Test-first development (Maps to testing)

测试优先的开发（映射到测试（testing））

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This is epitomized by "agile" practices that endorse test-first development — building tests before you code.

这可以由“敏捷”实践所概括，其认可测试先行开发——在你编码之前构建测试。

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You may prefer to write the unit test before making any code fixes in a test-first development strategy.

在测试先行的开发策略中，您可能更愿意在进行任何代码修复之前编写单元测试。

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