Refactor package settings to own component

app/assets/javascripts/packages_and_registries/dependency_proxy/app.vue

 <script>
 import { GlAlert, GlFormGroup, GlFormInputGroup, GlSkeletonLoader, GlSprintf } from '@gitlab/ui';
-import { helpPagePath } from '~/helpers/help_page_helper';
 import { __ } from '~/locale';
 import ClipboardButton from '~/vue_shared/components/clipboard_button.vue';
 import TitleArea from '~/vue_shared/components/registry/title_area.vue';
+import {
+  DEPENDENCY_PROXY_SETTINGS_DESCRIPTION,
+  DEPENDENCY_PROXY_DOCS_PATH,
+} from '~/packages_and_registries/settings/group/constants';
 
 import getDependencyProxyDetailsQuery from '~/packages_and_registries/dependency_proxy/graphql/queries/get_dependency_proxy_details.query.graphql';
 
@@ -19,9 +22,6 @@ export default {
   },
   inject: ['groupPath', 'dependencyProxyAvailable'],
   i18n: {
-    subTitle: __(
-      'Create a local proxy for storing frequently used upstream images. %{docLinkStart}Learn more%{docLinkEnd} about dependency proxies.',
-    ),
     proxyNotAvailableText: __('Dependency proxy feature is limited to public groups for now.'),
     proxyImagePrefix: __('Dependency proxy image prefix'),
     copyImagePrefixText: __('Copy prefix'),
@@ -47,8 +47,8 @@ export default {
     infoMessages() {
       return [
         {
-          text: this.$options.i18n.subTitle,
-          link: helpPagePath('user/packages/dependency_proxy/index'),
+          text: DEPENDENCY_PROXY_SETTINGS_DESCRIPTION,
+          link: DEPENDENCY_PROXY_DOCS_PATH,
         },
       ];
     },

app/assets/javascripts/packages_and_registries/settings/group/components/group_settings_app.vue

 <script>
-import { GlSprintf, GlLink, GlAlert } from '@gitlab/ui';
-import DuplicatesSettings from '~/packages_and_registries/settings/group/components/duplicates_settings.vue';
-import GenericSettings from '~/packages_and_registries/settings/group/components/generic_settings.vue';
-import MavenSettings from '~/packages_and_registries/settings/group/components/maven_settings.vue';
+import { GlAlert } from '@gitlab/ui';
 import {
-  PACKAGE_SETTINGS_HEADER,
-  PACKAGE_SETTINGS_DESCRIPTION,
-  PACKAGES_DOCS_PATH,
   ERROR_UPDATING_SETTINGS,
   SUCCESS_UPDATING_SETTINGS,
 } from '~/packages_and_registries/settings/group/constants';
-import updateNamespacePackageSettings from '~/packages_and_registries/settings/group/graphql/mutations/update_group_packages_settings.mutation.graphql';
+import PackagesSettings from '~/packages_and_registries/settings/group/components/packages_settings.vue';
+
 import getGroupPackagesSettingsQuery from '~/packages_and_registries/settings/group/graphql/queries/get_group_packages_settings.query.graphql';
-import { updateGroupPackageSettings } from '~/packages_and_registries/settings/group/graphql/utils/cache_update';
-import { updateGroupPackagesSettingsOptimisticResponse } from '~/packages_and_registries/settings/group/graphql/utils/optimistic_responses';
-import SettingsBlock from '~/vue_shared/components/settings/settings_block.vue';
 
 export default {
   name: 'GroupSettingsApp',
-  i18n: {
-    PACKAGE_SETTINGS_HEADER,
-    PACKAGE_SETTINGS_DESCRIPTION,
-  },
-  links: {
-    PACKAGES_DOCS_PATH,
-  },
   components: {
     GlAlert,
-    GlSprintf,
-    GlLink,
-    SettingsBlock,
-    MavenSettings,
-    GenericSettings,
-    DuplicatesSettings,
+    PackagesSettings,
   },
-  inject: ['defaultExpanded', 'groupPath'],
+  inject: ['groupPath'],
   apollo: {
-    packageSettings: {
+    group: {
       query: getGroupPackagesSettingsQuery,
       variables() {
         return {
           fullPath: this.groupPath,
         };
       },
-      update(data) {
-        return data.group?.packageSettings;
-      },
     },
   },
   data() {
     return {
-      packageSettings: {},
-      errors: {},
+      group: {},
       alertMessage: null,
     };
   },
   computed: {
+    packageSettings() {
+      return this.group?.packageSettings || {};
+    },
     isLoading() {
-      return this.$apollo.queries.packageSettings.loading;
+      return this.$apollo.queries.group.loading;
     },
   },
   methods: {
     dismissAlert() {
       this.alertMessage = null;
     },
-    updateSettings(payload) {
-      this.errors = {};
-      return this.$apollo
-        .mutate({
-          mutation: updateNamespacePackageSettings,
-          variables: {
-            input: {
-              namespacePath: this.groupPath,
-              ...payload,
-            },
-          },
-          update: updateGroupPackageSettings(this.groupPath),
-          optimisticResponse: updateGroupPackagesSettingsOptimisticResponse({
-            ...this.packageSettings,
-            ...payload,
-          }),
-        })
-        .then(({ data }) => {
-          if (data.updateNamespacePackageSettings?.errors?.length > 0) {
-            this.alertMessage = ERROR_UPDATING_SETTINGS;
-          } else {
-            this.dismissAlert();
+    handleSuccess() {
       this.$toast.show(SUCCESS_UPDATING_SETTINGS);
-          }
-        })
-        .catch((e) => {
-          if (e.graphQLErrors) {
-            e.graphQLErrors.forEach((error) => {
-              const [
-                {
-                  path: [key],
-                  message,
+      this.dismissAlert();
     },
-              ] = error.extensions.problems;
-              this.errors = { ...this.errors, [key]: message };
-            });
-          }
+    handleError() {
       this.alertMessage = ERROR_UPDATING_SETTINGS;
-        });
     },
   },
 };
@@ -114,50 +60,11 @@ export default {
       {{ alertMessage }}
     </gl-alert>
 
-    <settings-block
-      :default-expanded="defaultExpanded"
-      data-qa-selector="package_registry_settings_content"
-    >
-      <template #title> {{ $options.i18n.PACKAGE_SETTINGS_HEADER }}</template>
-      <template #description>
-        <span data-testid="description">
-          <gl-sprintf :message="$options.i18n.PACKAGE_SETTINGS_DESCRIPTION">
-            <template #link="{ content }">
-              <gl-link :href="$options.links.PACKAGES_DOCS_PATH" target="_blank">{{
-                content
-              }}</gl-link>
-            </template>
-          </gl-sprintf>
-        </span>
-      </template>
-      <template #default>
-        <maven-settings data-testid="maven-settings">
-          <template #default="{ modelNames }">
-            <duplicates-settings
-              :duplicates-allowed="packageSettings.mavenDuplicatesAllowed"
-              :duplicate-exception-regex="packageSettings.mavenDuplicateExceptionRegex"
-              :duplicate-exception-regex-error="errors.mavenDuplicateExceptionRegex"
-              :model-names="modelNames"
-              :loading="isLoading"
-              toggle-qa-selector="allow_duplicates_toggle"
-              label-qa-selector="allow_duplicates_label"
-              @update="updateSettings"
-            />
-          </template>
-        </maven-settings>
-        <generic-settings class="gl-mt-6" data-testid="generic-settings">
-          <template #default="{ modelNames }">
-            <duplicates-settings
-              :duplicates-allowed="packageSettings.genericDuplicatesAllowed"
-              :duplicate-exception-regex="packageSettings.genericDuplicateExceptionRegex"
-              :duplicate-exception-regex-error="errors.genericDuplicateExceptionRegex"
-              :model-names="modelNames"
-              :loading="isLoading"
-              @update="updateSettings"
+    <packages-settings
+      :package-settings="packageSettings"
+      :is-loading="isLoading"
+      @success="handleSuccess"
+      @error="handleError"
     />
-          </template>
-        </generic-settings>
-      </template>
-    </settings-block>
   </div>
 </template>

app/assets/javascripts/packages_and_registries/settings/group/components/packages_settings.vue

+<script>
+import { GlSprintf, GlLink } from '@gitlab/ui';
+import DuplicatesSettings from '~/packages_and_registries/settings/group/components/duplicates_settings.vue';
+import GenericSettings from '~/packages_and_registries/settings/group/components/generic_settings.vue';
+import MavenSettings from '~/packages_and_registries/settings/group/components/maven_settings.vue';
+import {
+  PACKAGE_SETTINGS_HEADER,
+  PACKAGE_SETTINGS_DESCRIPTION,
+  PACKAGES_DOCS_PATH,
+} from '~/packages_and_registries/settings/group/constants';
+import updateNamespacePackageSettings from '~/packages_and_registries/settings/group/graphql/mutations/update_group_packages_settings.mutation.graphql';
+import { updateGroupPackageSettings } from '~/packages_and_registries/settings/group/graphql/utils/cache_update';
+import { updateGroupPackagesSettingsOptimisticResponse } from '~/packages_and_registries/settings/group/graphql/utils/optimistic_responses';
+import SettingsBlock from '~/vue_shared/components/settings/settings_block.vue';
+
+export default {
+  name: 'PackageSettings',
+  i18n: {
+    PACKAGE_SETTINGS_HEADER,
+    PACKAGE_SETTINGS_DESCRIPTION,
+  },
+  links: {
+    PACKAGES_DOCS_PATH,
+  },
+  components: {
+    GlSprintf,
+    GlLink,
+    SettingsBlock,
+    MavenSettings,
+    GenericSettings,
+    DuplicatesSettings,
+  },
+  inject: ['defaultExpanded', 'groupPath'],
+  props: {
+    packageSettings: {
+      type: Object,
+      required: true,
+    },
+    isLoading: {
+      type: Boolean,
+      required: false,
+      default: false,
+    },
+  },
+  data() {
+    return {
+      errors: {},
+    };
+  },
+  methods: {
+    async updateSettings(payload) {
+      this.errors = {};
+      try {
+        const { data } = await this.$apollo.mutate({
+          mutation: updateNamespacePackageSettings,
+          variables: {
+            input: {
+              namespacePath: this.groupPath,
+              ...payload,
+            },
+          },
+          update: updateGroupPackageSettings(this.groupPath),
+          optimisticResponse: updateGroupPackagesSettingsOptimisticResponse({
+            ...this.packageSettings,
+            ...payload,
+          }),
+        });
+
+        if (data.updateNamespacePackageSettings?.errors?.length > 0) {
+          throw new Error();
+        } else {
+          this.$emit('success');
+        }
+      } catch (e) {
+        if (e.graphQLErrors) {
+          e.graphQLErrors.forEach((error) => {
+            const [
+              {
+                path: [key],
+                message,
+              },
+            ] = error.extensions.problems;
+            this.errors = { ...this.errors, [key]: message };
+          });
+        }
+        this.$emit('error');
+      }
+    },
+  },
+};
+</script>
+
+<template>
+  <settings-block
+    :default-expanded="defaultExpanded"
+    data-qa-selector="package_registry_settings_content"
+  >
+    <template #title> {{ $options.i18n.PACKAGE_SETTINGS_HEADER }}</template>
+    <template #description>
+      <span data-testid="description">
+        <gl-sprintf :message="$options.i18n.PACKAGE_SETTINGS_DESCRIPTION">
+          <template #link="{ content }">
+            <gl-link :href="$options.links.PACKAGES_DOCS_PATH" target="_blank">{{
+              content
+            }}</gl-link>
+          </template>
+        </gl-sprintf>
+      </span>
+    </template>
+    <template #default>
+      <maven-settings data-testid="maven-settings">
+        <template #default="{ modelNames }">
+          <duplicates-settings
+            :duplicates-allowed="packageSettings.mavenDuplicatesAllowed"
+            :duplicate-exception-regex="packageSettings.mavenDuplicateExceptionRegex"
+            :duplicate-exception-regex-error="errors.mavenDuplicateExceptionRegex"
+            :model-names="modelNames"
+            :loading="isLoading"
+            toggle-qa-selector="allow_duplicates_toggle"
+            label-qa-selector="allow_duplicates_label"
+            @update="updateSettings"
+          />
+        </template>
+      </maven-settings>
+      <generic-settings class="gl-mt-6" data-testid="generic-settings">
+        <template #default="{ modelNames }">
+          <duplicates-settings
+            :duplicates-allowed="packageSettings.genericDuplicatesAllowed"
+            :duplicate-exception-regex="packageSettings.genericDuplicateExceptionRegex"
+            :duplicate-exception-regex-error="errors.genericDuplicateExceptionRegex"
+            :model-names="modelNames"
+            :loading="isLoading"
+            @update="updateSettings"
+          />
+        </template>
+      </generic-settings>
+    </template>
+  </settings-block>
+</template>

app/assets/javascripts/packages_and_registries/settings/group/constants.js

@@ -23,8 +23,15 @@ export const ERROR_UPDATING_SETTINGS = s__(
   'PackageRegistry|An error occurred while saving the settings',
 );
 
+export const DEPENDENCY_PROXY_HEADER = s__('DependencyProxy|Dependency Proxy');
+export const DEPENDENCY_PROXY_SETTINGS_DESCRIPTION = s__(
+  'DependencyProxy|Create a local proxy for storing frequently used upstream images. %{docLinkStart}Learn more%{docLinkEnd} about dependency proxies.',
+);
+
 // Parameters
 
 export const PACKAGES_DOCS_PATH = helpPagePath('user/packages');
 export const MAVEN_DUPLICATES_ALLOWED = 'mavenDuplicatesAllowed';
 export const MAVEN_DUPLICATE_EXCEPTION_REGEX = 'mavenDuplicateExceptionRegex';
+
+export const DEPENDENCY_PROXY_DOCS_PATH = helpPagePath('user/packages/dependency_proxy/index');

locale/gitlab.pot

@@ -9510,9 +9510,6 @@ msgstr ""
 msgid "Create a Mattermost team for this group"
 msgstr ""
 
-msgid "Create a local proxy for storing frequently used upstream images. %{docLinkStart}Learn more%{docLinkEnd} about dependency proxies."
-msgstr ""
-
 msgid "Create a local proxy for storing frequently used upstream images. %{link_start}Learn more%{link_end} about dependency proxies."
 msgstr ""
 
@@ -11160,6 +11157,12 @@ msgstr ""
 msgid "Dependency proxy image prefix"
 msgstr ""
 
+msgid "DependencyProxy|Create a local proxy for storing frequently used upstream images. %{docLinkStart}Learn more%{docLinkEnd} about dependency proxies."
+msgstr ""
+
+msgid "DependencyProxy|Dependency Proxy"
+msgstr ""
+
 msgid "DependencyProxy|Toggle Dependency Proxy"
 msgstr ""
 

qa/qa/page/group/settings/package_registries.rb

@@ -7,11 +7,11 @@ module QA
         class PackageRegistries < QA::Page::Base
           include ::QA::Page::Settings::Common
 
-          view 'app/assets/javascripts/packages_and_registries/settings/group/components/group_settings_app.vue' do
+          view 'app/assets/javascripts/packages_and_registries/settings/group/components/packages_settings.vue' do
             element :package_registry_settings_content
           end
 
-          view 'app/assets/javascripts/packages_and_registries/settings/group/components/group_settings_app.vue' do
+          view 'app/assets/javascripts/packages_and_registries/settings/group/components/packages_settings.vue' do
             element :allow_duplicates_toggle
             element :allow_duplicates_label
           end

spec/frontend/packages_and_registries/settings/group/components/package_settings_spec.js

+import { GlSprintf, GlLink } from '@gitlab/ui';
+import { createLocalVue } from '@vue/test-utils';
+import VueApollo from 'vue-apollo';
+import { shallowMountExtended } from 'helpers/vue_test_utils_helper';
+import createMockApollo from 'helpers/mock_apollo_helper';
+import waitForPromises from 'helpers/wait_for_promises';
+import DuplicatesSettings from '~/packages_and_registries/settings/group/components/duplicates_settings.vue';
+import GenericSettings from '~/packages_and_registries/settings/group/components/generic_settings.vue';
+import component from '~/packages_and_registries/settings/group/components/packages_settings.vue';
+import MavenSettings from '~/packages_and_registries/settings/group/components/maven_settings.vue';
+import {
+  PACKAGE_SETTINGS_HEADER,
+  PACKAGE_SETTINGS_DESCRIPTION,
+  PACKAGES_DOCS_PATH,
+} from '~/packages_and_registries/settings/group/constants';
+
+import updateNamespacePackageSettings from '~/packages_and_registries/settings/group/graphql/mutations/update_group_packages_settings.mutation.graphql';
+import getGroupPackagesSettingsQuery from '~/packages_and_registries/settings/group/graphql/queries/get_group_packages_settings.query.graphql';
+import SettingsBlock from '~/vue_shared/components/settings/settings_block.vue';
+import { updateGroupPackagesSettingsOptimisticResponse } from '~/packages_and_registries/settings/group/graphql/utils/optimistic_responses';
+import {
+  packageSettings,
+  groupPackageSettingsMock,
+  groupPackageSettingsMutationMock,
+  groupPackageSettingsMutationErrorMock,
+} from '../mock_data';
+
+jest.mock('~/flash');
+jest.mock('~/packages_and_registries/settings/group/graphql/utils/optimistic_responses');
+
+const localVue = createLocalVue();
+
+describe('Packages Settings', () => {
+  let wrapper;
+  let apolloProvider;
+
+  const defaultProvide = {
+    defaultExpanded: false,
+    groupPath: 'foo_group_path',
+  };
+
+  const mountComponent = ({
+    mutationResolver = jest.fn().mockResolvedValue(groupPackageSettingsMutationMock()),
+  } = {}) => {
+    localVue.use(VueApollo);
+
+    const requestHandlers = [[updateNamespacePackageSettings, mutationResolver]];
+
+    apolloProvider = createMockApollo(requestHandlers);
+
+    wrapper = shallowMountExtended(component, {
+      localVue,
+      apolloProvider,
+      provide: defaultProvide,
+      propsData: {
+        packageSettings: packageSettings(),
+      },
+      stubs: {
+        GlSprintf,
+        SettingsBlock,
+        MavenSettings,
+        GenericSettings,
+      },
+    });
+  };
+
+  afterEach(() => {
+    wrapper.destroy();
+  });
+
+  const findSettingsBlock = () => wrapper.findComponent(SettingsBlock);
+  const findDescription = () => wrapper.findByTestId('description');
+  const findLink = () => wrapper.findComponent(GlLink);
+  const findMavenSettings = () => wrapper.findComponent(MavenSettings);
+  const findMavenDuplicatedSettings = () => findMavenSettings().findComponent(DuplicatesSettings);
+  const findGenericSettings = () => wrapper.findComponent(GenericSettings);
+  const findGenericDuplicatedSettings = () =>
+    findGenericSettings().findComponent(DuplicatesSettings);
+
+  const fillApolloCache = () => {
+    apolloProvider.defaultClient.cache.writeQuery({
+      query: getGroupPackagesSettingsQuery,
+      variables: {
+        fullPath: defaultProvide.groupPath,
+      },
+      ...groupPackageSettingsMock,
+    });
+  };
+
+  const emitMavenSettingsUpdate = (override) => {
+    findMavenDuplicatedSettings().vm.$emit('update', {
+      mavenDuplicateExceptionRegex: ')',
+      ...override,
+    });
+  };
+
+  it('renders a settings block', () => {
+    mountComponent();
+
+    expect(findSettingsBlock().exists()).toBe(true);
+  });
+
+  it('passes the correct props to settings block', () => {
+    mountComponent();
+
+    expect(findSettingsBlock().props('defaultExpanded')).toBe(false);
+  });
+
+  it('has the correct header text', () => {
+    mountComponent();
+
+    expect(wrapper.text()).toContain(PACKAGE_SETTINGS_HEADER);
+  });
+
+  it('has the correct description text', () => {
+    mountComponent();
+
+    expect(findDescription().text()).toMatchInterpolatedText(PACKAGE_SETTINGS_DESCRIPTION);
+  });
+
+  it('has the correct link', () => {
+    mountComponent();
+
+    expect(findLink().attributes()).toMatchObject({
+      href: PACKAGES_DOCS_PATH,
+      target: '_blank',
+    });
+    expect(findLink().text()).toBe('Learn more.');
+  });
+
+  describe('maven settings', () => {
+    it('exists', () => {
+      mountComponent();
+
+      expect(findMavenSettings().exists()).toBe(true);
+    });
+
+    it('assigns duplication allowness and exception props', async () => {
+      mountComponent();
+
+      const { mavenDuplicatesAllowed, mavenDuplicateExceptionRegex } = packageSettings();
+
+      expect(findMavenDuplicatedSettings().props()).toMatchObject({
+        duplicatesAllowed: mavenDuplicatesAllowed,
+        duplicateExceptionRegex: mavenDuplicateExceptionRegex,
+        duplicateExceptionRegexError: '',
+        loading: false,
+      });
+    });
+
+    it('on update event calls the mutation', () => {
+      const mutationResolver = jest.fn().mockResolvedValue(groupPackageSettingsMutationMock());
+      mountComponent({ mutationResolver });
+
+      fillApolloCache();
+
+      emitMavenSettingsUpdate();
+
+      expect(mutationResolver).toHaveBeenCalledWith({
+        input: { mavenDuplicateExceptionRegex: ')', namespacePath: 'foo_group_path' },
+      });
+    });
+  });
+
+  describe('generic settings', () => {
+    it('exists', () => {
+      mountComponent();
+
+      expect(findGenericSettings().exists()).toBe(true);
+    });
+
+    it('assigns duplication allowness and exception props', async () => {
+      mountComponent();
+
+      const { genericDuplicatesAllowed, genericDuplicateExceptionRegex } = packageSettings();
+
+      expect(findGenericDuplicatedSettings().props()).toMatchObject({
+        duplicatesAllowed: genericDuplicatesAllowed,
+        duplicateExceptionRegex: genericDuplicateExceptionRegex,
+        duplicateExceptionRegexError: '',
+        loading: false,
+      });
+    });
+
+    it('on update event calls the mutation', async () => {
+      const mutationResolver = jest.fn().mockResolvedValue(groupPackageSettingsMutationMock());
+      mountComponent({ mutationResolver });
+
+      fillApolloCache();
+
+      findMavenDuplicatedSettings().vm.$emit('update', {
+        genericDuplicateExceptionRegex: ')',
+      });
+
+      expect(mutationResolver).toHaveBeenCalledWith({
+        input: { genericDuplicateExceptionRegex: ')', namespacePath: 'foo_group_path' },
+      });
+    });
+  });
+
+  describe('settings update', () => {
+    describe('success state', () => {
+      it('emits a success event', async () => {
+        mountComponent();
+
+        fillApolloCache();
+        emitMavenSettingsUpdate();
+
+        await waitForPromises();
+
+        expect(wrapper.emitted('success')).toEqual([[]]);
+      });
+
+      it('has an optimistic response', () => {
+        const mavenDuplicateExceptionRegex = 'latest[main]something';
+        mountComponent();
+
+        fillApolloCache();
+
+        expect(findMavenDuplicatedSettings().props('duplicateExceptionRegex')).toBe('');
+
+        emitMavenSettingsUpdate({ mavenDuplicateExceptionRegex });
+
+        expect(updateGroupPackagesSettingsOptimisticResponse).toHaveBeenCalledWith({
+          ...packageSettings(),
+          mavenDuplicateExceptionRegex,
+        });
+      });
+    });
+
+    describe('errors', () => {
+      it('mutation payload with root level errors', async () => {
+        // note this is a complex test that covers all the path around errors that are shown in the form
+        // it's one single it case, due to the expensive preparation and execution
+        const mutationResolver = jest.fn().mockResolvedValue(groupPackageSettingsMutationErrorMock);
+        mountComponent({ mutationResolver });
+
+        fillApolloCache();
+
+        emitMavenSettingsUpdate();
+
+        await waitForPromises();
+
+        // errors are bound to the component
+        expect(findMavenDuplicatedSettings().props('duplicateExceptionRegexError')).toBe(
+          groupPackageSettingsMutationErrorMock.errors[0].extensions.problems[0].message,
+        );
+
+        // general error message is shown
+
+        expect(wrapper.emitted('error')).toEqual([[]]);
+
+        emitMavenSettingsUpdate();
+
+        await wrapper.vm.$nextTick();
+
+        // errors are reset on mutation call
+        expect(findMavenDuplicatedSettings().props('duplicateExceptionRegexError')).toBe('');
+      });
+
+      it.each`
+        type         | mutationResolver
+        ${'local'}   | ${jest.fn().mockResolvedValue(groupPackageSettingsMutationMock({ errors: ['foo'] }))}
+        ${'network'} | ${jest.fn().mockRejectedValue()}
+      `('mutation payload with $type error', async ({ mutationResolver }) => {
+        mountComponent({ mutationResolver });
+
+        fillApolloCache();
+        emitMavenSettingsUpdate();
+
+        await waitForPromises();
+
+        expect(wrapper.emitted('error')).toEqual([[]]);
+      });
+    });
+  });
+});

spec/frontend/packages_and_registries/settings/group/mock_data.js

-export const groupPackageSettingsMock = {
-  data: {
-    group: {
-      packageSettings: {
+export const packageSettings = () => ({
   mavenDuplicatesAllowed: true,
   mavenDuplicateExceptionRegex: '',
   genericDuplicatesAllowed: true,
   genericDuplicateExceptionRegex: '',
-      },
+});
+
+export const groupPackageSettingsMock = {
+  data: {
+    group: {
+      fullPath: 'foo_group_path',
+      packageSettings: packageSettings(),
     },
   },
 };