public async Task Should_Verify_Item_Update_Mock_Test() //products update with no db
{
var sut = new UpdateProductRequest.Handler(_mockMapper.Object, _mockDbContext.Object);
var result = await sut.Handle(new UpdateProductRequest { ProductId = Guid.Empty }, CancellationToken.None);
_mockDbContext.Verify(dbContext => dbContext.Products, Times.Once);
_mockDbContext.Verify(dbContext => dbContext.SaveChanges(), Times.Never);
result.ProductUpdateMessage.ShouldBe("Product not found");
}
public async Task Should_Verify_Item_Update_Test() //product update within in-memory-db or combined
//Arrange
{
AlzaDbContext inMemoryDbContext = _factory.Create();
bool isDbReady = await inMemoryDbContext.Database.EnsureCreatedAsync();
isDbReady.ShouldBeTrue();
try {
_factory.SeedTestingData(inMemoryDbContext);
}
catch (Exception e) {
e.ShouldBeNull();
}
var sut = new UpdateProductRequest.Handler(_mockMapper.Object, inMemoryDbContext);
//Act
UpdateProductResponse result = await sut.Handle(new UpdateProductRequest { ProductId = Guid.Empty }, CancellationToken.None);
//Assert
result.ProductUpdated.ShouldBe(false);
result.ProductDescription.ShouldBeNull();
result.ProductUpdateMessage.ShouldBe("Product not found");
_mockMapper.Verify(mapper => mapper.Map <UpdateProductResponse>(It.IsAny <UpdateProductRequest>()), Times.Never);
//Act
result = await sut.Handle(new UpdateProductRequest { ProductId = Guid.Parse("1BBDFAD4-B8CD-472A-881B-08D890B3E94F"), Description = "Old description" }, CancellationToken.None);
//Assert
result.ProductUpdated.ShouldBe(false);
result.ProductDescription.ShouldBeNull();
result.ProductUpdateMessage.ShouldBe("Product already up to date");
_mockMapper.Verify(mapper => mapper.Map <UpdateProductResponse>(It.IsAny <UpdateProductRequest>()), Times.Never);
Product dbResult = await inMemoryDbContext.Products.FindAsync(Guid.Parse("1BBDFAD4-B8CD-472A-881B-08D890B3E94F"));
dbResult.Description.ShouldBe("Old description");
//Act
_ = await sut.Handle(new UpdateProductRequest { ProductId = Guid.Parse("1BBDFAD4-B8CD-472A-881B-08D890B3E94F"), Description = "New description" }, CancellationToken.None);
//Assert
dbResult = await inMemoryDbContext.Products.FindAsync(Guid.Parse("1BBDFAD4-B8CD-472A-881B-08D890B3E94F"));
dbResult.Description.ShouldBe("New description");
_mockMapper.Verify(mapper => mapper.Map <UpdateProductResponse>(It.IsAny <Product>()), Times.Once);
await inMemoryDbContext.Database.EnsureDeletedAsync();
await inMemoryDbContext.DisposeAsync();
}
