carp.t revision 7c478bd95313f5f23a4c958a745db2134aa03244
# -*- Mode: cperl; coding: utf-8; cperl-indent-level: 2 -*-
#!/usr/local/bin/perl -w
use strict;
use lib qw(t/lib);
# Due to a bug in older versions of MakeMaker & Test::Harness, we must
# ensure the blib's are in @INC, else we might use the core CGI.pm
use lib qw(blib/lib blib/arch);
use Test::More tests => 41;
use IO::Handle;
BEGIN { use_ok('CGI::Carp') };
#-----------------------------------------------------------------------------
# Test id
#-----------------------------------------------------------------------------
# directly invoked
my $expect_f = __FILE__;
my $expect_l = __LINE__ + 1;
my ($file, $line, $id) = CGI::Carp::id(0);
is($file, $expect_f, "file");
is($line, $expect_l, "line");
is($id, "carp.t", "id");
# one level of indirection
sub id1 { my $level = shift; return CGI::Carp::id($level); };
$expect_l = __LINE__ + 1;
($file, $line, $id) = id1(1);
is($file, $expect_f, "file");
is($line, $expect_l, "line");
is($id, "carp.t", "id");
# two levels of indirection
sub id2 { my $level = shift; return id1($level); };
$expect_l = __LINE__ + 1;
($file, $line, $id) = id2(2);
is($file, $expect_f, "file");
is($line, $expect_l, "line");
is($id, "carp.t", "id");
#-----------------------------------------------------------------------------
# Test stamp
#-----------------------------------------------------------------------------
my $stamp = "/^\\[
([a-z]{3}\\s){2}\\s?
[\\s\\d:]+
\\]\\s$id:/ix";
like(CGI::Carp::stamp(),
$stamp,
"Time in correct format");
sub stamp1 {return CGI::Carp::stamp()};
sub stamp2 {return stamp1()};
like(stamp2(), $stamp, "Time in correct format");
#-----------------------------------------------------------------------------
# Test warn and _warn
#-----------------------------------------------------------------------------
# set some variables to control what's going on.
$CGI::Carp::WARN = 0;
$CGI::Carp::EMIT_WARNINGS = 0;
my $q_file = quotemeta($file);
# Test that realwarn is called
{
local $^W = 0;
eval "sub CGI::Carp::realwarn {return 'Called realwarn'};";
}
$expect_l = __LINE__ + 1;
is(CGI::Carp::warn("There is a problem"),
"Called realwarn",
"CGI::Carp::warn calls CORE::warn");
# Test that message is constructed correctly
eval 'sub CGI::Carp::realwarn {my $mess = shift; return $mess};';
$expect_l = __LINE__ + 1;
like(CGI::Carp::warn("There is a problem"),
"/] $id: There is a problem at $q_file line $expect_l.".'$/',
"CGI::Carp::warn builds correct message");
# Test that _warn is called at the correct time
$CGI::Carp::WARN = 1;
my $warn_expect_l = $expect_l = __LINE__ + 1;
like(CGI::Carp::warn("There is a problem"),
"/] $id: There is a problem at $q_file line $expect_l.".'$/',
"CGI::Carp::warn builds correct message");
#-----------------------------------------------------------------------------
# Test ineval
#-----------------------------------------------------------------------------
ok(!CGI::Carp::ineval, 'ineval returns false when not in eval');
eval {ok(CGI::Carp::ineval, 'ineval returns true when in eval');};
#-----------------------------------------------------------------------------
# Test die
#-----------------------------------------------------------------------------
# set some variables to control what's going on.
$CGI::Carp::WRAP = 0;
$expect_l = __LINE__ + 1;
eval { CGI::Carp::die('There is a problem'); };
like($@,
'/^There is a problem/',
'CGI::Carp::die calls CORE::die without altering argument in eval');
# Test that realwarn is called
{
local $^W = 0;
eval 'sub CGI::Carp::realdie {my $mess = shift; return $mess};';
}
like(CGI::Carp::die('There is a problem'),
$stamp,
'CGI::Carp::die calls CORE::die, but adds stamp');
#-----------------------------------------------------------------------------
# Test set_message
#-----------------------------------------------------------------------------
is(CGI::Carp::set_message('My new Message'),
'My new Message',
'CGI::Carp::set_message returns new message');
is($CGI::Carp::CUSTOM_MSG,
'My new Message',
'CGI::Carp::set_message message set correctly');
# set the message back to the empty string so that the tests later
# work properly.
CGI::Carp::set_message(''),
#-----------------------------------------------------------------------------
# Test set_progname
#-----------------------------------------------------------------------------
import CGI::Carp qw(name=new_progname);
is($CGI::Carp::PROGNAME,
'new_progname',
'CGI::Carp::import set program name correctly');
is(CGI::Carp::set_progname('newer_progname'),
'newer_progname',
'CGI::Carp::set_progname returns new program name');
is($CGI::Carp::PROGNAME,
'newer_progname',
'CGI::Carp::set_progname program name set correctly');
# set the message back to the empty string so that the tests later
# work properly.
is (CGI::Carp::set_progname(undef),undef,"CGI::Carp::set_progname returns unset name correctly");
is ($CGI::Carp::PROGNAME,undef,"CGI::Carp::set_progname program name unset correctly");
#-----------------------------------------------------------------------------
# Test warnings_to_browser
#-----------------------------------------------------------------------------
CGI::Carp::warningsToBrowser(0);
is($CGI::Carp::EMIT_WARNINGS, 0, "Warnings turned off");
# turn off STDOUT (prevents spurious warnings to screen
tie *STDOUT, 'StoreStuff' or die "Can't tie STDOUT";
CGI::Carp::warningsToBrowser(1);
my $fake_out = join '', <STDOUT>;
untie *STDOUT;
open(STDOUT, ">&REAL_STDOUT");
my $fname = $0;
$fname =~ tr/<>-/\253\273\255/; # _warn does this so we have to also
is( $fake_out, "<!-- warning: There is a problem at $fname line $warn_expect_l. -->\n",
'warningsToBrowser() on' );
is($CGI::Carp::EMIT_WARNINGS, 1, "Warnings turned off");
#-----------------------------------------------------------------------------
# Test fatals_to_browser
#-----------------------------------------------------------------------------
package StoreStuff;
sub TIEHANDLE {
my $class = shift;
bless [], $class;
}
sub PRINT {
my $self = shift;
push @$self, @_;
}
sub READLINE {
my $self = shift;
shift @$self;
}
package main;
tie *STDOUT, "StoreStuff";
# do tests
my @result;
CGI::Carp::fatalsToBrowser();
$result[0] .= $_ while (<STDOUT>);
CGI::Carp::fatalsToBrowser('Message to the world');
$result[1] .= $_ while (<STDOUT>);
$ENV{SERVER_ADMIN} = 'foo@bar.com';
CGI::Carp::fatalsToBrowser();
$result[2] .= $_ while (<STDOUT>);
CGI::Carp::set_message('Override the message passed in'),
CGI::Carp::fatalsToBrowser('Message to the world');
$result[3] .= $_ while (<STDOUT>);
CGI::Carp::set_message(''),
delete $ENV{SERVER_ADMIN};
# now restore STDOUT
untie *STDOUT;
like($result[0],
'/Content-type: text/html/',
"Default string has header");
ok($result[0] !~ /Message to the world/, "Custom message not in default string");
like($result[1],
'/Message to the world/',
"Custom Message appears in output");
ok($result[0] !~ /foo\@bar.com/, "Server Admin does not appear in default message");
like($result[2],
'/foo@bar.com/',
"Server Admin appears in output");
like($result[3],
'/Message to the world/',
"Custom message not in result");
like($result[3],
'/Override the message passed in/',
"Correct message in string");
#-----------------------------------------------------------------------------
# Test to_filehandle
#-----------------------------------------------------------------------------
sub buffer {
CGI::Carp::to_filehandle (@_);
}
tie *STORE, "StoreStuff";
require FileHandle;
my $fh = FileHandle->new;
ok( defined buffer(\*STORE), '\*STORE returns proper filehandle');
ok( defined buffer( $fh ), '$fh returns proper filehandle');
ok( defined buffer('::STDOUT'), 'STDIN returns proper filehandle');
ok( defined buffer(*main::STDOUT), 'STDIN returns proper filehandle');
ok(!defined buffer("WIBBLE"), '"WIBBLE" doesn\'t returns proper filehandle');