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Consumer-driven contract testing

更新于 : Nov 07, 2016
这一条目不在当前版本的技术雷达中。如果它出现在最近几期中,那么它很有可能仍然具有相关参考价值。如果这一条目出现在更早的雷达中,那么它很有可能已经不再具有相关性,我们的评估将不再适用于当下。很遗憾我们没有足够的带宽来持续评估以往的雷达内容。 了解更多
Nov 2016
Adopt ? 我们强烈建议业界采用这些技术,我们将会在任何合适的项目中使用它们。

We’ve decided to bring consumer-driven contract testing back from the archive for this edition even though we had allowed it to fade in the past. The concept isn’t new, but with the mainstream acceptance of microservices, we need to remind people that consumer-driven contracts are an essential part of a mature microservice testing portfolio, enabling independent service deployments. But in addition, we want to point out that consumer-driven contract testing is a technique and an attitude that requires no special tool to implement. We love frameworks like Pact because they make proper contract tests easier to implement in certain contexts. But we have noticed a tendency for teams to focus on the framework rather than on the general practice. Writing Pact tests is not a guarantee that you are creating consumer-driven contracts; likewise, in many situations you should be creating good consumer-driven contracts even where no pre-built testing tool exists.

Nov 2015
Adopt ? 我们强烈建议业界采用这些技术,我们将会在任何合适的项目中使用它们。

When two independently developed services are collaborating, changes to the supplier’s API can cause failures for all its consumers. Consuming services usually cannot test against live suppliers since such tests are slow and brittle, so it’s best to use Test Doubles, leading to the danger that the test doubles get out of sync with the real supplier service. Consumer teams can protect themselves from these failures by using integration contract tests – tests that compare actual service responses with test values. While such contract tests are valuable, they are even more useful when consuming services provide these tests to the supplier, who can then run all their consumers’ contract tests to determine if their changes are likely to cause problems – adopting consumer-driven contracts. Such consumer-driven contract tests are an essential part of a mature microservice testing portfolio.

May 2015
Adopt ? 我们强烈建议业界采用这些技术,我们将会在任何合适的项目中使用它们。
发布于 : May 05, 2015


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