fix(article): enforce maximum length for content validation (#109)

* fix(article): enforce maximum length for content validation

* fix(article): update content length validation to allow up to 65535 characters

app/models/article.rb

@@ -58,7 +58,7 @@ class Article < ApplicationRecord
   validates :account_id, presence: true
   validates :author_id, presence: true
   validates :title, presence: true
-  validates :content, presence: true
+  validates :content, presence: true, length: { maximum: 65_535 }
 
   # ensuring that the position is always set correctly
   before_create :add_position_to_article

spec/models/article_spec.rb

@@ -33,9 +33,9 @@ RSpec.describe Article do
       end
 
       it 'invalid when crossed the limit' do
-        article.content = 'a' * 25_001
+        article.content = 'a' * 70_000
         article.valid?
-        expect(article.errors[:content]).to include('is too long (maximum is 20000 characters)')
+        expect(article.errors[:content]).to include('is too long (maximum is 65535 characters)')
       end
     end
   end