#!/bin/bash

enum_tests() {
    echo "import_fn"
    echo "import_var"
    echo "import_var_fn"
    echo "import_submodule"
}

ignored() {
    echo declare -f ffoo
    echo FFOO_DEBUG
    echo FFOO_DEBUGINIT
    echo FFOO_DIR
    echo FFOO_INCLUDE
    echo FFOO_MKPRETTY
    echo FFOO_VERBOSE
    echo FFOO_VERSION
}

do_test() {
    local name=$1
    echo "(set -o posix; set) | grep -e '^[a-zA-Z_]' | sed -e 's/=.*//' >> $name.before" >> $name.sh
    echo "declare -F >> $name.before" >> $name.sh
    cat "$name" >> $name.sh
    echo "(set -o posix; set) | grep -e '^[a-zA-Z_]' | sed -e 's/=.*//' >> $name.after" >> $name.sh
    echo "declare -F >> $name.after" >> $name.sh
    sed -i -e "s|\\<ffoom\\>|$ffoom_path|" $name.sh
    env -i bash "$name.sh"
    comm -13 <(sort "$name.before" | grep -vf _ignored_) <(sort "$name.after" | grep -vf _ignored_) > "$name.diff"
    diff -u "$name.diff" "$name.oracle"
}

ffoom_path=$(which ffoom)
tmpdir=$(mktemp -d)

mkdir -p "$tmpdir"
cp -r "test/data/ffoo/"* "$tmpdir"

pushd "$tmpdir"
ignored > _ignored_

for name in $(enum_tests);
do
    do_test "$name";
done

popd
rm -rf $tmpdir