how do you test a web service

by Enrico Brekke Published 3 years ago Updated 2 years ago

To test a Web service

Create a new Web performance test. ...
In the Web Performance Test Editor, right-click the Web performance test and select Add Web Service Request.
In the Url property of the new request, type the name of the Web service.
Open a different session of the browser and type the URL of the .asmx page in the Address toolbar. ...

Full Answer

What are the basics of Web Services Testing?

Web Services Testing is a type of software testing that validates Web services. The purpose of Web Services Testing is to check the functionality, reliability, performance, and security of an API(Application Program Interface). Web Service Testing is similar to unit testing in some cases. You can test a Webservice manually or create your own ...

What tools are used to test web services?

What tools are used to test web services? Supports most of the web service core technologies – WSDL, SOAP, UDDI. An ideal and powerful tool for testing web services. Web service methods can be easily located, inspected and invoked through XML IDE. Additional features include XML mappers, schema editors and XSLT debuggers.

How to test web services manually?

Performance Testing:

Website application response times at different connection speeds
Load test your web application to determine its behavior under normal and peak loads
Stress test your web site to determine its break point when pushed to beyond normal loads at peak time.
Test if a crash occurs due to peak load, how does the site recover from such an event

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How to test connectivity to the web service?

telnet One of the widely used commands to test essential connectivity between servers, server to another network device’s IP. The syntax for the command is easy.

How do you test web service?

Understand the WSDL file.Determine the operations that particular web service provides.Determine the XML request format which we need to send.Determine the response XML format.Using a tool or writing code to send request and validate the response.

What tools would you use to test a web service?

We have both manual and automation testing tools available to test web services. For manual testing, we need to write our own code that sends a request and validate the response....Top 16 Web Service Testing toolsSoapUI Pro.Katalon Studio.TestMaker.WebInject.SOAPSonar.wizdl.Stylus Studio.TestingWhiz.More items...•

Why do we test web services?

Web services testing assesses the function that application is supposed to provide. Testers check if a web service can provide a client application the response it needs.

How do you test a web service endpoint?

Test a Web Service EndpointNavigate to the Web service you want to test and review the operations. ... Test one of the operations using a security policy. ... Review the results of the test.Test the operation again, generating a load for the application. ... Review the test results.More items...

What is difference between web service and API testing?

Both APIs and web services are technologies that enable the transfer of data between separate software applications. API is an interface that exposes an application's data to outside software, whereas web applications are one type of API with stricter requirements.

What is a web server test?

The Server test verifies the availability and measures the response time of any TCP/UDP-based web service connected to the Internet. Server tests include HTTP, HTTPS, FTP, SMTP, POP3, IMAP, SSH, Telnet, DNS and Custom services.

How do I run a web service?

How to create a Web ServiceGo to Visual Studio then click on "File" -> "Website" -> "ASP.NET empty website template". ... Step 2 Add a Web Service File. ... To see whether the service is running correctly go to the Solution Explorer then open "Airthmatic. ... Step 4 Creating the client application.More items...•

What is Web testing with examples?

Web testing, or web application testing, is a software practice that ensures quality by testing that the functionality of a given web application is working as intended or as per the requirements. Web application testing allows you to find bugs at any given time, prior to a release, or on a day-to-day basis.

Is postman used to test web services?

Postman is a request testing toolset. The purpose of Postman is to send test requests from the client to the server and receive the server's responses. The example in this article calls a custom web service that uses cookie-based authentication from Postman.

How do I know if a web service is working?

To just check if your Web Service is working, try invoking the url in soap:address location attribute of WSDL following by ? wsdl. In browser, check if http://localhost:8080/ABCService/ABCPort?wsdl is working. This tells you if web service is really up and running.

How do I test an API service?

API testing flow is quite simple with three main steps: Send the request with necessary input data. Get the response having output data. Verify that the response returned as expected in the requirement.

What is soap and REST API testing?

An API is designed to expose certain aspects of an application's business logic on a server, and SOAP uses a service interface to do this while REST uses URIs. While SOAP APIs are designed after the functions that the API exposes, REST APIs are designed after the data.

Which automation tool is best for web testing?

Listed below are some of the most reliable and popular Automation tools for web testingSelenium. The best free web application testing automation tools. ... Appium. ... Katalon Studio. ... Cucumber. ... HPE Unified Functional Testing. ... TestComplete. ... Worksoft. ... IBM Rational Functional Tester.More items...•

Is postman used to test Web services?

Is Selenium a Web testing tool?

Selenium is a free, open-source automation testing suite for web applications across different browsers and platforms. It is somewhat similar to HP QuickTest Pro (QTP, currently UFT). However, Selenium focuses on automating web-based applications. Testing done using Selenium is usually referred to as Selenium testing.

Can we test Web services using selenium?

Selenium is a set of tools that automate web browser.so go API you can use JMeter, Postman or SoapUi. Selenium does not support API testing.

What is WebService?

Web Services is the mechanism or the medium of communication through which two applications / machines will exchange the data irrespective of their underline architecture and the technology.

What format does a web service send a response in?

Generally web service takes the request and sends the response in the XML format.

What is WSDL in web services?

WSDL (Web Services Description Language) is an XML based language which will be used to describe the services offered by a web service. WSDL describes all the operations offered by the particular web service in the XML format.

How to display SOAP request in XML?

Expand the first request and double click on the ‘Request1’. It will display the SOAP request in the XML format.

What is software application?

In general, software applications are developed to be consumed by the human beings, where a person sends a request to a software service which in-turn returns a response in human readable format.

Do you need to collect weather forecast data?

For example you want to display weather forecast information you don’t need to collect, process and render the data in your application. You can buy the services from the people who already well-established in processing and publishing such kind of data.

Looking at the WSDL for a web service from a browser

To view the WSDL document for a web service I created named UserService, I just went to the following URL in my browser:

Calling a web service SET method from a browser

To call a method on my web service named setTwoNumbers, which shows up in the WSDL as setTwoNumbers (int param0, int param1), I typed this as a URL in my browser:

Calling a web service GET method from a browser

After first calling my method to set the two parameters, I was then able to call these two methods and get my numbers (5 and 10) back from them:

Follow-up

While this tip works just fine when you're using Axis or Axis2, it does not work if you’re using XFire. There are other ways to test XFire web services from tools like Eclipse, but personally I like the browser approach as a quick test.

Can I use ASP.NET on IIS?

Yes and no. If you are using the built in ASP.NET dev server (most likely, since you have :####), I don't believe that can be contacted externally. But, you can "deploy" to the local IIS instance and it then can be hit from other computers. Web Service Studio is a good test tool for web services.

Is Web Service Studio good?

But, you can "deploy" to the local IIS instance and it then can be hit from other computers. Web Service Studio is a good test tool for web services. There are also some really good open source tools out there. I like SoapUI myself.

What Is Web Testing?

Web testing is a software testing practice to test websites or web applications for potential bugs. It’s a complete testing of web-based applications before making live.

What is web application testing?

The web application is a combination of front-end and back-end programming.

How to test if cookies are encrypted?

Test if the cookies are encrypted before writing to the user machine. If you are testing session cookies (i.e. cookies that expire after the session ends) check for login sessions and user stats after the session ends. Check the effect on application security by deleting the cookies.

What is crossbrowser testing?

CrossBrowserTesting allows you to make every web experience perfect, on any browser or mobile device with their cloud-based real device lab. Ditch your VMs and device lab. Easily run manual, visual, and Selenium tests in the cloud on 2050+ real desktop and mobile browsers.

What is loadninja test?

LoadNinja lets you load test your web application with real browsers at scale, using test scripts that can be replayed immediately after recording, producing actionable browser-based performance data to isolate issues and debug errors in real-time.

What is usability testing?

Usability testing is the process by which the human-computer interaction characteristics of a system are measured, and weaknesses are identified for correction.

What is navigation in web?

Navigation means how a user surfs the web pages, different controls like buttons, boxes or how the user uses the links on the pages to surf different pages.

What is load testing?

Load testing. Load testing is used to determine how an application performs based on a certain volume of users. Generally, load tests will increase the volume of requests in the duration of the tests, but load tests can be used to gather performance data from any given load, small or large.

What is endurance testing?

Endurance testing (also known as Soak Testing) is a way to test your application with a typical production load over a prolonged period of time to determine the behavior, the endurance, of a system during normal use.

Why are performance tests useless?

The results of performance tests are rendered useless if they're not run in an environment that closely resembles, or is an exact replica of, the production environment. If your tests are run on a machine with half the CPU and memory of your production server , the results won't tell you anything about the actual performance of your production application.

Why is it important to understand the different performance test types?

It is important to understand the different performance test types in order to reduce risks, minimize cost, and know when to apply the appropriate test over the course of a given performance-testing project. These are the three most common types of tests you'll hear in the software world.

Why is it important to have a view into the slowest queries?

Having a view into the slowest queries can make it easier to track down specific operations with latency, whereas the average response time is more general, and only gives you an idea of the entire system.

Is Stackify a good testing environment?

Stackify has a great introduction to performance testing, and this sums up their thoughts on a proper testing environment nicely: Conducting performance testing in a test environment that is similar to the production environment is a performance testing best practice for a reason.

Can performance testing be done in production?

The differences between the elements can significantly affect system performance. It may not be possible to conduct performance testing in the exact production environment, but try to match hardware components, operating system and settings, applications used on the system, and databases.

What is web service ecosystem?

Hosts: The current ecosystem of web service comprises ads and analytics servers, content delivery networks, social media and syndicated content, multiple hosts are put to use. The hosts serving the web service may be a source of lag due to the response times involved in processing requests.

What does "load" mean in web services?

Load means how well a system or application can handle multiple requests coming from concurrent users. The load test results are analyzed based on the following parameters: a. Page load time: A short page load time means better user experience and engagement. The web service does not take more than a second to load.

What does "test in real life scenarios too" mean?

e. Test in real life scenarios too, after testing it in simulated conditions.

What is response load time?

c. Response load time: This analysis-worthy point helps understand the reason why any page behaves the way it does. The response load time helps find which activity or instance is consuming the most time or resource. All the tests done in load test can be integrated into various kinds of web service performance monitoring tools.

What is load test?

Load means how well a system or application can handle multiple requests coming from concurrent users. The load test results are analyzed based on the following parameters: 1 Page Load Time 2 Request and response throughput 3 Response load time 4 Errors and warnings 5 Hosts

Why does bandwidth reach a plateau?

Bandwidth reaches a plateau after a certain point of data handling. The point of reaching the highest use is mostly due to firewalls. Load test allows to find what setting will be required to ensure that the bandwidth does not reach the maximum use.

Does a web service take more than a second to load?

The web service does not take more than a second to load. Thus, the web service may enter an SLA with the developer where they agree upon having a page load time. There is a challenge of bottleneck to combat too. It arises when the page load time differs due to the nature of content. b.

What to do if you can't access the server?

If you can't access the server, then you have to make the webservice write that log remotely to another computer you have access to.

What is the best technique to use to log what actually happens with the service?

The best technique would be to use WCF tracing (possibly with message-level tracing) to log what actually happens with the service, good or bad. A human can then look at the logs to see if they are "fine".

Can you connect and send a valid message?

You could connect and send it a valid message, then check the result to ensure that it is valid. That will give you a pretty good idea that when a real client calls the service immediately afterwards, the real client should expect a valid result.

Can you write your self a little tool or windows service?

You can write your self a little tool or windows service or whatever you need then look at these 2 articles:

Do you need to ping a web service?

You don't need to ping the webservice, but instead ping the server with a watchdog service or something. There is no need to " ping" the webservice. I also think you don't need to do this anyway. Either your webservice works or it doesn't because of bad code.