godot-xterm/test/platform/unix/unix.test.gd

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extends "res://addons/gut/test.gd"
var PTY = load("res://addons/godot_xterm/pty.gd")
var pty
var helper: Helper
func before_all():
if OS.get_name() == "OSX":
helper = MacOSHelper.new()
else:
helper = LinuxHelper.new()
func before_each():
pty = PTY.new()
add_child_autofree(pty)
func test_fork_succeeds():
var err = pty.fork("sh")
assert_eq(err, OK)
func test_fork_has_output():
pty.call_deferred("fork", "exit")
await wait_for_signal(pty.data_received, 1)
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var expected := PackedByteArray(
[
101,
120,
101,
99,
118,
112,
40,
51,
41,
32,
102,
97,
105,
108,
101,
100,
46,
58,
32,
78,
111,
32,
115,
117,
99,
104,
32,
102,
105,
108,
101,
32,
111,
114,
32,
100,
105,
114,
101,
99,
116,
111,
114,
121,
13,
10
]
)
assert_signal_emitted_with_parameters(pty, "data_received", [expected])
func test_open_succeeds():
var result = pty.open()
assert_eq(result[0], OK)
func test_open_creates_a_new_pty():
var num_pts = helper._get_pts().size()
pty.open()
var new_num_pts = helper._get_pts().size()
assert_eq(new_num_pts, num_pts + 1)
func test_open_pty_has_correct_name():
var original_pts = helper._get_pts()
var result = pty.open()
var new_pts = helper._get_pts()
for pt in original_pts:
new_pts.erase(pt)
assert_eq(result[1].pty, new_pts[0])
func test_open_pty_has_correct_win_size():
var cols = 7684
var rows = 9314
var result = pty.open(cols, rows)
var winsize = helper._get_winsize(result[1].master)
assert_eq(winsize.cols, cols)
assert_eq(winsize.rows, rows)
func test_win_size_supports_max_unsigned_short_value():
var cols = 65535
var rows = 65535
var result = pty.open(cols, rows)
var winsize = helper._get_winsize(result[1].master)
assert_eq(winsize.cols, cols)
assert_eq(winsize.cols, rows)
func test_closes_pty_on_exit():
var num_pts = helper._get_pts().size()
pty.fork("sleep", ["1000"])
remove_child(pty)
pty.free()
await wait_seconds(1)
var new_num_pts = helper._get_pts().size()
assert_eq(new_num_pts, num_pts)
# FIXME: Test failing.
func _test_emits_exited_signal_when_child_process_exits():
pty.call_deferred("fork", "exit")
await wait_for_signal(pty.exited, 1)
assert_signal_emitted(pty, "exited")
class Helper:
static func _get_pts() -> Array:
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assert(false) #,"Abstract method")
return []
static func _get_winsize(fd: int) -> Dictionary:
var output = []
assert(
OS.execute("command", ["-v", "python"], output) == 0,
"Python must be installed to run this test."
)
var python_path = output[0].strip_edges()
var exit_code = OS.execute(
python_path,
[
"-c",
(
"import struct, fcntl, termios; print(struct.unpack('HH', fcntl.ioctl(%d, termios.TIOCGWINSZ, '1234')))"
% fd
)
],
output
)
assert(exit_code == 0, "Failed to run python command for this test.")
var size = str_to_var("Vector2" + output[1].strip_edges())
return {rows = int(size.x), cols = int(size.y)}
class TestPTYSize:
extends "res://addons/gut/test.gd"
# Tests to check that psuedoterminal size (as reported by the stty command)
# matches the size of the Terminal node. Uses various scene tree layouts with
# Terminal and PTY nodes in different places.
# See: https://github.com/lihop/godot-xterm/issues/56
const PTY := preload("res://addons/godot_xterm/pty.gd")
var pty: PTY
var terminal: Terminal
var scene: Node
var regex := RegEx.new()
func before_all():
regex.compile(".*rows (?<rows>[0-9]+).*columns (?<columns>[0-9]+).*")
func before_each():
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scene = add_child_autofree(preload("res://test/scenes/pty_and_terminal.tscn").instantiate())
func test_correct_stty_reports_correct_size():
for s in [
"PTYChild",
"PTYSiblingAbove",
"PTYSiblingBelow",
"PTYCousinAbove",
"PTYCousinBelow",
"PTYCousinAbove2",
"PTYCousinBelow2"
]:
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pty = scene.get_node(s).find_child("PTY")
terminal = scene.get_node(s).find_child("Terminal")
pty.call_deferred("fork", OS.get_environment("SHELL"))
pty.call_deferred("write", "stty -a | head -n1\n")
var output := ""
while not "rows" in output and not "columns" in output:
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output = (await pty.data_received).get_string_from_utf8()
var regex_match = regex.search(output)
var stty_rows = int(regex_match.get_string("rows"))
var stty_cols = int(regex_match.get_string("columns"))
assert_eq(
stty_rows,
terminal.get_rows(),
"Expected stty to report correct number of rows for layout '%s'" % s
)
assert_eq(
stty_cols,
terminal.get_cols(),
"Expected stty to report correct number of columns for layout '%s'" % s
)
class LinuxHelper:
extends Helper
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static func _get_pts() -> Array:
var dir := DirAccess.open("/dev/pts")
if dir.get_open_error() != OK or dir.list_dir_begin() != OK:
assert(false, "Could not open /dev/pts.")
var pts := []
var file_name: String = dir.get_next()
while file_name != "":
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if file_name.is_valid_int():
pts.append("/dev/pts/%s" % file_name)
file_name = dir.get_next()
return pts
class MacOSHelper:
extends Helper
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static func _get_pts() -> Array:
# TODO: Implement for macOS.
# On macOS there is no /dev/pts directory, rather new ptys are created
# under /dev/ttysXYZ.
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assert(false) #,"Not implemented")
return []