more has_relationship_loaded tests + fix for the failing tests

[dbsrgits/DBIx-Class.git] / t / 51threads.t

diff --git a/t/51threads.t b/t/51threads.t
index 14d74e3..6dc0d11 100644 (file)
--- a/t/51threads.t
+++ b/t/51threads.t
@@ -1,22 +1,27 @@
-use strict;
-use warnings;
-
-use Test::More;
-
 use Config;
 BEGIN {
-    plan skip_all => 'Your perl does not support ithreads'
-        if !$Config{useithreads};
+  unless ($Config{useithreads}) {
+    print "1..0 # SKIP your perl does not support ithreads\n";
+    exit 0;
+  }
 }
+use threads;
 
-BEGIN {
-    plan skip_all => 'Minimum of perl 5.8.3 required for thread tests (DBD::Pg mandated)'
-        if $] < '5.008003';
-}
+use strict;
+use warnings;
 
-use threads;
+use Test::More;
 use Test::Exception;
+
+plan skip_all => 'DBIC does not actively support threads before perl 5.8.5'
+  if $] < '5.008005';
+
+use DBIx::Class::Optional::Dependencies ();
 use lib qw(t/lib);
+use DBICTest;
+
+plan skip_all => 'Test needs ' . DBIx::Class::Optional::Dependencies->req_missing_for ('rdbms_pg')
+  unless DBIx::Class::Optional::Dependencies->req_ok_for ('rdbms_pg');
 
 my ($dsn, $user, $pass) = @ENV{map { "DBICTEST_PG_${_}" } qw/DSN USER PASS/};
 plan skip_all => 'Set $ENV{DBICTEST_PG_DSN}, _USER and _PASS to run this test'
@@ -24,21 +29,14 @@ plan skip_all => 'Set $ENV{DBICTEST_PG_DSN}, _USER and _PASS to run this test'
 
 # README: If you set the env var to a number greater than 10,
 #   we will use that many children
-my $num_children = $ENV{DBICTEST_THREAD_STRESS};
-
-plan skip_all => 'Set $ENV{DBICTEST_THREAD_STRESS} to run this test'
-    unless $num_children;
-
+my $num_children = $ENV{DBICTEST_THREAD_STRESS} || 1;
 if($num_children !~ /^[0-9]+$/ || $num_children < 10) {
    $num_children = 10;
 }
 
 use_ok('DBICTest::Schema');
 
-diag "\n\nIt is ok if you see series of 'Attempt to free unreferenced scalar: ...' warnings during this test\n "
-  if $] < '5.008005';
-
-my $schema = DBICTest::Schema->connection($dsn, $user, $pass, { AutoCommit => 1, RaiseError => 1, PrintError => 0 });
+my $schema = DBICTest::Schema->connect($dsn, $user, $pass, { AutoCommit => 1, RaiseError => 1, PrintError => 0 });
 
 my $parent_rs;
 
@@ -55,9 +53,55 @@ lives_ok (sub {
     $schema->resultset('CD')->create({ title => 'vacation in antarctica part 2', artist => 456, year => 1901 });
 
     $parent_rs = $schema->resultset('CD')->search({ year => 1901 });
-    $parent_rs->next;
+    is ($parent_rs->count, 2);
 }, 'populate successfull');
 
+# basic tests
+{
+  ok ($schema->storage->connected(), 'Parent is connected');
+  is ($parent_rs->next->id, 1, 'Cursor advanced');
+  my $ct_num = Test::More->builder->current_test;
+
+  my $newthread = async {
+    my $out = '';
+
+    #simulate a  subtest to not confuse the parent TAP emission
+    my $tb = Test::More->builder;
+    $tb->reset;
+    for (qw/output failure_output todo_output/) {
+      close $tb->$_;
+      open ($tb->$_, '>', \$out);
+    }
+
+    ok(!$schema->storage->connected, "storage->connected() false in child");
+    for (1,2) {
+      throws_ok { $parent_rs->next } qr/\QMulti-thread access attempted while cursor in progress (position 1)/;
+    }
+
+    $parent_rs->reset;
+    is($parent_rs->next->id, 1, 'Resetting cursor reprepares it within child environment');
+
+    done_testing;
+
+    close $tb->$_ for (qw/output failure_output todo_output/);
+    sleep(1); # tasty crashes without this
+
+    $out;
+  };
+  die "Thread creation failed: $! $@" if !defined $newthread;
+
+  my $out = $newthread->join;
+  $out =~ s/^/   /gm;
+  print $out;
+
+  # workaround for older Test::More confusing the plan under threads
+  Test::More->builder->current_test($ct_num);
+
+  is ($parent_rs->next->id, 2, 'Cursor still intact in parent');
+  is ($parent_rs->next, undef, 'Cursor exhausted');
+}
+
+$parent_rs->reset;
 my @children;
 while(@children < $num_children) {
 
@@ -69,7 +113,7 @@ while(@children < $num_children) {
         if($row && $row->get_column('artist') =~ /^(?:123|456)$/) {
             $schema->resultset('CD')->create({ title => "test success $tid", artist => $tid, year => scalar(@children) });
         }
-        sleep(3);
+        sleep(1); # tasty crashes without this
     };
     die "Thread creation failed: $! $@" if !defined $newthread;
     push(@children, $newthread);
@@ -91,6 +135,7 @@ while(@children) {
 }
 
 ok(1, "Made it to the end");
+undef $parent_rs;
 
 $schema->storage->dbh->do("DROP TABLE cd");