This article focuses on understanding assertions in SoapUI. We have previously touched on elements of SoapUI, including the creation of projects, adding WSDL, formatting requests, getting responses, and creating test material. Therefore, if you are unfamiliar with these topics, we highly recommend examining our full SoapUI training series on this page to fully comprehend these pivotal elements.
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Before we begin, let’s clarify what assertions are in terms of web services. As examiners, our task is to contrast the expected behavior of the system with its real performance and create an assertion or validation predicated on this comparison. With web services, manual inspection can be an arduous and lengthy process, particularly when dealing with multiple and large data responses. This is where SoapUI assertions prove useful. They provide us the ability to automate the comparison of the response with the anticipated result and substantiate particular aspects of the response. SoapUI offers several assertion types that can be affixed to test steps to conduct varying types of verifications, such as text matching, XPath comparison, or generating custom inquiries based on our requirements.
Following the execution of a test step, the connected assertions obtain the response for that specific step. If any assertion is unsuccessful, the respective test step is flagged as failed. This notification is viewable in the test case view or the test operation log.
To start with assertions in SoapUI, let’s initially learn about the varied types of assertions that SoapUI provides and how to use them.
SoapUI uses assertions to contrast segments or whole response messages with the anticipated result. These can be appended to any test step in SoapUI. Every type of assertion aims to verify specific aspects of the response, such as text matching, XPath comparison, or generating custom inquiries.
The view of a sample test step assertion screen is as follows:
The above illustration shows that some test steps are successful, marked green, while others are unsuccessful, marked red. This is due to the assertion. If the actual response does not meet the conditions established in the assertion, the result is deemed a failure.
Handling Various Types Of Assertions In SoapUI
SoapUI provides several types of assertions. These include Contains Assertion, Not Contains Assertion, XPath Match Assertion, and XQuery Match Assertion. We will explore each of these assertions:
#1) Contains Assertion
The Contains Assertion verifies if the response consists of a specific text or value. To incorporate a Contains Assertion:
- Select the Add Assertion choice or use the toolbar to introduce an assertion.
- In the Add Assertion window, opt for the Property Content category.
- Pick the Contains assertion and press Add.
- In the assertion arrangement window, define the anticipated condition based on the response. As an illustration, you can input the expected text in the field and select whether to disregard the case in comparison.
When the test suite is operated, the Contains Assertion scrutinizes if the real response comprises the expected text. If the condition is unmet, the assertion results in failure.
#2) Not Contains Assertion
The Not Contains Assertion is used to substantiate requests in undesirable scenarios. It reviews whether the response doesn’t contain a particular text or value. To include a Not Contains Assertion:
- Like the Contains Assertion, choose the Add Assertion choice or apply the toolbar to introduce an assertion.
- Opt for the Property Content category and select the Not Contains assertion.
- Outline the anticipated condition according to the response, akin to the Contains Assertion.
When operating the test suite, the Not Contains Assertion verifies if the actual response doesn’t comprise the expected text. If the condition is unmet, the assertion results in failure.
#3) XPath Match Assertion
The XPath Match Assertion substantiates responses utilizing XPath expressions. It examines the response by contrasting it with the expected result based on XPath expressions. To incorporate an XPath Match Assertion:
- Pick the Add Assertion choice or use the toolbar to introduce an assertion.
- Select the Property Content category and choose the XPath Match assertion.
- In the assertion arrangement window, compose the XPath expression to define the expected outcome.
- Preserve the assertion configuration.
When operating the test suite, the XPath Match Assertion evaluates the response using the XPath expression presented in the configuration. If the actual response is concurrent with the expected result, the assertion is effective; otherwise, it is unsuccessful.
#4) XQuery Match Assertion
The XQuery Match Assertion parallels the XPath Match Assertion. It is employed to examine responses utilizing XQuery expressions. To incorporate an XQuery Match Assertion:
- Like the XPath Match Assertion, select the Add Assertion choice or apply the toolbar to introduce an assertion.
- Choose the Property Content category and pick the XQuery Match assertion.
- Pen the XQuery expression in the assertion arrangement window.
- Maintain the assertion configuration.
When operating the test suite, the XQuery Match Assertion evaluates the response using the XQuery expression offered in the configuration. If the actual response is concurrent with the expected result, the assertion is effective; otherwise, it results in failure.
These are ordinarily used assertions in SoapUI. They permit you to confirm and verify the response of your web services with ease and precision. It is crucial to use assertions efficaciously to ensure that your web services are operating as anticipated. In the forthcoming tutorial, we will delve into the basics of scripting and examine more advanced characteristics in SoapUI. Thus, stay updated and don’t hesitate to share your thoughts, inquiries, and proposals.