[Not Mandatory] Do some Test

[Enrico-git]

https://reflectoring.io/spring-boot-data-jpa-test/

wa08-Testing JPA entities with Spring Boot.pdf

[Enrico-git]

Enrico: AuthService e CustomerService
Giulio: WalletService
Luigi: WalletController
Rosario: AuthController e CustomerController

Test di integrazione e di unità => seguire Giulio's blueprint

[Enrico-git]

CustomerServiceUnitTests.kt

package it.polito.ecommerce.unit
//TODO EA
import com.ninjasquad.springmockk.MockkBean
import io.mockk.every
import io.mockk.mockkObject
import it.polito.ecommerce.common.Rolename
import it.polito.ecommerce.domain.Customer
import it.polito.ecommerce.domain.User
import it.polito.ecommerce.dto.CustomerDTO
import it.polito.ecommerce.dto.toDTO
import it.polito.ecommerce.repositories.CustomerRepository
import it.polito.ecommerce.repositories.UserRepository
import it.polito.ecommerce.security.JwtAuthenticationTokenFilter
import it.polito.ecommerce.security.MethodSecurityConfig
import it.polito.ecommerce.services.CustomerServiceImpl
import javassist.NotFoundException
import org.junit.jupiter.api.Test
import org.junit.jupiter.api.assertThrows
import org.springframework.beans.factory.annotation.Autowired
import org.springframework.boot.autoconfigure.security.servlet.SecurityAutoConfiguration
import org.springframework.boot.autoconfigure.security.servlet.SecurityFilterAutoConfiguration
import org.springframework.boot.test.autoconfigure.web.servlet.WebMvcTest
import org.springframework.context.annotation.ComponentScan
import org.springframework.context.annotation.FilterType
import org.springframework.security.config.annotation.web.WebSecurityConfigurer
import java.util.*

@WebMvcTest(
    CustomerServiceImpl::class,
    excludeFilters = [ComponentScan.Filter(
        type = FilterType.ASSIGNABLE_TYPE, value =
        [WebSecurityConfigurer::class, MethodSecurityConfig::class, JwtAuthenticationTokenFilter::class]
    )],
    excludeAutoConfiguration = [SecurityAutoConfiguration::class, SecurityFilterAutoConfiguration::class]
)
class CustomerServiceUnitTests(@Autowired private val customerServiceImpl: CustomerServiceImpl) {
    @MockkBean
    private lateinit var customerRepository: CustomerRepository

    @MockkBean
    private lateinit var userRepository: UserRepository

    private val user = User(
        username = "alice",
        password = "my_salted_pw",
        email = "[email protected]",
        roles = Rolename.CUSTOMER.toString()
    )

    private val customer = Customer(
        name = "Alice",
        surname = "Pleasance Liddell",
        address = "Wonderland, 2",
        email = "[email protected]",
        user = User(
            username = "alice",
            password = "my_salted_pw",
            email = "[email protected]",
            roles = Rolename.CUSTOMER.toString()
        )
    )

    private val customerDTO = CustomerDTO(
        id = 4,
        name = "Alice",
        surname = "Pleasance Liddell",
        address = "Wonderland, 2",
        email = "[email protected]",
        userID = 1,
    )

    @Test
    fun `Assert get customer successfully retrieves existing customer`() {
        mockkObject(customer)
        every { customerRepository.findById(1L) } returns Optional.of(customer)
        every { customer.getId() } returns 4L
        every { customer.user.getId() } returns 1L
        val customerFetched = customerServiceImpl.getCustomer(1L)

        assert(customerFetched == customer.toDTO())
    }

    @Test
    fun `Assert get customer throws not found exception if customer not exists`() {

        every { customerRepository.findById(69L) } returns Optional.empty()

        assertThrows<NotFoundException> { customerServiceImpl.getCustomer(69L) }
    }

    @Test
    fun `Assert add customer successfully`() {
        mockkObject(customer)
        every { customer.getId() } returns 4L
        every { customer.user.getId() } returns 1L
        every { userRepository.findById(1L) } returns Optional.of(user)
        every { customerRepository.save(any()) } returns customer

        assert(customerServiceImpl.addCustomer(customerDTO) == customer.toDTO())
    }

    @Test
    fun `Assert add customer throws not found exception if user not exists`() {
        every { userRepository.findById(69L) } returns Optional.empty()

        val fakeCustomerDTO = CustomerDTO(
            id = 4,
            name = "Alice",
            surname = "Pleasance Liddell",
            address = "Wonderland, 2",
            email = "[email protected]",
            userID = 69,
        )

        assertThrows<IllegalArgumentException> { customerServiceImpl.addCustomer(fakeCustomerDTO) }
    }

    @Test
    fun `Assert update customer successfully`() {
        mockkObject(customer)
        every { customer.getId() } returns 4L
        every { customer.user.getId() } returns 1L
        every { customerRepository.findById(4L) } returns Optional.of(customer)
        every { customerRepository.save(any()) } returns customer

        val updateCustomerDTO = CustomerDTO(
            id = 4,
            name = "Alice69",
            surname = "Pleasance Liddell69",
            address = "Wonderland, 269",
            email = "[email protected]",
            userID = 1,
        )

        val outCustomerDTO  = CustomerDTO(
            id = 4,
            name = "Alice69",
            surname = "Pleasance Liddell69",
            address = "Wonderland, 269",
            email = "[email protected]",
            userID = 1,
        )

        assert(customerServiceImpl.updateCustomer(updateCustomerDTO, 4L) == outCustomerDTO)
    }

    @Test
    fun `Assert update customer throws not found exception if customer not exists`() {
        every { customerRepository.findById(69L) } returns Optional.empty()

        val fakeCustomerDTO = CustomerDTO(
            id = 4,
            name = "Alice",
            surname = "Pleasance Liddell",
            address = "Wonderland, 2",
            email = "[email protected]",
            userID = 69,
        )

        assertThrows<IllegalArgumentException> { customerServiceImpl.updateCustomer(fakeCustomerDTO, 69L) }
    }

}

CustomerServiceIntTests.kt

package it.polito.ecommerce.integration

//TODO EA

import it.polito.ecommerce.dto.CustomerDTO
import it.polito.ecommerce.repositories.CustomerRepository
import it.polito.ecommerce.repositories.UserRepository
import it.polito.ecommerce.services.CustomerService
import org.junit.jupiter.api.Test
import org.junit.jupiter.api.assertThrows
import org.springframework.beans.factory.annotation.Autowired
import org.springframework.boot.test.autoconfigure.orm.jpa.DataJpaTest
import org.springframework.context.annotation.ComponentScan
import org.springframework.context.annotation.FilterType
import org.springframework.security.access.AccessDeniedException
import org.springframework.security.test.context.support.WithUserDetails
import org.springframework.stereotype.Component
import org.springframework.stereotype.Repository
import org.springframework.stereotype.Service
import org.springframework.transaction.annotation.Transactional

@Transactional
@DataJpaTest(
    includeFilters = [ComponentScan.Filter(
        type = FilterType.ANNOTATION,
        classes = [Repository::class, Component::class, Service::class]
    )]
)
class CustomerServiceIntTests @Autowired constructor(
    private val service: CustomerService,
    private val customerRepository: CustomerRepository,
    private val userRepository: UserRepository
){

    @Test
    @WithUserDetails(value = "alice_in_wonderland")
    fun `Assert get customer successfully`() {
        assert(service.getCustomer(4L).id == 4L)
    }

    @Test
    @WithUserDetails(value = "alice_in_wonderland")
    fun `Assert get customer throws access denied`() {
        assertThrows<AccessDeniedException> { service.getCustomer(69L).id }
    }

    @Test
    @WithUserDetails(value = "alice_in_wonderland")
    fun `Assert add customer successfully`() {
        val customerDTO = CustomerDTO(
            id = null,
            name = "Alice",
            surname = "Pleasance Liddell",
            address = "Wonderland, 2",
            email = "[email protected]",
            userID = 1,
        )
        assert(service.addCustomer(customerDTO).id != null)
        assert(service.addCustomer(customerDTO).userID == 1L)
        assert(service.addCustomer(customerDTO).email == "[email protected]")
    }

    @Test
    @WithUserDetails(value = "alice_in_wonderland")
    fun `Assert add customer is forbidden if user is not correct`() {
        val fakeCustomerDTO = CustomerDTO(
            id = null,
            name = "Alice",
            surname = "Pleasance Liddell",
            address = "Wonderland, 2",
            email = "[email protected]",
            userID = 69,
        )
        assertThrows<AccessDeniedException> { service.addCustomer(fakeCustomerDTO) }
    }

    @Test
    @WithUserDetails(value = "alice_in_wonderland")
    fun `Assert update customer successfully`() {
        val updateCustomerDTO = CustomerDTO(
            id = 4,
            name = "Alice69",
            surname = "Pleasance Liddell69",
            address = "Wonderland, 269",
            email = "[email protected]",
            userID = 1,
        )
        assert(service.updateCustomer(updateCustomerDTO, 4).id != null)
        assert(service.updateCustomer(updateCustomerDTO, 4).userID == 1L)
        assert(service.updateCustomer(updateCustomerDTO, 4).email == "[email protected]")
    }

    @Test
    @WithUserDetails(value = "alice_in_wonderland")
    fun `Assert update customer is forbidden if user is not correct`() {
        val fakeCustomerDTO = CustomerDTO(
            id = null,
            name = "Alice69",
            surname = "Pleasance Liddell69",
            address = "Wonderland, 269",
            email = "[email protected]",
            userID = 69,
        )
        assertThrows<AccessDeniedException> { service.updateCustomer(fakeCustomerDTO, 69) }
    }
}