Fix RSpec/InstanceVariable cop (mastodon#27766)

.rubocop_todo.yml

@@ -71,26 +71,6 @@ RSpec/AnyInstance:
 RSpec/ExampleLength:
   Max: 22
 
-# Configuration parameters: AssignmentOnly.
-RSpec/InstanceVariable:
-  Exclude:
-    - 'spec/controllers/api/v1/streaming_controller_spec.rb'
-    - 'spec/controllers/auth/confirmations_controller_spec.rb'
-    - 'spec/controllers/auth/passwords_controller_spec.rb'
-    - 'spec/controllers/auth/sessions_controller_spec.rb'
-    - 'spec/controllers/concerns/export_controller_concern_spec.rb'
-    - 'spec/controllers/home_controller_spec.rb'
-    - 'spec/controllers/settings/two_factor_authentication/webauthn_credentials_controller_spec.rb'
-    - 'spec/controllers/statuses_cleanup_controller_spec.rb'
-    - 'spec/models/concerns/account_finder_concern_spec.rb'
-    - 'spec/models/concerns/account_interactions_spec.rb'
-    - 'spec/models/public_feed_spec.rb'
-    - 'spec/serializers/activitypub/note_serializer_spec.rb'
-    - 'spec/serializers/activitypub/update_poll_serializer_spec.rb'
-    - 'spec/services/remove_status_service_spec.rb'
-    - 'spec/services/search_service_spec.rb'
-    - 'spec/services/unblock_domain_service_spec.rb'
-
 RSpec/LetSetup:
   Exclude:
     - 'spec/controllers/api/v1/accounts/statuses_controller_spec.rb'

spec/controllers/api/v1/streaming_controller_spec.rb

@@ -26,7 +26,6 @@
   context 'with streaming api on different host' do
     before do
       Rails.configuration.x.streaming_api_base_url = "wss://streaming-#{Rails.configuration.x.web_domain}"
-      @streaming_host = URI.parse(Rails.configuration.x.streaming_api_base_url).host
     end
 
     describe 'GET #index' do
@@ -38,7 +37,13 @@
         [:scheme, :path, :query, :fragment].each do |part|
           expect(redirect_to_uri.send(part)).to eq(request_uri.send(part)), "redirect target #{part}"
         end
-        expect(redirect_to_uri.host).to eq(@streaming_host), 'redirect target host'
+        expect(redirect_to_uri.host).to eq(streaming_host), 'redirect target host'
+      end
+
+      private
+
+      def streaming_host
+        URI.parse(Rails.configuration.x.streaming_api_base_url).host
       end
     end
   end

spec/controllers/auth/passwords_controller_spec.rb

@@ -18,12 +18,14 @@
 
     before do
       request.env['devise.mapping'] = Devise.mappings[:user]
-      @token = user.send_reset_password_instructions
     end
 
     context 'with valid reset_password_token' do
       it 'returns http success' do
-        get :edit, params: { reset_password_token: @token }
+        token = user.send_reset_password_instructions
+
+        get :edit, params: { reset_password_token: token }
+
         expect(response).to have_http_status(200)
       end
     end
@@ -38,9 +40,9 @@
 
   describe 'POST #update' do
     let(:user) { Fabricate(:user) }
+    let(:password) { 'reset0password' }
 
     before do
-      @password = 'reset0password'
       request.env['devise.mapping'] = Devise.mappings[:user]
     end
 
@@ -50,9 +52,9 @@
       let!(:web_push_subscription) { Fabricate(:web_push_subscription, access_token: access_token) }
 
       before do
-        @token = user.send_reset_password_instructions
+        token = user.send_reset_password_instructions
 
-        post :update, params: { user: { password: @password, password_confirmation: @password, reset_password_token: @token } }
+        post :update, params: { user: { password: password, password_confirmation: password, reset_password_token: token } }
       end
 
       it 'redirect to sign in' do
@@ -63,7 +65,7 @@
         this_user = User.find(user.id)
 
         expect(this_user).to_not be_nil
-        expect(this_user.valid_password?(@password)).to be true
+        expect(this_user.valid_password?(password)).to be true
       end
 
       it 'deactivates all sessions' do
@@ -81,7 +83,7 @@
 
     context 'with invalid reset_password_token' do
       before do
-        post :update, params: { user: { password: @password, password_confirmation: @password, reset_password_token: 'some_invalid_value' } }
+        post :update, params: { user: { password: password, password_confirmation: password, reset_password_token: 'some_invalid_value' } }
       end
 
       it 'renders reset password' do

spec/controllers/concerns/export_controller_concern_spec.rb

@@ -11,7 +11,7 @@ def index
     end
 
     def export_data
-      @export.account.username
+      'body data value'
     end
   end
 
@@ -24,7 +24,7 @@ def export_data
       expect(response).to have_http_status(200)
       expect(response.media_type).to eq 'text/csv'
       expect(response.headers['Content-Disposition']).to start_with 'attachment; filename="anonymous.csv"'
-      expect(response.body).to eq user.account.username
+      expect(response.body).to eq 'body data value'
     end
 
     it 'returns unauthorized when not signed in' do

spec/controllers/statuses_cleanup_controller_spec.rb

@@ -5,9 +5,10 @@
 RSpec.describe StatusesCleanupController do
   render_views
 
+  let!(:user) { Fabricate(:user) }
+
   before do
-    @user = Fabricate(:user)
-    sign_in @user, scope: :user
+    sign_in user, scope: :user
   end
 
   describe 'GET #show' do
@@ -30,9 +31,9 @@
     end
 
     it 'updates the account status cleanup policy' do
-      expect(@user.account.statuses_cleanup_policy.enabled).to be true
-      expect(@user.account.statuses_cleanup_policy.keep_direct).to be false
-      expect(@user.account.statuses_cleanup_policy.keep_polls).to be true
+      expect(user.account.statuses_cleanup_policy.enabled).to be true
+      expect(user.account.statuses_cleanup_policy.keep_direct).to be false
+      expect(user.account.statuses_cleanup_policy.keep_polls).to be true
     end
 
     it 'redirects' do

spec/models/concerns/account_finder_concern_spec.rb

@@ -4,17 +4,15 @@
 
 describe AccountFinderConcern do
   describe 'local finders' do
-    before do
-      @account = Fabricate(:account, username: 'Alice')
-    end
+    let!(:account) { Fabricate(:account, username: 'Alice') }
 
     describe '.find_local' do
       it 'returns case-insensitive result' do
-        expect(Account.find_local('alice')).to eq(@account)
+        expect(Account.find_local('alice')).to eq(account)
       end
 
       it 'returns correctly cased result' do
-        expect(Account.find_local('Alice')).to eq(@account)
+        expect(Account.find_local('Alice')).to eq(account)
       end
 
       it 'returns nil without a match' do
@@ -36,7 +34,7 @@
 
     describe '.find_local!' do
       it 'returns matching result' do
-        expect(Account.find_local!('alice')).to eq(@account)
+        expect(Account.find_local!('alice')).to eq(account)
       end
 
       it 'raises on non-matching result' do
@@ -54,17 +52,15 @@
   end
 
   describe 'remote finders' do
-    before do
-      @account = Fabricate(:account, username: 'Alice', domain: 'mastodon.social')
-    end
+    let!(:account) { Fabricate(:account, username: 'Alice', domain: 'mastodon.social') }
 
     describe '.find_remote' do
       it 'returns exact match result' do
-        expect(Account.find_remote('alice', 'mastodon.social')).to eq(@account)
+        expect(Account.find_remote('alice', 'mastodon.social')).to eq(account)
       end
 
       it 'returns case-insensitive result' do
-        expect(Account.find_remote('ALICE', 'MASTODON.SOCIAL')).to eq(@account)
+        expect(Account.find_remote('ALICE', 'MASTODON.SOCIAL')).to eq(account)
       end
 
       it 'returns nil when username does not match' do
@@ -90,7 +86,7 @@
 
     describe '.find_remote!' do
       it 'returns matching result' do
-        expect(Account.find_remote!('alice', 'mastodon.social')).to eq(@account)
+        expect(Account.find_remote!('alice', 'mastodon.social')).to eq(account)
       end
 
       it 'raises on non-matching result' do

spec/models/concerns/account_interactions_spec.rb

@@ -648,38 +648,36 @@
   end
 
   describe 'ignoring reblogs from an account' do
-    before do
-      @me = Fabricate(:account, username: 'Me')
-      @you = Fabricate(:account, username: 'You')
-    end
+    let!(:me) { Fabricate(:account, username: 'Me') }
+    let!(:you) { Fabricate(:account, username: 'You') }
 
     context 'with the reblogs option unspecified' do
       before do
-        @me.follow!(@you)
+        me.follow!(you)
       end
 
       it 'defaults to showing reblogs' do
-        expect(@me.muting_reblogs?(@you)).to be(false)
+        expect(me.muting_reblogs?(you)).to be(false)
       end
     end
 
     context 'with the reblogs option set to false' do
       before do
-        @me.follow!(@you, reblogs: false)
+        me.follow!(you, reblogs: false)
       end
 
       it 'does mute reblogs' do
-        expect(@me.muting_reblogs?(@you)).to be(true)
+        expect(me.muting_reblogs?(you)).to be(true)
       end
     end
 
     context 'with the reblogs option set to true' do
       before do
-        @me.follow!(@you, reblogs: true)
+        me.follow!(you, reblogs: true)
       end
 
       it 'does not mute reblogs' do
-        expect(@me.muting_reblogs?(@you)).to be(false)
+        expect(me.muting_reblogs?(you)).to be(false)
       end
     end
   end

spec/models/public_feed_spec.rb

@@ -137,47 +137,45 @@
     end
 
     describe 'with an account passed in' do
-      subject { described_class.new(@account).get(20).map(&:id) }
+      subject { described_class.new(account).get(20).map(&:id) }
 
-      before do
-        @account = Fabricate(:account)
-      end
+      let!(:account) { Fabricate(:account) }
 
       it 'excludes statuses from accounts blocked by the account' do
         blocked = Fabricate(:account)
-        @account.block!(blocked)
+        account.block!(blocked)
         blocked_status = Fabricate(:status, account: blocked)
 
         expect(subject).to_not include(blocked_status.id)
       end
 
       it 'excludes statuses from accounts who have blocked the account' do
         blocker = Fabricate(:account)
-        blocker.block!(@account)
+        blocker.block!(account)
         blocked_status = Fabricate(:status, account: blocker)
 
         expect(subject).to_not include(blocked_status.id)
       end
 
       it 'excludes statuses from accounts muted by the account' do
         muted = Fabricate(:account)
-        @account.mute!(muted)
+        account.mute!(muted)
         muted_status = Fabricate(:status, account: muted)
 
         expect(subject).to_not include(muted_status.id)
       end
 
       it 'excludes statuses from accounts from personally blocked domains' do
         blocked = Fabricate(:account, domain: 'example.com')
-        @account.block_domain!(blocked.domain)
+        account.block_domain!(blocked.domain)
         blocked_status = Fabricate(:status, account: blocked)
 
         expect(subject).to_not include(blocked_status.id)
       end
 
       context 'with language preferences' do
         it 'excludes statuses in languages not allowed by the account user' do
-          @account.user.update(chosen_languages: [:en, :es])
+          account.user.update(chosen_languages: [:en, :es])
           en_status = Fabricate(:status, language: 'en')
           es_status = Fabricate(:status, language: 'es')
           fr_status = Fabricate(:status, language: 'fr')
@@ -188,7 +186,7 @@
         end
 
         it 'includes all languages when user does not have a setting' do
-          @account.user.update(chosen_languages: nil)
+          account.user.update(chosen_languages: nil)
 
           en_status = Fabricate(:status, language: 'en')
           es_status = Fabricate(:status, language: 'es')
@@ -198,7 +196,7 @@
         end
 
         it 'includes all languages when account does not have a user' do
-          @account.update(user: nil)
+          account.update(user: nil)
 
           en_status = Fabricate(:status, language: 'en')
           es_status = Fabricate(:status, language: 'es')