<h2>Overview:</h2>
<p>RSpec Expectations is a testing framework that allows users to express expected outcomes on an object in an example. It is commonly used with tools like RSpec, Test::Unit, Minitest, or Cucumber for testing Ruby applications.</p>
<h2>Features:</h2>
<ul>
<li><strong>Built-in matchers</strong>: Equivalence, Identity comparisons, Regular expressions, Truthiness, Expecting errors, Expecting throws, Yielding, etc.</li>
<li><strong>Compound Matcher Expressions</strong>: Create compound matcher expressions using <code>and</code> or <code>or</code>.</li>
<li><strong>Composing Matchers</strong>: Many built-in matchers take matchers as arguments for flexible specifications.</li>
</ul>


<h2>Overview:</h2>
<p>RSpec-rails is a gem that brings the RSpec testing framework to Ruby on Rails, providing a detailed explanation of how the application is supposed to behave in plain English. It serves as an alternative to the default testing framework, Minitest, in Rails projects. The gem follows a versioning strategy based on the Rails version being used.</p>
<h2>Features:</h2>
<ul>
<li><strong>RSpec Testing Framework</strong>: Provides a detailed explanation of application behavior called specifications.</li>
<li><strong>Semantic Versioning</strong>: Follows semantic versioning for upgrades and breaking changes.</li>
<li><strong>Generators and Rake Tasks</strong>: Can be used with generators and rake tasks in the development and test environments.</li>
<li><strong>RSpec DSL Basics</strong>: Describes application behavior in plain English and test code.</li>
<li><strong>Helpful Rails Matchers</strong>: Provides various matchers to make testing Rails systems easier.</li>
</ul>


Rspec

Rspec Expectations

Rspec Rails