[perl5.git] / t / run / switches.t

#!./perl -w

# Tests for the command-line switches:
# -0, -c, -l, -s, -m, -M, -V, -v, -h, -z, -i
# Some switches have their own tests, see MANIFEST.

BEGIN {
    chdir 't' if -d 't';
    @INC = '../lib';
}

require "./test.pl";

plan(tests => 26);

# due to a bug in VMS's piping which makes it impossible for runperl()
# to emulate echo -n (ie. stdin always winds up with a newline), these 
# tests almost totally fail.
$TODO = "runperl() unable to emulate echo -n due to pipe bug" if $^O eq 'VMS';

my $r;
my @tmpfiles = ();
END { unlink @tmpfiles }

# Tests for -0

$r = runperl(
    switches	=> [ '-0', ],
    stdin	=> 'foo\0bar\0baz\0',
    prog	=> 'print qq(<$_>) while <>',
);
is( $r, "<foo\0><bar\0><baz\0>", "-0" );

$r = runperl(
    switches	=> [ '-l', '-0', '-p' ],
    stdin	=> 'foo\0bar\0baz\0',
    prog	=> '1',
);
is( $r, "foo\nbar\nbaz\n", "-0 after a -l" );

$r = runperl(
    switches	=> [ '-0', '-l', '-p' ],
    stdin	=> 'foo\0bar\0baz\0',
    prog	=> '1',
);
is( $r, "foo\0bar\0baz\0", "-0 before a -l" );

$r = runperl(
    switches	=> [ sprintf("-0%o", ord 'x') ],
    stdin	=> 'fooxbarxbazx',
    prog	=> 'print qq(<$_>) while <>',
);
is( $r, "<foox><barx><bazx>", "-0 with octal number" );

$r = runperl(
    switches	=> [ '-00', '-p' ],
    stdin	=> 'abc\ndef\n\nghi\njkl\nmno\n\npq\n',
    prog	=> 's/\n/-/g;$_.=q(/)',
);
is( $r, 'abc-def--/ghi-jkl-mno--/pq-/', '-00 (paragraph mode)' );

$r = runperl(
    switches	=> [ '-0777', '-p' ],
    stdin	=> 'abc\ndef\n\nghi\njkl\nmno\n\npq\n',
    prog	=> 's/\n/-/g;$_.=q(/)',
);
is( $r, 'abc-def--ghi-jkl-mno--pq-/', '-0777 (slurp mode)' );

$r = runperl(
    switches	=> [ '-066' ],
    prog	=> 'BEGIN { print qq{($/)} } print qq{[$/]}',
);
is( $r, "(\066)[\066]", '$/ set at compile-time' );

# Tests for -c

my $filename = 'swctest.tmp';
SKIP: {
    local $TODO = '';   # this one works on VMS

    open my $f, ">$filename" or skip( "Can't write temp file $filename: $!" );
    print $f <<'SWTEST';
BEGIN { print "block 1\n"; }
CHECK { print "block 2\n"; }
INIT  { print "block 3\n"; }
	print "block 4\n";
END   { print "block 5\n"; }
SWTEST
    close $f or die "Could not close: $!";
    $r = runperl(
	switches	=> [ '-c' ],
	progfile	=> $filename,
	stderr		=> 1,
    );
    # Because of the stderr redirection, we can't tell reliably the order
    # in which the output is given
    ok(
	$r =~ /$filename syntax OK/
	&& $r =~ /\bblock 1\b/
	&& $r =~ /\bblock 2\b/
	&& $r !~ /\bblock 3\b/
	&& $r !~ /\bblock 4\b/
	&& $r !~ /\bblock 5\b/,
	'-c'
    );
    push @tmpfiles, $filename;
}

# Tests for -l

$r = runperl(
    switches	=> [ sprintf("-l%o", ord 'x') ],
    prog	=> 'print for qw/foo bar/'
);
is( $r, 'fooxbarx', '-l with octal number' );

# Tests for -s

$r = runperl(
    switches	=> [ '-s' ],
    prog	=> 'for (qw/abc def ghi/) {print defined $$_ ? $$_ : q(-)}',
    args	=> [ '--', '-abc=2', '-def', ],
);
is( $r, '21-', '-s switch parsing' );

# Bug ID 20011106.084
$filename = 'swstest.tmp';
SKIP: {
    open my $f, ">$filename" or skip( "Can't write temp file $filename: $!" );
    print $f <<'SWTEST';
#!perl -sn
BEGIN { print $x; exit }
SWTEST
    close $f or die "Could not close: $!";
    $r = runperl(
	progfile    => $filename,
	args	    => [ '-x=foo' ],
    );
    is( $r, 'foo', '-s on the shebang line' );
    push @tmpfiles, $filename;
}

# Tests for -m and -M

$filename = 'swtest.pm';
SKIP: {
    open my $f, ">$filename" or skip( "Can't write temp file $filename: $!",4 );
    print $f <<'SWTESTPM';
package swtest;
sub import { print map "<$_>", @_ }
1;
SWTESTPM
    close $f or die "Could not close: $!";
    $r = runperl(
	switches    => [ '-Mswtest' ],
	prog	    => '1',
    );
    is( $r, '<swtest>', '-M' );
    $r = runperl(
	switches    => [ '-Mswtest=foo' ],
	prog	    => '1',
    );
    is( $r, '<swtest><foo>', '-M with import parameter' );
    $r = runperl(
	switches    => [ '-mswtest' ],
	prog	    => '1',
    );

    {
        local $TODO = '';  # this one works on VMS
        is( $r, '', '-m' );
    }
    $r = runperl(
	switches    => [ '-mswtest=foo,bar' ],
	prog	    => '1',
    );
    is( $r, '<swtest><foo><bar>', '-m with import parameters' );
    push @tmpfiles, $filename;
}

# Tests for -V

{
    local $TODO = '';   # these ones should work on VMS

    # basic perl -V should generate significant output.
    # we don't test actual format too much since it could change
    like( runperl( switches => ['-V'] ), qr/(\n.*){20}/,
          '-V generates 20+ lines' );

    like( runperl( switches => ['-V'] ),
	  qr/\ASummary of my perl5 .*configuration:/,
          '-V looks okay' );

    # lookup a known config var
    chomp( $r=runperl( switches => ['-V:osname'] ) );
    is( $r, "osname='$^O';", 'perl -V:osname');

    # lookup a nonexistent var
    chomp( $r=runperl( switches => ['-V:this_var_makes_switches_test_fail'] ) );
    is( $r, "this_var_makes_switches_test_fail='UNKNOWN';",
        'perl -V:unknown var');

    # regexp lookup
    # platforms that don't like this quoting can either skip this test
    # or fix test.pl _quote_args
    $r = runperl( switches => ['"-V:i\D+size"'] );
    # should be unlike( $r, qr/^$|not found|UNKNOWN/ );
    like( $r, qr/^(?!.*(not found|UNKNOWN))./, 'perl -V:re got a result' );

    # make sure each line we got matches the re
    ok( !( grep !/^i\D+size=/, split /^/, $r ), '-V:re correct' );
}

# Tests for -v

{
    local $TODO = '';   # these ones should work on VMS

    my $v = sprintf "%vd", $^V;
    use Config;
    like( runperl( switches => ['-v'] ),
	  qr/This is perl, v$v built for $Config{archname}.+Copyright.+Larry Wall.+Artistic License.+GNU General Public License/s,
          '-v looks okay' );

}

# Tests for -h

{
    local $TODO = '';   # these ones should work on VMS

    like( runperl( switches => ['-h'] ),
	  qr/Usage: .+(?i:perl(\.exe)?).+switches.+programfile.+arguments/,
          '-h looks okay' );

}

# Tests for -z (which does not exist)

{
    local $TODO = '';   # these ones should work on VMS

    like( runperl( switches => ['-z'], stderr => 1 ),
	  qr/\QUnrecognized switch: -z  (-h will show valid options)./,
          '-z correctly unknown' );

}

# Tests for -i

{
    local $TODO = '';   # these ones should work on VMS

    sub do_i_unlink { 1 while unlink("file", "file.bak") }

    open(FILE, ">file") or die "$0: Failed to create 'file': $!";
    print FILE <<__EOF__;
foo yada dada
bada foo bing
king kong foo
__EOF__
    close FILE;

    END { do_i_unlink() }

    runperl( switches => ['-pi.bak'], prog => 's/foo/bar/', args => ['file'] );

    open(FILE, "file") or die "$0: Failed to open 'file': $!";
    chomp(my @file = <FILE>);
    close FILE;

    open(BAK, "file.bak") or die "$0: Failed to open 'file': $!";
    chomp(my @bak = <BAK>);
    close BAK;

    is(join(":", @file),
       "bar yada dada:bada bar bing:king kong bar",
       "-i new file");
    is(join(":", @bak),
       "foo yada dada:bada foo bing:king kong foo",
       "-i backup file");
}
Commit	Line	Data
8a73d5dd RGS	1	#!./perl -w
8a73d5dd RGS	2
feafb1eb JH	3	# Tests for the command-line switches:
feafb1eb JH	4	# -0, -c, -l, -s, -m, -M, -V, -v, -h, -z, -i
48eaf804	5	# Some switches have their own tests, see MANIFEST.
8a73d5dd RGS	6
	7	BEGIN {
	8	chdir 't' if -d 't';
	9	@INC = '../lib';
	10	}
	11
	12	require "./test.pl";
	13
feafb1eb	14	plan(tests => 26);
8a73d5dd	15
b734d6c9	16	# due to a bug in VMS's piping which makes it impossible for runperl()
e54d2dfa JH	17	# to emulate echo -n (ie. stdin always winds up with a newline), these
e54d2dfa JH	18	# tests almost totally fail.
b734d6c9 MS	19	$TODO = "runperl() unable to emulate echo -n due to pipe bug" if $^O eq 'VMS';
b734d6c9 MS	20
8a73d5dd RGS	21	my $r;
	22	my @tmpfiles = ();
	23	END { unlink @tmpfiles }
	24
	25	# Tests for -0
	26
	27	$r = runperl(
	28	switches => [ '-0', ],
	29	stdin => 'foo\0bar\0baz\0',
	30	prog => 'print qq(<$_>) while <>',
	31	);
	32	is( $r, "<foo\0><bar\0><baz\0>", "-0" );
	33
	34	$r = runperl(
	35	switches => [ '-l', '-0', '-p' ],
	36	stdin => 'foo\0bar\0baz\0',
	37	prog => '1',
	38	);
	39	is( $r, "foo\nbar\nbaz\n", "-0 after a -l" );
	40
	41	$r = runperl(
	42	switches => [ '-0', '-l', '-p' ],
	43	stdin => 'foo\0bar\0baz\0',
	44	prog => '1',
	45	);
	46	is( $r, "foo\0bar\0baz\0", "-0 before a -l" );
	47
	48	$r = runperl(
	49	switches => [ sprintf("-0%o", ord 'x') ],
	50	stdin => 'fooxbarxbazx',
	51	prog => 'print qq(<$_>) while <>',
	52	);
	53	is( $r, "<foox><barx><bazx>", "-0 with octal number" );
	54
	55	$r = runperl(
	56	switches => [ '-00', '-p' ],
	57	stdin => 'abc\ndef\n\nghi\njkl\nmno\n\npq\n',
	58	prog => 's/\n/-/g;$_.=q(/)',
	59	);
	60	is( $r, 'abc-def--/ghi-jkl-mno--/pq-/', '-00 (paragraph mode)' );
	61
	62	$r = runperl(
	63	switches => [ '-0777', '-p' ],
	64	stdin => 'abc\ndef\n\nghi\njkl\nmno\n\npq\n',
	65	prog => 's/\n/-/g;$_.=q(/)',
	66	);
	67	is( $r, 'abc-def--ghi-jkl-mno--pq-/', '-0777 (slurp mode)' );
	68
7f9e821f RGS	69	$r = runperl(
7f9e821f RGS	70	switches => [ '-066' ],
0fbedf1d	71	prog => 'BEGIN { print qq{($/)} } print qq{[$/]}',
7f9e821f RGS	72	);
	73	is( $r, "(\066)[\066]", '$/ set at compile-time' );
	74
8a73d5dd RGS	75	# Tests for -c
	76
	77	my $filename = 'swctest.tmp';
	78	SKIP: {
b734d6c9 MS	79	local $TODO = ''; # this one works on VMS
b734d6c9 MS	80
8a73d5dd RGS	81	open my $f, ">$filename" or skip( "Can't write temp file $filename: $!" );
	82	print $f <<'SWTEST';
	83	BEGIN { print "block 1\n"; }
	84	CHECK { print "block 2\n"; }
	85	INIT { print "block 3\n"; }
	86	print "block 4\n";
	87	END { print "block 5\n"; }
	88	SWTEST
d1e4d418	89	close $f or die "Could not close: $!";
8a73d5dd RGS	90	$r = runperl(
	91	switches => [ '-c' ],
	92	progfile => $filename,
	93	stderr => 1,
	94	);
	95	# Because of the stderr redirection, we can't tell reliably the order
	96	# in which the output is given
	97	ok(
	98	$r =~ /$filename syntax OK/
	99	&& $r =~ /\bblock 1\b/
	100	&& $r =~ /\bblock 2\b/
	101	&& $r !~ /\bblock 3\b/
	102	&& $r !~ /\bblock 4\b/
	103	&& $r !~ /\bblock 5\b/,
	104	'-c'
	105	);
	106	push @tmpfiles, $filename;
	107	}
	108
	109	# Tests for -l
	110
	111	$r = runperl(
	112	switches => [ sprintf("-l%o", ord 'x') ],
	113	prog => 'print for qw/foo bar/'
	114	);
	115	is( $r, 'fooxbarx', '-l with octal number' );
	116
	117	# Tests for -s
	118
	119	$r = runperl(
	120	switches => [ '-s' ],
	121	prog => 'for (qw/abc def ghi/) {print defined $$_ ? $$_ : q(-)}',
	122	args => [ '--', '-abc=2', '-def', ],
	123	);
	124	is( $r, '21-', '-s switch parsing' );
	125
	126	# Bug ID 20011106.084
	127	$filename = 'swstest.tmp';
	128	SKIP: {
	129	open my $f, ">$filename" or skip( "Can't write temp file $filename: $!" );
	130	print $f <<'SWTEST';
f0b2cf55 YST	131	#!perl -sn
f0b2cf55 YST	132	BEGIN { print $x; exit }
8a73d5dd	133	SWTEST
d1e4d418	134	close $f or die "Could not close: $!";
8a73d5dd	135	$r = runperl(
8a73d5dd RGS	136	progfile => $filename,
	137	args => [ '-x=foo' ],
	138	);
b734d6c9	139	is( $r, 'foo', '-s on the shebang line' );
8a73d5dd RGS	140	push @tmpfiles, $filename;
	141	}
	142
	143	# Tests for -m and -M
	144
	145	$filename = 'swtest.pm';
	146	SKIP: {
	147	open my $f, ">$filename" or skip( "Can't write temp file $filename: $!",4 );
	148	print $f <<'SWTESTPM';
	149	package swtest;
	150	sub import { print map "<$_>", @_ }
	151	1;
	152	SWTESTPM
d1e4d418	153	close $f or die "Could not close: $!";
8a73d5dd RGS	154	$r = runperl(
	155	switches => [ '-Mswtest' ],
	156	prog => '1',
	157	);
	158	is( $r, '<swtest>', '-M' );
	159	$r = runperl(
	160	switches => [ '-Mswtest=foo' ],
	161	prog => '1',
	162	);
	163	is( $r, '<swtest><foo>', '-M with import parameter' );
	164	$r = runperl(
	165	switches => [ '-mswtest' ],
	166	prog => '1',
	167	);
b734d6c9 MS	168
	169	{
	170	local $TODO = ''; # this one works on VMS
	171	is( $r, '', '-m' );
	172	}
8a73d5dd RGS	173	$r = runperl(
	174	switches => [ '-mswtest=foo,bar' ],
	175	prog => '1',
	176	);
	177	is( $r, '<swtest><foo><bar>', '-m with import parameters' );
	178	push @tmpfiles, $filename;
	179	}
e54d2dfa JH	180
	181	# Tests for -V
	182
	183	{
	184	local $TODO = ''; # these ones should work on VMS
	185
	186	# basic perl -V should generate significant output.
ceda46a1	187	# we don't test actual format too much since it could change
e54d2dfa JH	188	like( runperl( switches => ['-V'] ), qr/(\n.*){20}/,
	189	'-V generates 20+ lines' );
	190
ceda46a1 JH	191	like( runperl( switches => ['-V'] ),
	192	qr/\ASummary of my perl5 .*configuration:/,
	193	'-V looks okay' );
	194
e54d2dfa JH	195	# lookup a known config var
	196	chomp( $r=runperl( switches => ['-V:osname'] ) );
	197	is( $r, "osname='$^O';", 'perl -V:osname');
	198
	199	# lookup a nonexistent var
	200	chomp( $r=runperl( switches => ['-V:this_var_makes_switches_test_fail'] ) );
	201	is( $r, "this_var_makes_switches_test_fail='UNKNOWN';",
	202	'perl -V:unknown var');
	203
	204	# regexp lookup
	205	# platforms that don't like this quoting can either skip this test
	206	# or fix test.pl _quote_args
	207	$r = runperl( switches => ['"-V:i\D+size"'] );
	208	# should be unlike( $r, qr/^$\|not found\|UNKNOWN/ );
	209	like( $r, qr/^(?!.*(not found\|UNKNOWN))./, 'perl -V:re got a result' );
	210
	211	# make sure each line we got matches the re
	212	ok( !( grep !/^i\D+size=/, split /^/, $r ), '-V:re correct' );
	213	}
ceda46a1 JH	214
	215	# Tests for -v
	216
	217	{
	218	local $TODO = ''; # these ones should work on VMS
	219
ceda46a1 JH	220	my $v = sprintf "%vd", $^V;
	221	use Config;
	222	like( runperl( switches => ['-v'] ),
	223	qr/This is perl, v$v built for $Config{archname}.+Copyright.+Larry Wall.+Artistic License.+GNU General Public License/s,
	224	'-v looks okay' );
	225
	226	}
b8e3af44 JH	227
	228	# Tests for -h
	229
	230	{
	231	local $TODO = ''; # these ones should work on VMS
	232
	233	like( runperl( switches => ['-h'] ),
5723cfe4	234	qr/Usage: .+(?i:perl(\.exe)?).+switches.+programfile.+arguments/,
b8e3af44 JH	235	'-h looks okay' );
	236
	237	}
	238
	239	# Tests for -z (which does not exist)
	240
	241	{
	242	local $TODO = ''; # these ones should work on VMS
	243
	244	like( runperl( switches => ['-z'], stderr => 1 ),
	245	qr/\QUnrecognized switch: -z (-h will show valid options)./,
	246	'-z correctly unknown' );
	247
	248	}
feafb1eb JH	249
	250	# Tests for -i
	251
	252	{
	253	local $TODO = ''; # these ones should work on VMS
	254
	255	sub do_i_unlink { 1 while unlink("file", "file.bak") }
	256
	257	open(FILE, ">file") or die "$0: Failed to create 'file': $!";
	258	print FILE <<__EOF__;
	259	foo yada dada
	260	bada foo bing
	261	king kong foo
	262	__EOF__
	263	close FILE;
	264
	265	END { do_i_unlink() }
	266
	267	runperl( switches => ['-pi.bak'], prog => 's/foo/bar/', args => ['file'] );
	268
	269	open(FILE, "file") or die "$0: Failed to open 'file': $!";
	270	chomp(my @file = <FILE>);
	271	close FILE;
	272
	273	open(BAK, "file.bak") or die "$0: Failed to open 'file': $!";
	274	chomp(my @bak = <BAK>);
	275	close BAK;
	276
	277	is(join(":", @file),
	278	"bar yada dada:bada bar bing:king kong bar",
	279	"-i new file");
	280	is(join(":", @bak),
	281	"foo yada dada:bada foo bing:king kong foo",
	282	"-i backup file");
	283	}