public async Task ShouldUpdateProductAsExpired()
{
// given
Product product = new Filler <Product>().Create();
var productExpirationEvent = new ProductExpirationEvent
{
ProductId = product.Id,
ExpirationDate = product.ExpirationDate
};
CancellationToken cancellationToken = new CancellationToken();
Message message = new Message
{
Body = Encoding.UTF8.GetBytes(JsonConvert.SerializeObject(productExpirationEvent)),
ScheduledEnqueueTimeUtc = product.ExpirationDate.ToUniversalTime()
};
this.storageBroker.Setup(broker => broker.GetProductByIdAsync(product.Id))
.ReturnsAsync(product);
// when
var productService = new ProductEventService(this.eventsBroker.Object, this.storageBroker.Object);
await productService.ExpireProductAsync(message, cancellationToken);
// then
this.storageBroker.Verify(broker => broker.UpdateProductAsync(It.Is <Product>(
storageProduct => storageProduct.Id == product.Id &&
storageProduct.Condition == ProductCondition.Expired &&
storageProduct.ExpirationDate == product.ExpirationDate)), Times.Once);
}
public async Task ShouldAddNewProduct()
{
// given
Product product = new Filler <Product>().Create();
var productExpirationEvent = new ProductExpirationEvent
{
ProductId = product.Id,
ExpirationDate = product.ExpirationDate
};
string serializedProductExpirationEvent =
JsonConvert.SerializeObject(productExpirationEvent);
var productExpirationEventMessage = new Message(Encoding.UTF8.GetBytes(serializedProductExpirationEvent))
{
ScheduledEnqueueTimeUtc = product.ExpirationDate.ToUniversalTime()
};
this.eventsBroker.Setup(broker =>
broker.SendEventMessageAsync(It.Is <Message>(message =>
Encoding.UTF8.GetString(message.Body) == Encoding.UTF8.GetString(productExpirationEventMessage.Body) &&
message.ScheduledEnqueueTimeUtc == productExpirationEventMessage.ScheduledEnqueueTimeUtc)));
// when
var productService = new ProductEventService(this.eventsBroker.Object, this.storageBroker.Object);
await productService.CreateProductEventAsync(product);
// then
this.eventsBroker.Verify(broker =>
broker.SendEventMessageAsync(It.Is <Message>(message =>
Encoding.UTF8.GetString(message.Body) == Encoding.UTF8.GetString(productExpirationEventMessage.Body) &&
message.ScheduledEnqueueTimeUtc == productExpirationEventMessage.ScheduledEnqueueTimeUtc)), Times.Once);
}
public async Task ExpireProductAsync(Message productMessage, CancellationToken cancellationToken)
{
string serializedProductExpirationEvent = Encoding.UTF8.GetString(productMessage.Body);
ProductExpirationEvent productExpirationEvent =
JsonConvert.DeserializeObject <ProductExpirationEvent>(serializedProductExpirationEvent);
Product product = await this.storageBroker.GetProductByIdAsync(productExpirationEvent.ProductId);
if (product != null && product.ExpirationDate == productExpirationEvent.ExpirationDate)
{
product.Condition = ProductCondition.Expired;
await this.storageBroker.UpdateProductAsync(product);
}
}
private Message CreateProductAsMessage(Product product)
{
var productExpirationEvent = new ProductExpirationEvent
{
ProductId = product.Id,
ExpirationDate = product.ExpirationDate
};
string serializedProductExpirationEvent = JsonConvert.SerializeObject(productExpirationEvent);
byte[] productBinary = Encoding.UTF8.GetBytes(serializedProductExpirationEvent);
return(new Message(productBinary)
{
ScheduledEnqueueTimeUtc = product.ExpirationDate.ToUniversalTime()
});
}
