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|
#!/usr/bin/perl
BEGIN {
if (-f './TestInit.pm') {
@INC = '.';
} elsif (-f '../TestInit.pm') {
@INC = '..';
}
}
use TestInit qw(T); # T is chdir to the top level
use warnings;
use strict;
use Config;
use Data::Dumper;
require './t/test.pl';
plan("no_plan");
# Test that all deprecations in regen/warnings.pl are mentioned in
# pod/perldeprecation.pod and that there is sufficient time between them.
my $pod_file = "./pod/perldeprecation.pod";
my $warnings_file = "./regen/warnings.pl";
do $warnings_file;
our $WARNING_TREE;
my $deprecated = $WARNING_TREE->{all}[1]{deprecated}[2];
open my $fh, "<", $pod_file
or die "failed to open '$pod_file': $!";
my $removed_in_version;
my $subject;
my %category_seen;
my %subject_has_category;
my $in_legacy;
while (<$fh>) {
if (/^=head2 (?|Perl (5\.\d+)(?:\.\d+)?|(Unscheduled))/) { # ignore minor version
$removed_in_version = lc $1;
if ($removed_in_version eq "5.38") {
$in_legacy = 1;
}
}
elsif (/^=head3 (.*)/) {
my $new_subject = $1;
if (!$in_legacy and $subject) {
ok($subject_has_category{$subject},
"Subject '$subject' has a category specified");
}
$subject = $new_subject;
}
elsif (/^Category: "([::\w]+)"/) {
my $category = $1;
$category_seen{$category} = $removed_in_version;
$subject_has_category{$subject} = $category;
next if $removed_in_version eq "unscheduled";
my $tuple = $deprecated->{$category};
ok( $tuple, "Deprecated category '$category' ($subject) exists in $warnings_file")
or next;
my $added_in_version = $tuple->[0];
$added_in_version =~ s/(5\.\d{3})\d+/$1/;
my $diff = $removed_in_version - $added_in_version;
cmp_ok($diff, ">=", 0.004, # two production cycles
"Version change for '$category' ($subject) is sufficiently after deprecation date")
}
}
# make sure that all the deprecated categories have an entry of some sort
foreach my $category (sort keys %$deprecated) {
ok($category_seen{$category},"Deprecated category '$category' is documented in $pod_file");
}
# make sure that there arent any new uses of WARN_DEPRECATED,
# note that \< and \> are ERE expressions roughly equivalent to perl regex \b
if (-e ".git") {
chomp(my @warn_deprecated = `git grep "\<WARN_DEPRECATED\>"`);
my %files;
foreach my $line (@warn_deprecated) {
my ($file, $text) = split /:/, $line, 2;
if ($file =~ m!^dist/Devel-PPPort! ||
$file eq "t/porting/diag.t" ||
($file eq "warnings.h" && $text=~/^[=#]/)
) {
next;
}
$files{$file}++;
}
is(0+keys %files, 0,
"There should not be any new files which mention WARN_DEPRECATED");
}
# Test that deprecation warnings are produced under "use warnings"
# (set above)
{
my $warning = "nada";
local $SIG{__WARN__} = sub { $warning = $_[0] };
my $count = 0;
while ($count<1) {
LABEL: $count++;
goto DONE if $count>1;
}
goto LABEL;
DONE:
like($warning,
qr/Use of "goto" to jump into a construct is deprecated, and will become fatal in Perl 5\.42/,
"Got expected deprecation warning");
}
# Test that we can silence deprecation warnings with "no warnings 'deprecated'"
# as we used to.
{
no warnings 'deprecated';
my $warning = "nada";
local $SIG{__WARN__} = sub { $warning = $_[0] };
my $count = 0;
while ($count<1) {
LABEL: $count++;
goto DONE if $count>1;
}
goto LABEL;
DONE:
like($warning, qr/nada/,
"no warnings 'deprecated'; silenced deprecation warning as expected");
}
# Test that we can silence a specific deprecation warnings with "no warnings 'deprecated::$subcategory'"
# and that by doing so we don't silence any other deprecation warnings.
{
no warnings 'deprecated::goto_construct';
my $warning = "nada";
local $SIG{__WARN__} = sub { $warning = $_[0] };
my $count = 0;
while ($count<1) {
LABEL: $count++;
goto DONE if $count>1;
}
goto LABEL;
DONE:
like($warning, qr/nada/,
"no warnings 'deprecated::goto_construct'; silenced deprecation warning as expected");
@INC = ();
do "regen.pl"; # this should produce a deprecation warning
like($warning, qr/is no longer in \@INC/,
"no warnings 'deprecated::goto_construct'; did not silence deprecated::dot_in_inc warnings");
}
|
