hard20 pts · first answer countscontract-testingtest-strategy

Contract green, production broken

Consumer contract tests pass, but after release the app shows prices 100 times too high. The provider changed "price" from dirhams to fils; the field is still a number. Why did the contracts not catch it?

A.Contract testing never checks numbersB.Pact only works for GraphQLC.The consumer forgot to run its unit testsD.Contracts usually check structure and types with matchers, not the meaning or units of values, so a semantic change can still pass. Add example-based checks for key values and version breaking changes

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Contract green, production broken

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