public async Task TestOrmLiteViaGraphQLBusinessRules()
{
//Configure Expressions to GraphQL
var schema = SchemaBuilder.FromObject <OrdersDbContext>();
var expressionFromGraphQLProvider = new ExpressionFromGraphQLProvider(schema);
//Get an expression from graphql
var expression = expressionFromGraphQLProvider.GetExpression($@"orderRecord.where(id = ""{_id}"")");
//Create the SQLite DB
await CreateOrdersDb();
//Create the data layer
var ormLiteLayer = new OrmLiteLayer("Orders.db");
//Create a business layer and rules
var businessLayer = GetBusinessRulesContainer(ormLiteLayer);
//Add a rule
businessLayer.Item1.OnFetched <OrderRecord>(async(a) =>
{
var results = await a.ToListAsync();
results.First().CustomValue = CustomValue;
});
//Load the records
var asyncEnumerable = await businessLayer.Item2.WhereAsync(expression);
var returnValue = await asyncEnumerable.ToListAsync();
//Check that the business rule was called
var resultOrder = (OrderRecord)returnValue.First();
Assert.AreEqual(CustomValue, resultOrder.CustomValue);
}
public async Task TestGetOrmLite()
{
await CreateOrdersDb();
var repoDbDataLayer = new OrmLiteLayer("Orders.db");
var asyncEnumerable = await repoDbDataLayer.WhereAsync((Expression <Func <OrderRecord, bool> >) _getOrderByIdPredicate);
var returnValue = await asyncEnumerable.ToListAsync();
Assert.AreEqual(1, returnValue.Count);
}
public async Task TestOrmLiteViaGraphQL()
{
var schema = SchemaBuilder.FromObject <OrdersDbContext>();
var expressionFromGraphQLProvider = new ExpressionFromGraphQLProvider(schema);
var expression = expressionFromGraphQLProvider.GetExpression($@"orderRecord.where(id = ""{_id}"")");
await CreateOrdersDb();
var repoDbDataLayer = new OrmLiteLayer("Orders.db");
var asyncEnumerable = await repoDbDataLayer.WhereAsync((Expression <Func <OrderRecord, bool> >) expression);
var returnValue = await asyncEnumerable.ToListAsync();
Assert.AreEqual(1, returnValue.Count);
}
private static (ServiceCollection, BusinessLayer) GetBusinessRulesContainer(OrmLiteLayer ormLiteLayer)
{
var serviceCollection = new ServiceCollection();
var businessLayer = new BusinessLayer(
null,
ormLiteLayer.WhereAsync,
null,
null,
null,
null,
null,
async(type, query) =>
{
var serviceProvider = serviceCollection.BuildServiceProvider();
var delegateType = typeof(BeforeGet <>).MakeGenericType(type);
var @delegate = (Delegate)serviceProvider.GetService(delegateType);
if (@delegate == null)
{
return;
}
await(Task) @delegate.DynamicInvoke(query);
},
async(type, items) =>
{
var serviceProvider = serviceCollection.BuildServiceProvider();
var delegateType = typeof(AfterGet <>).MakeGenericType(type);
var @delegate = (Delegate)serviceProvider.GetService(delegateType);
if (@delegate == null)
{
return;
}
await(Task) @delegate.DynamicInvoke(items);
}
);
return(serviceCollection, businessLayer);
}
