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# frozen_string_literal: true
require 'spec_helper'
describe Gitlab::FileTypeDetection do
context 'when class is an uploader' do
shared_examples '#image? for an uploader' do
it 'returns true for an image file' do
uploader.store!(upload_fixture('dk.png'))
expect(uploader).to be_image
end
it 'returns false if filename has a dangerous image extension' do
uploader.store!(upload_fixture('unsanitized.svg'))
expect(uploader).to be_dangerous_image
expect(uploader).not_to be_image
end
it 'returns false for a video file' do
uploader.store!(upload_fixture('video_sample.mp4'))
expect(uploader).not_to be_image
end
it 'returns false if filename is blank' do
uploader.store!(upload_fixture('dk.png'))
allow(uploader).to receive(:filename).and_return(nil)
expect(uploader).not_to be_image
end
end
shared_examples '#video? for an uploader' do
it 'returns true for a video file' do
uploader.store!(upload_fixture('video_sample.mp4'))
expect(uploader).to be_video
end
it 'returns false for an image file' do
uploader.store!(upload_fixture('dk.png'))
expect(uploader).not_to be_video
end
it 'returns false if filename is blank' do
uploader.store!(upload_fixture('dk.png'))
allow(uploader).to receive(:filename).and_return(nil)
expect(uploader).not_to be_video
end
end
shared_examples '#dangerous_image? for an uploader' do
it 'returns true if filename has a dangerous extension' do
uploader.store!(upload_fixture('unsanitized.svg'))
expect(uploader).to be_dangerous_image
end
it 'returns false for an image file' do
uploader.store!(upload_fixture('dk.png'))
expect(uploader).not_to be_dangerous_image
end
it 'returns false for a video file' do
uploader.store!(upload_fixture('video_sample.mp4'))
expect(uploader).not_to be_dangerous_image
end
it 'returns false if filename is blank' do
uploader.store!(upload_fixture('dk.png'))
allow(uploader).to receive(:filename).and_return(nil)
expect(uploader).not_to be_dangerous_image
end
end
shared_examples '#dangerous_video? for an uploader' do
it 'returns false for a safe video file' do
uploader.store!(upload_fixture('video_sample.mp4'))
expect(uploader).not_to be_dangerous_video
end
it 'returns false if filename is a dangerous image extension' do
uploader.store!(upload_fixture('unsanitized.svg'))
expect(uploader).not_to be_dangerous_video
end
it 'returns false for an image file' do
uploader.store!(upload_fixture('dk.png'))
expect(uploader).not_to be_dangerous_video
end
it 'returns false if filename is blank' do
uploader.store!(upload_fixture('dk.png'))
allow(uploader).to receive(:filename).and_return(nil)
expect(uploader).not_to be_dangerous_video
end
end
let(:uploader) do
example_uploader = Class.new(CarrierWave::Uploader::Base) do
include Gitlab::FileTypeDetection
storage :file
end
example_uploader.new
end
def upload_fixture(filename)
fixture_file_upload(File.join('spec', 'fixtures', filename))
end
describe '#image?' do
include_examples '#image? for an uploader'
end
describe '#video?' do
include_examples '#video? for an uploader'
end
describe '#image_or_video?' do
include_examples '#image? for an uploader'
include_examples '#video? for an uploader'
end
describe '#dangerous_image?' do
include_examples '#dangerous_image? for an uploader'
end
describe '#dangerous_video?' do
include_examples '#dangerous_video? for an uploader'
end
describe '#dangerous_image_or_video?' do
include_examples '#dangerous_image? for an uploader'
include_examples '#dangerous_video? for an uploader'
end
end
context 'when class is a regular class' do
shared_examples '#image? for a regular class' do
it 'returns true for an image file' do
allow(custom_class).to receive(:filename).and_return('dk.png')
expect(custom_class).to be_image
end
it 'returns false if file has a dangerous image extension' do
allow(custom_class).to receive(:filename).and_return('unsanitized.svg')
expect(custom_class).to be_dangerous_image
expect(custom_class).not_to be_image
end
it 'returns false for any non image file' do
allow(custom_class).to receive(:filename).and_return('video_sample.mp4')
expect(custom_class).not_to be_image
end
it 'returns false if filename is blank' do
allow(custom_class).to receive(:filename).and_return(nil)
expect(custom_class).not_to be_image
end
end
shared_examples '#video? for a regular class' do
it 'returns true for a video file' do
allow(custom_class).to receive(:filename).and_return('video_sample.mp4')
expect(custom_class).to be_video
end
it 'returns false for any non-video file' do
allow(custom_class).to receive(:filename).and_return('dk.png')
expect(custom_class).not_to be_video
end
it 'returns false if file has a dangerous image extension' do
allow(custom_class).to receive(:filename).and_return('unsanitized.svg')
expect(custom_class).to be_dangerous_image
expect(custom_class).not_to be_video
end
it 'returns false if filename is blank' do
allow(custom_class).to receive(:filename).and_return(nil)
expect(custom_class).not_to be_video
end
end
shared_examples '#dangerous_image? for a regular class' do
it 'returns true if file has a dangerous image extension' do
allow(custom_class).to receive(:filename).and_return('unsanitized.svg')
expect(custom_class).to be_dangerous_image
end
it 'returns false for an image file' do
allow(custom_class).to receive(:filename).and_return('dk.png')
expect(custom_class).not_to be_dangerous_image
end
it 'returns false for any non image file' do
allow(custom_class).to receive(:filename).and_return('video_sample.mp4')
expect(custom_class).not_to be_dangerous_image
end
it 'returns false if filename is blank' do
allow(custom_class).to receive(:filename).and_return(nil)
expect(custom_class).not_to be_dangerous_image
end
end
shared_examples '#dangerous_video? for a regular class' do
it 'returns false for a safe video file' do
allow(custom_class).to receive(:filename).and_return('video_sample.mp4')
expect(custom_class).not_to be_dangerous_video
end
it 'returns false for an image file' do
allow(custom_class).to receive(:filename).and_return('dk.png')
expect(custom_class).not_to be_dangerous_video
end
it 'returns false if file has a dangerous image extension' do
allow(custom_class).to receive(:filename).and_return('unsanitized.svg')
expect(custom_class).not_to be_dangerous_video
end
it 'returns false if filename is blank' do
allow(custom_class).to receive(:filename).and_return(nil)
expect(custom_class).not_to be_dangerous_video
end
end
let(:custom_class) do
custom_class = Class.new do
include Gitlab::FileTypeDetection
end
custom_class.new
end
describe '#image?' do
include_examples '#image? for a regular class'
end
describe '#video?' do
include_examples '#video? for a regular class'
end
describe '#image_or_video?' do
include_examples '#image? for a regular class'
include_examples '#video? for a regular class'
end
describe '#dangerous_image?' do
include_examples '#dangerous_image? for a regular class'
end
describe '#dangerous_video?' do
include_examples '#dangerous_video? for a regular class'
end
describe '#dangerous_image_or_video?' do
include_examples '#dangerous_image? for a regular class'
include_examples '#dangerous_video? for a regular class'
end
end
end
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