class Mongoid::Matchers::HaveDelegateMatcher

Create an matcher for delegate method

Usage:

it { is_expected.to delegate(:name).to(:author) } it { is_expected.to delegate(:day).to(:created_at).with_prefix(:date) }

Public Class Methods

new(*args) click to toggle source

Set methods to look for

# File lib/matchers/delegates.rb, line 13
def initialize(*args)
  @delegated = args[0]
  @method = @delegated
end

Public Instance Methods

description() click to toggle source
# File lib/matchers/delegates.rb, line 34
def description
  "delegate : #{@method}"
end
failure_message() click to toggle source
# File lib/matchers/delegates.rb, line 38
def failure_message
  "expected #{@delegator} have delegator #{_method}"
end
failure_message_when_negated() click to toggle source
# File lib/matchers/delegates.rb, line 42
def failure_message_when_negated
  "expected #{@delegator} have not to delegator :#{@method} #{prefix?}"
end
matches?(klass) click to toggle source
# File lib/matchers/delegates.rb, line 29
def matches?(klass)
  @delegator = klass
  @delegator.methods.include?(@method)
end
to(to) click to toggle source
# File lib/matchers/delegates.rb, line 18
def to(to)
  @to = to
  self
end
with_prefix(prefix) click to toggle source
# File lib/matchers/delegates.rb, line 23
def with_prefix(prefix)
  @prefix = prefix
  @method = :"#{@prefix}_#{@method}"
  self
end

Private Instance Methods

_method() click to toggle source
# File lib/matchers/delegates.rb, line 48
def _method
  if @prefix
    ":#{@delegated} with prefix :#{@prefix}"
  else
    ":#{@delegated}"
  end
end
prefix?() click to toggle source
# File lib/matchers/delegates.rb, line 56
def prefix?
  @prefix ? ' with prefix' : ''
end