#### Beyond Linux® From Scratch (System V Edition) - Version 12.3

### Chapter 9. General Libraries

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# Umockdev-0.19.1

## Introduction to Umockdev

The Umockdev package contains a framework that allows a developer to mock devices for use in unit testing.

This package is known to build and work properly using an LFS 12.3 platform.

### Package Information

- Download (HTTP): https://github.com/martinpitt/umockdev/releases/download/0.19.1/umockdev-0.19.1.tar.xz

- Download MD5 sum: 05e3edda217c404aae1c78adf7e10d18

- Download size: 488 KB

- Estimated disk space required: 6.2 MB (with tests)

- Estimated build time: 0.1 SBU (with tests)

### Umockdev Dependencies

#### Required

libgudev-238, libpcap-1.10.5, and Vala-0.56.17

#### Optional

GTK-Doc-1.34.0, Valgrind-3.24.0 (for tests), and libgphoto2 (for tests)

## Installation of Umockdev

Install Umockdev by running the following commands:

    mkdir build &&
    cd    build &&

    meson setup --prefix=/usr --buildtype=release .. &&
    ninja

To test the results, issue as the `root` user: ninja test. One test needs to be run in an X session.

Now, as the `root` user:

    ninja install

## Command Explanations

`-D gtk_doc=true`: Use this switch if you have GTK-Doc-1.34.0 installed and wish to rebuild and install the API documentation.

## Contents

Installed Programs: umockdev-record, umockdev-run, and umockdev-wrapper
Installed Libraries: libumockdev-preload.so and libumockdev.so
Installed Directories: /usr/include/umockdev-1.0

### Short Descriptions

umockdev-record | records Linux devices and their ancestors from sysfs/udev or records ioctls for a device
umockdev-run | runs a program under an umockdev testbed
umockdev-wrapper | wraps a program around `libumockdev-preload.so.0` through LD_PRELOAD
`libumockdev.so` | provides API functions that allow mocking hardware devices for unit testing

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