Fix describe_env failure on nonexistent @INC on Win32

[dbsrgits/DBIx-Class.git] / t / 00describe_environment.t

diff --git a/t/00describe_environment.t b/t/00describe_environment.t
index 37e3da9..0beb5b0 100644 (file)
--- a/t/00describe_environment.t
+++ b/t/00describe_environment.t
@@ -57,7 +57,7 @@ use List::Util 'max';
 use ExtUtils::MakeMaker;
 
 use DBICTest::RunMode;
-use DBICTest::Util 'visit_namespaces';
+use DBIx::Class::_Util 'visit_namespaces';
 use DBIx::Class::Optional::Dependencies;
 
 my $known_paths = {
@@ -167,6 +167,8 @@ find({
   wanted => sub {
     -f $_ or return;
 
+    $_ =~ m|lib/DBIx/Class/_TempExtlib| and return;
+
     # can't just `require $fn`, as we need %INC to be
     # populated properly
     my ($mod) = $_ =~ /^ lib [\/\\] (.+) \.pm $/x
@@ -411,9 +413,10 @@ my $max_ver_len = max map
 ;
 my $max_marker_len = max map { length $_ } ( '$INC[999]', keys %$seen_markers );
 
+# Note - must be less than 76 chars wide to account for the diag() prefix
 my $discl = <<'EOD';
 
-List of loadable modules within both the core and *OPTIONAL* dependency chains
+List of loadable modules within both *OPTIONAL* and core dependency chains
 present on this system (modules sourced from ./blib, ./lib, ./t, and ./xt
 with versions identical to their parent namespace were omitted for brevity)
 
@@ -499,6 +502,11 @@ $final_out .= "=============================\n$discl\n\n";
 
 diag $final_out;
 
+# *very* large printouts may not finish flushing before the test exits
+# injecting a <testname> ... ok in the middle of the diag
+# http://www.cpantesters.org/cpan/report/fbdac74c-35ca-11e6-ab41-c893a58a4b8c
+select( undef, undef, undef, 0.2 );
+
 exit 0;
 
 
@@ -522,12 +530,18 @@ sub abs_unix_path {
 
   # File::Spec's rel2abs does not resolve symlinks
   # we *need* to look at the filesystem to be sure
-  my $abs_fn = abs_path($_[0]);
+  #
+  # But looking at the FS for non-existing basenames *may*
+  # throw on some OSes so be extra paranoid:
+  # http://www.cpantesters.org/cpan/report/26a6e42f-6c23-1014-b7dd-5cd275d8a230
+  #
+  my $abs_fn = eval { abs_path($_[0]) } || '';
 
-  if ( $^O eq 'MSWin32' and $abs_fn ) {
+  if ( $abs_fn and $^O eq 'MSWin32' ) {
 
     # sometimes we can get a short/longname mix, normalize everything to longnames
-    $abs_fn = Win32::GetLongPathName($abs_fn);
+    $abs_fn = Win32::GetLongPathName($abs_fn)
+      if -e $abs_fn;
 
     # Fixup (native) slashes in Config not matching (unixy) slashes in INC
     $abs_fn =~ s|\\|/|g;
@@ -541,7 +555,7 @@ sub shorten_fn {
 
   my $abs_fn = abs_unix_path($fn);
 
-  if (my $p = subpath_of_known_path( $fn ) ) {
+  if ($abs_fn and my $p = subpath_of_known_path( $fn ) ) {
     $abs_fn =~ s| (?<! / ) $|/|x
       if -d $abs_fn;
 
@@ -598,12 +612,21 @@ sub module_found_at_inc_index {
 
   my $fn = module_notional_filename($mod);
 
-  for my $i ( 0 .. $#$inc_dirs ) {
+  # trust INC if it specifies an existing path
+  if( -f ( my $existing_path = abs_unix_path( $INC{$fn} ) ) ) {
+    for my $i ( 0 .. $#$inc_dirs ) {
+
+      # searching from here on out won't mean anything
+      # FIXME - there is actually a way to interrogate this safely, but
+      # that's a fight for another day
+      return undef if length ref $inc_dirs->[$i];
 
-    # searching from here on out won't mean anything
-    # FIXME - there is actually a way to interrogate this safely, but
-    # that's a fight for another day
-    return undef if length ref $inc_dirs->[$i];
+      return $i
+        if 0 == index( $existing_path, abs_unix_path( $inc_dirs->[$i] ) . '/' );
+    }
+  }
+
+  for my $i ( 0 .. $#$inc_dirs ) {
 
     if (
       -d $inc_dirs->[$i]