Editing Testing

{{Template:Build a website}}


== connection test ==
=== case 1: Where are you? Wide Area Network (WAN) or Local Area Network (LAN) ===
open the browser
* and type the address: {{kbd | key =<nowiki>http://the.domain</nowiki>}}
* or use the remote website monitoring services: [[Web Ping]] 

telnet 
* telnet ''DOMAIN_or_IP'' ''PORT'' ex: {{kbd | key = telnet the.domain 80}}
** If connected. The console windows will show the message "Escape character is '^]'. " for {{Linux}}. Or show a blank window for {{Win}} If you want to end the telnet command. You can (1) press {{Kbd plus | key1 = Ctrl | key2 = ]}} and (2) keyin {{Kbd | key = quit}} to end the telnet.
** If failed. It will show the message: "telnet: Unable to connect to remote host: Connection refused"

=== case 2: Where are you? localhost where the application located ===
If you has permission to log in the server via SSH or Remote desktop service.
* (1)open the browser, (2)type the address: {{kbd | key = <nowiki>http://127.0.0.1</nowiki> }}
* {{Gd}} [http://www.canyouseeme.org/ Open Port Check Tool]: ''Using browser'' to check the specified port of local machine from canyouseeme.org. 
* Linux command: {{kbd | key = <nowiki>lynx http://127.0.0.1</nowiki>}} <ref>[http://lynx.isc.org/lynx2.8.7/lynx2-8-7/lynx_help/Lynx_users_guide.html Lynx Users Guide v2.8.7]</ref> for {{Linux}}

telnet 
# {{kbd | key = telnet 127.0.0.1 80}}
# (after telnet-ed the web 80 port, key in) {{kbd_plus | key1 = get | key2 = SPACE}}
# more on [http://www.simplescripts.de/http-check-port-80-telnet-command.htm HTTP Check Port 80 with the Telnet Command]

netstat ex: find MySQL 3306 port
# {{kbd | key = <nowiki>netstat -a | find "3306"</nowiki>}} (note: require the '''double quote''' symbol, not single quote symbol) for {{Win}}<ref>[http://technet.microsoft.com/en-us/library/bb490947.aspx Netstat]</ref> or {{kbd | key = <nowiki>netstat -npl | grep 3306</nowiki>}}<ref>[http://www.cyberciti.biz/faq/find-out-which-service-listening-specific-port/ Linux / UNIX Find Out What Program / Service is Listening on a Specific TCP Port]</ref> for {{Linux}}
# more on [http://www.techrepublic.com/blog/security/list-open-ports-and-listening-services/443 List open ports and listening services]

tools
# {{Gd}} [http://www.nirsoft.net/utils/cports.html CurrPorts: Monitoring TCP/IP network connections on Windows]
# [http://portforward.com/help/portcheck.htm PFPortCheck Program]: check TCP/UDP port from localhost(where you installed the program) to portforward.com
# [http://technet.microsoft.com/en-us/sysinternals/bb897437 TCPView for Windows]

=== troubleshooting steps ===
We met the trouble on WAN
* testing on WAN: Down for everyone or just me? Check by [[Web_Ping#同時從世界各處測試網站連線 | Web Ping]]
* testing on localhost: 
** Is service alive?
** server with iptable limit? protected by antivirus?
* testing on LAN: Is service alive? The servers between LAN or with the same ip class (ex: 1.2.3.*) often without firewall limit.
** double [[Testing#check_the_server.2Fservice_logs | check the server/service logs]]
* find the problem occurred: (1)local service (2)server to LAN (3)server to WAN
* other issue: 
** bandwidth cost too much by certain users,
** exceed the request limit of firewall

== user client node ==

=== browser issue ===
* browser version: [[Check Browser Compatibility]] & Validation service or [[Validator]]: Check Markup or CSS syntax
* clear browser cache
** client temporary files
** clear server cache ex: [http://www.smarty.net/manual/en/caching.php Smarty Caching]
* code snippet web-based editor / communication tools between developers/designers
** [http://codepad.org/ codepad] {{access | date=2012-10-02}}
** [http://cssdesk.com/ CSSDesk] HTML, CSS {{access | date=2013-02-11}}
** [http://dabblet.com/ The first commented line is your dabblet’s title ✿ dabblet.com]: view the [http://dabblet.com/gist/2779082 sample] of html and css {{access | date = 2012-08-22}}
** [http://ideone.com/ Ideone.com] "Online IDE & Debugging Tool >> C/C++, Java, PHP, Python, Perl and 40+ compilers and interpreters"
** [http://jsbin.com/ JS Bin - Collaborative JavaScript Debugging]: HTML, CSS, Javascript
** [http://jsfiddle.net/ jsFiddle]
* [http://pastie.org/ Pastie] with syntax highlighting

=== plug-ins issue ===
* [http://www.adobe.com/software/flash/about/ Test your Adobe Flash Player installation]
* [http://www.adobe.com/shockwave/welcome/ Adobe - Test Adobe Shockwave Player]
* test java: [http://www.java.com/en/download/testjava.jsp How do I test whether Java is working on my computer?]

=== e-mail testing issue ===
Using the following e-mail service with name alias or alternative name function
* [https://gmail.google.com/ Google Gmail]: plus sign {{exclaim}} the plus sign is not allowed by some services
* [http://get.live.com/mail/overview Windows Live™ Hotmail]: [http://windows.microsoft.com/zh-TW/hotmail/conquergraymail/advanced/alias Alias] / 在一個收件匣建立多個別名 {{access | date=2012-03-30}}

=== monitoring the status or changes of files or registry ===
* [http://technet.microsoft.com/en-us/sysinternals/bb896642 FileMon for Windows] / [http://portable.easylife.tw/102 Filemon v7.04 - 檔案即時監控 :: 綠色工廠 Easylife Blog]
* [http://technet.microsoft.com/en-us/sysinternals/bb896652 RegMon for Windows] / [http://portable.easylife.tw/101 RegMon v7.04 - 註冊表監控 :: 綠色工廠 Easylife Blog]

=== monitoring the HTTP request sent to the server ===
[[HTTP request and response data tool]]

=== domain name issue ===
Modify the following before the domain changed if you want to test the domain name
* C:\WINDOWS\system32\drivers\etc\hosts for {{win}} XP, Win7<ref>[http://tommy.ironman.tw/windows-7-vista-hosts-error/ Azan 黃贊臣 » 在Windows 7 或 Vista 中修改hosts檔的方法]</ref>
* C:\WINNT\system32\drivers\etc\hosts for Windows 2003 server
* {{kbd | key=<nowiki>/etc/hosts</nowiki>}} for {{Linux}} 
<pre>
127.0.0.1       localhost
# ip            domain.com
</pre>


more on [[Web_Ping#DNS.E6.AA.A2.E6.9F.A5 | DNS checking]]

=== handling form data ===
before submit the form data
* (1)Use the [https://addons.mozilla.org/zh-tw/firefox/addon/web-developer/ Web Developer] plugin for {{Fx}} and (2)Menu -> Forms -> Display form details

after submit the form data
* PHP var_dump $_POST 或 $_GET
* [http://api.jquery.com/serialize/ .serialize() | jQuery API Documentation]


=== account login issue ===
If you need to clear the cookie frequently for the testing account issue
* Using the privacy browsing for {{Fx}} & {{Chrome}}. Each time you turning on the privacy browsing, the logged status and cookie will not saved.<ref>[http://support.mozilla.org/en-US/kb/private-browsing-browse-web-without-saving-info Private Browsing - Browse the web without saving information about the sites you visit | Firefox Help]</ref>
* Manually clear cookie and temporary files of browser

=== file upload ===
* [http://www.fakefilegenerator.com/generate-file.php Generate a File - Fake File Generator] allow to specify the filesize

=== excel format compatibility ===
Using Microsoft [http://www.microsoft.com/en-us/download/details.aspx?id=10 Excel Viewer] to check the excel format compatibility. {{exclaim}} It's not save to check the excel file only by using the old version of Excel.

== local server node (if you has permission to log in the server via SSH or Remote desktop service) ==

=== check the server/service logs ===
==== OS ====
===== Microsoft Windows =====
** XP / Vista: 控制台 --> 系統管理工具 --> 事件檢視器
** [http://www.microsoft.com/technet/support/ee/ee_basic.aspx 事件和錯誤訊息中心: 基本搜尋]

==== Web server ====
===== Apache =====
[http://httpd.apache.org/ Apache HTTP server] log: /etc/httpd/logs  (location was set up in the configuration file /etc/httpd/conf/httpd.conf)
* access.log
* error.log - record when the apache service restarted/stopped
Using grep command to search the logs: {{kbd | key=<nowiki>grep -ir "string to search" /path/to/directory</nowiki>}}. More on [[Desktop_search#Search_text_in_files| Search text in files]]

===== IIS =====
[http://www.iis.net/ Microsoft Internet Information Services] (IIS) log (記錄檔)<ref>[http://www.dotblogs.com.tw/jimmyyu/archive/2009/06/26/9006.aspx (ASP.NET)從Log追蹤錯誤 - gipi的學習筆記-職場規劃、專案管理、雲端運算部落格- 點部落]</ref>
*  C:\WINDOWS\system32\LogFiles\

==== Database server ====
===== MySQL =====
[http://dev.mysql.com/doc/refman/5.1/en/server-logs.html MySQL Server Logs]: 
* step1: enable logging /var/log/mysql.log (location was set up in the configuration file /etc/my.cnf or my.ini) <ref>[http://blog.longwin.com.tw/2005/10/mysql_query_slow_find/ 找出 MySQL 哪些 Query 速度較慢 | Tsung's Blog]</ref>
<pre>
[mysqld] 
## include sql command
# general_log = 1
# general_log_file="general_log_file.log"
log-error=/var/log/mysql/error.log
log-slow-queries = /var/log/mysql/mysql-slow.log
#another syntax
#slow_query_log_file = mysql-slow.log
long_query_time = 1
log-long-format
</pre>

* step2: restart MySQL service

==== Other ====
===== PHP =====
native error logging
* [http://www.php.net/ PHP] log: check the configuration file: /etc/php.ini (the location of configuration file can be verified by [http://php.net/manual/en/function.phpinfo.php phpinfo()] )
(for production site) unmark theese lines in the php.ini and restart Apache service
<pre>
log_errors = On
error_log = "php_error.log"
</pre>
(for development site) using [http://php.net/manual/en/function.error-reporting.php error_reporting]
<pre>
error_reporting(E_ALL);
</pre>
* [http://php.net/manual/en/function.error-log.php PHP: error_log - Manual]

capture the result of var_dump:
ob_start
* [http://stackoverflow.com/questions/139474/how-can-i-capture-the-result-of-var-dump-to-a-string php - How can I capture the result of var_dump to a string? - Stack Overflow]
<pre>
ob_start();
var_dump($some_variable);
$result = ob_get_clean();
error_log($result, 3, 'd:/result.log');
</pre>

QuickForm
<pre>
$result = var_dump($some_variable);
$form->addElement('html', $result);
</pre>

show the line number and filename
<pre>
echo 'Houston, we've had a problem '. __line__ . ' ' . __FILE__ ."<br />";
</pre>
more on [http://php.net/manual/en/language.constants.predefined.php PHP: Magic constants]

===== Java =====

<pre>
System.out.println("Boston, We Have A Problem" + variable);
</pre>

== find match string ==
* {{kbd | key= grep 'string' filename -r}}
** [http://www.gnu.org/software/grep/manual/ manual], [http://greenisland.csie.nctu.edu.tw/wp/2008/03/24/1267/ 教學]

* Desktop search: [[Desktop search#Search_text_in_files | Search text in files]]

: [[Image:Owl icon.jpg]] If the message text or code snippets was '''not found''' in the ''plain text files'', it may stored in the ''database''.

== related topic ==
* [[Comment Syntax]] 
* 設定中斷點

related terms
* functional testing

== references ==
<references/>

[[Category:Software]]
[[Category:Programming]]
[[Category:Web_Dev]]
[[Category:MySQL]]