Fix being able to post URLs longer than 4096 characters

spec/validators/status_length_validator_spec.rb

@@ -50,6 +50,13 @@ describe StatusLengthValidator do
       expect(status.errors).to have_received(:add)
     end
 
+    it 'does not count overly long URLs as 23 characters flat' do
+      text = "http://example.com/valid?#{'#foo?' * 1000}"
+      status = double(spoiler_text: '', text: text, errors: double(add: nil), local?: true, reblog?: false)
+      subject.validate(status)
+      expect(status.errors).to have_received(:add)
+    end
+
     it 'counts only the front part of remote usernames' do
       text   = ('a' * 475) + " @alice@#{'b' * 30}.com"
       status = double(spoiler_text: '', text: text, errors: double(add: nil), local?: true, reblog?: false)
@@ -57,5 +64,13 @@ describe StatusLengthValidator do
       subject.validate(status)
       expect(status.errors).to_not have_received(:add)
     end
+
+    it 'does count both parts of remote usernames for overly long domains' do
+      text   = "@alice@#{'b' * 500}.com"
+      status = double(spoiler_text: '', text: text, errors: double(add: nil), local?: true, reblog?: false)
+
+      subject.validate(status)
+      expect(status.errors).to have_received(:add)
+    end
   end
 end