add system test for Rest API

Author: deepcloudlabs

how-to-use-junit5-javase/.idea/.gitignore

@@ -0,0 +1,16 @@
+package com.example.banking.config;
+
+import com.example.banking.core.application.CustomerApplication;
+import com.example.banking.core.application.impl.BusinessCustomerApplication;
+import com.example.banking.core.repository.CustomerRepository;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+
+@Configuration
+public class AppConfig {
+
+    @Bean
+    public CustomerApplication customerApplication(CustomerRepository customerRepository){
+        return new BusinessCustomerApplication(customerRepository);
+    }
+}

how-to-use-junit5-javase/.idea/misc.xml

@@ -25,11 +25,14 @@ public CustomerApplicationController(CustomerApplication customerApplication) {
     @PostMapping("{identity}")
     public TransferResponse transfer(@PathVariable String identity,
                                      @RequestBody TransferRequest request){
-        boolean success = customerApplication.transferMoney(TcKimlikNo.of(identity),
-                Iban.of(request.getFromIban()),
-                Iban.of(request.getToIban()),
-                Money.of(request.getAmount(), MoneyCurrency.valueOf(request.getFromCurrency()))
-        );
+        boolean success = false;
+        try{
+            success = customerApplication.transferMoney(TcKimlikNo.of(identity),
+                    Iban.of(request.getFromIban()),
+                    Iban.of(request.getToIban()),
+                    Money.of(request.getAmount(), MoneyCurrency.valueOf(request.getFromCurrency()))
+            );
+        } catch (IllegalArgumentException e){ }
         return new TransferResponse(success ? "Ok" : "Failed");
     }
 }

how-to-use-junit5-javase/.idea/modules.xml

@@ -20,7 +20,7 @@ public class CustomerMongoRepository implements CustomerRepository {
     @Override
     public Optional<Customer> findCustomerByIdentity(TcKimlikNo identity) {
         Optional<CustomerDocument> document = repository.findOneByIdentity(identity.getValue());
-        if (!document.isPresent()) Optional.empty();
+        if (!document.isPresent()) return Optional.empty();
         Customer customer = new Customer(identity, document.get().getFullname());
         document.get().getAccounts().forEach(accountDocument -> {
             customer.addAccount(new Account(Iban.of(accountDocument.getIban()), Money.of(accountDocument.getBalance(), accountDocument.getCurrency())));

how-to-use-junit5-javase/.idea/vcs.xml

@@ -47,6 +47,13 @@ void findCustomerByIdentityShouldReturnOne(){
         );
     }
 
+    @Test
+    void findCustomerByIdentityShouldFail(){
+        var identity = TcKimlikNo.of("94534403888");
+        var customer = repository.findCustomerByIdentity(identity);
+        assertFalse(customer.isPresent());
+    }
+
     @AfterEach
     void dropCustomerCollection(){
         // drop collection

how-to-use-junit5-maven/.idea/.gitignore

@@ -0,0 +1,68 @@
+package com.example.banking;
+
+import com.example.banking.core.domain.*;
+import com.example.banking.dto.TransferRequest;
+import com.example.banking.repository.CustomerMongoRepository;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.autoconfigure.web.servlet.AutoConfigureMockMvc;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.http.MediaType;
+import org.springframework.test.web.servlet.MockMvc;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.springframework.test.web.servlet.request.MockMvcRequestBuilders.post;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.jsonPath;
+import static org.springframework.test.web.servlet.result.MockMvcResultMatchers.status;
+
+@SpringBootTest(
+        webEnvironment = SpringBootTest.WebEnvironment.MOCK,
+        classes = BankingRestApiApplication.class
+)
+@AutoConfigureMockMvc
+public class RestApiSystemTest {
+
+    @Autowired
+    MockMvc mvc;
+
+    @Autowired
+    ObjectMapper mapper;
+
+    @Autowired
+    CustomerMongoRepository repository;
+
+    @BeforeEach
+    void createTestCustomer() {
+        var customer = new Customer(TcKimlikNo.of("84419540678"),
+                "Jack Bauer");
+        customer.addAccount(new Account(Iban.of("TR150006288538595565372934"), Money.of(1_000_000., MoneyCurrency.TL)));
+        customer.addAccount(new Account(Iban.of("TR640006273424738347266155"), Money.of(2_000_000., MoneyCurrency.TL)));
+        repository.save(customer);
+    }
+
+    @Test
+    void transferMoneyBetweenAccountShouldSuccess() throws Throwable {
+        TransferRequest request =
+                new TransferRequest("TR150006288538595565372934","TL",
+                        "TR640006273424738347266155","TL",100_000.);
+        mvc.perform(post("/transfers/84419540678")
+                .contentType(MediaType.APPLICATION_JSON)
+                .content(mapper.writeValueAsString(request))) // exercise method
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("status",is("Ok")));
+    }
+
+    @Test
+    void transferMoneyBetweenAccountShouldFail() throws Throwable {
+        TransferRequest request =
+                new TransferRequest("TR150006288538595565372934","TL",
+                        "TR640006273424738347266155","TL",100_000.);
+        mvc.perform(post("/transfers/27164342098")
+                .contentType(MediaType.APPLICATION_JSON)
+                .content(mapper.writeValueAsString(request))) // exercise method
+                .andExpect(status().isOk())
+                .andExpect(jsonPath("status",is("Failed")));
+    }
+}