.unittests

#! /bin/bash

# Execute the tests by running:
# >> bash .unittests

set -u

error_exit()
{
    echo "error@unittests: $1"
    exit 1
}

ensure_python_version()
{
        python_exe=python
        pip_exe=pip
        major=$($python_exe --version 2>&1 | awk '{print $2}' | cut -d'.' -f1)
        if [ "$major" != "" -a $major -lt 3 ] 
        then
                # check that python3 is on the path
                python3 --version > /dev/null || error_exit "'python' represent earlier python version( < 3.0) and python3 not existing"
                python_exe=python3
                pip_exe=pip3
        fi  
}

##

ensure_python_version

TOP_DIR=$($python_exe -c "import os; print (os.path.dirname(os.path.realpath('$0')))")

cd $TOP_DIR

if [ $# = 1 ]
then
    # example of test name: 
    # test.unittests.common.test_fs
    $python_exe -m unittest $1 -v
else
    [ $# = 0 ] || error_exit "expect no argument for unittests"
    $python_exe -m unittest discover -s test/unittests -v #test.unittests.common.test_fs
fi

test -d tmp && rm -rf tmp