#!/bin/bash

set -e

if [ "$1" == "-v" -o "$1" == "--verbose" ]; then
    shift
    set -x
    export V=--verbose
    export V_SH=-x
fi

TESTDIR=$(dirname $0)
TESTDIR_ABS=$(cd $TESTDIR && pwd)
export COMMIT_PATCH="$TESTDIR_ABS/../commit-patch $V"

VCSes=$((cd "$TESTDIR/vcs" && ls -1 *.sh) | sed -e 's/\(.*\)\.sh/\1/')
Tests=$(cd "$TESTDIR" && ls -1 *.test)

usage () {
    set +x
    echo "Usage:"
    echo "    $0 [-v|--verbose] <VC>"
    echo ""
    echo "  Where <VC> is one of: $(echo $VCSes)"
    exit 1;
}

VCs=${1:-$VCSes}

[ "$VCs" == "--help" -o "$VCs" == "-h" ] && usage

for vc in "$TESTDIR/vcs/"*.sh; do
    source "$vc"
done

run_test () {
    export VC=$1
    TEST=$2

    [ -d "$TESTDIR/tmp" ] || mkdir "$TESTDIR/tmp"
    WD=$(mktemp -d "$TESTDIR_ABS/tmp/wd.XXXXXXX")
    REPO=$(mktemp -d "$TESTDIR_ABS/tmp/repo.XXXXXXX")

    ${VC}_init "$WD" "$REPO"

    if ! (cd "$WD" && sh $V_SH -e "$TESTDIR_ABS/$TEST"); then
        echo "$VC / $TEST: Test failed."
        exit 1;
    fi

    ${VC}_cleanup "$WD" "$REPO"
    rm -rf "$WD"
    rm -rf "$REPO"
}

for vc in $VCs; do
    for t in $Tests; do
        run_test $vc $t
    done
done

echo "All tests appear to pass."