{"id":620,"date":"2019-09-11T16:07:31","date_gmt":"2019-09-11T20:07:31","guid":{"rendered":"https:\/\/www.redline13.com\/blog\/?p=620"},"modified":"2019-09-11T16:07:31","modified_gmt":"2019-09-11T20:07:31","slug":"jmeter-multiple-random-file-uploads","status":"publish","type":"post","link":"https:\/\/www.redline13.com\/blog\/2019\/09\/jmeter-multiple-random-file-uploads\/","title":{"rendered":"JMeter Testing Multiple Random File Uploads &#8211; Updated"},"content":{"rendered":"<p>This is one of our most popular blog posts &#8211; File Uploads. Check out a new section #3:&nbsp;Adding Parameters to your HTTP Request. Read below for lots of great information.<\/p>\n<p>There are many cases of testing performance of API Endpoints for file uploads.&nbsp;We chose to demonstrate scaling out such a test building our load test plan in JMeter. JMeter supports file uploads natively within the <a href=\"http:\/\/jmeter.apache.org\/usermanual\/component_reference.html#HTTP_Request\">HTTP Request<\/a>, and Redline13 supports attaching files to your test plan. However, user uploads are random, so we need to generate files sized from 10,000 to 100,000 characters.<\/p>\n<h3>1. Load Plan<\/h3>\n<p>We wanted each load agent to simulate 60 users, each user loading 20 photos of random size.<\/p>\n<p><a href=\"https:\/\/www.redline13.com\/blog\/wp-content\/uploads\/2015\/02\/Screen-Shot-2015-02-10-at-12.41.08-AM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-621\" src=\"https:\/\/www.redline13.com\/blog\/wp-content\/uploads\/2015\/02\/Screen-Shot-2015-02-10-at-12.41.08-AM.png\" alt=\"Screen Shot 2015-02-10 at 12.41.08 AM\" width=\"414\" height=\"236\" srcset=\"https:\/\/www.redline13.com\/blog\/wp-content\/uploads\/2015\/02\/Screen-Shot-2015-02-10-at-12.41.08-AM.png 641w, https:\/\/www.redline13.com\/blog\/wp-content\/uploads\/2015\/02\/Screen-Shot-2015-02-10-at-12.41.08-AM-300x171.png 300w\" sizes=\"auto, (max-width: 414px) 100vw, 414px\" \/><\/a><\/p>\n<h3>2. Create HTTP Request Defaults and HTTP Request for File Uploads<\/h3>\n<p>The Request Default is your standard setup of Server Name.<\/p>\n<p>Within the HTTP Request, we can configure our File Upload from variables.<\/p>\n<p>In the &#8216;Send Files with Request&#8217; section, we set<\/p>\n<ul>\n<li>File Path to be a variable ${filename}<\/li>\n<li>Parameter Name to the variable&nbsp;name the server side expects<\/li>\n<\/ul>\n<p><a href=\"https:\/\/www.redline13.com\/blog\/wp-content\/uploads\/2015\/02\/Screen-Shot-2015-02-10-at-12.48.11-AM.png\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-624\" src=\"https:\/\/www.redline13.com\/blog\/wp-content\/uploads\/2015\/02\/Screen-Shot-2015-02-10-at-12.48.11-AM.png\" alt=\"Screen Shot 2015-02-10 at 12.48.11 AM\" width=\"874\" height=\"423\" srcset=\"https:\/\/www.redline13.com\/blog\/wp-content\/uploads\/2015\/02\/Screen-Shot-2015-02-10-at-12.48.11-AM.png 1449w, https:\/\/www.redline13.com\/blog\/wp-content\/uploads\/2015\/02\/Screen-Shot-2015-02-10-at-12.48.11-AM-300x145.png 300w, https:\/\/www.redline13.com\/blog\/wp-content\/uploads\/2015\/02\/Screen-Shot-2015-02-10-at-12.48.11-AM-1024x495.png 1024w, https:\/\/www.redline13.com\/blog\/wp-content\/uploads\/2015\/02\/Screen-Shot-2015-02-10-at-12.48.11-AM-768x372.png 768w\" sizes=\"auto, (max-width: 874px) 100vw, 874px\" \/><\/a><\/p>\n<h3>3. Adding Parameters to your HTTP Request<\/h3>\n<p>In many cases, we need to send additional parameters alongside the file to be uploaded. In order to do this we need to click \u201cUse multipart\/form-data\u201d option.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-6903\" src=\"https:\/\/www.redline13.com\/blog\/wp-content\/uploads\/2015\/02\/word-image.png\" alt=\"Additional parameters for file uploads\" width=\"1514\" height=\"793\" srcset=\"https:\/\/www.redline13.com\/blog\/wp-content\/uploads\/2015\/02\/word-image.png 1514w, https:\/\/www.redline13.com\/blog\/wp-content\/uploads\/2015\/02\/word-image-300x157.png 300w, https:\/\/www.redline13.com\/blog\/wp-content\/uploads\/2015\/02\/word-image-1024x536.png 1024w, https:\/\/www.redline13.com\/blog\/wp-content\/uploads\/2015\/02\/word-image-768x402.png 768w\" sizes=\"auto, (max-width: 1514px) 100vw, 1514px\" \/><\/p>\n<p>It is not mandatory to specify the \u201cContent Type\u201d but it is a good practice. Fill in the \u201cMIME Type\u201d field to specify what type of a file we are sending . In our example we are sending a simple text file and we write a \u201ctext\/plain\u201d on this field. If you were uploading an image with png format you would use \u201cimage\/png\u201d as the MIME Type.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" width=\"1505\" height=\"793\" class=\"wp-image-6904\" src=\"https:\/\/www.redline13.com\/blog\/wp-content\/uploads\/2015\/02\/word-image-1.png\" srcset=\"https:\/\/www.redline13.com\/blog\/wp-content\/uploads\/2015\/02\/word-image-1.png 1505w, https:\/\/www.redline13.com\/blog\/wp-content\/uploads\/2015\/02\/word-image-1-300x158.png 300w, https:\/\/www.redline13.com\/blog\/wp-content\/uploads\/2015\/02\/word-image-1-1024x540.png 1024w, https:\/\/www.redline13.com\/blog\/wp-content\/uploads\/2015\/02\/word-image-1-768x405.png 768w\" sizes=\"auto, (max-width: 1505px) 100vw, 1505px\" \/><\/p>\n<h3>4. Generate Random Files in Pre-Processor<\/h3>\n<p>To achieve this for each request, we used the &#8216;<a href=\"http:\/\/jmeter.apache.org\/usermanual\/component_reference.html#BeanShell_PreProcessor\">Bean Shell PreProcessor<\/a>&#8216; with the following code snippet<\/p>\n<blockquote><p><code> import org.apache.commons.io.FileUtils;<br \/>\nimport org.apache.commons.lang3.RandomStringUtils;<br \/>\nimport org.apache.commons.lang3.RandomUtils;<\/code><\/p>\n<p><code>\/\/ Create a temp file<br \/>\nFile myFile = File.createTempFile(\"upload-\", \"\" );<br \/>\n<\/code><\/p>\n<p><code>\/\/ Generate Random length string and write to file<br \/>\nFileUtils.writeStringToFile(myFile, RandomStringUtils.random( RandomUtils.nextInt( 1000, 100000 ) ), \"UTF-8\" );<br \/>\n<\/code><\/p>\n<p><code>\/\/ Store file name in variable.<br \/>\nvars.put( \"filename\", myFile.getCanonicalPath() );<\/code><\/p><\/blockquote>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-627\" src=\"https:\/\/www.redline13.com\/blog\/wp-content\/uploads\/2015\/02\/Screen-Shot-2015-02-10-at-12.52.21-AM.png\" alt=\"Screen Shot 2015-02-10 at 12.52.21 AM\" width=\"771\" height=\"329\" srcset=\"https:\/\/www.redline13.com\/blog\/wp-content\/uploads\/2015\/02\/Screen-Shot-2015-02-10-at-12.52.21-AM.png 1092w, https:\/\/www.redline13.com\/blog\/wp-content\/uploads\/2015\/02\/Screen-Shot-2015-02-10-at-12.52.21-AM-300x128.png 300w, https:\/\/www.redline13.com\/blog\/wp-content\/uploads\/2015\/02\/Screen-Shot-2015-02-10-at-12.52.21-AM-1024x437.png 1024w, https:\/\/www.redline13.com\/blog\/wp-content\/uploads\/2015\/02\/Screen-Shot-2015-02-10-at-12.52.21-AM-768x328.png 768w\" sizes=\"auto, (max-width: 771px) 100vw, 771px\" \/><\/p>\n<h3>5. Clean Up Files in Post Processor<\/h3>\n<p>Clean up is a pretty simple task.<\/p>\n<blockquote><p><code><br \/>\nimport org.apache.commons.io.FileUtils;<br \/>\n\/\/ Delete file and do not throw error<br \/>\nFileUtils.deleteQuietly(new File( vars.get(\"filename\")));<br \/>\n<\/code><\/p><\/blockquote>\n<h3>6. Example Test and JMX File Uploads<\/h3>\n<p>Here is an example 4 Server test executing&nbsp;almost 5,000 uploads under 5 minutes.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-625\" src=\"https:\/\/www.redline13.com\/blog\/wp-content\/uploads\/2015\/02\/Screen-Shot-2015-02-10-at-12.55.57-AM.png\" alt=\"Screen Shot 2015-02-10 at 12.55.57 AM\" width=\"648\" height=\"376\" srcset=\"https:\/\/www.redline13.com\/blog\/wp-content\/uploads\/2015\/02\/Screen-Shot-2015-02-10-at-12.55.57-AM.png 1038w, https:\/\/www.redline13.com\/blog\/wp-content\/uploads\/2015\/02\/Screen-Shot-2015-02-10-at-12.55.57-AM-300x174.png 300w, https:\/\/www.redline13.com\/blog\/wp-content\/uploads\/2015\/02\/Screen-Shot-2015-02-10-at-12.55.57-AM-1024x594.png 1024w, https:\/\/www.redline13.com\/blog\/wp-content\/uploads\/2015\/02\/Screen-Shot-2015-02-10-at-12.55.57-AM-768x445.png 768w\" sizes=\"auto, (max-width: 648px) 100vw, 648px\" \/><\/p>\n<p>You can now download the JMX file and browse the results at <a title=\"File Upload Test Plan\" href=\"https:\/\/www.redline13.com\/share\/testplan\/11595\">File Upload Test Plan<\/a>.&nbsp;With RedLine13, you can run a&nbsp;<a href=\"https:\/\/www.redline13.com\/blog\/2017\/02\/jmeter\/\">JMeter Load Test<\/a>&nbsp;with your JMX script of any mobile application, web application, or API.<\/p>\n<div class=\"entry-content\">\n<div class=\"entry-the-content\">\n<p>You can run your own test with file uploads on&nbsp;<a href=\"https:\/\/www.redline13.com\/Service\">RedLine13<\/a>&nbsp;for free.<\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"<p>This is one of our most popular blog posts &#8211; File Uploads. Check out a new section #3:&nbsp;Adding Parameters to your HTTP Request. Read below for lots of great information. There are many cases of testing performance of API Endpoints for file uploads.&nbsp;We chose to demonstrate scaling out such a test building our load test plan in JMeter. JMeter supports file uploads natively within the HTTP Request, and Redline13 supports attaching files to your test plan.<a class=\"more-link\" href=\"https:\/\/www.redline13.com\/blog\/2019\/09\/jmeter-multiple-random-file-uploads\/\">Read More &rarr;<\/a><\/p>\n","protected":false},"author":1,"featured_media":625,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2,7],"tags":[213,283,318],"class_list":{"0":"entry","1":"post","2":"publish","3":"author-user","4":"post-620","6":"format-standard","7":"has-post-thumbnail","8":"category-blog","9":"category-jmeter","10":"post_tag-file-upload","11":"post_tag-jmeter","12":"post_tag-load-testing"},"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.12 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>JMeter Testing Multiple Random File Uploads - Updated - RedLine13<\/title>\n<meta name=\"description\" content=\"One of our most popular blog posts - File Uploads. Check out a new section:\u00a0Adding Parameters to your HTTP Request. Read more for lots of great info.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.redline13.com\/blog\/2019\/09\/jmeter-multiple-random-file-uploads\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"JMeter Testing Multiple Random File Uploads - Updated - RedLine13\" \/>\n<meta property=\"og:description\" content=\"One of our most popular blog posts - File Uploads. Check out a new section:\u00a0Adding Parameters to your HTTP Request. 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