public async Task <FileStreamResult> Export(ExportClassifierList request)
{
var result = await _mediator.Send(request);
// http://blog.stephencleary.com/2016/11/streaming-zip-on-aspnet-core.html
return(File(result.Stream, result.ContentType, result.FileName));
}
public async Task ExportClassifierList_Should_ReturnStream()
{
// arrange
var cancellationToken = new CancellationToken();
var unitOfWorkFactory = new TransactionScopeUnitOfWorkFactory();
var dbContextFactory = new DefaultDbContextFactory();
var classifierTypeRepository = new DbClassifierTypeRepository(dbContextFactory);
var classifierTypeService = new DbClassifierTypeService(dbContextFactory, classifierTypeRepository);
var fieldProviderRegistry = new DefaultFieldProviderRegistry();
fieldProviderRegistry.AddFieldType(typeof(TextField));
fieldProviderRegistry.AddFieldType(typeof(TextAreaField));
var dbFieldDataRepository = new DbFieldDataRepository(dbContextFactory, fieldProviderRegistry);
var metadataServiceMock = new Mock <IClassifierTypeMetadataService>();
metadataServiceMock
.Setup(x => x.GetMetadata(It.IsAny <ClassifierType>(), It.IsAny <CancellationToken>()))
.ReturnsAsync(() => new FieldMetadata[]
{
new TextField {
Key = "test1", Active = true, System = false
},
new TextField {
Key = "test2", Active = true, System = false
},
new TextField {
Key = "test3", Active = true, System = false
}
});
var generator = new MasterDataDbGenerator(unitOfWorkFactory, dbContextFactory);
var classifierRepository = new DbClassifierRepository <Classifier>(
dbContextFactory, classifierTypeService, null, metadataServiceMock.Object, dbFieldDataRepository, null);
var classifierRepositoryFactoryMock = new Mock <INamedServiceFactory <IClassifierRepository> >();
classifierRepositoryFactoryMock
.Setup(x => x.GetNamedOrDefaultService(generator.TypeCode))
.Returns(() => classifierRepository);
var handler = new ExportClassifierListHandler(classifierRepositoryFactoryMock.Object);
using (var _ = unitOfWorkFactory.Create())
{
// arrange
await generator.InsertType(HierarchyType.None, cancellationToken);
for (var i = 0; i < 100; i++)
{
await generator.InsertItem($"{i:D4}", null, cancellationToken);
}
// act
var command = new ExportClassifierList
{
TypeCode = generator.TypeCode
};
var result = await handler.Handle(command, cancellationToken);
// assert
Assert.IsNotNull(result);
Assert.IsNotNull(result.Stream);
Assert.IsNotNull(result.FileName);
Assert.IsNotNull(result.ContentType);
// temp
using (var fs = new FileStream(result.FileName, FileMode.OpenOrCreate))
{
await result.Stream.CopyToAsync(fs, cancellationToken);
}
}
}
