#! /usr/bin/env bats

# This is a test file for use with the bats testing framework
# https://github.com/bats-core/bats-core
# On Debian: apt install bats

function setup {
    ORIGDIR="$(pwd)"
    TMPDIR="$(mktemp -d)"

    # If no $FORGEBUILD is supplied in ENV, use the default
    # (otherwise you can't `bats ./tests/` manually)
    [ -z "$FORGEBUILD" ] && FORGEBUILD="forgebuild"

    # Setup simple git repository
    GITREPO="$TMPDIR"/git
    mkdir $GITREPO
    cd $GITREPO
    git init
    echo "first commit" > README
    git add README
    git commit -m "first commit"
    
    # Setup forgebuild tasks
    FORGEBUILDDIR="$TMPDIR"/forgebuild
    mkdir $FORGEBUILDDIR
    echo "$GITREPO" > $FORGEBUILDDIR/time.source
    echo "date +%s%N > $TMPDIR/forgebuild-time" > $FORGEBUILDDIR/time
    chmod +x $FORGEBUILDDIR/time
    echo "$GITREPO" > $FORGEBUILDDIR/host.source
    echo "cat \$FORGEBUILDCONF/entry > $TMPDIR/forgebuild-host" > $FORGEBUILDDIR/host
    chmod +x $FORGEBUILDDIR/host
    echo "echo \$(pwd) > $TMPDIR/forgebuild-pwd" > $FORGEBUILDDIR/pwd
    chmod +x $FORGEBUILDDIR/pwd
    echo "$GITREPO" > $FORGEBUILDDIR/pwd.source
    
    # Setup settings
    mkdir $FORGEBUILDDIR/config
    echo "default" > $FORGEBUILDDIR/config/entry
    mkdir $FORGEBUILDDIR/$HOSTNAME
    echo "host" > $FORGEBUILDDIR/$HOSTNAME/entry
}

function teardown {
    cd $ORIGDIR
    if [ -d $TMPDIR ]; then rm -rf $TMPDIR; fi
}

# Task settings
@test "Per-host configuration is loaded as \$FORGEBUILDCONF" {
    $FORGEBUILD -b $FORGEBUILDDIR host
    [[ "$(cat $TMPDIR/forgebuild-host)" = "host" ]]
}

@test "Unknown host uses \$FORGEBUILDDIR/config as \$FORGEBUILDCONF" {
    HOST="UNKNOWN" $FORGEBUILD -b $FORGEBUILDDIR host
    [[ "$(cat $TMPDIR/forgebuild-host)" = "default" ]]
}

@test "task only runs in allowlisted hosts" {
    # When t.hosts exist, only this (line-separated) list of hosts
    # runs the task
    echo "$HOSTNAME" > $FORGEBUILDDIR/time.hosts
    $FORGEBUILD -b $FORGEBUILDDIR time
    TIME="$(cat $TMPDIR/forgebuild-time)"

    # Doesn't run on unknown host
    HOST="UNKNOWN" $FORGEBUILD -b $FORGEBUILDDIR time
    NEWTIME="$(cat $TMPDIR/forgebuild-time)"
    [[ "$TIME" = "$NEWTIME" ]]

    echo "TESTHOST" >> $FORGEBUILDDIR/time.hosts
    # Force trigger because repo was not updated
    HOST="TESTHOST" $FORGEBUILD -f -b $FORGEBUILDDIR time
    NEWTIME="$(cat $TMPDIR/forgebuild-time)"
    [[ "$TIME" != "$NEWTIME" ]]
}

@test "task doesn't run in ignored host" {
    touch $FORGEBUILDDIR/$HOSTNAME/time.ignore
    $FORGEBUILD -b $FORGEBUILDDIR time
    [ ! -f $TMPDIR/forgebuild-time ]

    HOST="TESTHOST" $FORGEBUILD -f -b $FORGEBUILDDIR time
    [ -f $TMPDIR/forgebuild-time ]
}