通过“Assert”确保预期结果

JavaScript Perl PHP Python Ruby

Contents

预期结果

OK

说明

我们有更多通过网络测试API的机会，因此此代码通过网络获取结果并检查输出。

程式码

JavaScript

const request = require('request');
const cheerio = require('cheerio');
 
const target_url = "https://www.yahoo.com/";
request(
    { method: 'GET', uri: target_url, gzip: true}, 
    function(err, res, content) {  
        const $ = cheerio.load(content);
        console.assert($('title').text().toLowerCase().match("yahoo"), "yahoo is not included in title");
        console.log("OK");
    }
);

PHP

<?php
$target_url = "https://www.yahoo.com/";
$context = stream_context_create(array('http' => array(
    'method' => "GET",
    'header' => implode("\r\n", array('Accept-Encoding: gzip,deflate'))
)));
$content = file_get_contents($target_url, false, $context);
if (isGzipResponse($http_response_header)) {
    $content = gzdecode($content);
}
$matches = [];
if( preg_match('!<title>(.*?)</title>!is', $content, $matches) ) {
  assert(preg_match('!yahoo!is', $matches[1]) ,"yahoo is not included in title");
  print("OK\n");
}
else{
  die("Failed to get content");
}
 
function isGzipResponse($headers) {
    foreach($headers as $header) {
        if (stristr($header, 'content-encoding') and stristr($header, 'gzip')) {
            return true;
        }
    }
}

Perl

use Carp::Assert;
use HTML::TagParser;
use LWP::UserAgent;

my $ua = new LWP::UserAgent;
my $target_url = "https://www.yahoo.com/";
my $resp = $ua->get($target_url);
if($resp->is_success) {
  my $html = HTML::TagParser->new($resp->content);
  my $title = $html->getElementsByTagName( "title" );
  if(ref $title){
    assert($title->innerText()=~ m!yahoo!i, "yahoo is not included in title");
    print("OK\n");
  }
  else{
    die("title tag is missing");
  }
}
else{
  die("Failed to crawl ".$target_url."\n".$resp->status_line);
}

Python

from pyquery import PyQuery
import re

target_url = "https://www.yahoo.com/"
pq = PyQuery(url=target_url)
assert re.search(r"Yahoo", pq('title').text(), re.IGNORECASE), "yahoo is not included in title"
print("OK")

Ruby

require 'open-uri'
require 'nokogiri'

target_url = "https://www.yahoo.com/"
doc = Nokogiri.HTML(open(target_url))
doc.search('title').each do |elm|
  raise "yahoo is not included in title" unless elm.content.match(/yahoo/i)
  puts("OK")
  break
end