updated install wordpress testing bash script

install-wp-tests.sh

#!/usr/bin/env bash


if [ $# -lt 3 ]; then
        echo "usage: $0 <db-name> <db-user> <db-pass> [db-host] [wp-version]"
        exit 1
fi

DB_NAME=$1
DB_USER=$2
DB_PASS=$3
DB_HOST=${4-localhost}
WP_VERSION=${5-master}
DB_EXISTS=0
WP_TAR_EXISTS=0
HAS_WGET=0
HAS_CURL=0
HAS_MYSQLADMIN=0
HAS_SVN=0
HAS_TAR=0


WP_TESTS_DIR=${WP_TESTS_DIR-/tmp/wordpress-tests-lib}
WP_CORE_DIR=/tmp/wordpress/

set -e

# Some boilerplate checks and notices

precheck() {
        
        if hash wget 2>/dev/null ; then
                HAS_WGET=1
        fi

        if hash curl 2>/dev/null ; then
                HAS_CURL=1
        fi

        if hash svn 2>/dev/null ; then
                HAS_SVN=1
        fi

        if hash tar 2>/dev/null ; then
                HAS_TAR=1
        fi

        if hash mysqladmin 2>/dev/null ; then
                HAS_MYSQLADMIN=1
        fi

        if [ "$HAS_WGET" != 1 ] && [ "$HAS_CURL" != 1 ]; then
                echo "This requires either wget or curl to be installed"
                exit
        fi

        if [ "$HAS_TAR" != 1 ]; then
                echo "This requires tar to be installed"
                exit
        fi

        if [ "$HAS_SVN" != 1 ]; then
                echo "This requires svn to be installed"
                exit
        fi

        if [ "$HAS_MYSQLADMIN" != 1 ]; then
                echo "This requires mysqladmin to be installed"
                exit
        fi

        printf "\033c" #clear the screen
        echo "This script installs an instance of WordPress to use in your unit testing. The script will only work if one of the following are true:" 
        echo ""
        echo "- $DB_NAME exists, is empty and $DB_USER/$DB_PASS has write permissions to it"
        echo "                                 -or-"
        echo "- $DB_NAME *not* exist and $DB_USER/$DB_PASS has permissions to create it"
        echo ""
       
        
}

# if the user has curl installed, check that the $HTTP_TAR_FILE returns a 200, if it doesn't error out with a message, otherwise continue
# if the user does not have cur installed, move on

check_http_status() {
        if [ ! -x /usr/bin/curl ] ; then
                echo "curl not installed, skipping check if $HTTP_TAR_FILE exists"
        else
                echo "cURL is installed, let's check if $HTTP_TAR_FILE exists"
                status_code=$(curl -o /dev/null --silent --head --write-out '%{http_code}\n' $HTTP_TAR_FILE)
                if [ $status_code -ne "200" ]
                then
                        echo "Received an error when trying to download '$HTTP_TAR_FILE', make sure you entered a correct version"
                        exit
                fi
                echo "It exists, let's move on."
        fi

}

# actual installation of wordpress

install_wp() {

        mkdir -p $WP_CORE_DIR

        if [ $WP_VERSION == 'master' ]; then 
                local ARCHIVE_NAME='latest'
        else
                local ARCHIVE_NAME="wordpress-$WP_VERSION"
        fi
        HTTP_TAR_FILE="http://wordpress.org/${ARCHIVE_NAME}.tar.gz"
        
        check_http_status #check if $HTTP_TAR_FILE returns a 200

        wget -nv -O /tmp/wordpress.tar.gz $HTTP_TAR_FILE
        tar --strip-components=1 -zxmf /tmp/wordpress.tar.gz -C $WP_CORE_DIR

        wget -nv -O $WP_CORE_DIR/wp-content/db.php https://raw.github.com/markoheijnen/wp-mysqli/master/db.php
}

# installation of test suite
install_test_suite() {
        # portable in-place argument for both GNU sed and Mac OSX sed
        if [[ $(uname -s) == 'Darwin' ]]; then
                local ioption='-i ""'
        else
                local ioption='-i'
        fi

        # set up testing suite
        mkdir -p $WP_TESTS_DIR
        cd $WP_TESTS_DIR
        svn co --quiet http://develop.svn.wordpress.org/trunk/tests/phpunit/includes/

        wget -nv -O wp-tests-config.php http://develop.svn.wordpress.org/trunk/wp-tests-config-sample.php
        sed $ioption "s:dirname( __FILE__ ) . '/src/':'$WP_CORE_DIR':" wp-tests-config.php
        sed $ioption "s/youremptytestdbnamehere/$DB_NAME/" wp-tests-config.php
        sed $ioption "s/yourusernamehere/$DB_USER/" wp-tests-config.php
        sed $ioption "s/yourpasswordhere/$DB_PASS/" wp-tests-config.php
        sed $ioption "s|localhost|${DB_HOST}|" wp-tests-config.php
}

# setup the database

install_db() {
        # parse DB_HOST for port or socket references
        local PARTS=(${DB_HOST//\:/ })
        local DB_HOSTNAME=${PARTS[0]};
        local DB_SOCK_OR_PORT=${PARTS[1]};
        local EXTRA=""
        
        

        if ! [ -z $DB_HOSTNAME ] ; then
                if [[ "$DB_SOCK_OR_PORT" =~ ^[0-9]+$ ]] ; then
                        EXTRA=" --host=$DB_HOSTNAME --port=$DB_SOCK_OR_PORT --protocol=tcp"
                elif ! [ -z $DB_SOCK_OR_PORT ] ; then
                        EXTRA=" --socket=$DB_SOCK_OR_PORT"
                elif ! [ -z $DB_HOSTNAME ] ; then
                        EXTRA=" --host=$DB_HOSTNAME --protocol=tcp"
                fi
        fi

        mysqlshow $DB_NAME > /dev/null 2>&1 && DB_EXISTS=1
        
        if [ $DB_EXISTS == 1 ]; then
                echo "Database already exists, moving on..."
        else
                echo "Creating database"
                # create database
                mysqladmin create $DB_NAME --user="$DB_USER" --password="$DB_PASS"$EXTRA
        fi

        if [ $WP_VERSION == 'master' ]; then
                WP_VERSION='latest version'
        fi
        echo "Installed WordPress $WP_VERSION in $WP_TESTS_DIR, you are ready to test."
        
}




precheck
install_wp
install_test_suite
install_db