public void FromCacheDoNotHitBackend()
{
// Arrange
const string key = @"{9C318B2C-A13A-49B8-956D-2F9B7CA54ACB}";
Config.Cache.DefaultProvider = new MemoryCacheProvider(keyResolver => key);
IEnumerable<Product> lst = new[]
{
new Product{Id = 1, Name = "Product 1"},
new Product{Id = 2, Name = "Product 2"},
new Product{Id = 3, Name = "Product 3"}
};
lst.ToCache();
// Create a mocked list that throws when iterated.
Mock<IEnumerable<Product>> backend = new Mock<IEnumerable<Product>>();
backend.Setup(bk => bk.GetEnumerator())
.Throws<InvalidOperationException>();
// Act
IEnumerable<Product> ret = backend.Object.FromCache().ToList();
// Verify
Assert.That(ret, Has.Count.EqualTo(3));
backend.Verify(bk => bk.GetEnumerator(), Times.Never());
}
public void ToCacheStoresDataInCache()
{
// Arrange
const string key = @"{CDC8B352-ACE1-41F9-BBC6-B958E714C211}";
Config.Cache.DefaultProvider = new MemoryCacheProvider(keyResolver => key);
IEnumerable<Product> lst = new[]
{
new Product{Id = 1, Name = "Product 1"},
new Product{Id = 2, Name = "Product 2"},
new Product{Id = 3, Name = "Product 3"}
};
// Act
lst.ToCache();
// Verify
Assert.That(MemoryCache.Default.Contains(key));
Assert.That(MemoryCache.Default.Get(key), Is.AssignableTo<IEnumerable<Product>>());
Assert.That(MemoryCache.Default.Get(key) as IEnumerable<Product>, Has.Count.EqualTo(3));
}
