#!/bin/zsh

setopt extended_glob

cd $(dirname $0)
bin=../../dist/build/fix-imports/fix-imports

tests=$*
if [[ -z $tests ]]; then
    tests=$(echo *(/))
fi

tmp=$(mktemp -t fix-imports)

function test() {
    pushd $1
    local flags=
    if [[ -r flags ]]; then
        flags=$(cat flags)
    fi
    $bin ${=flags} Main.hs <Main.hs >& $tmp
    diff $tmp expected
    local failed=$?
    if [[ $failed != 0 ]]; then
        echo '==== expected:'
        cat expected
        echo '==== got:'
        cat $tmp
    fi
    popd
    return $failed
}

failed=0
for test in ${=tests}; do
    if ! test $test; then
        echo $test FAILED
        failed=1
        break
    else
        echo $test passed
    fi
done

rm -f $tmp
exit $failed