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require 'spec_helper'
describe CarrierWave::Uploader do
let(:uploader_class) { Class.new(CarrierWave::Uploader::Base) }
let(:uploader) { uploader_class.new }
after { FileUtils.rm_rf(public_path) }
describe '.process' do
context "when a symbol is given" do
before { uploader_class.process(process_param) }
after { uploader.process! }
let(:process_param) { :sepiatone }
it "adds a single processor" do
expect(uploader).to receive(:sepiatone)
end
end
context "when an array of symbols is given" do
before { uploader_class.process(*process_param) }
after { uploader.process! }
let(:process_param) { [:sepiatone, :desaturate, :invert] }
it "adds multiple processors" do
expect(uploader).to receive(:sepiatone)
expect(uploader).to receive(:desaturate)
expect(uploader).to receive(:invert)
end
end
it "adds a single processor with an argument when a hash is given" do
uploader_class.process :format => 'png'
expect(uploader).to receive(:format).with('png')
uploader.process!
end
it "adds a single processor with several argument when a hash is given" do
uploader_class.process :resize => [200, 300]
expect(uploader).to receive(:resize).with(200, 300)
uploader.process!
end
it "adds multiple processors when an hash with multiple keys is given" do
uploader_class.process :resize => [200, 300], :format => 'png'
expect(uploader).to receive(:resize).with(200, 300)
expect(uploader).to receive(:format).with('png')
uploader.process!
end
it "calls the processor if the condition method returns true" do
uploader_class.process :resize => [200, 300], :if => :true?
uploader_class.process :fancy, :if => :true?
expect(uploader).to receive(:true?).with("test.jpg").twice.and_return(true)
expect(uploader).to receive(:resize).with(200, 300)
expect(uploader).to receive(:fancy)
uploader.process!("test.jpg")
end
it "doesn't call the processor if the condition method returns false" do
uploader_class.process :resize => [200, 300], :if => :false?
uploader_class.process :fancy, :if => :false?
expect(uploader).to receive(:false?).with("test.jpg").twice.and_return(false)
expect(uploader).not_to receive(:resize)
expect(uploader).not_to receive(:fancy)
uploader.process!("test.jpg")
end
it "calls the processor if the condition block returns true" do
uploader_class.process :resize => [200, 300], :if => lambda{|record, args| record.true?(args[:file])}
uploader_class.process :fancy, :if => :true?
expect(uploader).to receive(:true?).with("test.jpg").twice.and_return(true)
expect(uploader).to receive(:resize).with(200, 300)
expect(uploader).to receive(:fancy)
uploader.process!("test.jpg")
end
it "doesn't call the processor if the condition block returns false" do
uploader_class.process :resize => [200, 300], :if => lambda{|record, args| record.false?(args[:file])}
uploader_class.process :fancy, :if => :false?
expect(uploader).to receive(:false?).with("test.jpg").twice.and_return(false)
expect(uploader).not_to receive(:resize)
expect(uploader).not_to receive(:fancy)
uploader.process!("test.jpg")
end
context "when using RMagick", :rmagick => true do
before do
def uploader.cover
manipulate! { |frame, index| frame if index.zero? }
end
uploader_class.send :include, CarrierWave::RMagick
end
after { uploader.instance_eval { undef cover } }
context "with a multi-page PDF" do
before { uploader.cache! File.open(file_path("multi_page.pdf")) }
it "successfully processes" do
uploader_class.process :convert => 'jpg'
uploader.process!
end
it "supports page specific transformations" do
uploader_class.process :cover
uploader.process!
end
end
context "with a simple image" do
before { uploader.cache! File.open(file_path("portrait.jpg")) }
it "allows page specific transformations" do
uploader_class.process :cover
uploader.process!
end
end
end
context "with 'enable_processing' set to false" do
before { uploader_class.enable_processing = false }
it "doesn't do any processing" do
uploader_class.process :sepiatone, :desaturate, :invert
expect(uploader).not_to receive(:sepiatone)
expect(uploader).not_to receive(:desaturate)
expect(uploader).not_to receive(:invert)
uploader.process!
end
end
end
describe '#cache!' do
before do
allow(CarrierWave).to receive(:generate_cache_id).and_return('1369894322-345-1234-2255')
end
it "triggers a process!" do
expect(uploader).to receive(:process!)
uploader.cache!(File.open(file_path('test.jpg')))
end
end
describe '#recreate_versions!' do
before do
allow(CarrierWave).to receive(:generate_cache_id).and_return('1369894322-345-1234-2255')
end
it "triggers a process!" do
uploader.store!(File.open(file_path('test.jpg')))
expect(uploader).to receive(:process!)
uploader.recreate_versions!
end
end
end
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