public async Task TestGetWithBusinessLayer()
{
await CreateOrdersDb();
SqLiteBootstrap.Initialize();
await using var connection = new SQLiteConnection(OrdersDbContext.ConnectionString);
var repoDbDataLayer = new RepoDbDataLayer(connection);
var businessLayer = new BusinessLayer(
whereAsync: repoDbDataLayer.WhereAsync,
beforeGet: (t, e) =>
{
_customBefore = true;
return(Task.FromResult(true));
},
afterGet: (t, result) =>
{
_customAfter = true;
return(Task.FromResult(true));
});
WhereAsync whereAsync = businessLayer.WhereAsync;
var asyncEnumerable = await whereAsync
.GetAsync <OrderRecord>(o => o.Id == _id);
var returnValue = await asyncEnumerable.ToListAsync();
Assert.AreEqual(1, returnValue.Count);
Assert.IsTrue(_customBefore && _customAfter);
}
public static async Task <IAsyncEnumerable <T> > GetAsync <T>(this WhereAsync whereAsync, Expression <Func <T, bool> > predicate)
{
if (predicate == null)
{
throw new ArgumentNullException(nameof(predicate));
}
return((await whereAsync(predicate)).Cast <T>());
}
public async Task TestGet()
{
//Act
WhereAsync whereAsync = _businessLayer.WhereAsync;
var people = await whereAsync.GetAsync <Person>(p => true);
//Verify get was called
_mockGet.Verify(d => d(It.IsAny <Expression <Func <Person, bool> > >()), Times.Once);
Assert.IsTrue(_customBefore && _customAfter);
//This returns an empty list by default
Assert.AreEqual(0, (await people.ToListAsync()).Count);
}
public BusinessLayer(
SaveAsync saveAsync = null,
WhereAsync whereAsync = null,
DeleteAsync deleteAsync = null,
Deleting deleting = null,
Deleted deleted = null,
Saving saving = null,
Saved saved = null,
BeforeGet beforeGet = null,
AfterGet afterGet = null
)
{
_whereAsync = whereAsync;
_deleteAsync = deleteAsync;
_saveAsync = saveAsync;
_deleting = deleting;
_deleted = deleted;
_saving = saving;
_saved = saved;
_beforeGet = beforeGet;
_afterGet = afterGet;
}
public static Expression CreateQueryExpression <T>(this WhereAsync whereAsync, Expression <Func <T, bool> > predicate)
{
return(predicate);
}
public DemoController(WhereAsync whereAsync)
{
_whereAsync = whereAsync;
}
