1 package DBICTest::Util;
6 # this noop trick initializes the STDOUT, so that the TAP::Harness
7 # issued IO::Select->can_read calls (which are blocking wtf wtf wtf)
8 # keep spinning and scheduling jobs
9 # This results in an overall much smoother job-queue drainage, since
10 # the Harness blocks less
11 # (ideally this needs to be addressed in T::H, but a quick patchjob
12 # broke everything so tabling it for now)
14 if ($INC{'Test/Builder.pm'}) {
22 use Scalar::Util qw(blessed refaddr);
25 our @EXPORT_OK = qw(local_umask stacktrace check_customcond_args visit_namespaces);
28 return unless defined $Config{d_umask};
30 die 'Calling local_umask() in void context makes no sense'
31 if ! defined wantarray;
33 my $old_umask = umask(shift());
34 die "Setting umask failed: $!" unless defined $old_umask;
36 return bless \$old_umask, 'DBICTest::Util::UmaskGuard';
39 package DBICTest::Util::UmaskGuard;
42 eval { defined (umask ${$_[0]}) or die };
43 warn ( "Unable to reset old umask ${$_[0]}: " . ($!||'Unknown error') )
53 while (@frame = caller($frame++)) {
54 push @stack, [@frame[3,1,2]];
57 return undef unless @stack;
60 return join "\tinvoked as ", map { sprintf ("%s at %s line %d\n", @$_ ) } @stack;
63 sub check_customcond_args ($) {
66 confess "Expecting a hashref"
67 unless ref $args eq 'HASH';
69 for (qw(rel_name foreign_relname self_alias foreign_alias)) {
70 confess "Custom condition argument '$_' must be a plain string"
71 if length ref $args->{$_} or ! length $args->{$_};
74 confess "Current and legacy rel_name arguments do not match"
75 if $args->{rel_name} ne $args->{foreign_relname};
77 confess "Custom condition argument 'self_resultsource' must be a rsrc instance"
78 unless defined blessed $args->{self_resultsource} and $args->{self_resultsource}->isa('DBIx::Class::ResultSource');
80 confess "Passed resultsource has no record of the supplied rel_name - likely wrong \$rsrc"
81 unless ref $args->{self_resultsource}->relationship_info($args->{rel_name});
85 if (defined $args->{self_result_object} or defined $args->{self_rowobj} ) {
87 for (qw(self_result_object self_rowobj)) {
88 confess "Custom condition argument '$_' must be a result instance"
89 unless defined blessed $args->{$_} and $args->{$_}->isa('DBIx::Class::Row');
92 confess "Current and legacy self_result_object arguments do not match"
93 if refaddr($args->{self_result_object}) != refaddr($args->{self_rowobj});
96 if (defined $args->{foreign_values}) {
99 confess "Custom condition argument 'foreign_values' must be a hash reference"
100 unless ref $args->{foreign_values} eq 'HASH';
103 confess "Data structures supplied on both ends of a relationship"
109 sub visit_namespaces {
110 my $args = { (ref $_[0]) ? %{$_[0]} : @_ };
112 my $visited_count = 1;
114 # A package and a namespace are subtly different things
115 $args->{package} ||= 'main';
116 $args->{package} = 'main' if $args->{package} =~ /^ :: (?: main )? $/x;
117 $args->{package} =~ s/^:://;
119 if ( $args->{action}->($args->{package}) ) {
121 ( ($args->{package} eq 'main') ? '' : $args->{package} )
126 $visited_count += visit_namespaces( %$args, package => $_ ) for
128 # this happens sometimes on %:: traversal
131 { $_ =~ /^(.+?)::$/ ? "$ns$1" : () }
132 do { no strict 'refs'; keys %$ns }
136 return $visited_count;