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test: add user_agent tests, add html_output tests

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HugoPoi 2020-01-10 09:35:24 +01:00
parent cac6b87e92
commit 394b567db6
4 changed files with 248 additions and 1 deletions
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6
package-lock.json generated
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@ -2197,6 +2197,12 @@
"resolved": "https://registry.npmjs.org/typedarray/-/typedarray-0.0.6.tgz",
"integrity": "sha1-hnrHTjhkGHsdPUfZlqeOxciDB3c="
},
"ua-parser-js": {
"version": "0.7.21",
"resolved": "https://registry.npmjs.org/ua-parser-js/-/ua-parser-js-0.7.21.tgz",
"integrity": "sha512-+O8/qh/Qj8CgC6eYBVBykMrNtp5Gebn4dlGD/kKXVkJNDwyrAwSIqwz8CDf+tsAIWVycKcku6gIXJ0qwx/ZXaQ==",
"dev": true
},
"ultron": {
"version": "1.1.1",
"resolved": "https://registry.npmjs.org/ultron/-/ultron-1.1.1.tgz",

3
package.json
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@ -39,6 +39,7 @@
"express": "^4.17.1",
"http-mitm-proxy": "^0.8.2",
"key-cert": "^1.0.1",
"mocha": "^6.1.4"
"mocha": "^6.1.4",
"ua-parser-js": "^0.7.21"
}
}

96
test/html_output.js Normal file
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'use strict';
const express = require('express');
const { createLogger, transports } = require('winston');
const http = require('http');
const https = require('https');
const assert = require('assert');
const path = require('path');
const keyCert = require('key-cert');
const Promise = require('bluebird');
const Proxy = require('http-mitm-proxy');
const debug = require('debug')('se-scraper:test');
const se_scraper = require('../');
const httpPort = 3012;
const httpsPort = httpPort + 1;
const proxyPort = httpPort + 2;
const fakeSearchEngine = express();
fakeSearchEngine.get('/search', (req, res) => {
debug('q=%s', req.query.q);
const pageNumber = ((req.query.start/10) || 0) + 1;
res.sendFile(path.join(__dirname, 'mocks/google/' + req.query.q + '_page' + pageNumber + '.html'));
});
fakeSearchEngine.use(express.static('test/mocks/google', {extensions: ['html']}));
describe('Config', function(){
let httpServer, httpsServer, proxy;
before(async function(){
// Here mount our fake engine in both http and https listen server
httpServer = http.createServer(fakeSearchEngine);
httpsServer = https.createServer(await keyCert(), fakeSearchEngine);
proxy = Proxy();
proxy.onRequest((ctx, callback) => {
ctx.proxyToServerRequestOptions.host = 'localhost';
ctx.proxyToServerRequestOptions.port = (ctx.isSSL) ? httpsPort : httpPort;
ctx.proxyToServerRequestOptions.headers['X-Forwarded-Host'] = 'ProxiedThroughFakeEngine';
debug('Proxy request to %s', ctx.clientToProxyRequest.headers.host);
return callback();
});
await Promise.promisify(proxy.listen, {context: proxy})({port: proxyPort});
await Promise.promisify(httpServer.listen, {context: httpServer})(httpPort);
await Promise.promisify(httpsServer.listen, {context: httpsServer})(httpsPort);
debug('Fake http search engine servers started');
});
after(function(){
httpsServer.close();
httpServer.close();
proxy.close();
});
describe('html_output', function(){
const testLogger = createLogger({
transports: [
new transports.Console({
level: 'error'
})
]
});
/**
* Test html_output option
*/
it('html_output single page single keyword', async function () {
const scrape_job = {
search_engine: 'google',
google_settings: {
start_url: 'http://localhost:' + httpPort
},
keywords: ['test keyword'],
};
var scraper = new se_scraper.ScrapeManager({
throw_on_detection: true,
logger: testLogger,
html_output: true,
//clean_html_output: false,
//clean_data_images: false,
});
await scraper.start();
const { results } = await scraper.scrape(scrape_job);
await scraper.quit();
assert(results['test keyword']['1'].html.length > 1000, 'Html of google page 1 should be provided');
});
});
});

144
test/user_agent.js Normal file
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'use strict';
const express = require('express');
const { createLogger, transports } = require('winston');
const http = require('http');
const https = require('https');
const assert = require('assert');
const keyCert = require('key-cert');
const Promise = require('bluebird');
const Proxy = require('http-mitm-proxy');
const UAParser = require('ua-parser-js');
const _ = require('lodash');
const debug = require('debug')('se-scraper:test');
const se_scraper = require('../');
const Scraper = require('../src/modules/se_scraper');
const httpPort = 3012;
const httpsPort = httpPort + 1;
const proxyPort = httpPort + 2;
const fakeSearchEngine = express();
fakeSearchEngine.set('trust proxy', 'loopback');
fakeSearchEngine.get('/test-user_agent', (req, res) => {
debug('fake-search-engine req.headers.user-agent=%s', req.headers['user-agent']);
res.send(req.headers['user-agent']);
});
describe('Config', function(){
let httpServer, httpsServer, proxy;
before(async function(){
// Here mount our fake engine in both http and https listen server
httpServer = http.createServer(fakeSearchEngine);
httpsServer = https.createServer(await keyCert(), fakeSearchEngine);
proxy = Proxy();
proxy.onRequest((ctx, callback) => {
ctx.proxyToServerRequestOptions.host = 'localhost';
ctx.proxyToServerRequestOptions.port = (ctx.isSSL) ? httpsPort : httpPort;
ctx.proxyToServerRequestOptions.headers['X-Forwarded-Host'] = 'ProxiedThroughFakeEngine';
debug('Proxy request to %s', ctx.clientToProxyRequest.headers.host);
return callback();
});
await Promise.promisify(proxy.listen, {context: proxy})({port: proxyPort});
await Promise.promisify(httpServer.listen, {context: httpServer})(httpPort);
await Promise.promisify(httpsServer.listen, {context: httpsServer})(httpsPort);
debug('Fake http search engine servers started');
});
after(function(){
httpsServer.close();
httpServer.close();
proxy.close();
});
describe('user_agent', function(){
class MockScraperTestUserAgent extends Scraper {
async load_start_page(){
return true;
}
async search_keyword(){
await this.page.goto('http://localhost:' + httpPort + '/test-user_agent');
}
async parse_async(){
const bodyHandle = await this.page.$('body');
return await this.page.evaluate(body => body.innerHTML, bodyHandle);
}
}
const testLogger = createLogger({
transports: [
new transports.Console({
level: 'error'
})
]
});
/**
* Test user_agent option
*/
it('fixed user_agent', async function () {
const scrape_job = {
search_engine: MockScraperTestUserAgent,
keywords: ['javascript is hard'],
};
var scraper = new se_scraper.ScrapeManager({
throw_on_detection: true,
logger: testLogger,
user_agent: 'THIS IS A USERAGENT 42.0'
});
await scraper.start();
const { results } = await scraper.scrape(scrape_job);
assert.strictEqual(results['javascript is hard']['1'], 'THIS IS A USERAGENT 42.0');
await scraper.quit();
});
/**
* Test random_user_agent option
* TODO generated user_agent should be different for each keyword
* TODO this test will sometimes fail because user_agent not very random :-(
*/
it('random_user_agent', async function () {
const scrape_job = {
search_engine: MockScraperTestUserAgent,
keywords: ['news'],
};
const NUMBER_OF_EXEC = 10;
const uaList = await Promise.map(_.range(NUMBER_OF_EXEC), async (i) => {
const scraper = new se_scraper.ScrapeManager({
throw_on_detection: true,
logger: testLogger,
random_user_agent: true,
});
await scraper.start();
const { results: { news } } = await scraper.scrape(scrape_job);
await scraper.quit();
return news['1'];
});
uaList.forEach((userAgent) => {
const uaParsed = UAParser(userAgent);
assert(uaParsed.browser.name, 'UserAgent should have a browser name detected');
assert(uaParsed.os.name, 'UserAgent should have a os name detected');
});
assert( _.chain(uaList).countBy().toPairs().sortBy(e => e[1]).last().value()[1] < (NUMBER_OF_EXEC * 0.3), 'Each user agent should appear less than 30% of the time' );
});
});
});