A little bash script to run tests when a file has been changed

Automatically Running PHPUnit With Facebook's Watchman

#!/usr/bin/env bash

function pw {
    # Register the command you want to run when changes are detected here
    run="clear && printf '\e[3J' && vendor/bin/phpunit"

    # Retrieve the custom argments. If none are provided, default to "tests"
    [[ -n $@ ]] && args=$@ || args="tests"

    # Run the command first...
    eval "$run $args"
    
    # ...then start watching for changes—and run on change
    watchman-make -p 'src/**/*.php' 'tests/**/*.php' \
        --make=$run \
        -t "$args"
}

1. Install via https://facebook.github.io/watchman/
2. Copy the function below into "nano ~/.bashrc" then run this command -> "source ~/.bashrc"
3. Go to your tests suit and run "pw" command. No longer need to run "vendor/bin/phpunit" command on every change