End-to-End Testing vs Integration Testing: Key Differences & When to Use Each
When building reliable software, testing plays a crucial role in ensuring stability and performance. Two widely used testing methodologies— end-to-end testing and integration testing —help developers validate how different components of a system work together. While they may seem similar, they serve different purposes and have unique implementations. In this article, we’ll explore the differences between E2E testing and integration testing , their use cases, tools, and best practices for effective implementation. What is Integration Testing? Integration testing is a type of software testing where individual modules or components are combined and tested as a group. It ensures that these components work together as expected by verifying data flow and communication between different services, databases, and APIs. Key Features of Integration Testing: Tests interactions between software modules. Identifies issues related to API calls, database queries, and depende...