public async Task GetTransactionTypesAsync_Returns_GetTransactionTypeDtos() { //Arrange _fixture.MockTransactionTypeService.Setup(x => x.GetTransactionTypesAsync()) .ReturnsAsync(_fixture.TransactionTypes); var repository = new TransactionTypeRepository(AutoMapperSingleton.Mapper, _fixture.MockTransactionTypeService.Object); //Act var result = await repository.GetTransactionTypesAsync(); //Assert var transactionTypes = result.Should().BeAssignableTo <IEnumerable <GetTransactionTypeDto> >().Subject; transactionTypes.Should().HaveCount(5); }