Class: CarrierWave::Test::Matchers::HaveDimensions

Inherits:
Object
  • Object
show all
Defined in:
lib/carrierwave/test/matchers.rb

Overview

:nodoc:

Instance Method Summary collapse

Constructor Details

#initialize(width, height) ⇒ HaveDimensions

Returns a new instance of HaveDimensions.



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# File 'lib/carrierwave/test/matchers.rb', line 83

def initialize(width, height)
  @width, @height = width, height
end

Instance Method Details

#failure_message ⇒ Object 



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# File 'lib/carrierwave/test/matchers.rb', line 97

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

#matches?(actual) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/carrierwave/test/matchers.rb', line 87

def matches?(actual)
  @actual = actual
  # Satisfy expectation here. Return false or raise an error if it's not met.
  require 'RMagick'
  img = ::Magick::Image.read(@actual.path).first
  @actual_width = img.columns
  @actual_height = img.rows
  @actual_width == @width && @actual_height == @height
end

#negative_failure_message ⇒ Object 



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# File 'lib/carrierwave/test/matchers.rb', line 101

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