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Mastering Clojure

You're reading from   Mastering Clojure Understand the philosophy of the Clojure language and dive into its inner workings to unlock its advanced features, methodologies, and constructs

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Product type Paperback
Published in Mar 2016
Publisher Packt
ISBN-13 9781785889745
Length 266 pages
Edition 1st Edition
Languages
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Author (1):
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Akhil Wali Akhil Wali
Author Profile Icon Akhil Wali
Akhil Wali
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Toc

Table of Contents (14) Chapters Close

Preface 1. Working with Sequences and Patterns FREE CHAPTER 2. Orchestrating Concurrency and Parallelism 3. Parallelization Using Reducers 4. Metaprogramming with Macros 5. Composing Transducers 6. Exploring Category Theory 7. Programming with Logic 8. Leveraging Asynchronous Tasks 9. Reactive Programming 10. Testing Your Code 11. Troubleshooting and Best Practices A. References
Index

Generative testing

Another form of testing is generative testing, in which we define properties of functions that must hold true for all inputs. This is quite different compared to enumerating the expected inputs and outputs of functions, which is essentially what unit tests and specs do. In Clojure, generative testing can be done using the test.check library (https://github.com/clojure/test.check). This library is inspired by Haskell's QuickCheck library, and provides similar constructs for testing properties of functions.

Note

The following library dependencies are required for the upcoming examples:

[org.clojure/test.check "0.9.0"]

Also, the following namespaces must be included in your namespace declaration:

(ns my-namespace
  (:require [clojure.test.check :as tc]
            [clojure.test.check.generators :as gen]
            [clojure.test.check.properties :as prop]
            [clojure.test.check.clojure-test 
             :refer [defspec]]))

The following examples can be...

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