586 lines
15 KiB
Perl
586 lines
15 KiB
Perl
package i3test;
|
||
# vim:ts=4:sw=4:expandtab
|
||
use strict; use warnings;
|
||
|
||
use File::Temp qw(tmpnam tempfile tempdir);
|
||
use Test::Builder;
|
||
use X11::XCB::Rect;
|
||
use X11::XCB::Window;
|
||
use X11::XCB qw(:all);
|
||
use AnyEvent::I3;
|
||
use List::Util qw(first);
|
||
use Time::HiRes qw(sleep);
|
||
use Cwd qw(abs_path);
|
||
use Scalar::Util qw(blessed);
|
||
use SocketActivation;
|
||
|
||
use v5.10;
|
||
|
||
# preload
|
||
use Test::More ();
|
||
use Data::Dumper ();
|
||
|
||
use Exporter ();
|
||
our @EXPORT = qw(
|
||
get_workspace_names
|
||
get_unused_workspace
|
||
fresh_workspace
|
||
get_ws_content
|
||
get_ws
|
||
get_focused
|
||
open_empty_con
|
||
open_window
|
||
open_floating_window
|
||
get_dock_clients
|
||
cmd
|
||
cmp_float
|
||
sync_with_i3
|
||
does_i3_live
|
||
exit_gracefully
|
||
workspace_exists
|
||
focused_ws
|
||
get_socket_path
|
||
launch_with_config
|
||
wait_for_event
|
||
wait_for_map
|
||
wait_for_unmap
|
||
$x
|
||
);
|
||
|
||
my $tester = Test::Builder->new();
|
||
my $_cached_socket_path = undef;
|
||
my $_sync_window = undef;
|
||
my $tmp_socket_path = undef;
|
||
|
||
our $x;
|
||
|
||
BEGIN {
|
||
my $window_count = 0;
|
||
sub counter_window {
|
||
return $window_count++;
|
||
}
|
||
}
|
||
|
||
my $i3_pid;
|
||
my $i3_autostart;
|
||
|
||
END {
|
||
|
||
# testcases which start i3 manually should always call exit_gracefully
|
||
# on their own. Let’s see, whether they really did.
|
||
if (! $i3_autostart) {
|
||
return unless $i3_pid;
|
||
|
||
$tester->ok(undef, 'testcase called exit_gracefully()');
|
||
}
|
||
|
||
# don't trigger SIGCHLD handler
|
||
local $SIG{CHLD};
|
||
|
||
# From perldoc -v '$?':
|
||
# Inside an "END" subroutine $? contains the value
|
||
# that is going to be given to "exit()".
|
||
#
|
||
# Since waitpid sets $?, we need to localize it,
|
||
# otherwise TAP would be misinterpreted our return status
|
||
local $?;
|
||
|
||
# When measuring code coverage, try to exit i3 cleanly (otherwise, .gcda
|
||
# files are not written)
|
||
if ($ENV{COVERAGE} || $ENV{VALGRIND}) {
|
||
exit_gracefully($i3_pid, "/tmp/nested-$ENV{DISPLAY}");
|
||
|
||
} else {
|
||
kill(9, $i3_pid)
|
||
or $tester->BAIL_OUT("could not kill i3");
|
||
|
||
waitpid $i3_pid, 0;
|
||
}
|
||
}
|
||
|
||
sub import {
|
||
my ($class, %args) = @_;
|
||
my $pkg = caller;
|
||
|
||
$i3_autostart = delete($args{i3_autostart}) // 1;
|
||
|
||
my $cv = launch_with_config('-default', dont_block => 1)
|
||
if $i3_autostart;
|
||
|
||
my $test_more_args = '';
|
||
$test_more_args = join(' ', 'qw(', %args, ')') if keys %args;
|
||
local $@;
|
||
eval << "__";
|
||
package $pkg;
|
||
use Test::More $test_more_args;
|
||
use Data::Dumper;
|
||
use AnyEvent::I3;
|
||
use Time::HiRes qw(sleep);
|
||
__
|
||
$tester->BAIL_OUT("$@") if $@;
|
||
feature->import(":5.10");
|
||
strict->import;
|
||
warnings->import;
|
||
|
||
$x ||= i3test::X11->new;
|
||
$cv->recv if $i3_autostart;
|
||
|
||
@_ = ($class);
|
||
goto \&Exporter::import;
|
||
}
|
||
|
||
#
|
||
# Waits for the next event and calls the given callback for every event to
|
||
# determine if this is the event we are waiting for.
|
||
#
|
||
# Can be used to wait until a window is mapped, until a ClientMessage is
|
||
# received, etc.
|
||
#
|
||
# wait_for_event $x, 0.25, sub { $_[0]->{response_type} == MAP_NOTIFY };
|
||
#
|
||
sub wait_for_event {
|
||
my ($timeout, $cb) = @_;
|
||
|
||
my $cv = AE::cv;
|
||
|
||
$x->flush;
|
||
|
||
# unfortunately, there is no constant for this
|
||
my $ae_read = 0;
|
||
|
||
my $guard = AE::io $x->get_file_descriptor, $ae_read, sub {
|
||
while (defined(my $event = $x->poll_for_event)) {
|
||
if ($cb->($event)) {
|
||
$cv->send(1);
|
||
last;
|
||
}
|
||
}
|
||
};
|
||
|
||
# Trigger timeout after $timeout seconds (can be fractional)
|
||
my $t = AE::timer $timeout, 0, sub { warn "timeout ($timeout secs)"; $cv->send(0) };
|
||
|
||
my $result = $cv->recv;
|
||
undef $t;
|
||
undef $guard;
|
||
return $result;
|
||
}
|
||
|
||
# thin wrapper around wait_for_event which waits for MAP_NOTIFY
|
||
# make sure to include 'structure_notify' in the window’s event_mask attribute
|
||
sub wait_for_map {
|
||
my ($win) = @_;
|
||
my $id = (blessed($win) && $win->isa('X11::XCB::Window')) ? $win->id : $win;
|
||
wait_for_event 2, sub {
|
||
$_[0]->{response_type} == MAP_NOTIFY and $_[0]->{window} == $id
|
||
};
|
||
}
|
||
|
||
# Wrapper around wait_for_event which waits for UNMAP_NOTIFY. Also calls
|
||
# sync_with_i3 to make sure i3 also picked up and processed the UnmapNotify
|
||
# event.
|
||
sub wait_for_unmap {
|
||
my ($win) = @_;
|
||
# my $id = (blessed($win) && $win->isa('X11::XCB::Window')) ? $win->id : $win;
|
||
wait_for_event 2, sub {
|
||
$_[0]->{response_type} == UNMAP_NOTIFY # and $_[0]->{window} == $id
|
||
};
|
||
sync_with_i3();
|
||
}
|
||
|
||
#
|
||
# Opens a new window (see X11::XCB::Window), maps it, waits until it got mapped
|
||
# and synchronizes with i3.
|
||
#
|
||
# set dont_map to a true value to avoid mapping
|
||
#
|
||
# if you want to change aspects of your window before it would be mapped,
|
||
# set before_map to a coderef. $window gets passed as $_ and as first argument.
|
||
#
|
||
# if you set both dont_map and before_map, the coderef will be called nevertheless
|
||
#
|
||
#
|
||
# default values:
|
||
# class => WINDOW_CLASS_INPUT_OUTPUT
|
||
# rect => [ 0, 0, 30, 30 ]
|
||
# background_color => '#c0c0c0'
|
||
# event_mask => [ 'structure_notify' ]
|
||
# name => 'Window <n>'
|
||
#
|
||
sub open_window {
|
||
my %args = @_ == 1 ? %{$_[0]} : @_;
|
||
|
||
my $dont_map = delete $args{dont_map};
|
||
my $before_map = delete $args{before_map};
|
||
|
||
$args{class} //= WINDOW_CLASS_INPUT_OUTPUT;
|
||
$args{rect} //= [ 0, 0, 30, 30 ];
|
||
$args{background_color} //= '#c0c0c0';
|
||
$args{event_mask} //= [ 'structure_notify' ];
|
||
$args{name} //= 'Window ' . counter_window();
|
||
|
||
my $window = $x->root->create_child(%args);
|
||
|
||
if ($before_map) {
|
||
# TODO: investigate why _create is not needed
|
||
$window->_create;
|
||
$before_map->($window) for $window;
|
||
}
|
||
|
||
return $window if $dont_map;
|
||
|
||
$window->map;
|
||
wait_for_map($window);
|
||
return $window;
|
||
}
|
||
|
||
# Thin wrapper around open_window which sets window_type to
|
||
# _NET_WM_WINDOW_TYPE_UTILITY to make the window floating.
|
||
sub open_floating_window {
|
||
my %args = @_ == 1 ? %{$_[0]} : @_;
|
||
|
||
$args{window_type} = $x->atom(name => '_NET_WM_WINDOW_TYPE_UTILITY');
|
||
|
||
return open_window(\%args);
|
||
}
|
||
|
||
sub open_empty_con {
|
||
my ($i3) = @_;
|
||
|
||
my $reply = $i3->command('open')->recv;
|
||
return $reply->[0]->{id};
|
||
}
|
||
|
||
sub get_workspace_names {
|
||
my $i3 = i3(get_socket_path());
|
||
my $tree = $i3->get_tree->recv;
|
||
my @outputs = @{$tree->{nodes}};
|
||
my @cons;
|
||
for my $output (@outputs) {
|
||
next if $output->{name} eq '__i3';
|
||
# get the first CT_CON of each output
|
||
my $content = first { $_->{type} == 2 } @{$output->{nodes}};
|
||
@cons = (@cons, @{$content->{nodes}});
|
||
}
|
||
[ map { $_->{name} } @cons ]
|
||
}
|
||
|
||
sub get_unused_workspace {
|
||
my @names = get_workspace_names();
|
||
my $tmp;
|
||
do { $tmp = tmpnam() } while ($tmp ~~ @names);
|
||
$tmp
|
||
}
|
||
|
||
=head2 fresh_workspace(...)
|
||
|
||
Switches to an unused workspace and returns the name of that workspace.
|
||
|
||
Optionally switches to the specified output first.
|
||
|
||
my $ws = fresh_workspace;
|
||
|
||
# Get a fresh workspace on the second output.
|
||
my $ws = fresh_workspace(output => 1);
|
||
|
||
=cut
|
||
sub fresh_workspace {
|
||
my %args = @_;
|
||
if (exists($args{output})) {
|
||
my $i3 = i3(get_socket_path());
|
||
my $tree = $i3->get_tree->recv;
|
||
my $output = first { $_->{name} eq "fake-$args{output}" }
|
||
@{$tree->{nodes}};
|
||
die "BUG: Could not find output $args{output}" unless defined($output);
|
||
# Get the focused workspace on that output and switch to it.
|
||
my $content = first { $_->{type} == 2 } @{$output->{nodes}};
|
||
my $focused = $content->{focus}->[0];
|
||
my $workspace = first { $_->{id} == $focused } @{$content->{nodes}};
|
||
$workspace = $workspace->{name};
|
||
cmd("workspace $workspace");
|
||
}
|
||
|
||
my $unused = get_unused_workspace;
|
||
cmd("workspace $unused");
|
||
$unused
|
||
}
|
||
|
||
sub get_ws {
|
||
my ($name) = @_;
|
||
my $i3 = i3(get_socket_path());
|
||
my $tree = $i3->get_tree->recv;
|
||
|
||
my @outputs = @{$tree->{nodes}};
|
||
my @workspaces;
|
||
for my $output (@outputs) {
|
||
# get the first CT_CON of each output
|
||
my $content = first { $_->{type} == 2 } @{$output->{nodes}};
|
||
@workspaces = (@workspaces, @{$content->{nodes}});
|
||
}
|
||
|
||
# as there can only be one workspace with this name, we can safely
|
||
# return the first entry
|
||
return first { $_->{name} eq $name } @workspaces;
|
||
}
|
||
|
||
#
|
||
# returns the content (== tree, starting from the node of a workspace)
|
||
# of a workspace. If called in array context, also includes the focus
|
||
# stack of the workspace
|
||
#
|
||
sub get_ws_content {
|
||
my ($name) = @_;
|
||
my $con = get_ws($name);
|
||
return wantarray ? ($con->{nodes}, $con->{focus}) : $con->{nodes};
|
||
}
|
||
|
||
sub get_focused {
|
||
my ($ws) = @_;
|
||
my $con = get_ws($ws);
|
||
|
||
my @focused = @{$con->{focus}};
|
||
my $lf;
|
||
while (@focused > 0) {
|
||
$lf = $focused[0];
|
||
last unless defined($con->{focus});
|
||
@focused = @{$con->{focus}};
|
||
my @cons = grep { $_->{id} == $lf } (@{$con->{nodes}}, @{$con->{'floating_nodes'}});
|
||
$con = $cons[0];
|
||
}
|
||
|
||
return $lf;
|
||
}
|
||
|
||
sub get_dock_clients {
|
||
my $which = shift;
|
||
|
||
my $tree = i3(get_socket_path())->get_tree->recv;
|
||
my @outputs = @{$tree->{nodes}};
|
||
# Children of all dockareas
|
||
my @docked;
|
||
for my $output (@outputs) {
|
||
if (!defined($which)) {
|
||
@docked = (@docked, map { @{$_->{nodes}} }
|
||
grep { $_->{type} == 5 }
|
||
@{$output->{nodes}});
|
||
} elsif ($which eq 'top') {
|
||
my $first = first { $_->{type} == 5 } @{$output->{nodes}};
|
||
@docked = (@docked, @{$first->{nodes}}) if defined($first);
|
||
} elsif ($which eq 'bottom') {
|
||
my @matching = grep { $_->{type} == 5 } @{$output->{nodes}};
|
||
my $last = $matching[-1];
|
||
@docked = (@docked, @{$last->{nodes}}) if defined($last);
|
||
}
|
||
}
|
||
return @docked;
|
||
}
|
||
|
||
sub cmd {
|
||
i3(get_socket_path())->command(@_)->recv
|
||
}
|
||
|
||
sub workspace_exists {
|
||
my ($name) = @_;
|
||
($name ~~ @{get_workspace_names()})
|
||
}
|
||
|
||
=head2 focused_ws
|
||
|
||
Returns the name of the currently focused workspace.
|
||
|
||
=cut
|
||
sub focused_ws {
|
||
my $i3 = i3(get_socket_path());
|
||
my $tree = $i3->get_tree->recv;
|
||
my $focused = $tree->{focus}->[0];
|
||
my $output = first { $_->{id} == $focused } @{$tree->{nodes}};
|
||
my $content = first { $_->{type} == 2 } @{$output->{nodes}};
|
||
my $first = first { $_->{fullscreen_mode} == 1 } @{$content->{nodes}};
|
||
return $first->{name}
|
||
}
|
||
|
||
#
|
||
# Sends an I3_SYNC ClientMessage with a random value to the root window.
|
||
# i3 will reply with the same value, but, due to the order of events it
|
||
# processes, only after all other events are done.
|
||
#
|
||
# This can be used to ensure the results of a cmd 'focus left' are pushed to
|
||
# X11 and that $x->input_focus returns the correct value afterwards.
|
||
#
|
||
# See also docs/testsuite for a long explanation
|
||
#
|
||
sub sync_with_i3 {
|
||
my %args = @_ == 1 ? %{$_[0]} : @_;
|
||
|
||
# Since we need a (mapped) window for receiving a ClientMessage, we create
|
||
# one on the first call of sync_with_i3. It will be re-used in all
|
||
# subsequent calls.
|
||
if (!exists($args{window_id}) &&
|
||
(!defined($_sync_window) || exists($args{no_cache}))) {
|
||
$_sync_window = open_window(
|
||
rect => [ -15, -15, 10, 10 ],
|
||
override_redirect => 1,
|
||
);
|
||
}
|
||
|
||
my $window_id = delete $args{window_id};
|
||
$window_id //= $_sync_window->id;
|
||
|
||
my $root = $x->get_root_window();
|
||
# Generate a random number to identify this particular ClientMessage.
|
||
my $myrnd = int(rand(255)) + 1;
|
||
|
||
# Generate a ClientMessage, see xcb_client_message_t
|
||
my $msg = pack "CCSLLLLLLL",
|
||
CLIENT_MESSAGE, # response_type
|
||
32, # format
|
||
0, # sequence
|
||
$root, # destination window
|
||
$x->atom(name => 'I3_SYNC')->id,
|
||
|
||
$window_id, # data[0]: our own window id
|
||
$myrnd, # data[1]: a random value to identify the request
|
||
0,
|
||
0,
|
||
0;
|
||
|
||
# Send it to the root window -- since i3 uses the SubstructureRedirect
|
||
# event mask, it will get the ClientMessage.
|
||
$x->send_event(0, $root, EVENT_MASK_SUBSTRUCTURE_REDIRECT, $msg);
|
||
|
||
# now wait until the reply is here
|
||
return wait_for_event 2, sub {
|
||
my ($event) = @_;
|
||
# TODO: const
|
||
return 0 unless $event->{response_type} == 161;
|
||
|
||
my ($win, $rnd) = unpack "LL", $event->{data};
|
||
return ($rnd == $myrnd);
|
||
};
|
||
}
|
||
|
||
sub does_i3_live {
|
||
my $tree = i3(get_socket_path())->get_tree->recv;
|
||
my @nodes = @{$tree->{nodes}};
|
||
my $ok = (@nodes > 0);
|
||
$tester->ok($ok, 'i3 still lives');
|
||
return $ok;
|
||
}
|
||
|
||
# Tries to exit i3 gracefully (with the 'exit' cmd) or kills the PID if that fails
|
||
sub exit_gracefully {
|
||
my ($pid, $socketpath) = @_;
|
||
$socketpath ||= get_socket_path();
|
||
|
||
my $exited = 0;
|
||
eval {
|
||
say "Exiting i3 cleanly...";
|
||
i3($socketpath)->command('exit')->recv;
|
||
$exited = 1;
|
||
};
|
||
|
||
if (!$exited) {
|
||
kill(9, $pid)
|
||
or $tester->BAIL_OUT("could not kill i3");
|
||
}
|
||
|
||
if ($socketpath =~ m,^/tmp/i3-test-socket-,) {
|
||
unlink($socketpath);
|
||
}
|
||
|
||
waitpid $pid, 0;
|
||
undef $i3_pid;
|
||
}
|
||
|
||
# Gets the socket path from the I3_SOCKET_PATH atom stored on the X11 root window
|
||
sub get_socket_path {
|
||
my ($cache) = @_;
|
||
$cache ||= 1;
|
||
|
||
if ($cache && defined($_cached_socket_path)) {
|
||
return $_cached_socket_path;
|
||
}
|
||
|
||
my $atom = $x->atom(name => 'I3_SOCKET_PATH');
|
||
my $cookie = $x->get_property(0, $x->get_root_window(), $atom->id, GET_PROPERTY_TYPE_ANY, 0, 256);
|
||
my $reply = $x->get_property_reply($cookie->{sequence});
|
||
my $socketpath = $reply->{value};
|
||
if ($socketpath eq "/tmp/nested-$ENV{DISPLAY}") {
|
||
$socketpath .= '-activation';
|
||
}
|
||
$_cached_socket_path = $socketpath;
|
||
return $socketpath;
|
||
}
|
||
|
||
#
|
||
# launches a new i3 process with the given string as configuration file.
|
||
# useful for tests which test specific config file directives.
|
||
sub launch_with_config {
|
||
my ($config, %args) = @_;
|
||
|
||
$tmp_socket_path = "/tmp/nested-$ENV{DISPLAY}";
|
||
|
||
$args{dont_create_temp_dir} //= 0;
|
||
|
||
my ($fh, $tmpfile) = tempfile("i3-cfg-for-$ENV{TESTNAME}-XXXXX", UNLINK => 1);
|
||
|
||
if ($config ne '-default') {
|
||
say $fh $config;
|
||
} else {
|
||
open(my $conf_fh, '<', './i3-test.config')
|
||
or $tester->BAIL_OUT("could not open default config: $!");
|
||
local $/;
|
||
say $fh scalar <$conf_fh>;
|
||
}
|
||
|
||
say $fh "ipc-socket $tmp_socket_path"
|
||
unless $args{dont_add_socket_path};
|
||
|
||
close($fh);
|
||
|
||
my $cv = AnyEvent->condvar;
|
||
$i3_pid = activate_i3(
|
||
unix_socket_path => "$tmp_socket_path-activation",
|
||
display => $ENV{DISPLAY},
|
||
configfile => $tmpfile,
|
||
outdir => $ENV{OUTDIR},
|
||
testname => $ENV{TESTNAME},
|
||
valgrind => $ENV{VALGRIND},
|
||
strace => $ENV{STRACE},
|
||
restart => $ENV{RESTART},
|
||
cv => $cv,
|
||
dont_create_temp_dir => $args{dont_create_temp_dir},
|
||
);
|
||
|
||
# force update of the cached socket path in lib/i3test
|
||
# as soon as i3 has started
|
||
$cv->cb(sub { get_socket_path(0) });
|
||
|
||
return $cv if $args{dont_block};
|
||
|
||
# blockingly wait until i3 is ready
|
||
$cv->recv;
|
||
|
||
return $i3_pid;
|
||
}
|
||
|
||
# compares two floats and return true if they differ less
|
||
# then 1e-6
|
||
sub cmp_float {
|
||
my ($a, $b) = @_;
|
||
|
||
return abs($a - $b) < 1e-6;
|
||
}
|
||
|
||
package i3test::X11;
|
||
use parent 'X11::XCB::Connection';
|
||
|
||
sub input_focus {
|
||
my $self = shift;
|
||
i3test::sync_with_i3();
|
||
|
||
return $self->SUPER::input_focus(@_);
|
||
}
|
||
|
||
1
|