Class: MiniPaperclip::Shoulda::Matchers::ValidateAttachmentGeometryMatcher

Inherits:
Object
  • Object
show all
Defined in:
lib/mini_paperclip/shoulda/matchers/validate_attachment_geometry_matcher.rb

Constant Summary collapse

CallError = 
Class.new(StandardError)

Instance Method Summary collapse

Constructor Details

#initialize(attachment_name) ⇒ ValidateAttachmentGeometryMatcher

Returns a new instance of ValidateAttachmentGeometryMatcher.



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# File 'lib/mini_paperclip/shoulda/matchers/validate_attachment_geometry_matcher.rb', line 23

def initialize(attachment_name)
  @attachment_name = attachment_name.to_sym
  @width = {}
  @height = {}
  @format = nil
end

Instance Method Details

#failure_message ⇒ Object 



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# File 'lib/mini_paperclip/shoulda/matchers/validate_attachment_geometry_matcher.rb', line 61

def failure_message
  [
    "Attachment :#{@attachment_name} got details",
    @subject.errors.details[@attachment_name]
  ].join("\n")
end

#failure_message_when_negated ⇒ Object 



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# File 'lib/mini_paperclip/shoulda/matchers/validate_attachment_geometry_matcher.rb', line 68

def failure_message_when_negated
  [
    "Attachment :#{@attachment_name} got details",
    @subject.errors.details[@attachment_name]
  ].join("\n")
end

#format(format) ⇒ Object 



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# File 'lib/mini_paperclip/shoulda/matchers/validate_attachment_geometry_matcher.rb', line 30

def format(format)
  @format = format
  self
end

#height(less_than_or_equal_to:) ⇒ Object 



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# File 'lib/mini_paperclip/shoulda/matchers/validate_attachment_geometry_matcher.rb', line 40

def height(less_than_or_equal_to:)
  @height[:less_than_or_equal_to] = less_than_or_equal_to
  self
end

#matches?(subject) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/mini_paperclip/shoulda/matchers/validate_attachment_geometry_matcher.rb', line 45

def matches?(subject)
  @subject = subject.class == Class ? subject.new : subject

  unless @format && !@width.empty? && !@height.empty?
    raise CallError, [
      "should call like this",
      "  it { should validate_attachment_geometry(:image)",
      "                .format(:png)",
      "                .width(less_than_or_equal_to: 3000)",
      "                .height(less_than_or_equal_to: 3000) }"
    ].join("\n")
  end

  when_valid && when_invalid
end

#width(less_than_or_equal_to:) ⇒ Object 



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# File 'lib/mini_paperclip/shoulda/matchers/validate_attachment_geometry_matcher.rb', line 35

def width(less_than_or_equal_to:)
  @width[:less_than_or_equal_to] = less_than_or_equal_to
  self
end