Added rehashing test.

1 files changed, 74 insertions, 0 deletions

diff --git a/tests/array-rehash.php b/tests/array-rehash.php
new file mode 100644
index 00000000..b7ea7a84
--- /dev/null
+++ b/tests/array-rehash.php
@@ -0,0 +1,74 @@
+<?php
+
+$firstRing = array('localhost:6379', 'localhost:6380', 'localhost:6381');
+$secondRing = array('localhost:6379', 'localhost:6380', 'localhost:6381', 'localhost:6382');
+
+// prepare by flushing db
+foreach($secondRing as $s) {
+	list($host, $port) = explode(':', $s);
+
+	$r = new Redis;
+	$r->connect($host, (int)$port);
+	$r->flushdb();
+}
+
+function report_info($ra) {
+	$infos = $ra->info();
+	foreach($infos as $host => $info) {
+		echo "Host $host: ".(isset($info['db0'])?$info['db0']:0)."\n";
+	}
+}
+
+$n = 10000;
+$data = array();
+for($i = 0; $i < $n; $i++) {
+	$tmp = $i; //rand();
+	$data['key-'.$tmp] = 'val-'.$tmp;
+}
+
+echo "Distributing $n keys around the ring.\n";
+// first, distribute the keys to the original ring
+$ra = new RedisArray($firstRing, NULL, array(), TRUE);
+foreach($data as $k => $v) {
+	$ra->set($k, $v);
+}
+report_info($ra);
+
+echo "Reading back all the values.\n";
+foreach($data as $k => $v) {
+	$ret = $ra->get($k);
+	if($ret !== $v) {
+		echo "Could not match expected value $v for key $k, instead got:"; var_dump($ret);
+		die;
+	}
+}
+echo "All key/value pairs read successfuly.\n";
+
+echo "Creating a new, larger ring and reading back all the values.\n";
+$ra = new RedisArray($secondRing, NULL, $firstRing, TRUE);
+foreach($data as $k => $v) {
+	$ret = $ra->get($k);
+	if($ret !== $v) {
+		echo "Could not match expected value $v for key $k, instead got:"; var_dump($ret);
+		die;
+	}
+}
+echo "All key/value pairs read successfuly using the new setup with a fallback\n";
+report_info($ra);
+
+echo "Rehash array.\n";
+$ra->_rehash();
+
+echo "Creating a new ring without fallback and reading back all the values.\n";
+$ra = new RedisArray($secondRing);
+foreach($data as $k => $v) {
+	$ret = $ra->get($k);
+	if($ret !== $v) {
+		echo "Could not match expected value $v for key $k, instead got:"; var_dump($ret);
+		die;
+	}
+}
+echo "All key/value pairs read successfuly using the new setup without a fallback\n";
+report_info($ra);
+
+?>