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);
23 use DBIx::Class::_Util;
26 our @EXPORT_OK = qw(local_umask stacktrace check_customcond_args visit_namespaces);
29 return unless defined $Config{d_umask};
31 die 'Calling local_umask() in void context makes no sense'
32 if ! defined wantarray;
34 my $old_umask = umask(shift());
35 die "Setting umask failed: $!" unless defined $old_umask;
37 return bless \$old_umask, 'DBICTest::Util::UmaskGuard';
40 package DBICTest::Util::UmaskGuard;
42 &DBIx::Class::_Util::detected_reinvoked_destructor;
45 eval { defined (umask ${$_[0]}) or die };
46 warn ( "Unable to reset old umask ${$_[0]}: " . ($!||'Unknown error') )
56 while (@frame = caller($frame++)) {
57 push @stack, [@frame[3,1,2]];
60 return undef unless @stack;
63 return join "\tinvoked as ", map { sprintf ("%s at %s line %d\n", @$_ ) } @stack;
66 sub check_customcond_args ($) {
69 confess "Expecting a hashref"
70 unless ref $args eq 'HASH';
72 for (qw(rel_name foreign_relname self_alias foreign_alias)) {
73 confess "Custom condition argument '$_' must be a plain string"
74 if length ref $args->{$_} or ! length $args->{$_};
77 confess "Current and legacy rel_name arguments do not match"
78 if $args->{rel_name} ne $args->{foreign_relname};
80 confess "Custom condition argument 'self_resultsource' must be a rsrc instance"
81 unless defined blessed $args->{self_resultsource} and $args->{self_resultsource}->isa('DBIx::Class::ResultSource');
83 confess "Passed resultsource has no record of the supplied rel_name - likely wrong \$rsrc"
84 unless ref $args->{self_resultsource}->relationship_info($args->{rel_name});
88 if (defined $args->{self_result_object} or defined $args->{self_rowobj} ) {
90 for (qw(self_result_object self_rowobj)) {
91 confess "Custom condition argument '$_' must be a result instance"
92 unless defined blessed $args->{$_} and $args->{$_}->isa('DBIx::Class::Row');
95 confess "Current and legacy self_result_object arguments do not match"
96 if refaddr($args->{self_result_object}) != refaddr($args->{self_rowobj});
99 if (defined $args->{foreign_values}) {
102 confess "Custom condition argument 'foreign_values' must be a hash reference"
103 unless ref $args->{foreign_values} eq 'HASH';
106 confess "Data structures supplied on both ends of a relationship"
112 sub visit_namespaces {
113 my $args = { (ref $_[0]) ? %{$_[0]} : @_ };
115 my $visited_count = 1;
117 # A package and a namespace are subtly different things
118 $args->{package} ||= 'main';
119 $args->{package} = 'main' if $args->{package} =~ /^ :: (?: main )? $/x;
120 $args->{package} =~ s/^:://;
122 if ( $args->{action}->($args->{package}) ) {
124 ( ($args->{package} eq 'main') ? '' : $args->{package} )
129 $visited_count += visit_namespaces( %$args, package => $_ ) for
131 # this happens sometimes on %:: traversal
134 { $_ =~ /^(.+?)::$/ ? "$ns$1" : () }
135 do { no strict 'refs'; keys %$ns }
139 return $visited_count;