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What is a primary challenge when testing microservices compared to testing a single, unified application?

easy📝 Conceptual Q1 of 15
Microservices - Testing Microservices
What is a primary challenge when testing microservices compared to testing a single, unified application?
AWriting unit tests for isolated functions
BEnsuring consistent communication across multiple independent services
CTesting user interface responsiveness
DManaging a single database schema
Step-by-Step Solution
Solution:
  1. Step 1: Identify the nature of microservices

    Microservices are independent services communicating over a network.
  2. Step 2: Understand testing challenges

    Testing must cover inter-service communication, which can fail or behave inconsistently.
  3. Final Answer:

    Ensuring consistent communication across multiple independent services -> Option B
  4. Quick Check:

    Microservices require testing communication, unlike monoliths [OK]
Quick Trick: Microservices need communication testing, unlike monoliths [OK]
Common Mistakes:
  • Confusing UI testing with distributed system testing
  • Assuming unit tests cover inter-service issues
  • Ignoring network communication failures

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