Add latest changes from gitlab-org/gitlab@master

20 files changed, 343 insertions, 40 deletions

diff --git a/GITLAB_WORKHORSE_VERSION b/GITLAB_WORKHORSE_VERSION
index 72963fb08c2..426cb9d6d8c 100644
--- a/GITLAB_WORKHORSE_VERSION
+++ b/GITLAB_WORKHORSE_VERSION
@@ -1 +1 @@
-8.21.0
+8.22.0
diff --git a/app/assets/javascripts/blob/template_selector.js b/app/assets/javascripts/blob/template_selector.js
index b0de4dc8628..2427e25a17d 100644
--- a/app/assets/javascripts/blob/template_selector.js
+++ b/app/assets/javascripts/blob/template_selector.js
@@ -92,10 +92,10 @@ export default class TemplateSelector {
   }
 
   startLoadingSpinner() {
-    this.$dropdownIcon.addClass('fa-spinner fa-spin').removeClass('fa-chevron-down');
+    this.$dropdownIcon.addClass('spinner').removeClass('fa-chevron-down');
   }
 
   stopLoadingSpinner() {
-    this.$dropdownIcon.addClass('fa-chevron-down').removeClass('fa-spinner fa-spin');
+    this.$dropdownIcon.addClass('fa-chevron-down').removeClass('spinner');
   }
 }
diff --git a/app/assets/javascripts/clusters/clusters_bundle.js b/app/assets/javascripts/clusters/clusters_bundle.js
index b764348eb3c..d35dca7b939 100644
--- a/app/assets/javascripts/clusters/clusters_bundle.js
+++ b/app/assets/javascripts/clusters/clusters_bundle.js
@@ -255,6 +255,7 @@ export default class Clusters {
     eventHub.$on('setKnativeHostname', data => this.setKnativeHostname(data));
     eventHub.$on('uninstallApplication', data => this.uninstallApplication(data));
     eventHub.$on('setCrossplaneProviderStack', data => this.setCrossplaneProviderStack(data));
+    eventHub.$on('setIngressModSecurityEnabled', data => this.setIngressModSecurityEnabled(data));
     // Add event listener to all the banner close buttons
     this.addBannerCloseHandler(this.unreachableContainer, 'unreachable');
     this.addBannerCloseHandler(this.authenticationFailureContainer, 'authentication_failure');
@@ -268,6 +269,7 @@ export default class Clusters {
     eventHub.$off('setKnativeHostname');
     eventHub.$off('setCrossplaneProviderStack');
     eventHub.$off('uninstallApplication');
+    eventHub.$off('setIngressModSecurityEnabled');
   }
 
   initPolling(method, successCallback, errorCallback) {
@@ -513,6 +515,11 @@ export default class Clusters {
     this.store.updateAppProperty(appId, 'validationError', null);
   }
 
+  setIngressModSecurityEnabled({ id, modSecurityEnabled }) {
+    this.store.updateAppProperty(id, 'isEditingModSecurityEnabled', true);
+    this.store.updateAppProperty(id, 'modsecurity_enabled', modSecurityEnabled);
+  }
+
   destroy() {
     this.destroyed = true;
 
diff --git a/app/assets/javascripts/clusters/components/applications.vue b/app/assets/javascripts/clusters/components/applications.vue
index fe2ad562ad5..9429e10e6ed 100644
--- a/app/assets/javascripts/clusters/components/applications.vue
+++ b/app/assets/javascripts/clusters/components/applications.vue
@@ -21,6 +21,7 @@ import KnativeDomainEditor from './knative_domain_editor.vue';
 import { CLUSTER_TYPE, PROVIDER_TYPE, APPLICATION_STATUS, INGRESS } from '../constants';
 import eventHub from '~/clusters/event_hub';
 import CrossplaneProviderStack from './crossplane_provider_stack.vue';
+import IngressModsecuritySettings from './ingress_modsecurity_settings.vue';
 
 export default {
   components: {
@@ -29,6 +30,7 @@ export default {
     GlLoadingIcon,
     KnativeDomainEditor,
     CrossplaneProviderStack,
+    IngressModsecuritySettings,
   },
   props: {
     type: {
@@ -129,18 +131,6 @@ export default {
     crossplaneInstalled() {
       return this.applications.crossplane.status === APPLICATION_STATUS.INSTALLED;
     },
-    ingressModSecurityDescription() {
-      const escapedUrl = _.escape(this.ingressModSecurityHelpPath);
-
-      return sprintf(
-        s__('ClusterIntegration|Learn more about %{startLink}ModSecurity%{endLink}'),
-        {
-          startLink: `<a href="${escapedUrl}" target="_blank" rel="noopener noreferrer">`,
-          endLink: '</a>',
-        },
-        false,
-      );
-    },
     ingressDescription() {
       return sprintf(
         _.escape(
@@ -241,6 +231,9 @@ Crossplane runs inside your Kubernetes cluster and supports secure connectivity
       }
       return null;
     },
+    ingress() {
+      return this.applications.ingress;
+    },
   },
   created() {
     this.helmInstallIllustration = helmInstallIllustration;
@@ -329,6 +322,7 @@ Crossplane runs inside your Kubernetes cluster and supports secure connectivity
         :uninstall-successful="applications.ingress.uninstallSuccessful"
         :uninstall-failed="applications.ingress.uninstallFailed"
         :disabled="!helmInstalled"
+        :updateable="false"
         title-link="https://kubernetes.io/docs/concepts/services-networking/ingress/"
       >
         <div slot="description">
@@ -340,25 +334,10 @@ Crossplane runs inside your Kubernetes cluster and supports secure connectivity
             }}
           </p>
 
-          <template>
-            <div class="form-group">
-              <div class="form-check form-check-inline">
-                <input
-                  v-model="applications.ingress.modsecurity_enabled"
-                  :disabled="ingressInstalled"
-                  type="checkbox"
-                  autocomplete="off"
-                  class="form-check-input"
-                />
-                <label class="form-check-label label-bold" for="ingress-enable-modsecurity">
-                  {{ s__('ClusterIntegration|Enable Web Application Firewall') }}
-                </label>
-              </div>
-              <p class="form-text text-muted">
-                <strong v-html="ingressModSecurityDescription"></strong>
-              </p>
-            </div>
-          </template>
+          <ingress-modsecurity-settings
+            :ingress="ingress"
+            :ingress-mod-security-help-path="ingressModSecurityHelpPath"
+          />
 
           <template v-if="ingressInstalled">
             <div class="form-group">
diff --git a/app/assets/javascripts/clusters/components/ingress_modsecurity_settings.vue b/app/assets/javascripts/clusters/components/ingress_modsecurity_settings.vue
new file mode 100644
index 00000000000..c30015f31de
--- /dev/null
+++ b/app/assets/javascripts/clusters/components/ingress_modsecurity_settings.vue
@@ -0,0 +1,116 @@
+<script>
+import _ from 'lodash';
+import { __ } from '../../locale';
+import LoadingButton from '~/vue_shared/components/loading_button.vue';
+import { APPLICATION_STATUS, INGRESS } from '~/clusters/constants';
+import { GlAlert, GlSprintf, GlLink } from '@gitlab/ui';
+import eventHub from '~/clusters/event_hub';
+
+const { UPDATING, UNINSTALLING } = APPLICATION_STATUS;
+
+export default {
+  components: {
+    LoadingButton,
+    GlAlert,
+    GlSprintf,
+    GlLink,
+  },
+  props: {
+    ingress: {
+      type: Object,
+      required: true,
+    },
+    ingressModSecurityHelpPath: {
+      type: String,
+      required: false,
+      default: '',
+    },
+  },
+  computed: {
+    modSecurityEnabled: {
+      get() {
+        return this.ingress.modsecurity_enabled;
+      },
+      set(isEnabled) {
+        eventHub.$emit('setIngressModSecurityEnabled', {
+          id: INGRESS,
+          modSecurityEnabled: isEnabled,
+        });
+      },
+    },
+    ingressModSecurityDescription() {
+      return _.escape(this.ingressModSecurityHelpPath);
+    },
+    saving() {
+      return [UPDATING].includes(this.ingress.status);
+    },
+    saveButtonDisabled() {
+      return [UNINSTALLING, UPDATING].includes(this.ingress.status);
+    },
+    saveButtonLabel() {
+      return this.saving ? __('Saving') : __('Save changes');
+    },
+    ingressInstalled() {
+      return this.ingress.installed;
+    },
+  },
+  methods: {
+    updateApplication() {
+      eventHub.$emit('updateApplication', {
+        id: INGRESS,
+        params: { modsecurity_enabled: this.ingress.modsecurity_enabled },
+      });
+    },
+  },
+};
+</script>
+
+<template>
+  <div>
+    <gl-alert
+      v-if="ingress.updateFailed"
+      class="mb-3"
+      variant="danger"
+      :dismissible="false"
+      @dismiss="alert = null"
+    >
+      {{
+        s__('ClusterIntegration|Something went wrong while updating the Web Application Firewall.')
+      }}
+    </gl-alert>
+    <div class="form-group">
+      <div class="form-check form-check-inline">
+        <input
+          v-model="modSecurityEnabled"
+          type="checkbox"
+          autocomplete="off"
+          class="form-check-input"
+        />
+        <label class="form-check-label label-bold" for="ingress-enable-modsecurity">
+          {{ s__('ClusterIntegration|Enable Web Application Firewall') }}
+        </label>
+      </div>
+      <p class="form-text text-muted">
+        <strong>
+          <gl-sprintf
+            :message="s__('ClusterIntegration|Learn more about %{linkStart}ModSecurity%{linkEnd}')"
+          >
+            <template #link="{ content }">
+              <gl-link :href="ingressModSecurityDescription" target="_blank"
+                >{{ content }}
+              </gl-link>
+            </template>
+          </gl-sprintf>
+        </strong>
+      </p>
+      <loading-button
+        v-if="ingressInstalled"
+        class="btn-success mt-1"
+        :loading="saving"
+        :disabled="saveButtonDisabled"
+        :label="saveButtonLabel"
+        @click="updateApplication"
+      />
+    </div>
+  </div>
+</template>
diff --git a/app/assets/javascripts/clusters/stores/clusters_store.js b/app/assets/javascripts/clusters/stores/clusters_store.js
index 939c396e1b9..ffe71455b2d 100644
--- a/app/assets/javascripts/clusters/stores/clusters_store.js
+++ b/app/assets/javascripts/clusters/stores/clusters_store.js
@@ -54,6 +54,8 @@ export default class ClusterStore {
           modsecurity_enabled: false,
           externalIp: null,
           externalHostname: null,
+          isEditingModSecurityEnabled: false,
+          updateFailed: false,
         },
         cert_manager: {
           ...applicationInitialState,
@@ -208,8 +210,11 @@ export default class ClusterStore {
       if (appId === INGRESS) {
         this.state.applications.ingress.externalIp = serverAppEntry.external_ip;
         this.state.applications.ingress.externalHostname = serverAppEntry.external_hostname;
-        this.state.applications.ingress.modsecurity_enabled =
-          serverAppEntry.modsecurity_enabled || this.state.applications.ingress.modsecurity_enabled;
+        if (!this.state.applications.ingress.isEditingModSecurityEnabled) {
+          this.state.applications.ingress.modsecurity_enabled =
+            serverAppEntry.modsecurity_enabled ||
+            this.state.applications.ingress.modsecurity_enabled;
+        }
       } else if (appId === CERT_MANAGER) {
         this.state.applications.cert_manager.email =
           this.state.applications.cert_manager.email || serverAppEntry.email;
diff --git a/app/assets/javascripts/repository/components/preview/index.vue b/app/assets/javascripts/repository/components/preview/index.vue
index 2bc93c3f1c1..78ae719ba0d 100644
--- a/app/assets/javascripts/repository/components/preview/index.vue
+++ b/app/assets/javascripts/repository/components/preview/index.vue
@@ -1,4 +1,6 @@
 <script>
+import $ from 'jquery';
+import '~/behaviors/markdown/render_gfm';
 import { GlLink, GlLoadingIcon } from '@gitlab/ui';
 import getReadmeQuery from '../../queries/getReadme.query.graphql';
 
@@ -30,6 +32,15 @@ export default {
       loading: 0,
     };
   },
+  watch: {
+    readme(newVal) {
+      if (newVal) {
+        this.$nextTick(() => {
+          $(this.$refs.readme).renderGFM();
+        });
+      }
+    },
+  },
 };
 </script>
 
@@ -45,7 +56,7 @@ export default {
     </div>
     <div class="blob-viewer">
       <gl-loading-icon v-if="loading > 0" size="md" color="dark" class="my-4 mx-auto" />
-      <div v-else-if="readme" v-html="readme.html"></div>
+      <div v-else-if="readme" ref="readme" v-html="readme.html"></div>
     </div>
   </article>
 </template>
diff --git a/app/assets/stylesheets/framework/dropdowns.scss b/app/assets/stylesheets/framework/dropdowns.scss
index 41f3603506f..005e5efbdaf 100644
--- a/app/assets/stylesheets/framework/dropdowns.scss
+++ b/app/assets/stylesheets/framework/dropdowns.scss
@@ -150,6 +150,12 @@
     right: 8px;
   }
 
+  .spinner {
+    position: absolute;
+    top: 9px;
+    right: 8px;
+  }
+
   .ic-chevron-down {
     position: absolute;
     top: $gl-padding-8;
diff --git a/app/controllers/groups_controller.rb b/app/controllers/groups_controller.rb
index 958dc27984f..80c7a803392 100644
--- a/app/controllers/groups_controller.rb
+++ b/app/controllers/groups_controller.rb
@@ -97,7 +97,7 @@ class GroupsController < Groups::ApplicationController
   end
 
   def edit
-    @badge_api_endpoint = expose_url(api_v4_groups_badges_path(id: @group.id))
+    @badge_api_endpoint = expose_path(api_v4_groups_badges_path(id: @group.id))
   end
 
   def projects
diff --git a/app/controllers/projects_controller.rb b/app/controllers/projects_controller.rb
index 31b86946ca2..045aa38230c 100644
--- a/app/controllers/projects_controller.rb
+++ b/app/controllers/projects_controller.rb
@@ -50,7 +50,7 @@ class ProjectsController < Projects::ApplicationController
   # rubocop: enable CodeReuse/ActiveRecord
 
   def edit
-    @badge_api_endpoint = expose_url(api_v4_projects_badges_path(id: @project.id))
+    @badge_api_endpoint = expose_path(api_v4_projects_badges_path(id: @project.id))
     render_edit
   end
 
diff --git a/changelogs/unreleased/allow_toggle_modsecurity_settings.yml b/changelogs/unreleased/allow_toggle_modsecurity_settings.yml
new file mode 100644
index 00000000000..7535d00c58d
--- /dev/null
+++ b/changelogs/unreleased/allow_toggle_modsecurity_settings.yml
@@ -0,0 +1,5 @@
+---
+title: Allow enabling/disabling modsecurity from UI
+merge_request: 24747
+author:
+type: added
diff --git a/changelogs/unreleased/rk4bir-master-patch-77755.yml b/changelogs/unreleased/rk4bir-master-patch-77755.yml
new file mode 100644
index 00000000000..b904dad6660
--- /dev/null
+++ b/changelogs/unreleased/rk4bir-master-patch-77755.yml
@@ -0,0 +1,5 @@
+---
+title: Migrated from .fa-spinner to .spinner in app/assets/javascripts/blob/template_selector.js
+merge_request: 25045
+author: Raihan Kabir (gitlab/rk4bir)
+type: changed
diff --git a/lib/gitlab/diff/highlight_cache.rb b/lib/gitlab/diff/highlight_cache.rb
index 0a8fbb9a673..3940b3fca4b 100644
--- a/lib/gitlab/diff/highlight_cache.rb
+++ b/lib/gitlab/diff/highlight_cache.rb
@@ -17,6 +17,14 @@ module Gitlab
         buckets [100, 1000, 10000, 100000, 1000000, 10000000]
       end
 
+      define_counter :gitlab_redis_diff_caching_hit do
+        docstring 'Redis diff caching hits'
+      end
+
+      define_counter :gitlab_redis_diff_caching_miss do
+        docstring 'Redis diff caching misses'
+      end
+
       def initialize(diff_collection)
         @diff_collection = diff_collection
       end
diff --git a/lib/gitlab/git/blob.rb b/lib/gitlab/git/blob.rb
index cbde713e3b9..ba1a474c523 100644
--- a/lib/gitlab/git/blob.rb
+++ b/lib/gitlab/git/blob.rb
@@ -124,6 +124,8 @@ module Gitlab
           self.__send__("#{key}=", options[key.to_sym]) # rubocop:disable GitlabSecurity/PublicSend
         end
 
+        record_metric_blob_size
+
         # Retain the actual size before it is encoded
         @loaded_size = @data.bytesize if @data
         @loaded_all_data = @loaded_size == size
@@ -202,6 +204,12 @@ module Gitlab
 
       private
 
+      def record_metric_blob_size
+        return unless size
+
+        self.class.gitlab_blob_size.observe({}, size)
+      end
+
       def has_lfs_version_key?
         !empty? && text_in_repo? && data.start_with?("version https://git-lfs.github.com/spec")
       end
diff --git a/locale/gitlab.pot b/locale/gitlab.pot
index eb5adf8070b..e0209671160 100644
--- a/locale/gitlab.pot
+++ b/locale/gitlab.pot
@@ -4310,7 +4310,7 @@ msgstr ""
 msgid "ClusterIntegration|Learn more about %{help_link_start}zones%{help_link_end}."
 msgstr ""
 
-msgid "ClusterIntegration|Learn more about %{startLink}ModSecurity%{endLink}"
+msgid "ClusterIntegration|Learn more about %{linkStart}ModSecurity%{linkEnd}"
 msgstr ""
 
 msgid "ClusterIntegration|Learn more about %{startLink}Regions %{externalLinkIcon}%{endLink}."
@@ -4595,6 +4595,9 @@ msgstr ""
 msgid "ClusterIntegration|Something went wrong while updating Knative domain name."
 msgstr ""
 
+msgid "ClusterIntegration|Something went wrong while updating the Web Application Firewall."
+msgstr ""
+
 msgid "ClusterIntegration|Specifying a domain will allow you to use Auto Review Apps and Auto Deploy stages for %{auto_devops_start}Auto DevOps%{auto_devops_end}. The domain should have a wildcard DNS configured matching the domain."
 msgstr ""
 
diff --git a/spec/frontend/clusters/components/applications_spec.js b/spec/frontend/clusters/components/applications_spec.js
index c3336edfe59..3e25c825fe8 100644
--- a/spec/frontend/clusters/components/applications_spec.js
+++ b/spec/frontend/clusters/components/applications_spec.js
@@ -7,6 +7,7 @@ import { APPLICATIONS_MOCK_STATE } from '../services/mock_data';
 import eventHub from '~/clusters/event_hub';
 import KnativeDomainEditor from '~/clusters/components/knative_domain_editor.vue';
 import CrossplaneProviderStack from '~/clusters/components/crossplane_provider_stack.vue';
+import IngressModsecuritySettings from '~/clusters/components/ingress_modsecurity_settings.vue';
 
 describe('Applications', () => {
   let vm;
@@ -156,6 +157,30 @@ describe('Applications', () => {
   });
 
   describe('Ingress application', () => {
+    describe('with nested component', () => {
+      const propsData = {
+        applications: {
+          ...APPLICATIONS_MOCK_STATE,
+          ingress: {
+            title: 'Ingress',
+            status: 'installed',
+          },
+        },
+      };
+
+      let wrapper;
+      beforeEach(() => {
+        wrapper = shallowMount(Applications, { propsData });
+      });
+      afterEach(() => {
+        wrapper.destroy();
+      });
+      it('renders IngressModsecuritySettings', () => {
+        const modsecuritySettings = wrapper.find(IngressModsecuritySettings);
+        expect(modsecuritySettings.exists()).toBe(true);
+      });
+    });
+
     describe('when installed', () => {
       describe('with ip address', () => {
         it('renders ip address with a clipboard button', () => {
diff --git a/spec/frontend/clusters/components/ingress_modsecurity_settings_spec.js b/spec/frontend/clusters/components/ingress_modsecurity_settings_spec.js
new file mode 100644
index 00000000000..e7d2b7bf5c5
--- /dev/null
+++ b/spec/frontend/clusters/components/ingress_modsecurity_settings_spec.js
@@ -0,0 +1,107 @@
+import { shallowMount } from '@vue/test-utils';
+import IngressModsecuritySettings from '~/clusters/components/ingress_modsecurity_settings.vue';
+import LoadingButton from '~/vue_shared/components/loading_button.vue';
+import { APPLICATION_STATUS, INGRESS } from '~/clusters/constants';
+import { GlAlert } from '@gitlab/ui';
+import eventHub from '~/clusters/event_hub';
+
+const { UPDATING } = APPLICATION_STATUS;
+
+describe('IngressModsecuritySettings', () => {
+  let wrapper;
+
+  const defaultProps = {
+    modsecurity_enabled: false,
+    status: 'installable',
+    installed: false,
+  };
+
+  const createComponent = (props = defaultProps) => {
+    wrapper = shallowMount(IngressModsecuritySettings, {
+      propsData: {
+        ingress: {
+          ...defaultProps,
+          ...props,
+        },
+      },
+    });
+  };
+
+  const findSaveButton = () => wrapper.find(LoadingButton);
+  const findModSecurityCheckbox = () => wrapper.find('input').element;
+
+  describe('when ingress is installed', () => {
+    beforeEach(() => {
+      createComponent({ installed: true });
+      jest.spyOn(eventHub, '$emit');
+    });
+
+    it('renders save button', () => {
+      expect(findSaveButton().exists()).toBe(true);
+      expect(findModSecurityCheckbox().checked).toBe(false);
+    });
+
+    describe('and the save changes button is clicked', () => {
+      beforeEach(() => {
+        findSaveButton().vm.$emit('click');
+      });
+
+      it('triggers save event and pass current modsecurity value', () =>
+        wrapper.vm.$nextTick().then(() => {
+          expect(eventHub.$emit).toHaveBeenCalledWith('updateApplication', {
+            id: INGRESS,
+            params: { modsecurity_enabled: false },
+          });
+        }));
+    });
+
+    it('triggers set event to be propagated with the current modsecurity value', () => {
+      wrapper.setData({ modSecurityEnabled: true });
+      return wrapper.vm.$nextTick().then(() => {
+        expect(eventHub.$emit).toHaveBeenCalledWith('setIngressModSecurityEnabled', {
+          id: INGRESS,
+          modSecurityEnabled: true,
+        });
+      });
+    });
+
+    describe(`when ingress status is ${UPDATING}`, () => {
+      beforeEach(() => {
+        createComponent({ installed: true, status: UPDATING });
+      });
+
+      it('renders loading spinner in save button', () => {
+        expect(findSaveButton().props('loading')).toBe(true);
+      });
+
+      it('renders disabled save button', () => {
+        expect(findSaveButton().props('disabled')).toBe(true);
+      });
+
+      it('renders save button with "Saving" label', () => {
+        expect(findSaveButton().props('label')).toBe('Saving');
+      });
+    });
+
+    describe('when ingress fails to update', () => {
+      beforeEach(() => {
+        createComponent({ updateFailed: true });
+      });
+
+      it('displays a error message', () => {
+        expect(wrapper.find(GlAlert).exists()).toBe(true);
+      });
+    });
+  });
+
+  describe('when ingress is not installed', () => {
+    beforeEach(() => {
+      createComponent();
+    });
+
+    it('does not render the save button', () => {
+      expect(findSaveButton().exists()).toBe(false);
+      expect(findModSecurityCheckbox().checked).toBe(false);
+    });
+  });
+});
diff --git a/spec/frontend/clusters/stores/clusters_store_spec.js b/spec/frontend/clusters/stores/clusters_store_spec.js
index f2dbdd0638b..d3775c6cfba 100644
--- a/spec/frontend/clusters/stores/clusters_store_spec.js
+++ b/spec/frontend/clusters/stores/clusters_store_spec.js
@@ -81,8 +81,10 @@ describe('Clusters Store', () => {
             externalIp: null,
             externalHostname: null,
             installed: false,
+            isEditingModSecurityEnabled: false,
             installFailed: true,
             uninstallable: false,
+            updateFailed: false,
             uninstallSuccessful: false,
             uninstallFailed: false,
             validationError: null,
diff --git a/spec/lib/gitlab/diff/highlight_cache_spec.rb b/spec/lib/gitlab/diff/highlight_cache_spec.rb
index 218c393c409..eb8072a554e 100644
--- a/spec/lib/gitlab/diff/highlight_cache_spec.rb
+++ b/spec/lib/gitlab/diff/highlight_cache_spec.rb
@@ -149,5 +149,13 @@ describe Gitlab::Diff::HighlightCache, :clean_gitlab_redis_cache do
     it 'defines :gitlab_redis_diff_caching_memory_usage_bytes histogram' do
       expect(described_class).to respond_to(:gitlab_redis_diff_caching_memory_usage_bytes)
     end
+
+    it 'defines :gitlab_redis_diff_caching_hit' do
+      expect(described_class).to respond_to(:gitlab_redis_diff_caching_hit)
+    end
+
+    it 'defines :gitlab_redis_diff_caching_miss' do
+      expect(described_class).to respond_to(:gitlab_redis_diff_caching_miss)
+    end
   end
 end
diff --git a/spec/lib/gitlab/git/blob_spec.rb b/spec/lib/gitlab/git/blob_spec.rb
index 521c03058ca..3277e02aafa 100644
--- a/spec/lib/gitlab/git/blob_spec.rb
+++ b/spec/lib/gitlab/git/blob_spec.rb
@@ -12,10 +12,18 @@ describe Gitlab::Git::Blob, :seed_helper do
     let(:blob) { Gitlab::Git::Blob.new(name: 'test') }
 
     it 'handles nil data' do
+      expect(described_class).not_to receive(:gitlab_blob_size)
+
       expect(blob.name).to eq('test')
       expect(blob.size).to eq(nil)
       expect(blob.loaded_size).to eq(nil)
     end
+
+    it 'records blob size' do
+      expect(described_class).to receive(:gitlab_blob_size).and_call_original
+
+      Gitlab::Git::Blob.new(name: 'test', size: 1234)
+    end
   end
 
   shared_examples '.find' do