Fix RSpec/DescribedClass cop (#29472)

spec/lib/feed_manager_spec.rb

@@ -11,7 +11,7 @@ RSpec.describe FeedManager do
   end
 
   it 'tracks at least as many statuses as reblogs', :skip_stub do
-    expect(FeedManager::REBLOG_FALLOFF).to be <= FeedManager::MAX_ITEMS
+    expect(described_class::REBLOG_FALLOFF).to be <= described_class::MAX_ITEMS
   end
 
   describe '#key' do
@@ -225,12 +225,12 @@ RSpec.describe FeedManager do
     it 'trims timelines if they will have more than FeedManager::MAX_ITEMS' do
       account = Fabricate(:account)
       status = Fabricate(:status)
-      members = Array.new(FeedManager::MAX_ITEMS) { |count| [count, count] }
+      members = Array.new(described_class::MAX_ITEMS) { |count| [count, count] }
       redis.zadd("feed:home:#{account.id}", members)
 
       described_class.instance.push_to_home(account, status)
 
-      expect(redis.zcard("feed:home:#{account.id}")).to eq FeedManager::MAX_ITEMS
+      expect(redis.zcard("feed:home:#{account.id}")).to eq described_class::MAX_ITEMS
     end
 
     context 'with reblogs' do
@@ -260,7 +260,7 @@ RSpec.describe FeedManager do
         described_class.instance.push_to_home(account, reblogged)
 
         # Fill the feed with intervening statuses
-        FeedManager::REBLOG_FALLOFF.times do
+        described_class::REBLOG_FALLOFF.times do
           described_class.instance.push_to_home(account, Fabricate(:status))
         end
 
@@ -321,7 +321,7 @@ RSpec.describe FeedManager do
         described_class.instance.push_to_home(account, reblogs.first)
 
         # Fill the feed with intervening statuses
-        FeedManager::REBLOG_FALLOFF.times do
+        described_class::REBLOG_FALLOFF.times do
           described_class.instance.push_to_home(account, Fabricate(:status))
         end
 
@@ -467,7 +467,7 @@ RSpec.describe FeedManager do
       status    = Fabricate(:status, reblog: reblogged)
 
       described_class.instance.push_to_home(receiver, reblogged)
-      FeedManager::REBLOG_FALLOFF.times { described_class.instance.push_to_home(receiver, Fabricate(:status)) }
+      described_class::REBLOG_FALLOFF.times { described_class.instance.push_to_home(receiver, Fabricate(:status)) }
       described_class.instance.push_to_home(receiver, status)
 
       # The reblogging status should show up under normal conditions.

spec/lib/sanitize/config_spec.rb

@@ -4,7 +4,7 @@ require 'rails_helper'
 
 describe Sanitize::Config do
   describe '::MASTODON_STRICT' do
-    subject { Sanitize::Config::MASTODON_STRICT }
+    subject { described_class::MASTODON_STRICT }
 
     it 'converts h1 to p strong' do
       expect(Sanitize.fragment('<h1>Foo</h1>', subject)).to eq '<p><strong>Foo</strong></p>'

spec/lib/signature_parser_spec.rb

@@ -27,7 +27,7 @@ RSpec.describe SignatureParser do
       let(:header) { 'hello this is malformed!' }
 
       it 'raises an error' do
-        expect { subject }.to raise_error(SignatureParser::ParsingError)
+        expect { subject }.to raise_error(described_class::ParsingError)
       end
     end
   end

spec/lib/webfinger_resource_spec.rb

@@ -46,7 +46,7 @@ describe WebfingerResource do
 
         expect do
           described_class.new(resource).username
-        end.to raise_error(WebfingerResource::InvalidRequest)
+        end.to raise_error(described_class::InvalidRequest)
       end
 
       it 'finds the username in a valid https route' do
@@ -137,7 +137,7 @@ describe WebfingerResource do
 
         expect do
           described_class.new(resource).username
-        end.to raise_error(WebfingerResource::InvalidRequest)
+        end.to raise_error(described_class::InvalidRequest)
       end
     end
   end