Integration Testing
Integration testing is defined as a type of testing where software modules or systems are integrated logically and tested as a group. A typical software project consists of multiple software modules, coded by different programmers.
The purpose of this level of testing is to expose defects in the interaction between these software modules when they are integrated.
Integration Testing focuses on checking data communication amongst these modules against the requirement of the system specification.
End To End Testing(E2E)
End to end testing (E2E testing) refers to a software testing method that involves testing an application’s workflow from beginning to end. This method basically aims to replicate real user scenarios so that the system can be validated for integration and data integrity.
Essentially, the test goes through every operation the application can perform to test how the application communicates with hardware, network connectivity, external dependencies, databases, and other applications. Usually, E2E testing is executed after functional and system testing is complete.
Software systems nowadays are complex and interconnected with numerous subsystems. If any of the subsystems fails, the whole software system could crash. This is a major risk and can be avoided by end-to-end testing.
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