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A developer runs Pact tests but sees failures due to missing interactions. What is the most likely cause?

medium📝 Analysis Q6 of 15
Microservices - Testing Microservices
A developer runs Pact tests but sees failures due to missing interactions. What is the most likely cause?
AThe provider service is down
BThe network connection is too slow
CThe consumer contract was not published to the Pact Broker
DThe Pact Verifier version is outdated
Step-by-Step Solution
Solution:

  1. Step 1: Understand missing interactions cause

    If interactions are missing, the verifier cannot find the expected contracts.

  2. Step 2: Identify publishing step

    If the consumer contract was not published to the Pact Broker, the provider cannot verify against it.

  3. Final Answer:

    The consumer contract was not published to the Pact Broker -> Option C

  4. Quick Check:

    Missing interactions = Contract not published [OK]
Quick Trick: Always publish contracts to Pact Broker before verification [OK]
Common Mistakes:
  • Blaming provider downtime
  • Ignoring contract publishing step
  • Assuming network speed causes missing data

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