public async Task GetCategories_Saves_Data_To_Cache()
{
var cacheService = new MockCacheService();
cacheService.GetDataDelegate = s => { throw new FileNotFoundException(); };
cacheService.SaveDataAsyncDelegate = (s, o) =>
{
var collection = (ReadOnlyCollection <Category>)o;
Assert.AreEqual("Categories-0-0", s);
Assert.AreEqual(2, collection.Count);
Assert.AreEqual(1, collection[0].Id);
Assert.AreEqual(2, collection[1].Id);
return(Task.FromResult(new Uri("http://test.org")));
};
var productCatalogService = new MockProductCatalogService();
var categories = new List <Category>
{
new Category {
Id = 1
},
new Category {
Id = 2
}
};
productCatalogService.GetSubcategoriesAsyncDelegate = (parentId, maxProducts) => Task.FromResult(new ReadOnlyCollection <Category>(categories));
var target = new ProductCatalogRepository(productCatalogService, cacheService);
await target.GetRootCategoriesAsync(0);
}
public async Task GetSubcategories_Uses_Cache_When_Data_Available()
{
var cacheService = new MockCacheService();
var categories = new List <Category>
{
new Category {
Id = 10
},
new Category {
Id = 11
}
};
cacheService.GetDataDelegate = s =>
{
if (s == "Categories-1-10")
{
return(new ReadOnlyCollection <Category>(categories));
}
return(new ReadOnlyCollection <Category>(null));
};
var productCatalogService = new MockProductCatalogService();
productCatalogService.GetSubcategoriesAsyncDelegate = (parentId, maxProducts) => Task.FromResult(new ReadOnlyCollection <Category>(null));
var target = new ProductCatalogRepository(productCatalogService, cacheService);
var returnedCategories = await target.GetSubcategoriesAsync(1, 10);
Assert.AreEqual(2, returnedCategories.Count);
Assert.AreEqual(10, returnedCategories[0].Id);
Assert.AreEqual(11, returnedCategories[1].Id);
}
public async Task GetCategories_Calls_Service_When_Cache_Miss()
{
var cacheService = new MockCacheService();
cacheService.GetDataDelegate = s => { throw new FileNotFoundException(); };
cacheService.SaveDataAsyncDelegate = (s, c) => Task.FromResult(new Uri("http://test.org"));
var productCatalogService = new MockProductCatalogService();
var categories = new List <Category>
{
new Category {
Id = 1
},
new Category {
Id = 2
}
};
productCatalogService.GetSubcategoriesAsyncDelegate = (parentId, maxProducts) => Task.FromResult(new ReadOnlyCollection <Category>(categories));
var target = new ProductCatalogRepository(productCatalogService, cacheService);
var returnedCategories = await target.GetRootCategoriesAsync(0);
Assert.AreEqual(2, returnedCategories.Count);
Assert.AreEqual(1, returnedCategories[0].Id);
Assert.AreEqual(2, returnedCategories[1].Id);
}
public async Task GetCategories_Uses_Cache_When_Data_Available()
{
var cacheService = new MockCacheService();
// cacheService.DataExistsAndIsValidAsyncDelegate = s => Task.FromResult(true);
var categories = new List <Category>
{
new Category {
Id = 1
},
new Category {
Id = 2
}
};
cacheService.GetDataDelegate = (string s) =>
{
if (s == "Categories-0-0")
{
return(new ReadOnlyCollection <Category>(categories));
}
return(new ReadOnlyCollection <Category>(null));
};
var productCatalogService = new MockProductCatalogService
{
GetSubcategoriesAsyncDelegate =
(parentId, maxProducts) =>
Task.FromResult <ICollection <Category> >(
new Collection <Category>(null))
};
var target = new ProductCatalogRepository(productCatalogService, cacheService);
var returnedCategories = (await target.GetRootCategoriesAsync(0)).ToList();
Assert.AreEqual(2, returnedCategories.Count);
Assert.AreEqual(1, returnedCategories[0].Id);
Assert.AreEqual(2, returnedCategories[1].Id);
}
