gri3-wm/testcases/t/187-commands-parser.t

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#!perl
# vim:ts=4:sw=4:expandtab
#
# Please read the following documents before working on tests:
# • http://build.i3wm.org/docs/testsuite.html
# (or docs/testsuite)
#
# • http://build.i3wm.org/docs/lib-i3test.html
# (alternatively: perldoc ./testcases/lib/i3test.pm)
#
# • http://build.i3wm.org/docs/ipc.html
# (or docs/ipc)
#
# • http://onyxneon.com/books/modern_perl/modern_perl_a4.pdf
# (unless you are already familiar with Perl)
#
# Tests the standalone parser binary to see if it calls the right code when
# confronted with various commands, if it prints proper error messages for
# wrong commands and if it terminates in every case.
#
use i3test i3_autostart => 0;
sub parser_calls {
my ($command) = @_;
# TODO: use a timeout, so that we can error out if it doesnt terminate
# TODO: better way of passing arguments
my $stdout = qx(../test.commands_parser '$command' 2>&1 >&-);
# Filter out all debugging output.
my @lines = split("\n", $stdout);
@lines = grep { not /^# / } @lines;
# The criteria management calls are irrelevant and not what we want to test
# in the first place.
@lines = grep { !(/cmd_criteria_init()/ || /cmd_criteria_match_windows/) } @lines;
return join("\n", @lines);
}
################################################################################
# 1: First that the parser properly recognizes commands which are ok.
################################################################################
# The first call has only a single command, the following ones are consolidated
# for performance.
is(parser_calls('move workspace 3'),
'cmd_move_con_to_workspace_name(3)',
'single number (move workspace 3) ok');
is(parser_calls(
'move to workspace 3; ' .
'move window to workspace 3; ' .
'move container to workspace 3; ' .
'move workspace foobar; ' .
'move workspace torrent; ' .
'move workspace to output LVDS1; ' .
'move workspace 3: foobar; ' .
'move workspace "3: foobar"; ' .
'move workspace "3: foobar, baz"; '),
"cmd_move_con_to_workspace_name(3)\n" .
"cmd_move_con_to_workspace_name(3)\n" .
"cmd_move_con_to_workspace_name(3)\n" .
"cmd_move_con_to_workspace_name(foobar)\n" .
"cmd_move_con_to_workspace_name(torrent)\n" .
"cmd_move_workspace_to_output(LVDS1)\n" .
"cmd_move_con_to_workspace_name(3: foobar)\n" .
"cmd_move_con_to_workspace_name(3: foobar)\n" .
"cmd_move_con_to_workspace_name(3: foobar, baz)",
'move ok');
is(parser_calls('move workspace 3: foobar, nop foo'),
"cmd_move_con_to_workspace_name(3: foobar)\n" .
"cmd_nop(foo)",
'multiple ops (move workspace 3: foobar, nop foo) ok');
is(parser_calls(
'exec i3-sensible-terminal; ' .
'exec --no-startup-id i3-sensible-terminal'),
"cmd_exec((null), i3-sensible-terminal)\n" .
"cmd_exec(--no-startup-id, i3-sensible-terminal)",
'exec ok');
is(parser_calls(
'resize shrink left; ' .
'resize shrink left 25 px; ' .
'resize shrink left 25 px or 33 ppt; ' .
'resize shrink left 25'),
"cmd_resize(shrink, left, 10, 10)\n" .
"cmd_resize(shrink, left, 25, 10)\n" .
"cmd_resize(shrink, left, 25, 33)\n" .
"cmd_resize(shrink, left, 25, 10)",
'simple resize ok');
is(parser_calls('resize shrink left 25 px or 33 ppt,'),
'cmd_resize(shrink, left, 25, 33)',
'trailing comma resize ok');
is(parser_calls('resize shrink left 25 px or 33 ppt;'),
'cmd_resize(shrink, left, 25, 33)',
'trailing semicolon resize ok');
is(parser_calls('[con_mark=yay] focus'),
"cmd_criteria_add(con_mark, yay)\n" .
"cmd_focus()",
'criteria focus ok');
is(parser_calls("[con_mark=yay con_mark=bar] focus"),
"cmd_criteria_add(con_mark, yay)\n" .
"cmd_criteria_add(con_mark, bar)\n" .
"cmd_focus()",
'criteria focus ok');
is(parser_calls("[con_mark=yay\tcon_mark=bar] focus"),
"cmd_criteria_add(con_mark, yay)\n" .
"cmd_criteria_add(con_mark, bar)\n" .
"cmd_focus()",
'criteria focus ok');
is(parser_calls("[con_mark=yay\tcon_mark=bar]\tfocus"),
"cmd_criteria_add(con_mark, yay)\n" .
"cmd_criteria_add(con_mark, bar)\n" .
"cmd_focus()",
'criteria focus ok');
is(parser_calls('[con_mark="yay"] focus'),
"cmd_criteria_add(con_mark, yay)\n" .
"cmd_focus()",
'quoted criteria focus ok');
# Make sure trailing whitespace is stripped off: While this is not an issue for
# commands being parsed due to the configuration, people might send IPC
# commands with leading or trailing newlines.
is(parser_calls("workspace test\n"),
'cmd_workspace_name(test)',
'trailing whitespace stripped off ok');
is(parser_calls("\nworkspace test"),
'cmd_workspace_name(test)',
'trailing whitespace stripped off ok');
################################################################################
# 2: Verify that the parser spits out the right error message on commands which
# are not ok.
################################################################################
is(parser_calls('unknown_literal'),
"ERROR: Expected one of these tokens: <end>, '[', 'move', 'exec', 'exit', 'restart', 'reload', 'shmlog', 'border', 'layout', 'append_layout', 'workspace', 'focus', 'kill', 'open', 'fullscreen', 'split', 'floating', 'mark', 'resize', 'rename', 'nop', 'scratchpad', 'mode', 'bar'\n" .
"ERROR: Your command: unknown_literal\n" .
"ERROR: ^^^^^^^^^^^^^^^",
'error for unknown literal ok');
is(parser_calls('move something to somewhere'),
"ERROR: Expected one of these tokens: 'window', 'container', 'to', 'workspace', 'output', 'scratchpad', 'left', 'right', 'up', 'down', 'position', 'absolute'\n" .
"ERROR: Your command: move something to somewhere\n" .
"ERROR: ^^^^^^^^^^^^^^^^^^^^^^",
'error for unknown literal ok');
################################################################################
# 3: Verify that escaping of double quotes works correctly
################################################################################
is(parser_calls('workspace "foo"'),
'cmd_workspace_name(foo)',
'Command with simple double quotes ok');
is(parser_calls('workspace "foo'),
'cmd_workspace_name(foo)',
'Command without ending double quotes ok');
is(parser_calls('workspace "foo \"bar"'),
'cmd_workspace_name(foo "bar)',
'Command with escaped double quotes ok');
done_testing;