#!/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."
testscene="
TYPE input

OBJECT door
    DEFAULT MSG What about the door?
    ACTION open GO $scene_opendoor
    ACTION invalid
    ACTION unknown UNKNOWNCMD foo
    ACTION badgo GO
    ACTION talk MSG $doorspeak
    ACTION badtalk MSG

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"
}

# should not allow actions on unknown objects
assert-equal "$( tryinput "open idkwhat" )" "MSG Cannot open idkwhat" || {
    simplefail "Should not be able to perform actions on unknown objects"
}

# should not allow unknown actions on known objects
assert-equal "$( tryinput "fondle door" )" "MSG Cannot fondle door" || {
    simplefail "Should not be able to perform unknown actions on known objects"
}

# action requires associated command
assert-equal "$( tryinput "invalid door" )" "MSG Cannot invalid door" || {
    simplefail "ACTION directive should require valid command"
}

# should fail on unknown command
tryinput "unknown door" 2>/dev/null && {
    simplefail "ACTION directive should fail on unknwon command"
}

# GO should require a scene
tryinput "badgo door" 2>/dev/null && {
    simplefail "GO command should require a target scene"
}

# MSG should return a message
assert-equal "$( tryinput "talk door" )" "MSG $doorspeak" || {
    fail "MSG command should return a message"
}

# MSG command should require an argument
tryinput "badtalk door" 2>/dev/null && {
    simplefail "MSG should require output text"
}