Map<String, String> metadataMap = ImmutableMap.<String, String> of(
"key1", "value1",
"key2", "value2",
"key3", "value3");
Metadata metadata = api.getNodeApiForZoneAndLoadBalancer(lb.getRegion(), lb.getId()).createMetadata(node.getId(), metadataMap);
assertEquals(metadata, getExpectedMetadata());
assertTrue(awaitAvailable(api.getLoadBalancerApiForZone(lb.getRegion())).apply(lb));
metadata = api.getNodeApiForZoneAndLoadBalancer(lb.getRegion(), lb.getId()).getMetadata(node.getId());
assertEquals(metadata, getExpectedMetadata());
assertTrue(api.getNodeApiForZoneAndLoadBalancer(lb.getRegion(), lb.getId()).updateMetadatum(node.getId(), metadata.getId("key1"), "key1-updated"));
assertTrue(awaitAvailable(api.getLoadBalancerApiForZone(lb.getRegion())).apply(lb));
metadata = api.getNodeApiForZoneAndLoadBalancer(lb.getRegion(), lb.getId()).getMetadata(node.getId());
assertEquals(metadata.get("key1"), "key1-updated");
assertTrue(api.getNodeApiForZoneAndLoadBalancer(lb.getRegion(), lb.getId()).deleteMetadatum(node.getId(), metadata.getId("key1")));
assertTrue(awaitAvailable(api.getLoadBalancerApiForZone(lb.getRegion())).apply(lb));
metadata = api.getNodeApiForZoneAndLoadBalancer(lb.getRegion(), lb.getId()).getMetadata(node.getId());
assertNull(metadata.get("key1"));
assertTrue(api.getNodeApiForZoneAndLoadBalancer(lb.getRegion(), lb.getId()).deleteMetadata(node.getId(),
ImmutableList.<Integer> of(metadata.getId("key2"), metadata.getId("key3"))));
assertTrue(awaitAvailable(api.getLoadBalancerApiForZone(lb.getRegion())).apply(lb));
metadata = api.getNodeApiForZoneAndLoadBalancer(lb.getRegion(), lb.getId()).getMetadata(node.getId());
assertEquals(metadata.size(), 0);
}
}