1-js/03-code-quality/05-testing-mocha#39
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resolve #21
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校对认领 |
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| 自动化测试在任务中将会被进一步使用。 | ||
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| It's actually a part of the "educational minimum" of a developer. | ||
| 它实际上是一个开发者的“教育最低限度”的一部分。 |
| 当我们在写一个函数时，我们通常可以想象出它应该做什么：哪些参数会给出哪些结果。 | ||
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| During development, we can check the function by running it and comparing the outcome with the expected one. For instance, we can do it in the console. | ||
| 在开发期间，我们可以通过运行程序来检查它并将结果与预期的果进行比较。例如，我们可以在控制台中这么做。 |
| 如果出了问题 —— 那么我们会修复代码，然后再一次运行并检查结果 —— 直到它工作为止。 | ||
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| But such manual "re-runs" are imperfect. | ||
| 但这样的手动“重新运行”是不完美的。 |
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不好意思，没有表达清楚。是中文引号。
[“重新运行”] => [「重新运行」]
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| `it("title", function() { ... })` | ||
| : In the title of `it` we *in a human-readable way* describe the particular use case, and the second argument is a function that tests it. | ||
| : `it` 里面的 “title” 中我们可以以**人类可读**的方式描述特定的用例，第二个参数是一个测试它的函数。 |
| 如此来看，开发是**迭代**的。我们写规范，实现它，确保测试通过，然后写更多的测试来确保它们工作等等。最后，我们有了一个能工作的实现和针对它的测试。 | ||
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| In our case, the first step is complete: we have an initial spec for `pow`. So let's make an implementation. But before that let's make a "zero" run of the spec, just to see that tests are working (they will all fail). | ||
| 在我们的案例中，第一步已经完成了：针对 `pow` 我们有一个初始规范。因此让我们来实现它吧。但在此之前，让我们做一个针对规范的“零”运行，只是为了看到测试正在运行（他们都会失败）。 |
added 2 commits
April 24, 2018 10:57
Signed-off-by: sqrtthree <imsqrtthree@gmail.com>
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@leviding Done. |
leviding
approved these changes
Apr 24, 2018
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resolve #21