval-settings-checkbox
         v-model="settings.requireUserPassword"
         :label="$options.i18n.requireUserPasswordLabel"

ee/app/assets/javascripts/approvals/stores/modules/group_settings/actions.js

@@ -26,6 +26,7 @@ export const fetchSettings = ({ commit }, endpoint) => {
 export const updateSettings = ({ commit, state }, endpoint) => {
   const payload = {
     allow_author_approval: !state.settings.preventAuthorApproval,
+    allow_overrides_to_approver_list_per_merge_request: !state.settings.preventMrApprovalRuleEdit,
     require_password_to_approve: state.settings.requireUserPassword,
     retain_approvals_on_push: !state.settings.removeApprovalsOnPush,
   };

ee/app/assets/javascripts/approvals/stores/modules/group_settings/mutations.js

@@ -6,6 +6,7 @@ export default {
   },
   [types.RECEIVE_SETTINGS_SUCCESS](state, data) {
     state.settings.preventAuthorApproval = !data.allow_author_approval;
+    state.settings.preventMrApprovalRuleEdit = !data.allow_overrides_to_approver_list_per_merge_request;
     state.settings.requireUserPassword = data.require_password_to_approve;
     state.settings.removeApprovalsOnPush = !data.retain_approvals_on_push;
     state.isLoading = false;
@@ -18,6 +19,7 @@ export default {
   },
   [types.UPDATE_SETTINGS_SUCCESS](state, data) {
     state.settings.preventAuthorApproval = !data.allow_author_approval;
+    state.settings.preventMrApprovalRuleEdit = !data.allow_overrides_to_approver_list_per_merge_request;
     state.settings.requireUserPassword = data.require_password_to_approve;
     state.settings.removeApprovalsOnPush = !data.retain_approvals_on_push;
     state.isLoading = false;

ee/spec/frontend/approvals/components/approval_settings_spec.js

@@ -52,6 +52,7 @@ describe('ApprovalSettings', () => {
   describe.each`
     testid                             | setting                        | label                                                                                          | anchor
     ${'prevent-author-approval'}       | ${'preventAuthorApproval'}     | ${'Prevent MR approvals by the author.'}                                                       | ${'allowing-merge-request-authors-to-approve-their-own-merge-requests'}
+    ${'prevent-mr-approval-rule-edit'} | ${'preventMrApprovalRuleEdit'} | ${'Prevent users from modifying MR approval rules.'}                                           | ${'editing--overriding-approval-rules-per-merge-request'}
     ${'require-user-password'}         | ${'requireUserPassword'}       | ${'Require user password for approvals.'}                                                      | ${'require-authentication-when-approving-a-merge-request'}
     ${'remove-approvals-on-push'}      | ${'removeApprovalsOnPush'}     | ${'Remove all approvals in a merge request when new commits are pushed to its source branch.'} | ${'resetting-approvals-on-push'}
   `('with $testid checkbox', ({ testid, setting, label, anchor }) => {

ee/spec/frontend/approvals/stores/modules/group_settings/actions_spec.js

@@ -74,6 +74,7 @@ describe('EE approvals group settings module actions', () => {
       state = {
         settings: {
           preventAuthorApproval: false,
+          preventMrApprovalRuleEdit: false,
           requireUserPassword: false,
           removeApprovalsOnPush: false,
         },
@@ -84,6 +85,7 @@ describe('EE approvals group settings module actions', () => {
       it('dispatches the request and updates payload', () => {
         const data = {
           allow_author_approval: true,
+          allow_overrides_to_approver_list_per_merge_request: true,
           require_password_to_approve: true,
           retain_approvals_on_push: true,
         };

ee/spec/frontend/approvals/stores/modules/group_settings/mutations_spec.js

@@ -20,11 +20,13 @@ describe('Group settings store mutations', () => {
     it('updates settings', () => {
       mutations.RECEIVE_SETTINGS_SUCCESS(state, {
         allow_author_approval: true,
+        allow_overrides_to_approver_list_per_merge_request: true,
         require_password_to_approve: true,
         retain_approvals_on_push: true,
       });
 
       expect(state.settings.preventAuthorApproval).toBe(false);
+      expect(state.settings.preventMrApprovalRuleEdit).toBe(false);
       expect(state.settings.requireUserPassword).toBe(true);
       expect(state.settings.removeApprovalsOnPush).toBe(false);
       expect(state.isLoading).toBe(false);
@@ -51,11 +53,13 @@ describe('Group settings store mutations', () => {
     it('updates settings', () => {
       mutations.UPDATE_SETTINGS_SUCCESS(state, {
         allow_author_approval: true,
+        allow_overrides_to_approver_list_per_merge_request: true,
         require_password_to_approve: true,
         retain_approvals_on_push: true,
       });
 
       expect(state.settings.preventAuthorApproval).toBe(false);
+      expect(state.settings.preventMrApprovalRuleEdit).toBe(false);
       expect(state.settings.requireUserPassword).toBe(true);
       expect(state.settings.removeApprovalsOnPush).toBe(false);
       expect(state.isLoading).toBe(false);

locale/gitlab.pot

@@ -23300,6 +23300,9 @@ msgstr ""
 msgid "Prevent users from modifying MR approval rules in projects and merge requests."
 msgstr ""
 
+msgid "Prevent users from modifying MR approval rules."
+msgstr ""
+
 msgid "Prevent users from performing write operations on GitLab while performing maintenance."
 msgstr ""