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Unit testing with Catch2! and Trompeloeil

I needed to unit test some arduino code I was working on, which required the use of a mocking framework. After reading online, I discovered that trompeloeil (working in conjunction with Catch2!) was probably the best approach to this.

They are both header only libraries, favouring a ‘no-default’ approach to testing; in the words of Bjorn Fahller (developer of Trompeloeil):

I wanted to reduce the number of wtf moments.

Table of Contents

1. Use example

   1. Creating a test environment

   2. Mocking classes

2. Catch2! Cookbook

3. Trompeloeil Cookbook

Use example

Creating a test environment

Mocking classes

Catch2! Cookbook

Trompeloeil Cookbook

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Conan package manager

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Using SWIG with CMake