#!/usr/bin/env bash

targetname=$1

# Note the target name for the documentation targets (-C, -Python, -Gjs)
# incorrectly include a relative path to the srcdir, strip that off for usage
# in directory diffs.
targetbase=${targetname##*/}

case $targetname in
*.gir)
    len=${#targetname}
    limit=$(expr $len - 4)
    diff -u -U 10 ${srcdir}/${targetname:0:${limit}}-expected.gir ${builddir}/${targetname}
    exit $?
    ;;
*.typelib)
    # Do nothing for typelibs, this just ensures they build as part of the tests
    exit 0
    ;;
*-C)
    diff -r -u -w -I '^\s*$' -U 10 ${srcdir}/${targetbase}-expected ${builddir}/${targetbase}
    exit $?
    ;;
*-Python)
    diff -r -u -w -I '^\s*$' -U 10 ${srcdir}/${targetbase}-expected ${builddir}/${targetbase}
    exit $?
    ;;
*-Gjs)
    diff -r -u -w -I '^\s*$' -U 10 ${srcdir}/${targetbase}-expected ${builddir}/${targetbase}
    exit $?
    ;;
*-sections.txt)
    diff -u -w -I '^\s*$' -U 10 ${srcdir}/${targetname::-4}-expected.txt ${builddir}/${targetname}
    exit $?
    ;;
*.py)
    if [[ -z "${TESTARGS}" ]]; then
        # Run as regular Python file if TESTARGS is empty
        PYTHONPATH=${top_builddir}:${top_srcdir} ${PYTHON} ${targetname}
        exit $?
    else
        # Run as Python unittest module with TESTARGS concatenated to the basename of target.
        # Ensure we are in the directory containing the python module first.
        export PYTHONPATH=$(readlink -f ${top_builddir}):$(readlink -f ${top_srcdir})
        modulename=$(basename "${targetbase}" .py)
        (cd $(dirname ${targetname}) &&  ${PYTHON} -m unittest -v "${modulename}.${TESTARGS}")
        exit $?
    fi
    ;;
*)
    echo $"Usage: [TESTARGS=<args>] gi-tester <targetname>"
    exit 1
    ;;
esac
