#!/bin/bash
# some basic sanity / verification

# I don't recommend actually running this unless you have a reason to,
# since it creates & deletes files, and being a test, it is not as thoroughly
# inspected for bugs

# assumes we have trash-put in path, and that lnf-function is in .. to this files location


# 2 arguments, test that a file in the link location is removed and replaed with a link
case1() {
    touch b
    lnf -T a b
    [[ -L b ]]
}

# 2 arguments, test that directory in link location is removed and replaced with a link
case2() {
    mkdir b
    lnf -T a b
    [[ -L b ]]
}

# single argument, test that an existing non-empty directory is removed and replaced by a link
case3() {
    mkdir a
    touch a/b
    lnf ../a
    [[ -L a ]]
}

# 4 arguments, 2 of the link locations already contain files.
# test that they got removed and replaced by links
case4() {
    mkdir a
    touch a/b
    touch a/c
    lnf b c d a
    [[ -L a/b && -L a/c && -L a/d ]]
}

# 2 arguments, test that link is made correctly
case5() {
    mkdir b
    lnf a b
    [[ -L b/a ]]
}



cleanup() {
    rm -rf *
}


docases() {
    for x in {1..5}; do
        case$x
        cleanup
    done
}

source ${0%/*}/../lnf-function
# might want to undo this if things go wrong
# set -x

# trap errors, and output a simple bash stack trace
set -E;
trap 'echo "${BASH_COMMAND:+BASH_COMMAND=\"$BASH_COMMAND\" }
${FUNCNAME:+FUNCNAME=\"$FUNCNAME\" }${LINENO:+LINENO=\"$LINENO\"  }\$?=$?"' ERR
cd $(mktemp -d)
docases
# test again, using rm -rf in place of trash-put.
# assumes that rm is in /bin and trash-put is in /usr/bin
PATH="${PATH//:\/usr\/bin}"
PATH="${PATH//\/usr\/bin:}"
docases

echo tests concluded