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PLAINBOX_PROVIDER_DATA - per-provider data directory

PLAINBOX_PROVIDER_DATA(7) Plainbox PLAINBOX_PROVIDER_DATA(7)

NAME

PLAINBOX_PROVIDER_DATA - per-provider data directory

SYNOPSIS

command: example-command $PLAINBOX_PROVIDER_DATA/data-file.dat
 
Running an example-command on a provider-specific data file.

DESCRIPTION

Plainbox providers can require arbitrary data files for successful testing. The absolute path of the provider data/ directory is exposed as the environment variable $PLAINBOX_PROVIDER_DATA. Job commands can use that variable to refer to the data directory in an unambiguous way.

Typical Use Cases

Typically the data file is used by the job command. For example, let's say that an audio file test.wav is stored in the data/ directory of the provider and the intent is to have a job definition which plays that file:
 
id: play-audio-file
plugin: user-verify
summary: play the test.wav file
command: paplay $PLAINBOX_PROVIDER_DATA/test.wav
description:
 Plays the test sound file (test.wav)
Did the sound file play correctly?


 
The job play-audio-file will use the paplay (1) executable to play an audio file shipped by the provider. Since the actual location of the audio file may vary, depending on environment and installation method, the test definition uses the environment variable $PLAINBOX_PROVIDER_DATA to access it in an uniform way.

Checkbox Compatibility

Jobs designed to work with pre-Plainbox-based Checkbox may still refer to the old, somewhat confusing, environment variable CHECKBOX_SHARE. It points to the same directory.

SEE ALSO

PLAINBOX_PROVIDER_DATA

AUTHOR

Zygmunt Krynicki & Checkbox Contributors 2012-2014 Canonical Ltd
January 5, 2016 0.25