public function test_shared_locals()
{
$cacheA = $this->get_cache();
$cacheB = new LocalCache();
$cacheA->set('shared_test', 'has a value');
$cacheA->set('shared_test2', 'exists');
$keys = ['shared_test', 'shared_test2', 'missing'];
$resA = $cacheA->get_multi($keys);
$resB = $cacheB->get_multi($keys);
$this->assertEmpty(array_diff($keys, array_keys($resA)));
$this->assertEmpty(array_diff($keys, array_keys($resB)));
foreach ($resA as $key => $itemA) {
$itemB = $resB[$key];
$this->assertEquals($itemA->get_data(), $itemB->get_data());
}
$cacheB->delete('shared_test');
$resA = $cacheA->get_multi($keys);
$resB = $cacheB->get_multi($keys);
$this->assertEmpty(array_diff($keys, array_keys($resA)));
$this->assertEmpty(array_diff($keys, array_keys($resB)));
foreach ($resA as $key => $itemA) {
$itemB = $resB[$key];
$this->assertEquals($itemA->get_data(), $itemB->get_data());
}
}
