How to do realworld generating test with spec?

MageMasher · December 20, 2019, 7:01pm

Also should include this post on shrinking your custom generators.

clojure/test.check/blob/master/doc/growth-and-shrinking.md

# Growth and Shrinking

Sizing in test.check seems simple at first glance, but there are
subtleties that are important to understand to ensure that your tests
are covering what you expect them to, and that failing cases can
shrink in an effective way.

It's useful to keep in mind that the way test.check controls the
"size" of the data it generates is entirely different from how it
shrinks failing examples, and we'll cover both of these processes
below.

## Growth

### The `size` Parameter

Internally, a generator cannot produce a value without specifying what
`size` the value should be. This is what allows test.check to start a
test run by trying very simple values first, and gradually trying
larger and larger values. The meaning of `size` depends on the

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Joe.