#!/bin/bash
#
# .---.                  .              .
# |                      |              |
# |--- .--. .-.  .-.  .-.|  .-. .--.--. |.-.  .-. .--.  .-.
# |    |   (.-' (.-' (   | (   )|  |  | |   )(   )|  | (.-'
# '    '     --'  --'  -' -  -' '  '   -' -'   -' '   -  --'
#
#                    Freedom in the Cloud
#
# Run tests on the system

# License
# =======
#
# Copyright (C) 2015-2016 Bob Mottram <bob@robotics.uk.to>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

PROJECT_NAME='freedombone'

export TEXTDOMAIN=${PROJECT_NAME}-tests
export TEXTDOMAINDIR="/usr/share/locale"

function show_help {
    echo ''
    echo $"${PROJECT_NAME}-tests"
    echo ''
    echo $'Runs tests on the system'
    echo ''
    echo $'     --help                   Show help'
    echo ''
    exit 0
}

function test_app_function_type {
    filename=$1
    fn_type=$2
    app_name=$(echo "${filename}" | awk -F '-app-' '{print $2}')
    app_function=$(cat "${filename}" | grep "function ${fn_type}_${app_name} {" | awk -F "${fn_type}_" '{print $2}' | awk -F ' ' '{print $1}')
    if [ ! ${app_function} ]; then
        echo $"Application ${app_name} does not contain a function called '${fn_type}_${app_name}'"
        echo ''
        echo "See ${filename}"
        exit 72852
    fi
}

function test_app_functions {
    FILES=/usr/share/${PROJECT_NAME}/apps/${PROJECT_NAME}-app-*

    # check that these functions exist
    interface_functions=( install remove backup_local backup_remote restore_local restore_remote upgrade reconfigure change_password )

    # for all the app scripts
    for filename in $FILES
    do
        # for each expected interface function
        for f in "${interface_functions[@]}"
        do
            test_app_function_type ${filename} $f
        done
    done
}

while [[ $# > 1 ]]
do
    key="$1"

    case $key in
        -h|--help)
            show_help
            ;;
        *)
            # unknown option
            ;;
    esac
    shift
done

echo $'Running tests'

test_app_functions

echo $'All tests passed'

exit 0
