Net Core: How to Simple Unit Test Repository and Service with Database Rows

Net Core: How to Simple Unit Test Repository and Service with Database Rows

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Net Core: How to Simple Unit Test Repository and Service with Database Rows
Tag : chash , By : user179445
Date : November 27 2020, 05:23 PM

it fixes the issue You don't want to create a mock of the DepartmentAppService. You want to create an instance. The method you are testing requires an instance of the real object, not a mock. You want to test the actual object's code, mocks don't run any code but only return fake data.
        var config = new MapperConfiguration(cfg =>
        mapper = config.CreateMapper();

var departmentAppService = new DepartmentAppService(departmentRepositoryMock.Object, mapperMock.Object);
AutoMapper.Mapper.Initialize(m => m.AddProfile<YOUR AUTOMAPPER PROFILE>());
var options = new DbContextOptionsBuilder<TestContext>()
        .UseInMemoryDatabase(databaseName: "TestDatabase")

var context = new TestContext(options))
context.Department.Add(new Department { DepartmentId = 2, DepartmentCode = "123", DepartmentName = "ABC" });

var departmentRepository = new Repository<Department>>(context);
var departmentAppService = new DepartmentAppService(departmentRepository, mapper);

var test = await departmentAppService.GetDepartmentById(5);

Assert.Equal("123", test.DepartmentCode);

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Unit testing, mocking - simple case: Service - Repository

Tag : chash , By : cnemelka
Date : March 29 2020, 07:55 AM
This might help you Personally, I wouldn't care about this. The test should make sure that the code is doing what you intend. It's very hard to test what code is not doing, I wouldn't bother in this case.
The test actually should just look like this:
public void GetProduct_GetsProductFromRepository() 
   var product = EntityGenerator.Product();

     .Setup(pr => pr.GetProduct(product.Id))

   Product returnedProduct = _productService.GetProduct(product.Id);

   Assert.AreSame(product, returnedProduct);

How to set up a unit test for spring data with service and repository?

Tag : java , By : eferro
Date : March 29 2020, 07:55 AM
this one helps. I have checked many SO comments and the docs for spring data and unit testing but I cant get this to work and I dont know why its not working. , For a repository bean to be injected,
@ComponentScan(basePackages = "com.amanu.csa",
        excludeFilters = @ComponentScan.Filter(type = FilterType.ASSIGNABLE_TYPE, value = WebConfig.class))
@EnableMongoRepositories(repositoryImplementationPostfix = "CustomImpl")
class TestConfig {

    Mongo mongo() throws Exception {
        return new MongoClient("localhost")

    MongoDbFactory mongoDbFactory() throws Exception {
        return new SimpleMongoDbFactory(mongo(), "csa_test")

    MongoTemplate mongoTemplate() throws Exception {
        MongoTemplate template = new MongoTemplate(mongoDbFactory())
        return template
@ContextConfiguration(classes = TestConfig)
class OrganizationServiceTest {

    OrganizationService organizationService

    void testRegister() {
        def org = new Organization()
        // ...

How to do a Spring Unit Test of a Service layer that use Repository?

Tag : java , By : user119605
Date : March 29 2020, 07:55 AM
seems to work fine This may be a mildly controversial opinion, but I would focus on unit testing only your converter as there is no other meaningful custom logic in this method.
Looking at the method it does:
// 1 - Create an instance of a Spring class
PageRequest page = new PageRequest(0, total, Sort.Direction.DESC, "Date");
// 2 - Query a Spring Repository with the Spring Class
Page<MessageLog> messages = logRepo.findAll(page);

// 3 - CUSTOM LOGIC to convert result to custom DTO class
List<MessageLogViewDto> messageList = messages.getContent().stream().map(
        message -> convertDto.toMessageLogView(message)).collect(Collectors.toList());

// 4 - Return a Java standard CompleteableFuture 
return CompletableFuture.completedFuture(messageList);
List<MessageLogViewDTO> convertMessageLogsToMessageLogViewDTO(List<MessageLog> messages) {
  return messages.getContent().stream().map(
    message -> convertDto.toMessageLogView(message)).collect(Collectors.toList());

EF Core - Simple unit test of repository pattern

Tag : chash , By : jgood
Date : March 29 2020, 07:55 AM
I hope this helps . You can use InMemory database provider in EF Core.
So basically you can do something like this:
var options = new DbContextOptionsBuilder<RouteMiningDataContext>()
    .UseInMemoryDatabase(databaseName: "database_test_name")

using (var context = new RouteMiningDataContext(options))
    //your test
public RouteMiningDataContext(DbContextOptions<RouteMiningDataContext> : base(options)
    { }

How to unit test a simple repository that contains a dagger injection?

Tag : java , By : druta
Date : March 29 2020, 07:55 AM
wish help you to fix your issue Unit test usually means you test a single component, supplying friendlies / mocks / stubs to test some behavior. There is no need for Dagger in unit tests, so to answer your question you should simply pass your mock to UserRepository.
UserRepository repository = new UserRepository();
repository.mUserWebService = mUserWebService;
public class UserRepository {

  UserWebService mUserWebService;

  public UserRepository(UserWebService userWebService) {
    mUserWebService = userWebService;

// and then simply call the constructor...

UserRepository repository = new UserRepository(mUserWebService);
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