RSpec: Change the type of a spec regardless of the folder it lives in

The ActionDispatch module of Rails gives you the helper method flash to access the flash messages in a response.

describe PostsController, type: :request do

  descr...

Checking if a JavaScript value is of a given type can be very confusing:

• There are two operators typeof and instanceof which work very differently.
• JavaScript has some primitive types, like string literals, that are not objects (as oppose...

View specs are a powerful tool to test several rendering paths by their cases instead of using a more costing feature spec. This is especially useful because they become quite co...

There may be reasons to change the locale of your Postgres cluster. A popular one is your development system's locale being used by default (which may be annoying). Here is how to do that.

Beware: By following the steps below, you will drop and r...

When you want to find out the data type of an attribute, you can just use ActiveRecord's columns_hash method.

It returns a hash of column objects that include a type attribute (and more database-related information).

Example:

Contract.c...

While RSpec 1 and 2 decided that specs inside spec/model are model specs, and those inside spec/features are feature specs (and so on), RSpec 3 will no longer do that by default.

This will result in errors such as missing routing helpers, etc...

When you need to find out in which kind of spec you are during run-time, it's definitely possible. It's a lot easier in RSpec 2+.

For example, consider this global before block where you'd want to run some code for specific specs only:

c...

ActiveRecord models know how to cast a given string to the type of a given attribute (or column).

The following model will serve as our example:

create_table :notes do |t|
  t.string :title
  t.integer :user_id
  t.boolean :delet...

The step definitions below allow you to write this in both Webrat and Capybara:

When I follow "Download as PDF"
Then I should get a response with content-type "application/pdf"

Capybara

Then /^I should get a response with...

The following Sass will do it:

hr
  color: #ddd
  background-color: #ddd
  border: none
  height: 1px