1 files changed, 60 insertions, 0 deletions
diff --git a/t/lib/Test/Class/Refresh.pm b/t/lib/Test/Class/Refresh.pm
new file mode 100644
index 0000000..9259492
--- /dev/null
+++ b/t/lib/Test/Class/Refresh.pm
@@ -0,0 +1,60 @@
+package Test::Class::Refresh;
+use strict;
+use warnings;
+
+use File::Copy;
+use File::Find;
+use File::Temp;
+
+use Sub::Exporter -setup => {
+    exports => ['prepare_temp_dir_for', 'update_temp_dir_for'],
+    groups  => { default => ['prepare_temp_dir_for', 'update_temp_dir_for'] },
+};
+
+sub rcopy {
+    my ($from_dir, $to_dir) = @_;
+
+    find(
+        {
+            no_chdir => 1,
+            wanted => sub {
+                my $from = $File::Find::name;
+                (my $base = $from) =~ s/^$from_dir//;
+                return unless length $base;
+                my $to = $to_dir . $base;
+                if (-d) {
+                    if (!-d $to) {
+                        mkdir $to or die "Couldn't create dir $to: $!";
+                    }
+                }
+                else {
+                    copy($from, $to) or die "Couldn't copy $from to $to: $!";
+                    utime(undef, undef, $to)
+                        or die "Couldn't set modification time for $to: $!";
+                }
+            },
+        },
+        $from_dir
+    );
+}
+
+sub prepare_temp_dir_for {
+    my ($test_id) = @_;
+
+    my $from_dir = 't/data/' . $test_id . '/before';
+    my $to_dir = File::Temp->newdir;
+
+    rcopy($from_dir, $to_dir);
+
+    return $to_dir;
+}
+
+sub update_temp_dir_for {
+    my ($test_id, $to_dir) = @_;
+
+    my $from_dir = 't/data/' . $test_id . '/after';
+
+    rcopy($from_dir, $to_dir);
+}
+
+1;