jschan - Anonymous imageboard software. Classic look, modern features and feel. Works without JavaScript and supports Tor, I2P, Lokinet, etc.
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const generateCaptcha = require('./text.js');
describe('generate text captcha', () => {
const cases = [
{ name: 'text captcha', font: 'default', text: { wave: 0, line: false, paint: 0, noise: 0 }, numDistorts: { min: 0, max: 1 }, distortion: 0 },
{ name: 'text captcha with distortion', font: 'default', text: { wave: 0, line: false, paint: 0, noise: 0 }, numDistorts: { min: 1, max: 10 }, distortion: 10 },
{ name: 'text captcha with wave', font: 'default', text: { wave: 5, line: false, paint: 0, noise: 0 }, numDistorts: { min: 0, max: 1 }, distortion: 0 },
{ name: 'text captcha with line', font: 'default', text: { wave: 0, line: true, paint: 0, noise: 0 }, numDistorts: { min: 0, max: 1 }, distortion: 0 },
{ name: 'text captcha with paint', font: 'default', text: { wave: 0, line: false, paint: 5, noise: 0 }, numDistorts: { min: 0, max: 1 }, distortion: 0 },
{ name: 'text captcha with noise', font: 'default', text: { wave: 0, line: false, paint: 0, noise: 5 }, numDistorts: { min: 0, max: 1 }, distortion: 0 },
{ name: 'text captcha with with all effects and distortion', font: 'default', text: { wave: 5, line: true, paint: 5, noise: 5 }, numDistorts: { min: 1, max: 10 }, distortion: 10 },
{ name: 'text captcha with non-default font', font: '/usr/share/fonts/type1/gsfonts/p052003l.pfb', text: { wave: 0, line: false, paint: 0, noise: 0 }, numDistorts: { min: 0, max: 1 }, distortion: 0 },
{ name: 'text captcha with all the above', font: '/usr/share/fonts/type1/gsfonts/p052003l.pfb', text: { wave: 5, line: true, paint: 5, noise: 5 }, numDistorts: { min: 1, max: 10 }, distortion: 10 },
];
for(let captchaOptions of cases) {
test(captchaOptions.name, async () => {
const { captcha } = await generateCaptcha(captchaOptions);
expect(await new Promise((res, rej) => {
captcha.write('/tmp/captcha.jpg', (err) => {
if (err) {
return rej(err);
}
res();
});
}));
});
}
});