class CarrierWave::Test::Matchers::HaveHeight

def description
  "have an exact height of #{@height}"
end

def failure_message
  "expected #{@actual.current_path.inspect} to have an exact size of #{@height}, but it was #{@actual_height}."
end

def failure_message_when_negated
  "expected #{@actual.current_path.inspect} not to have an exact size of #{@height}, but it did."
end

def initialize(height)
  @height = height
end

def matches?(actual)
  @actual = actual
  # Satisfy expectation here. Return false or raise an error if it's not met.
  image = ImageLoader.load_image(@actual.current_path)
  @actual_height = image.height
  @actual_height == @height
end