If you're working with Ruby and RSpec and you want to improve your workflow and efficiency, here are some Rspec tips for you.
1. Use Factory Girl to Create test Data
Factory Girl is a gem that allows you to create test data easily.
You can use Factory Girl to create objects in your tests without having…
Rails Basics
Validations are a really important concept in web development, they help us ensure that the data our users submit is valid. Rails validations provides a really neat way to define validations using declarative syntax.
class User < ApplicationRecord
validates :name, presence: true
end
This validation will ensure that the name attribute is present (not…
You can use Rails scopes to make your code more expressive.
Scopes are a way of grouping related methods together, and they are defined in your model classes.
You can use scopes to make your code more expressive and easier to read.
Example
Let's say you have a User model with a first_name and a last_name attribute.
You want…
The ActiveRecord find_by method is a shorthand method for finding one ActiveRecord object using one of the model's attributes.
What is ActiveRecord find_by Used For?
The find_by method queries your database for a specific record or records that match certain criteria.
How to Use ActiveRecord find_by
The basic syntax for using find by is this:
Model.find_by(attribute: value)
For example,…
The where ActiveRecord method is one of the most powerful features this ORM offers. It allows you to express your conditions as simple key-value pairs, making your code more readable & shielded from SQL injection attacks. Here's a quick overview of how to use it:
User.where(name: "John")
The where method will return an array of matching…
In this tutorial, we will learn how to install Ruby with rbenv.
rbenv is a tool that helps you manage & switch between different ruby versions. It is similar to Virtualenv for python or RVM for Ruby. It's handy because it's easy to use, it's fast, & it's cross-platform (Linux, macOS, & Windows).
It is useful when…