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✎ CARVE FLESH

EDITING: image_handler_spec.rb

# frozen_string_literal: true

require 'spec_helper'

describe Prawn::ImageHandler do
  let(:image_handler) { described_class.new }

let(:handler_a) { instance_double('Handler A') }
  let(:handler_b) { instance_double('Handler B') }

it 'finds the image handler for an image' do
    allow(handler_a).to receive(:can_render?).and_return(true)

image_handler.register(handler_a)
    image_handler.register(handler_b)

handler = image_handler.find('arbitrary blob')
    expect(handler).to eq(handler_a)
  end

it 'can prepend handlers' do
    allow(handler_b).to receive(:can_render?).and_return(true)

image_handler.register(handler_a)
    image_handler.register!(handler_b)

handler = image_handler.find('arbitrary blob')
    expect(handler).to eq(handler_b)
  end

it 'can unregister a handler' do
    allow(handler_b).to receive(:can_render?).and_return(true)

image_handler.register(handler_a)
    image_handler.register(handler_b)

image_handler.unregister(handler_a)

handler = image_handler.find('arbitrary blob')
    expect(handler).to eq(handler_b)
  end

it 'raises an error when no matching handler is found' do
    allow(handler_a).to receive(:can_render?).and_return(false)
    allow(handler_b).to receive(:can_render?).and_return(false)

image_handler.register(handler_a)
    image_handler.register(handler_b)

expect { image_handler.find('arbitrary blob') }
      .to(raise_error(Prawn::Errors::UnsupportedImageType))
  end
end

CANCEL

Name	Type	Size	Modified	Actions
↩ ..	DIR	—	—
📁 document/	DIR	—	2023-09-24 03:48
📁 graphics/	DIR	—	2023-09-24 03:48
📁 images/	DIR	—	2023-09-24 03:48
📁 text/	DIR	—	2023-09-24 03:48
📄 document_annotations_spec.rb	RB	2 KB	2023-09-24 03:48	EDIT
📄 document_destinations_spec.rb	RB	346 B	2023-09-24 03:48	EDIT
📄 document_grid_spec.rb	RB	3.3 KB	2023-09-24 03:48	EDIT
📄 document_reference_spec.rb	RB	739 B	2023-09-24 03:48	EDIT
📄 document_span_spec.rb	RB	1019 B	2023-09-24 03:48	EDIT
📄 document_spec.rb	RB	24.3 KB	2023-09-24 03:48	EDIT
📄 font_metric_cache_spec.rb	RB	1.5 KB	2023-09-24 03:48	EDIT
📄 font_spec.rb	RB	16.7 KB	2023-09-24 03:48	EDIT
📄 graphics_spec.rb	RB	28.1 KB	2023-09-24 03:48	EDIT
📄 graphics_stroke_styles_spec.rb	RB	6.8 KB	2023-09-24 03:48	EDIT
📄 image_handler_spec.rb	RB	1.5 KB	2023-09-24 03:48	EDIT
📄 images_spec.rb	RB	7.1 KB	2023-09-24 03:48	EDIT
📄 measurements_extensions_spec.rb	RB	699 B	2023-09-24 03:48	EDIT
📄 outline_spec.rb	RB	15.5 KB	2023-09-24 03:48	EDIT
📄 repeater_spec.rb	RB	4.8 KB	2023-09-24 03:48	EDIT
📄 soft_mask_spec.rb	RB	1.9 KB	2023-09-24 03:48	EDIT
📄 stamp_spec.rb	RB	5.5 KB	2023-09-24 03:48	EDIT
📄 text_draw_text_spec.rb	RB	4.7 KB	2023-09-24 03:48	EDIT
📄 text_rendering_mode_spec.rb	RB	1.5 KB	2023-09-24 03:48	EDIT
📄 text_spacing_spec.rb	RB	2.9 KB	2023-09-24 03:48	EDIT
📄 text_spec.rb	RB	19.9 KB	2023-09-24 03:48	EDIT
📄 text_with_inline_formatting_spec.rb	RB	1.1 KB	2023-09-24 03:48	EDIT
📄 transformation_stack_spec.rb	RB	1.8 KB	2023-09-24 03:48	EDIT
📄 view_spec.rb	RB	1.6 KB	2023-09-24 03:48	EDIT