rucaptcha/spec/ocr_spec.rb

35 lines
864 B
Ruby

require 'spec_helper'
describe 'OCR' do
before do
@samples = []
10.times do
@samples << SecureRandom.hex(2)
end
@filenames = []
@samples.each do |chars|
fname = File.join(File.dirname(__FILE__), "..", "tmp", "#{chars}.png")
img = RuCaptcha::Captcha.create(chars)
File.open(fname, 'w+') do |f|
f.puts img
end
@filenames << fname
end
end
after do
`rm #{File.join(File.dirname(__FILE__), '../tmp/*.png')}`
end
it 'should not read by OCR lib' do
results = []
@samples.each do |chars|
str = RTesseract.new(File.join(File.dirname(__FILE__), "..", "tmp", "#{chars}.png")).to_s
results << "- Chars: #{chars}, OCR read #{str.strip}"
expect(chars).not_to eq(str)
end
puts %(\n------------------------\nOCR all results: \n#{results.join("\n")})
end
end