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# ##############################################################################
#(G)odot (U)nit (T)est class
#
# ##############################################################################
# The MIT License (MIT)
# =====================
#
# Copyright (c) 2020 Tom "Butch" Wesley
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#
# ##############################################################################
# Description
# -----------
# Command line interface for the GUT unit testing tool. Allows you to run tests
# from the command line instead of running a scene. Place this script along with
# gut.gd into your scripts directory at the root of your project. Once there you
# can run this script (from the root of your project) using the following command:
# godot -s -d test/gut/gut_cmdln.gd
#
# See the readme for a list of options and examples. You can also use the -gh
# option to get more information about how to use the command line interface.
# ##############################################################################
#-------------------------------------------------------------------------------
# Parses the command line arguments supplied into an array that can then be
# examined and parsed based on how the gut options work.
#-------------------------------------------------------------------------------
class CmdLineParser:
var _used_options = []
# an array of arrays. Each element in this array will contain an option
# name and if that option contains a value then it will have a sedond
# element. For example:
# [[-gselect, test.gd], [-gexit]]
var _opts = []
func _init():
for i in range(OS.get_cmdline_args().size()):
var opt_val = OS.get_cmdline_args()[i].split('=')
_opts.append(opt_val)
# Parse out multiple comma delimited values from a command line
# option. Values are separated from option name with "=" and
# additional values are comma separated.
func _parse_array_value(full_option):
var value = _parse_option_value(full_option)
var split = value.split(',')
return split
# Parse out the value of an option. Values are separated from
# the option name with "="
func _parse_option_value(full_option):
if(full_option.size() > 1):
return full_option[1]
else:
return null
# Search _opts for an element that starts with the option name
# specified.
func find_option(name):
var found = false
var idx = 0
while(idx < _opts.size() and !found):
if(_opts[idx][0] == name):
found = true
else:
idx += 1
if(found):
return idx
else:
return -1
func get_array_value(option):
_used_options.append(option)
var to_return = []
var opt_loc = find_option(option)
if(opt_loc != -1):
to_return = _parse_array_value(_opts[opt_loc])
_opts.remove(opt_loc)
return to_return
# returns the value of an option if it was specified, null otherwise. This
# used to return the default but that became problemnatic when trying to
# punch through the different places where values could be specified.
func get_value(option):
_used_options.append(option)
var to_return = null
var opt_loc = find_option(option)
if(opt_loc != -1):
to_return = _parse_option_value(_opts[opt_loc])
_opts.remove(opt_loc)
return to_return
# returns true if it finds the option, false if not.
func was_specified(option):
_used_options.append(option)
return find_option(option) != -1
# Returns any unused command line options. I found that only the -s and
# script name come through from godot, all other options that godot uses
# are not sent through OS.get_cmdline_args().
#
# This is a onetime thing b/c i kill all items in _used_options
func get_unused_options():
var to_return = []
for i in range(_opts.size()):
to_return.append(_opts[i][0])
var script_option = to_return.find('-s')
if script_option != -1:
to_return.remove(script_option + 1)
to_return.remove(script_option)
while(_used_options.size() > 0):
var index = to_return.find(_used_options[0].split("=")[0])
if(index != -1):
to_return.remove(index)
_used_options.remove(0)
return to_return
#-------------------------------------------------------------------------------
# Simple class to hold a command line option
#-------------------------------------------------------------------------------
class Option:
var value = null
var option_name = ''
var default = null
var description = ''
func _init(name, default_value, desc=''):
option_name = name
default = default_value
description = desc
value = null#default_value
func pad(to_pad, size, pad_with=' '):
var to_return = to_pad
for _i in range(to_pad.length(), size):
to_return += pad_with
return to_return
func to_s(min_space=0):
var subbed_desc = description
if(subbed_desc.find('[default]') != -1):
subbed_desc = subbed_desc.replace('[default]', str(default))
return pad(option_name, min_space) + subbed_desc
#-------------------------------------------------------------------------------
# The high level interface between this script and the command line options
# supplied. Uses Option class and CmdLineParser to extract information from
# the command line and make it easily accessible.
#-------------------------------------------------------------------------------
var options = []
var _opts = []
var _banner = ''
func add(name, default, desc):
options.append(Option.new(name, default, desc))
func get_value(name):
var found = false
var idx = 0
while(idx < options.size() and !found):
if(options[idx].option_name == name):
found = true
else:
idx += 1
if(found):
return options[idx].value
else:
print("COULD NOT FIND OPTION " + name)
return null
func set_banner(banner):
_banner = banner
func print_help():
var longest = 0
for i in range(options.size()):
if(options[i].option_name.length() > longest):
longest = options[i].option_name.length()
print('---------------------------------------------------------')
print(_banner)
print("\nOptions\n-------")
for i in range(options.size()):
print(' ' + options[i].to_s(longest + 2))
print('---------------------------------------------------------')
func print_options():
for i in range(options.size()):
print(options[i].option_name + '=' + str(options[i].value))
func parse():
var parser = CmdLineParser.new()
for i in range(options.size()):
var t = typeof(options[i].default)
# only set values that were specified at the command line so that
# we can punch through default and config values correctly later.
# Without this check, you can't tell the difference between the
# defaults and what was specified, so you can't punch through
# higher level options.
if(parser.was_specified(options[i].option_name)):
if(t == TYPE_INT):
options[i].value = int(parser.get_value(options[i].option_name))
elif(t == TYPE_STRING):
options[i].value = parser.get_value(options[i].option_name)
elif(t == TYPE_ARRAY):
options[i].value = parser.get_array_value(options[i].option_name)
elif(t == TYPE_BOOL):
options[i].value = parser.was_specified(options[i].option_name)
elif(t == TYPE_NIL):
print(options[i].option_name + ' cannot be processed, it has a nil datatype')
else:
print(options[i].option_name + ' cannot be processed, it has unknown datatype:' + str(t))
var unused = parser.get_unused_options()
if(unused.size() > 0):
print("Unrecognized options: ", unused)
return false
return true
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