#!/bin/bash
#
# Tests input processor
#
#   Copyright (C) 2011 Mike Gerwitz
#
#   This file is part of gsgp. This program is free software: you can
#   redistribute it and/or modify it under the terms of the GNU General Public
#   License as published by the Free Software Foundation, either version 3 of
#   the License, or (at your option) any later version.
#
#   This program is distributed in the hope that it will be useful,
#   but WITHOUT ANY WARRANTY; without even the implied warranty of
#   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#   GNU General Public License for more details.
#
#   You should have received a copy of the GNU General Public License
#   along with this program.  If not, see <http://www.gnu.org/licenses/>.
##

mypath=$( dirname $0 )
. "$mypath/common"

# ensure it throws an error if we don't provide it with scene data (via stdin)
process-input "foo bar" 2>/dev/null <<< "" && {
    simplefail "Should fail if no scene data is provided"
}

# test data
scene_opendoor="opendoor"
doorspeak="Yo. I'm a door."

multiactions="
        MSG foo
        WAIT
        GO somewhereelse
"

testscene="
TYPE input

OBJECT door
    DEFAULT MSG What about the door?
    ACTION open
        GO $scene_opendoor
    ACTION unknown
        UNKNOWNCMD foo
    ACTION multi
        $multiactions

OBJECT foo
    ACTION bar
        MSG Foo bar
OBJECT cow
    ACTION moo
        MSG MOOOOOOOOOOOOOOOOOO!

STORY
This is a test scene.
"

tryinput()
{
    process-input "$1" <<< "$testscene"
}

# ensure it doesn't accept too many words
process-input "foo bar baz" 2>/dev/null <<< "data" && {
    simplefail "Shouldn't allow more words than can be interpreted"
}

# should allow actions on known objects
assert-equal "$( tryinput "open door" )" "GO $scene_opendoor" || {
    fail "Should be able to perform known actions on known objects"
}

# actions on unknown objects should simply output an empty string
assert-equal "$( tryinput "open idkwhat" )" "" || {
    fail "Should not be able to perform actions on unknown objects"
}

# unknown actions on known objects should simply output an empty string
assert-equal "$( tryinput "fondle door" )" "" || {
    simplefail "Should not be able to perform unknown actions on known objects"
}

# all commands associated with an action should be returned (left trimmed)
expected=$( sed 's/ \+//' <<< "$multiactions" )
assert-equal "$( tryinput "multi door" )" "$expected" || {
    fail "All commands for a multi-line action should be returned"
}

# should not fall through to another object (action exists in object below the
# first)
assert-equal "$( tryinput "bar door" )" "" || {
    fail "Actions should not fall through to other objects"
}

# fallthrough shouldn't occur if no newline separates objects
assert-equal "$( tryinput "moo foo" )" "" || {
    fail "Actions should not fall through to other objects (missing nl)"
}