se-scraper/test/test_bing.js
2019-08-05 17:01:48 +02:00

270 lines
10 KiB
JavaScript

'use strict';
const se_scraper = require('./../index.js');
const chai = require('chai');
chai.use(require('chai-string'));
const assert = chai.assert;
/*
* Use chai and mocha for tests.
* https://mochajs.org/#installation
*/
const normal_search_keywords = ['apple tree', 'weather tomorrow'];
async function normal_search_test() {
let config = {
search_engine: 'bing',
compress: false,
debug_level: 1,
keywords: normal_search_keywords,
keyword_file: '',
num_pages: 3,
headless: true,
output_file: '',
block_assets: true,
user_agent: 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36',
random_user_agent: false,
};
let scrape_config = {
search_engine: 'bing',
keywords: normal_search_keywords,
num_pages: 3,
};
console.log('normal_search_test()');
normal_search_test_case( await se_scraper.scrape(config, scrape_config) );
}
// we test with a callback function to our handler
function normal_search_test_case(response) {
assert.equal(response.metadata.num_requests, 6);
for (let query in response.results) {
let total_rank = 1;
assert.containsAllKeys(response.results, normal_search_keywords, 'not all keywords were scraped.');
for (let page_number in response.results[query]) {
assert.isNumber(parseInt(page_number), 'page_number must be numeric');
let obj = response.results[query][page_number];
assert.containsAllKeys(obj, ['results', 'time', 'no_results', 'num_results', 'effective_query'], 'not all keys are in the object');
assert.isAtLeast(obj.results.length, 7, 'results must have at least 7 SERP objects');
assert.equal(obj.no_results, false, 'no results should be false');
assert.typeOf(obj.num_results, 'string', 'num_results must be a string');
assert.isAtLeast(obj.num_results.length, 5, 'num_results should be a string of at least 5 chars');
assert.typeOf(Date.parse(obj.time), 'number', 'time should be a valid date');
for (let res of obj.results) {
assert.containsAllKeys(res, ['link', 'title', 'rank', 'visible_link', 'rank'], 'not all keys are in the SERP object');
assert.isOk(res.link, 'link must be ok');
assert.typeOf(res.link, 'string', 'link must be string');
assert.isAtLeast(res.link.length, 5, 'link must have at least 5 chars');
assert.isOk(res.visible_link, 'visible_link must be ok');
assert.typeOf(res.visible_link, 'string', 'visible_link must be string');
assert.isAtLeast(res.visible_link.length, 5, 'visible_link must have at least 5 chars');
assert.isOk(res.title, 'title must be ok');
assert.typeOf(res.title, 'string', 'title must be string');
assert.isAtLeast(res.title.length, 5, 'title must have at least 5 chars');
assert.isOk(res.snippet, 'snippet must be ok');
assert.typeOf(res.snippet, 'string', 'snippet must be string');
assert.isAtLeast(res.snippet.length, 10, 'snippet must have at least 10 chars');
assert.isNumber(res.rank, 'rank must be integer');
assert.equal(res.rank, total_rank++, 'rank ist wrong');
}
}
}
}
const keywords_no_results = ['2342kljp;fj9834u40abJAkasdlfkjsladfkjasfdas;lk3453-934023safkl34a44dsflkjaQQuBBdfk',];
async function no_results_test() {
let config = {
search_engine: 'bing',
compress: false,
debug_level: 1,
keywords: keywords_no_results,
keyword_file: '',
num_pages: 1,
headless: true,
output_file: '',
block_assets: true,
user_agent: 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36',
random_user_agent: false,
};
let scrape_config = {
search_engine: 'bing',
keywords: keywords_no_results,
num_pages: 1,
};
console.log('no_results_test()');
test_case_no_results( await se_scraper.scrape(config, scrape_config) );
}
// we test with a callback function to our handler
function test_case_no_results(response) {
assert.equal(response.metadata.num_requests, 1);
for (let query in response.results) {
assert.containsAllKeys(response.results, keywords_no_results, 'not all keywords were scraped.');
for (let page_number in response.results[query]) {
assert.isNumber(parseInt(page_number), 'page_number must be numeric');
let obj = response.results[query][page_number];
assert.containsAllKeys(obj, ['results', 'time', 'no_results', 'num_results', 'effective_query'], 'not all keys are in the object');
assert(obj.results.length === 0, 'results must have 0 SERP objects');
assert.equal(obj.no_results, true, 'no results should be true');
assert.isEmpty(obj.num_results, 'no results should be a empty string');
assert.typeOf(Date.parse(obj.time), 'number', 'time should be a valid date');
}
}
}
const effective_query_keywords = ['mount everrest'];
async function effective_query_test() {
let config = {
compress: false,
debug_level: 1,
keyword_file: '',
headless: true,
output_file: '',
block_assets: true,
user_agent: 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/70.0.3538.110 Safari/537.36',
random_user_agent: false,
};
let scrape_config = {
search_engine: 'bing',
keywords: effective_query_keywords,
num_pages: 1,
};
console.log('effective_query_test()');
test_case_effective_query( await se_scraper.scrape(config, scrape_config) );
}
// we test with a callback function to our handler
function test_case_effective_query(response) {
assert.equal(response.metadata.num_requests, 1);
for (let query in response.results) {
assert.containsAllKeys(response.results, effective_query_keywords, 'not all keywords were scraped.');
for (let page_number in response.results[query]) {
assert.isNumber(parseInt(page_number), 'page_number must be numeric');
let obj = response.results[query][page_number];
assert.containsAllKeys(obj, ['results', 'time', 'no_results', 'num_results', 'effective_query'], 'not all keys are in the object');
// effective query must be different to the original keyword
assert.isOk(obj.effective_query, 'effective query must be ok');
assert.isNotEmpty(obj.effective_query, 'effective query must be valid');
assert(obj.effective_query !== query, 'effective query must be different from keyword');
assert.isAtLeast(obj.results.length, 7, 'results must have at least 7 SERP objects');
assert.equal(obj.no_results, false, 'no results should be false');
assert.typeOf(obj.num_results, 'string', 'num_results must be a string');
assert.isAtLeast(obj.num_results.length, 5, 'num_results should be a string of at least 5 chars');
assert.typeOf(Date.parse(obj.time), 'number', 'time should be a valid date');
}
}
}
const ads_keywords = ['cloud services', 'buy shoes'];
async function ads_test() {
let config = {
compress: false,
debug_level: 1,
headless: true,
block_assets: false,
random_user_agent: true,
};
let scrape_config = {
search_engine: 'bing',
keywords: ads_keywords,
num_pages: 1,
};
console.log('ads_test()');
test_case_ads_test( await se_scraper.scrape(config, scrape_config) );
}
function test_case_ads_test(response) {
assert.equal(response.metadata.num_requests, 2);
for (let query in response.results) {
assert.containsAllKeys(response.results, ads_keywords, 'not all keywords were scraped.');
for (let page_number in response.results[query]) {
assert.isNumber(parseInt(page_number), 'page_number must be numeric');
let obj = response.results[query][page_number];
assert.containsAllKeys(obj, ['results', 'time', 'no_results', 'num_results', 'effective_query', 'ads'], 'not all keys are in the object');
assert.isAtLeast(obj.results.length, 5, 'results must have at least 5 SERP objects');
assert.equal(obj.no_results, false, 'no results should be false');
assert.typeOf(obj.num_results, 'string', 'num_results must be a string');
assert.isAtLeast(obj.num_results.length, 5, 'num_results should be a string of at least 5 chars');
assert.typeOf(Date.parse(obj.time), 'number', 'time should be a valid date');
assert.isAtLeast(obj.ads.length, 2, 'ads must have at least 2 SERP objects');
for (let res of obj.ads) {
assert.isOk(res.tracking_link, 'link must be ok');
assert.typeOf(res.tracking_link, 'string', 'link must be string');
assert.isAtLeast(res.tracking_link.length, 5, 'link must have at least 5 chars');
// assert.isOk(res.link, 'link must be ok');
// assert.typeOf(res.link, 'string', 'link must be string');
// assert.isAtLeast(res.link.length, 5, 'link must have at least 5 chars');
assert.isOk(res.visible_link, 'visible_link must be ok');
assert.typeOf(res.visible_link, 'string', 'visible_link must be string');
assert.isAtLeast(res.visible_link.length, 5, 'visible_link must have at least 5 chars');
assert.isOk(res.title, 'title must be ok');
assert.typeOf(res.title, 'string', 'title must be string');
assert.isAtLeast(res.title.length, 10, 'title must have at least 10 chars');
assert.isOk(res.snippet, 'snippet must be ok');
assert.typeOf(res.snippet, 'string', 'snippet must be string');
assert.isAtLeast(res.snippet.length, 10, 'snippet must have at least 10 chars');
}
}
}
}
describe('Bing', function(){
this.timeout(30000);
it('normal search', normal_search_test);
it('no results', no_results_test);
it('effective query', effective_query_test);
it('finds ads', ads_test);
});