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|
#!perl
BEGIN {
chdir 't' if -d 't';
require './test.pl';
set_up_inc( qw(../lib) );
}
use strict;
use warnings;
plan(tests => 14);
{
fresh_perl_like(
'${^HOOK}{require__before} = "x";',
qr!\$\{\^HOOK\}\{require__before\} may only be a CODE reference or undef!,
{ },
'%{^HOOK} forbids non code refs (string)');
}
{
fresh_perl_like(
'${^HOOK}{require__before} = [];',
qr!\$\{\^HOOK\}\{require__before\} may only be a CODE reference or undef!,
{ },
'%{^HOOK} forbids non code refs (array)');
}
{
fresh_perl_like(
'${^HOOK}{require__before} = sub { die "Not allowed to load $_[0]" }; require Frobnitz;',
qr!Not allowed to load Frobnitz\.pm!,
{ },
'${^HOOK}{require__before} exceptions stop require');
}
{
fresh_perl_is(
'use lib "./lib/caller"; '.
'${^HOOK}{require__before} = '.
' sub { my ($name) = @_; warn "before $name"; ' .
' return sub { warn "after $name" } }; ' .
'require Apack;',
<<'EOF_WANT',
before Apack.pm at - line 1.
before Bpack.pm at - line 1.
before Cpack.pm at - line 1.
after Cpack.pm at - line 1.
after Bpack.pm at - line 1.
after Apack.pm at - line 1.
EOF_WANT
{ },
'${^HOOK}{require__before} with post action works as expected with t/lib/caller/Apack');
}
{
fresh_perl_is(
'use lib "./lib/caller"; '.
'${^HOOK}{require__before} = '.
' sub { $_[0] = "Apack.pm" if $_[0] eq "Cycle.pm";'.
' my ($name) = @_; warn "before $name"; ' .
' return sub { warn "after $name" } }; ' .
'require Cycle;',
<<'EOF_WANT',
before Apack.pm at - line 1.
before Bpack.pm at - line 1.
before Cpack.pm at - line 1.
after Cpack.pm at - line 1.
after Bpack.pm at - line 1.
after Apack.pm at - line 1.
EOF_WANT
{ },
'${^HOOK}{require__before} with filename rewrite works as expected (Cycle.pm -> Apack.pm)');
}
{
fresh_perl_is(
'use lib "./lib/caller"; '.
'${^HOOK}{require__before} = '.
' sub { my ($name) = @_; my $n = ++$::counter; warn "before $name ($n)"; ' .
' return sub { warn "after $name ($n)" } }; ' .
'require Cycle;',
<<'EOF_WANT',
before Cycle.pm (1) at - line 1.
before Bicycle.pm (2) at - line 1.
before Tricycle.pm (3) at - line 1.
before Cycle.pm (4) at - line 1.
after Cycle.pm (4) at - line 1.
after Tricycle.pm (3) at - line 1.
after Bicycle.pm (2) at - line 1.
after Cycle.pm (1) at - line 1.
EOF_WANT
{ },
'${^HOOK}{require__before} with post action with state work as expected with t/lib/caller/Cycle');
}
{
fresh_perl_is(
'use lib "./lib/caller"; my @seen;'.
'${^HOOK}{require__before} = '.
' sub { die "Cycle detected: @seen $_[0]\n" if grep $_ eq $_[0], @seen; push @seen,$_[0]; ' .
' return sub { pop @seen } }; ' .
'require Cycle;',
<<'EOF_WANT',
Cycle detected: Cycle.pm Bicycle.pm Tricycle.pm Cycle.pm
Compilation failed in require at lib/caller/Bicycle.pm line 1.
Compilation failed in require at lib/caller/Cycle.pm line 1.
Compilation failed in require at - line 1.
EOF_WANT
{ },
'${^HOOK}{require__before} with post action with state work as expected with t/lib/caller/Cycle');
}
{
fresh_perl_is(
'use lib "./lib/caller"; '.
'${^HOOK}{require__before} = '.
' sub { my ($before_name) = @_; warn "before $before_name"; ' .
' return sub { my ($after_name) = @_; warn "after $after_name" } }; ' .
'require Apack;',
<<'EOF_WANT',
before Apack.pm at - line 1.
before Bpack.pm at - line 1.
before Cpack.pm at - line 1.
after Cpack.pm at - line 1.
after Bpack.pm at - line 1.
after Apack.pm at - line 1.
EOF_WANT
{ },
'${^HOOK}{require__before} with post action and name arg works as expected');
}
{
fresh_perl_is(
'use lib "./lib/caller"; '.
'${^HOOK}{require__before} = '.
' sub { my ($name) = @_; warn "before $name" };' .
'require Apack;',
<<'EOF_WANT',
before Apack.pm at - line 1.
before Bpack.pm at - line 1.
before Cpack.pm at - line 1.
EOF_WANT
{ },
'${^HOOK}{require__before} with no post action works as expected with t/lib/caller/Apack');
}
{
fresh_perl_is(
'use lib "./lib/caller"; '.
'${^HOOK}{require__after} = '.
' sub { my ($name) = @_; warn "after $name" };' .
'require Apack;',
<<'EOF_WANT',
after Cpack.pm at - line 1.
after Bpack.pm at - line 1.
after Apack.pm at - line 1.
EOF_WANT
{ },
'${^HOOK}{require__after} works as expected with t/lib/caller/Apack');
}
{
fresh_perl_is(
'use lib "./lib/caller"; '.
'%{^HOOK} = ( require__before => sub { print "before: $_[0]\n" },
require__after => sub { print "after: $_[0]\n" } );
{ local %{^HOOK}; require Apack; }
print "done\n";',
"done\n",
{ },
'local %{^HOOK} works to clear hooks.'
);
}
{
fresh_perl_is(
'use lib "./lib/caller"; '.
'%{^HOOK} = ( require__before => sub { print "before: $_[0]\n" },
require__after => sub { print "after: $_[0]\n" } );
{ local %{^HOOK}; require Cycle; }
require Apack;',
<<'EOF_WANT',
before: Apack.pm
before: Bpack.pm
before: Cpack.pm
after: Cpack.pm
after: Bpack.pm
after: Apack.pm
EOF_WANT
{ },
'local %{^HOOK} works to clear and restore hooks.'
);
}
{
fresh_perl_is(
'use lib "./lib/caller"; '.
'%{^HOOK} = ( require__before => sub { print "before: $_[0]\n" } );
%{^HOOK} = ( require__after => sub { print "after: $_[0]\n" } );
require Apack;',
<<'EOF_WANT',
after: Cpack.pm
after: Bpack.pm
after: Apack.pm
EOF_WANT
{ },
'%{^HOOK} = (...); works as expected (part 1)'
);
}
{
fresh_perl_is(
'use lib "./lib/caller"; '.
'%{^HOOK} = ( require__after => sub { print "after: $_[0]\n" } );
%{^HOOK} = ( require__before => sub { print "before: $_[0]\n" } );
require Apack;',
<<'EOF_WANT',
before: Apack.pm
before: Bpack.pm
before: Cpack.pm
EOF_WANT
{ },
'%{^HOOK} = (...); works as expected (part 2)'
);
}
|
