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What is End to End Testing?

End to end testing (E2E testing) refers to a software testing process that involves testing the complete journey of every use case of a software from start to finish. End to End testing entails simulating real world user scenarios to validate the application for functionality and data integrity.

During this type testing, the test engineers go through every function the software can perform to test how it communicates with hardware, networks, external apps and variables, databases, and other applications. Usually, end to end testing is carried out after the completion of functional and system testing.

Steps for End-to-End Testing

We follow the following steps to conduct End to End testing.

Analyse requirements

Establish clarity on the working of the software taking into account all possible use case scenarios

Test Environment Set up

The state of the environment is created based on the requirements

Prepare Test Plan

We list down the testing methods to prepare test cases for all the requirements. This Includes clear descriptions of the tools /processes to be used for each test.

Test Case design

We write down the test cases to address each and every aspect of every requirement

Test Execution

We execute the test cases as per the test plan and document results

End to End Testing typically includes the following three activities:
1. User Functions

To create user functions, we do the following:

  • Enlist all the functions of the application and the connected sub-systems.
  • Log all actions performed as part of each function.
  • Establish clear relationships between user functions.
2. Conditions

To create conditions for the respective user functions, we determine a set of conditions for every user function. This includes a list of any factors that can affect user functions.

3. Test Cases

To build test cases for End to End Testing, as a thumb rule, we write multiple test cases for testing every functionality of each user function to address multiple conditions.

What are the factors to measure End to End Testing

To track the progress of End to End testing we take into account the following factors:

Test case preparation: Are we creating the appropriate test cases for each function of the application?

Weekly reporting: A progress report of the quantum of test completion each week is vital to maintain planned schedules. The parameters considered here are tests cases currently in progress, test cases not executed, and failed test cases.

Defect Tracking: Maintaining a log of identified defects, closed, or opened on a weekly basis is important. We distribute these defects amongst test engineers for resolution based on priority, and that allows test engineers and test managers to keep track of defects and oversee their resolution.

Test environment availability: This gives us a comparison between the time scheduled for testing every day on an as is available basis and the time actually spent on testing.

Why is End to End Testing necessary?

Typically, in most organisations, software applications are rarely standalone. They are connected to multiple systems and databases outside their native environment. Consequently, this makes the workflow associated with the software fairly complex.

End to End testing determines if all the external dependencies of an application are functioning perfectly. It also verifies whether accurate information is being shared across multiple system constituents.


End to End testing verifies and validates the database and server-side application layers. This is critical to the proper functioning of the applications since its core functionalities depend on backend infrastructure.

Multi-tier system

For apps with a complex architecture whose workflows move through multiple layers, End to End testing will verify overall functionality as well as the interaction across individual layers in the architecture.

Distributed Environment

For software based on SOA (service-oriented architecture) or hosted on the cloud, End to End testing is critical. End to End testing verifies the working of multiple components within an application that are required to work in tandem for successful working of the entire software.

Consistent User Experience

End to End testing involves the user interface. This ensures that the application delivers a user experience that works seamlessly across multiple devices, platforms, and environments. End to End testing verifies and validates cross browser compatibility across devices and platforms

Best Practices for End to End Testing

For End-to-End testing to achieve the best results, we follow the below mentioned practices to ensure a smooth testing process while keeping the costs in check.

Prioritize End Use

While creating test cases, we keep the user in mind. Our test engineers get into the mindset of a user using the software for the first time. Are you able to easily find your way around? Are the features easily navigable? Can users get what they want within two or three clicks? We make use of acceptance testing documents and user stories to clearly establish the user’s point of view and subsequently design the test cases accordingly.

We focus our End-to-End Testing efforts on features of the software whose failure can potentially create maximum problems. We start with such features first, and design comprehensive test cases to verify them. It’s like creating a risk assessment matrix for the software.

Exception Testing

End to End Testing is best suited to test common use cases. For testing exceptional user scenarios, integration testing, or low-level unit testing is better suited.

Maintain Order

Since End-to-End testing covers the entire software, test cases are going to be complex. Each and every component of the system needs to be tested, which adds to the probability of failure and also adds to the complexity of debugging each anomaly. How we structure and organise the End-to-End testing process is very important. Our test engineers conduct unit and integration tests to begin with to resolve the first level of bugs.

Given the nature of end to end testing, and the fact that it verifies and validates the entire system, literally from end to end, it needs detailed planning from the very beginning of a project. End to End testing is best managed manually, as it allows testers to put themselves in the users’ shoes. Having said that, in certain scenarios, automation testing may be a good option. In those cases, we limit it to features that are low-risk and require repetitive action

We view End-to-End testing as a must have part of the testing journey. Prepare early, and allocate time, effort, and resources into it to deliver a seamless user experience and prevent avoidable disruptions in their experience.

Why choose Girikon?
End-to-End coverage

Throughout the testing lifecycle, we conduct all necessary types of testing: performance, functional, security, usability, database, API, Integration, and more to offer maximum test coverage.

Complete transparency

You will get complete transparency of our testing activities and we take full responsibility for them. Also, our testing teams are experts in fully aligning our testing methods with your business processes to maximise efficiency and efficacy of our testing.

Established KPIs

Before we start testing, we establish the most critical quality assurance KPIs of your business and keep you updated about their status. This allows you to track our progress on the testing activities and verify if the intermediate results are in sync with your business goals.

Get in touch

Contact us to know how our End-to-End Testing services can deliver the ultimate User Experience.


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