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<title>Expectations by jaycfields</title>
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<h1 class="header">Expectations</h1>
<p class="header">a minimalist's unit testing framework</p>
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<h1>
<a name="expectations" class="anchor" href="#expectations"><span class="octicon octicon-link"></span></a>expectations</h1>
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<p>adding signal, removing noise</p>
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<h2>
<a name="freezetime" class="anchor" href="#freezetime"><span class="octicon octicon-link"></span></a>Freezing Time</h2>
If you're using expectations and Joda Time, you now have the ability to freeze time in expectations (version 1.4.16 and above). The following code demonstrates how you can use the freeze-time macro to set the time, verify anything you need, and allow time to be reset for you.
<br><br>
<script src="https://gist.github.com/3989207.js?file=blog_expectations.clj"></script>
<br>
Under the covers freeze-time is setting the current millis using the DateTime you specify, running your code and resetting the current millis in a finally. As a result, after your code finishes executing, even if finishing involves throwing an exception, the millis of Joda Time will be set back to working as you'd expect.
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The freeze-time macro can be used in both the expected and actual forms, and can be nested if you need to set the time multiple times within a single expectation.
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