#!/usr/bin/perl -w
use strict;
use lib 't/lib';
use Test::More tests => 76;
use Config;
sub array_ref_from {
my $string = shift;
my @lines = split /\n/ => $string;
return \@lines;
}
# we slurp __DATA__ and then reset it so we don't have to duplicate our TAP
my $offset = tell DATA;
my $tap = do { local $/; <DATA> };
seek DATA, $offset, 0;
my $did_setup = 0;
my $did_teardown = 0;
my $setup = sub { $did_setup++ };
my $teardown = sub { $did_teardown++ };
package NoForkProcess;
sub _use_open3 {return}
package main;
my @schedule = (
{ name => 'Process',
subclass => 'TAP::Parser::Iterator::Process',
source => {
command => [
$^X,
File::Spec->catfile(
't',
'sample-tests',
'out_err_mix'
)
],
merge => 1,
setup => $setup,
teardown => $teardown,
},
after => sub {
is $did_setup, 1, "setup called";
is $did_teardown, 1, "teardown called";
},
need_open3 => 15,
},
{ name => 'Array',
subclass => 'TAP::Parser::Iterator::Array',
source => array_ref_from($tap),
},
{ name => 'Stream',
subclass => 'TAP::Parser::Iterator::Stream',
source => \*DATA,
},
{ name => 'Process (Perl -e)',
subclass => 'TAP::Parser::Iterator::Process',
source =>
{ command => [ $^X, '-e', 'print qq/one\ntwo\n\nthree\n/' ] },
},
{ name => 'Process (NoFork)',
subclass => 'TAP::Parser::Iterator::Process',
class => 'NoForkProcess',
source =>
{ command => [ $^X, '-e', 'print qq/one\ntwo\n\nthree\n/' ] },
},
);
sub _can_open3 {
return $Config{d_fork};
}
for my $test (@schedule) {
SKIP: {
my $name = $test->{name};
my $need_open3 = $test->{need_open3};
skip "No open3", $need_open3 if $need_open3 && !_can_open3();
my $subclass = $test->{subclass};
my $source = $test->{source};
my $class = $test->{class};
my $iterator
= $class
? $class->new($source)
: make_iterator($source);
ok $iterator, "$name: We should be able to create a new iterator";
isa_ok $iterator, 'TAP::Parser::Iterator',
'... and the object it returns';
isa_ok $iterator, $subclass, '... and the object it returns';
can_ok $iterator, 'exit';
ok !defined $iterator->exit,
"$name: ... and it should be undef before we are done ($subclass)";
can_ok $iterator, 'next';
is $iterator->next, 'one',
"$name: next() should return the first result";
is $iterator->next, 'two',
"$name: next() should return the second result";
is $iterator->next, '',
"$name: next() should return the third result";
is $iterator->next, 'three',
"$name: next() should return the fourth result";
ok !defined $iterator->next,
"$name: next() should return undef after it is empty";
is $iterator->exit, 0,
"$name: ... and exit should now return 0 ($subclass)";
is $iterator->wait, 0,
"$name: wait should also now return 0 ($subclass)";
if ( my $after = $test->{after} ) {
$after->();
}
}
}
{
# coverage tests for the ctor
my $iterator = make_iterator( IO::Handle->new );
isa_ok $iterator, 'TAP::Parser::Iterator::Stream';
my @die;
eval {
local $SIG{__DIE__} = sub { push @die, @_ };
make_iterator( \1 ); # a ref to a scalar
};
is @die, 1, 'coverage of error case';
like pop @die, qr/Can't iterate with a SCALAR/,
'...and we died as expected';
}
{
# coverage test for VMS case
my $iterator = make_iterator(
[ 'not ',
'ok 1 - I hate VMS',
]
);
is $iterator->next, 'not ok 1 - I hate VMS',
'coverage of VMS line-splitting case';
# coverage test for VMS case - nothing after 'not'
$iterator = make_iterator(
[ 'not ',
]
);
is $iterator->next, 'not ', '...and we find "not" by itself';
}
SKIP: {
skip "No open3", 4 unless _can_open3();
# coverage testing for TAP::Parser::Iterator::Process ctor
my @die;
eval {
local $SIG{__DIE__} = sub { push @die, @_ };
make_iterator( {} );
};
is @die, 1, 'coverage testing for TPI::Process';
like pop @die, qr/Must supply a command to execute/,
'...and we died as expected';
my $parser = make_iterator(
{ command => [
$^X,
File::Spec->catfile( 't', 'sample-tests', 'out_err_mix' )
],
merge => 1,
}
);
is $parser->{err}, '', 'confirm we set err to empty string';
is $parser->{sel}, undef, '...and selector to undef';
# And then we read from the parser to sidestep the Mac OS / open3
# bug which frequently throws an error here otherwise.
$parser->next;
}
sub make_iterator {
my $thing = shift;
my $ref = ref $thing;
if ( $ref eq 'GLOB' || UNIVERSAL::isa( $ref, 'IO::Handle' ) ) {
return TAP::Parser::Iterator::Stream->new($thing);
}
elsif ( $ref eq 'ARRAY' ) {
return TAP::Parser::Iterator::Array->new($thing);
}
elsif ( $ref eq 'HASH' ) {
return TAP::Parser::Iterator::Process->new($thing);
}
else {
die "Can't iterate with a $ref";
}
}
__DATA__
one
two
three