add redundant require article

_config.yml

@@ -1,5 +1,5 @@
 title: Even Better Specs
-description: Guidelines for readable and maintainable tests
+description: Guidelines for maintainable tests
 theme: just-the-docs
 
 url: https://evenbetterspecs.github.io
@@ -42,6 +42,9 @@ nav_external_links:
   - title: Expect vs should
     url: "#expect-vs-should"
     hide_icon: true
+  - title: Redundant require
+    url: "#redundant-require"
+    hide_icon: true
   - title: Instance double over double
     url: "#instance-double-over-double"
     hide_icon: true

_includes/factories_not_fixtures.html

@@ -5,7 +5,7 @@ <h2 id="factories-not-fixtures">
     </a>
   </h2>
 
-  <p><a href="https://github.com/thoughtbot/factory_bot" target="_blank">Factories</a> are more flexible and easier to work with.</p>
+  <p><a href="https://github.com/thoughtbot/factory_bot" target="_blank">Factories</a> are more flexible and easier to work with. Understand more <a href="https://thoughtbot.com/blog/we-need-to-talk-about-fixtures" target="_blank">here</a>.</p>
 
   <div class="example">
 {% highlight ruby %}

_includes/lets_not.html

@@ -5,15 +5,15 @@ <h2 id="lets-not">
     </a>
   </h2>
 
-  <p>Do not use <code>let</code> / <code>let!</code>. These tend to turn your tests very complicated over time as one needs to look up variables defined then apply deltas to figure their current state. Understand more <a href="https://thoughtbot.com/blog/lets-not">here</a>.</p>
+  <p>Do not use <code>let</code> / <code>let!</code>. These tend to turn your tests very complicated over time as one needs to look up variables defined then apply deltas to figure their current state. Understand more <a href="https://thoughtbot.com/blog/lets-not" target="_blank">here</a>.</p>
 
   <p class="note info">Tests are not supposed to be DRY, but easy to read and maintain.</p>
 
   <div class="bad">
 {% highlight ruby %}
 
 describe '#full_name' do
-  let(:user) { create(:user, fist_name: 'Edson', last_name: 'Pelé') }
+  let(:user) { build(:user, fist_name: 'Edson', last_name: 'Pelé') }
 
   context 'when first name and last name are present' do
     it 'returns the full name' do
@@ -36,15 +36,15 @@ <h2 id="lets-not">
 describe '#full_name' do
   context 'when first name and last name are present' do
     it 'returns the full name' do
-      user = create(:user, fist_name: 'Edson', last_name: 'Pelé')
+      user = build(:user, fist_name: 'Edson', last_name: 'Pelé')
 
       expect(user.full_name).to eq('Edson Pelé')
     end
   end
 
   context 'when last name is not present' do
     it 'returns the first name' do
-      user = create(:user, fist_name: 'Edson', last_name: nil)
+      user = build(:user, fist_name: 'Edson', last_name: nil)
 
       expect(user.full_name).to eq('Edson')
     end

_includes/redundant_require.html

@@ -0,0 +1,35 @@
+<article>
+  <h2 id="redundant-require">
+    <a href="#redundant-require">
+      Redundant require
+    </a>
+  </h2>
+
+  <p>Remove any redundant <code>require</code> in your spec files. Use <code>.rspec</code> file instead.</p>
+
+  <div class="bad">
+{% highlight ruby %}
+# spec/models/user_spec.rb
+require 'rails_helper'
+
+describe User do
+end
+{% endhighlight %}
+  </div>
+
+  <div class="good">
+{% highlight ruby %}
+# spec/models/user_spec.rb
+describe User do
+end
+{% endhighlight %}
+  </div>
+
+  <div class="good">
+{% highlight ruby %}
+# .rspec
+--require rails_helper
+{% endhighlight %}
+  </div>
+
+</article>

index.html

@@ -10,7 +10,7 @@ <h1>
 
   <p>Event Better Specs is an <i>opinionated</i> set of best practices to support the creation of tests that are easy to read and maintain.</p>
 
-  <p>It focus on the <a href="https://www.ruby-lang.org/en/" target="_blank">Ruby</a> testing framework <a href="https://rspec.info/" target="_blank">RSpec</a>, but some of it could potentially be applied to other frameworks (like <a href="https://github.com/sus-rb/sus" target="_blank">sus</a>) and languages (like <a href="https://crystal-lang.org/reference/1.13/guides/testing.html" target="_blank">Crystal</a>).</p>
+  <p>It focus on the <a href="https://www.ruby-lang.org/en/" target="_blank">Ruby</a> testing framework <a href="https://rspec.info/" target="_blank">RSpec</a>, but some of it could potentially be applied to other frameworks and languages (like <a href="https://github.com/sus-rb/sus" target="_blank">sus</a> and <a href="https://crystal-lang.org/reference/1.13/guides/testing.html" target="_blank">Crystal</a>).</p>
 
   <h2>
       Guiding principles
@@ -35,6 +35,7 @@ <h2>
 {% include all_possible_cases.html %}
 {% include request_vs_controller.html %}
 {% include expect_vs_should.html %}
+{% include redundant_require.html %}
 {% include instance_double_over_double.html %}
 {% include lets_not.html %}
 {% include avoid_hooks.html %}