Instrument the lockfile creation failure

Attempting to get to the bottom of http://www.cpantesters.org/cpan/report/27f16417-89ea-1014-a33e-b361b1e9163f

diff --git a/t/lib/DBICTest.pm b/t/lib/DBICTest.pm
index 0c1d3b2..589f82b 100644 (file)
--- a/t/lib/DBICTest.pm
+++ b/t/lib/DBICTest.pm
@@ -61,12 +61,25 @@ our ($global_lock_fh, $global_exclusive_lock);
 sub import {
     my $self = shift;
 
-    my $lockpath = DBICTest::RunMode->tmpdir->file('.dbictest_global.lock');
+    my $tmpdir = DBICTest::RunMode->tmpdir;
+    my $lockpath = $tmpdir->file('.dbictest_global.lock');
 
     {
       my $u = local_umask(0); # so that the file opens as 666, and any user can lock
-      sysopen ($global_lock_fh, $lockpath, O_RDWR|O_CREAT)
-        or die "Unable to open $lockpath: $!";
+      sysopen ($global_lock_fh, $lockpath, O_RDWR|O_CREAT) or do {
+        my $err = $!;
+
+        my @x_tests = map { (defined $_) ? ( $_ ? 1 : 0 ) : 'U' } map {(-e, -d, -f, -r, -w, -x, -o)} ($tmpdir, $lockpath);
+
+        die sprintf <<"EOE", $lockpath, $err, scalar $>, scalar $), (stat($tmpdir))[4,5,2], @x_tests;
+Unable to open %s: %s
+Process EUID/EGID: %s / %s
+TmpDir UID/GID:    %s / %s
+TmpDir StatMode:   %o
+TmpDir X-tests:    -e:%s -d:%s -f:%s -r:%s -w:%s -x:%s -o:%s
+TmpFile X-tests:   -e:%s -d:%s -f:%s -r:%s -w:%s -x:%s -o:%s
+EOE
+      };
     }
 
     for (@_) {