public void Test_OnFieldChange_NullFieldTypes()
{
CacheInvalidator <int, string> cacheInvalidator;
cacheInvalidator = new CacheInvalidator <int, string>(new DictionaryCache <int, string>(), "a");
Assert.That(() => cacheInvalidator.OnFieldChange(null),
Throws.TypeOf <ArgumentNullException>().And.Property("ParamName").EqualTo("fieldTypes"));
}
public void Test_OnFieldChange()
{
CacheInvalidator <int, string> cacheInvalidator;
ICache <int, string> cache;
long[] testFieldTypes;
const int numFieldTypes = 10;
Func <long, bool> fieldTypesToRemove;
cache = new DictionaryCache <int, string>();
for (int i = 0; i < numFieldTypes; i++)
{
cache.Add(i, i.ToString());
}
fieldTypesToRemove = e => e % 2 == 0; // All even numbered relationship types.
testFieldTypes = Enumerable.Range(0, numFieldTypes)
.Where(i => fieldTypesToRemove(i))
.Select(i => (long)i)
.ToArray();
cacheInvalidator = new CacheInvalidator <int, string>(cache, "a");
for (int i = 0; i < numFieldTypes; i++)
{
using (CacheContext cacheContext = new CacheContext())
{
cacheContext.FieldTypes.Add(i);
cacheInvalidator.AddInvalidations(cacheContext, i);
}
}
cacheInvalidator.OnFieldChange(testFieldTypes);
Assert.That(cache.Where(ce => fieldTypesToRemove(ce.Key)), Is.Empty);
}