How many of you think that Service Virtualization Changes the Game in Testing Complex Applications? Explain how?

Service Virtualization is the process of adding an intermediate or proxy service between the service provider and the service user, creating a way for application integration. This is done to emulate the behavior of a service in a virtual environment.
Service Virtualization has made SOA to be flexible, agile and practically beneficial.  Service Virtualization provides the opportunities to the developers and testers to create and implement a new feature in isolation without actually impacting the live user. It gives the QA team more time to focus on the functionality rather than be bothered about the way services are communicating. Service Virtualization has made rapid up scaling/ downscaling of an application in a short time frame possible.

These are few importance  reason :-

1. Service virtualization allows us to simulate application dependencies and begin testing earlier.
2. Virtual components consist of data, business rules, and same I/O configuration.
3. Virtual components have a much lighter footprint than the real application.
4. Reduce the cost of testing and eliminate testing delays.
5. Decrease the cost of standing up expensive and complex environment.
6. Remove delays associated to test environment availability.
7. Deliver quality products and services to market faster with less cost.

Service Virtualization changes the Game in Testing Complex Applications. Service Virtualization is used for simulating everything in our software development. Also it is used for simulating test environments. It’s actually a new IT practice and technology.

In “Service-Oriented Architectures” (SOA) which is a type of heterogeneous application, Service Virtualization is commonly used. The behavior of the components in the heterogeneous application need to be emulated which is done by Service Virtualization. In Service Virtualization we don’t need to access the actual live components and testing and development can easily be done when the behavior of the components dependent on each other is virtualized. So, the actual live components are not accessed.

Now talking about complex and interdependent environments there are a number of constraints that occur. The constraints can be like: the application we are testing is controlled by a third-party, the application might not be completed i.e. it’s still in the development stage, it might be difficult to configure in a test environment, also the case when testing is performed in limited capacity and many others.

What Service virtualization exactly does is, it creates a virtual component which actually simulates the behavior of a real components and this is how a “virtual asset” is deployed. These components which have been virtualized are important and are required to perform testing on the application, but the constraints do not allow direct access. Either it is difficult or sometimes it is impossible to access the application which is under development or testing process. Also, Service virtualization does not virtualizes the entire system, but it only virtualizes specific components which are critical and the testing of the application depends on these components.

Service virtualization, which does not access live components and being a fake system, is even better than the real thing. Service Virtualization is making a huge impact in Testing Complex Applications.

Service virtualization means to create and deploy ‘virtual assets’ which simulates the exact behavior of the real component that is required to execute the application under test. This is very cost effective and can be easily used by multiple testers at any given point of time, which accelerates the testing process.  I believe that Service Virtualization Changes the Game in Application testing as it can be easily automated which makes it more effective and reliable.

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