godot-xterm/test/unit/test_dcs_parser.gd

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2020-05-09 19:07:31 +02:00
# Copyright (c) 2020 The GodotXterm authors.
# Copyright (c) 2019 The xterm.js authors. All rights reserved.
# License MIT
extends "res://addons/gut/test.gd"
const DcsParser = preload("res://addons/godot_xterm/parser/dcs_parser.gd")
const Parser = preload("res://addons/godot_xterm/parser/escape_sequence_parser.gd")
const Params = preload("res://addons/godot_xterm/parser/params.gd")
const Decoder = preload("res://addons/godot_xterm/input/text_decoder.gd")
class Handler:
extends Reference
var _output
var _msg
var _return_false
func _init(output: Array, msg: String, return_false: bool = false):
_output = output
_msg = msg
_return_false = return_false
func hook(params):
_output.append([_msg, 'HOOK', params.to_array()])
func put(data: Array, start: int, end: int):
_output.append([_msg, 'PUT', Decoder.utf32_to_string(data, start, end)])
func unhook(success: bool):
_output.append([_msg, 'UNHOOK', success])
if _return_false:
return false
var parser: DcsParser
var reports: Array
func to_utf32(s: String):
var utf32 = []
utf32.resize(s.length())
var decoder = Decoder.Utf8ToUtf32.new()
var length = decoder.decode(s.to_utf8(), utf32)
assert_eq(length, s.length())
return utf32.slice(0, length - 1)
func handler_fallback(id, action, data):
if action == 'HOOK':
data = data.to_array()
reports.append([id, action, data])
func before_each():
parser = DcsParser.new()
parser.set_handler_fallback(self, 'handler_fallback')
reports = []
func test_set_dcs_handler():
parser.set_handler(Parser.identifier({'intermediates': '+', 'final': 'p'}),
Handler.new(reports, 'th'))
parser.hook(Parser.identifier({'intermediates': '+', 'final': 'p'}),
Params.from_array([1, 2, 3]))
var data = to_utf32('Here comes')
parser.put(data, 0, data.size())
data = to_utf32('the mouse!')
parser.put(data, 0, data.size())
parser.unhook(true)
assert_eq(reports, [
# messages from Handler
['th', 'HOOK', [1, 2, 3]],
['th', 'PUT', 'Here comes'],
['th', 'PUT', 'the mouse!'],
['th', 'UNHOOK', true],
])
func test_clear_dcs_handler():
var ident = Parser.identifier({'intermediates': '+', 'final': 'p'})
parser.set_handler(ident, Handler.new(reports, 'th'))
parser.clear_handler(ident)
parser.hook(ident, Params.from_array([1, 2, 3]))
var data = to_utf32('Here comes')
parser.put(data, 0, data.size())
data = to_utf32('the mouse!')
parser.put(data, 0, data.size())
parser.unhook(true)
assert_eq(reports, [
# messages from fallback handler
[ident, 'HOOK', [1, 2, 3]],
[ident, 'PUT', 'Here comes'],
[ident, 'PUT', 'the mouse!'],
[ident, 'UNHOOK', true],
])