From: Brandon L. Black <blblack@gmail.com>
Date: Fri, 15 Sep 2006 15:39:24 +0000 (+0000)
Subject: the beginnings of a real storage stress test
X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=commitdiff_plain;h=fd1182b6f40d09468c2e72e009173bc6fcc29ae5;p=dbsrgits%2FDBIx-Class-Historic.git

the beginnings of a real storage stress test
---

diff --git a/t/55storage_stress.t b/t/55storage_stress.t
new file mode 100644
index 0000000..f338302
--- /dev/null
+++ b/t/55storage_stress.t
@@ -0,0 +1,55 @@
+use strict;
+use warnings;
+use Test::More;
+
+# XXX obviously, the guts of this test haven't been written yet --blblack
+
+use lib qw(t/lib);
+
+plan skip_all => 'Set $ENV{DBICTEST_STORAGE_STRESS} to run this test'
+    . ' (it is very resource intensive!)'
+        unless $ENV{DBICTEST_STORAGE_STRESS};
+
+my $NKIDS = 20;
+my $CYCLES = 5;
+my @KILL_RATES = qw/0 0.001 0.01 0.1 0.2 0.5 0.75 1.0/;
+
+# Stress the storage with these parameters...
+sub stress_storage {
+    my ($connect_info, $num_kids, $cycles, $kill_rate) = @_;
+
+    foreach my $cycle (1..$cycles) {
+        my $schema = DBICTest::Schema->connection(@$connect_info, { AutoCommit => 1 });
+        foreach my $kidno (1..$num_kids) {
+            ok(1);
+        }
+    }
+}
+
+# Get a set of connection information -
+#  whatever the user has supplied for the vendor-specific tests
+sub get_connect_infos {
+    my @connect_infos;
+    foreach my $db_prefix (qw/PG MYSQL DB2 MSSQL ORA/) {
+        my @conn_info = @ENV{
+            map { "DBICTEST_${db_prefix}_${_}" } qw/DSN USER PASS/
+        };
+        push(@connect_infos, \@conn_info) if $conn_info[0];
+    }
+    \@connect_infos;
+}
+
+my $connect_infos = get_connect_infos();
+
+plan skip_all => 'This test needs some non-sqlite connect info!'
+    unless @$connect_infos;
+
+plan tests => (1 * @$connect_infos * $NKIDS * $CYCLES * @KILL_RATES) + 1;
+
+use_ok('DBICTest::Schema');
+
+foreach my $connect_info (@$connect_infos) {
+    foreach my $kill_rate (@KILL_RATES) {
+        stress_storage($connect_info, $NKIDS, $CYCLES, $kill_rate);
+    }
+}