It will check whether the response received is a well formed HTML, XHTML or XML document and show the validation messages. Similar to the XML assertion, HTML assertion validates HTML syntax of the HTML document. Following screenshot shows the test result when tested with HTML page. To verify XML assertion, you just have to add XML Assertion same as the way of adding other assertions and run the test plan. If the invalid XML code found, failure will be reported with an assertion failure message. We will use XML assertion in JMeter to check whether the provided URL consist of valid XML data. In the screenshot below, two requests are failed due to the request size is 71030 bytes. In the screenshot below, among the five HTTP requests two of them are failed and other are passed. Run the Test Plan and observe the results.In the screenshot above, I have added the size “71031” in bytes and selected “=” on the type of comparison. Specify the size to assert in bytes and also specify the type of comparison.To add size assertion in JMeter test plan, right click on Thread Group, go to Add>Assertions and click on Size Assertion.Use the following steps to setup size assertion in JMeter. The assertion will be failed if size of the response received does not matches to the conditions provided. In size assertion we set the limits for the size with specifying the size to be equal to, greater than or not equal to a given number of bytes. Size AssertionĪs the name suggested that size assertion checks the size of the response. Here one of the failed request has taken 3961 milliseconds for loading. In the screenshot below, on the five HTTP requests two of them are failed and other are passed. In the screenshot above, I have added 3000 milliseconds in duration. Specify the duration in asserts in milliseconds.For this, right click on Thread Group, go to Add>Assertions and click on Duration Assertion. Same as adding response assertion, you can add duration assertion.Use the following steps to setup duration assertion in JMeter. The assertion will be passed if the response was received within the given amount of time and it will be failed if not received in the given time. Duration Assertionĭuration assertion will check whether the response was received within the expected time. The assertion will be passed if the expected response code returned otherwise it will be failed. Now execute the test plan and observe the test results through “View Results Tree”, “Assertion Results”, “View Results in Table” etc.JMeter has a special listener to view assertion results, to add assertion results, go to Listener from the thread group and click on Assertion Results.There are different pattern matching rules are available, select the option “Equals” and add “200” on the pattern to test to check whether the testing URL returns a response code “200” or not.Here we are comparing Response Code equal to 200. Now, select one of the fields to test such as “Text Response”, “Response Code”, “Response Message” etc.In this example, I have selected “ Main sample only”. You can choose and apply the assertion to “Main sample only”, “Sub-samples only”, Main sample and sub-samples” etc. At first, right click on Thread Group name, go to Add>Assertions and click on Response Assertion.Use the following steps to setup response assertion after adding samplers and listeners in JMeter. HTTP Request and some listeners such as “View Results Tree” and “View Results in Table” as given on the previous tutorial “ Getting started with JMeter“. It will match the various response patterns such as containing text, response codes, response headers etc.īefore adding assertions on JMeter test plan you have to add a sampler i.e. It allows you to add pattern strings that were compared against the various response from the server. Response assertion is the most commonly used assertion in JMeter. XPath Assertion Types of Assertions in JMeterįollowing are the common types of assertions used on JMeter.
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