public void TestChainedExtractor()
{
IValueExtractor extractor = new ChainedExtractor("InnerMember.field");
IValueExtractor re1 = new ReflectionExtractor("InnerMember");
IValueExtractor re2 = new ReflectionExtractor("field");
IValueExtractor[] res = { re1, re2 };
IValueExtractor extractor1 = new ChainedExtractor(re1, re2);
IValueExtractor extractor2 = new ChainedExtractor(res);
Assert.IsNotNull(extractor);
Assert.IsNotNull(extractor1);
Assert.IsNotNull(extractor2);
Assert.AreEqual(extractor, extractor1);
Assert.AreEqual(extractor1, extractor2);
Assert.AreEqual(extractor.ToString(), extractor1.ToString());
Assert.AreEqual(extractor.GetHashCode(), extractor1.GetHashCode());
IValueExtractor[] extractors = (extractor as ChainedExtractor).Extractors;
Assert.IsNotNull(extractors);
Assert.AreEqual(extractors.Length, 2);
Assert.AreEqual(extractors[0], re1);
Assert.AreEqual(extractors[1], re2);
ReflectionTestType o = new ReflectionTestType();
Assert.AreEqual(extractor.Extract(o), o.InnerMember.field);
Assert.AreEqual(extractor.Extract(o), extractors[1].Extract(extractors[0].Extract(o)));
Assert.IsNull(extractor.Extract(null));
// testing on remote cache
INamedCache cache = CacheFactory.GetCache(CacheName);
cache.Clear();
Address a1 = new Address("street1", "city1", "state1", "zip1");
Address a2 = new Address("street2", "city2", "state2", "zip2");
Address a3 = new Address("street3", "city1", "state3", "zip3");
Hashtable ht = new Hashtable();
ht.Add(a1, "chainedExtractorValue1");
ht.Add(a2, "chainedExtractorValue2");
ht.Add(a3, "chainedExtractorValue3");
cache.InsertAll(ht);
extractor1 = new KeyExtractor(IdentityExtractor.Instance);
extractor2 = new KeyExtractor(new ReflectionExtractor("getCity"));
extractor = new KeyExtractor(new ChainedExtractor(extractor1, extractor2));
IFilter filter = new EqualsFilter(extractor, "city1");
ICollection keys = cache.GetKeys(filter);
ArrayList list = new ArrayList(keys);
Assert.AreEqual(keys.Count, 2);
Assert.AreEqual(((Address)list[0]).City, "city1");
Assert.AreEqual(((Address)list[1]).City, "city1");
CacheFactory.Shutdown();
}
