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mongoid-rspec

RSpec matchers for Mongoid.

Association Matchers

describe User do
  it { should reference_many :articles }
  it { should reference_many :comments }    
  it { should embed_one :profile }
  it { should reference_many(:children).stored_as(:array) }
end

describe Profile do
  it { should be_embedded_in(:user).as_inverse_of(:profile) }
end

describe Article do
  it { should be_referenced_in(:user).as_inverse_of(:articles) }
  it { should embed_many(:comments) }
end

describe Comment do
  it { should be_embedded_in(:article).as_inverse_of(:comments) }
  it { should be_referenced_in(:user).as_inverse_of(:comments) }
end

Validation Matchers

describe User do
  it { should validate_presence_of(:login) }
  it { should validate_uniqueness_of(:login) }    
  it { should validate_format_of(:login).to_allow("valid_login").not_to_allow("invalid login") }
  it { should validate_associated(:profile) }
  it { should validate_inclusion_of(:role).to_allow("admin", "member") }
  it { should validate_numericality_of(:age) }
end

describe Article do
  it { should validate_length_of(:title) }
end

Others

describe User do
  it { should have_fields(:email, :login) }
  it { should have_field(:active).of_type(Boolean).with_default_value_of(false) }
  it { should have_fields(:birthdate, :registered_at).of_type(DateTime) }

  # useful if you use factory_girl and have Factory(:user) defined for User
  it { should save }
end

Use

add in Gemfile

gem 'mongoid-rspec'

drop in existing or dedicated support file in spec/support (spec/support/mongoid.rb)

RSpec.configure do |configuration|
  configuration.include Mongoid::Matchers
end