P4ADEV-1341 add unitTest

build.gradle.kts

@@ -35,6 +35,7 @@ val javaJwtVersion = "4.4.0"
 val jwksRsaVersion = "0.22.1"
 val nimbusJoseJwtVersion = "9.47"
 val jjwtVersion = "0.12.6"
+val wiremockVersion = "3.9.2"
 
 dependencies {
 	implementation("org.springframework.boot:spring-boot-starter")
@@ -58,8 +59,11 @@ dependencies {
 	//	Testing
 	testImplementation("org.springframework.boot:spring-boot-starter-test")
 	testImplementation("org.springframework.security:spring-security-test")
+	testImplementation("org.junit.jupiter:junit-jupiter-api")
+	testImplementation("org.junit.jupiter:junit-jupiter-engine")
 	testImplementation("org.mockito:mockito-core")
 	testImplementation ("org.projectlombok:lombok")
+	testImplementation ("org.wiremock:wiremock-standalone:$wiremockVersion")
 }
 
 tasks.withType<Test> {

src/main/java/it/gov/pagopa/payhub/pdnd/connector/pdnd/client/PdndClientImpl.java

@@ -18,7 +18,6 @@ public class PdndClientImpl implements PdndClient {
   public PdndClientImpl(RestTemplateBuilder restTemplateBuilder,
       @Value("${app.pdnd.base-url}") String pdndBaseUrl) {
     RestTemplate restTemplate = restTemplateBuilder.build();
-
     ApiClient apiClient = new ApiClient(restTemplate);
     apiClient.setBasePath(pdndBaseUrl);
     authApi = new AuthApi(apiClient);

src/test/java/it/gov/pagopa/payhub/pdnd/connector/pdnd/service/PdndClientAssertionBuilderServiceTest.java

@@ -0,0 +1,73 @@
+package it.gov.pagopa.payhub.pdnd.connector.pdnd.service;
+
+import static org.junit.jupiter.api.Assertions.*;
+
+import it.gov.pagopa.payhub.pdnd.config.PdndConfig;
+import it.gov.pagopa.payhub.pdnd.model.PdndGenericConfig;
+import org.junit.jupiter.api.Test;
+import org.junit.jupiter.api.extension.ExtendWith;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.Mockito;
+import org.mockito.junit.jupiter.MockitoExtension;
+
+@ExtendWith(MockitoExtension.class)
+class PdndClientAssertionBuilderServiceTest {
+
+
+  @Mock
+  private PdndConfig pdndConfig;
+
+  @Mock
+  private PdndGenericConfig pdndGenericConfig;
+
+  @InjectMocks
+  private PdndClientAssertionBuilderService pdndClientAssertionBuilderService;
+
+  private String pemKey = """
+  -----BEGIN PRIVATE KEY-----
+    MIIEvAIBADANBgkqhkiG9w0BAQEFAASCBKYwggSiAgEAAoIBAQCT5fdA/ZKoyLas
+    R5/kxfFm8KBz4v3i8k76Xd8j2vh8kBaapzn9hAHWJXOJ+GOUFOxkw1bnI2PUtZjj
+    tw49XrjcxQ37sOV407+B3ko49zZjNB97OPFQyZx9V3uNcBjKnM3UqNbcBwdIIlVW
+    Egt0Cao7gEGE1CKsaXpuZkofVgGo5f8K8IdETLJPFuspDTR4UPofDraL2HCxbsVx
+    dE0UBFXgB9vQmBMkPk27cz+Ze6j5wgSGME/A+YCCp1uvJqWK/uRfGxMRyVYInR5H
+    bDiI06iZwiLLW1Pf6gE3CCYSUw42VnPHODaitjJ6XLkolB5xsUprkttIg+UrRGSa
+    9J3xg3gNAgMBAAECggEASKjRCS/KjntVK1xg1F7e0yjiWyyoeId8f4oApzfbni6X
+    vFDtr3vb/x4VHjJWkZiZ7oL9Pb7oO8cfnrf/Ge1gOq3gycdFZU/6JM5VfpkNMj2Y
+    Pcxi2cLCy91fyMPKmjfg81ojfKNDU4/yhr+EuvRImsTO63fgtP149aXxQmXZmOTu
+    TFjSNTRfvtMgHN0Em1PUgQxO8oUh3Djf5spjAJ/w+gVBSYsYSv5sOOi2H/qZSALZ
+    hc1t4GfzNKZuyG8FxNwH1SIVkKTYQnDhyiE9426tq6Kiuqvh2MspVJcRGpbaxgr2
+    q++ZZrAl60ma5U2hUEgG5oLGjyrgQjEyroZhEokgLQKBgQDKIeAJ/FYdEX4cvHhS
+    kuUpHQjpZtwOwC+vr4ojudpjLDOTTdkFXzd7jeCmjp4r1/arRxx1KZWP0fxlUEov
+    0LDiaU0zBeol/q0ayq5XnhJNVngCyKjQQ+Np1eIGTIIGOkAm8LlnEsvlQLbuOYZ4
+    eeeplBW3h321MFKgch7IyqBb5wKBgQC7UBG/ypw6RWPUOHYdtY1nLCQQJjvKCOMT
+    DolkFB2UUuNfNGK6PDUL9KbPIsrHJLw0oGoqQyBkInVMG5jJb/bHdH0spiKGn51u
+    orMk/xsA990Kqt+DT1Z5fEpoPchGMc529JR5h43n1n5s8/6jyDa5JNLFnS9xKZTm
+    IvV/Nayt6wKBgGxpSs5QRqeEkE09UJOJMduhNPxqLLDEp07lKYQL1HPIa0kgQbu9
+    2/YqnEj4ySDezfADTeIREaR3jZWRQJjwp05oB/3LuE/0jkeGWYeowkw0il2D3fcF
+    0l0bWATk2AAbEflQtz/vNuiYkwSmWdcYGwY65ILw6p1Zc5eWXah39RYVAoGAI93Y
+    GDZupcXFsMxC6btq4ReVrDX1+uCqwmplKnGjnFQmz4MTaH/A1JI7IqyR0YIaO6V/
+    zqnd2O60MSeToPa8dUK7+UGymL6VgarLzMjAXfYYMEO52sXlVAvVn5I8+BvvYd3B
+    VGf9ZyguOySZXLkoqVkAtvA7Nlr09QA6q+oWL5MCgYAsLS2PEMY/HMR1Z5P/uMxw
+    q7eQ7K3YYKcJpbM2da7r38UaZc/HhtiaU/XOdTnT/M/eF4hoW0yxO5YKfgurgosz
+    OjAnn7+Ed5S5Sh8E4EHUGCcawErZEZCtlsns0fNPGfNjadZAjq0X+5VP1EVXca0B
+    VrSp9ZTif3cvyxNTOogbgA==
+        -----END PRIVATE KEY-----
+  """;
+
+  @Test
+  void givenValidPDNDConfigWhenBuildPdndClientAssertionThenVerifyToken() throws Exception {
+    // Given
+    Mockito.when(pdndConfig.getAudience()).thenReturn("AUDIENCE");
+    Mockito.when(pdndConfig.getKey()).thenReturn(pemKey);
+
+    Mockito.when(pdndGenericConfig.getClientId()).thenReturn("CLIENTID");
+    Mockito.when(pdndGenericConfig.getPurposeId()).thenReturn("PURPOSEID");
+    Mockito.when(pdndGenericConfig.getKid()).thenReturn("KID");
+    // When
+    String token = pdndClientAssertionBuilderService.buildPdndClientAssertion(pdndGenericConfig);
+
+    // Then
+    assertNotNull(token);
+  }
+}

src/test/java/it/gov/pagopa/payhub/pdnd/utils/CertUtilsTest.java

@@ -11,7 +11,7 @@
 class CertUtilsTest {
 
   @Test
-  void whenPemKey2PrivateKeyThenValidKey() throws InvalidKeySpecException, NoSuchAlgorithmException, IOException {
+  void givenValidPrivateKeyWhenPemKey2PrivateKeyThenValidKey() throws InvalidKeySpecException, NoSuchAlgorithmException, IOException {
     // Given
     String pemKey = """
                 -----BEGIN PRIVATE KEY-----
@@ -53,7 +53,7 @@ void whenPemKey2PrivateKeyThenValidKey() throws InvalidKeySpecException, NoSuchA
   }
 
   @Test
-  void whenPemKey2PrivateKeyThenInvalidKey() {
+  void givenInvalidPrivateKeyWhenPemKey2PrivateKeyThenInvalidKey() {
     // Given
     String invalidPemKey = """
                 -----BEGIN PRIVATE KEY-----
@@ -66,7 +66,7 @@ void whenPemKey2PrivateKeyThenInvalidKey() {
   }
 
   @Test
-  void whenPemKey2PrivateKeyThenNullKey() {
+  void givenNullPrivateKeyWhenPemKey2PrivateKeyThenNullKey() {
     // Given
     String nullKey = null;
 
@@ -75,7 +75,7 @@ void whenPemKey2PrivateKeyThenNullKey() {
   }
 
   @Test
-  void whenExtractInlinePemBodyThenValidPem() {
+  void givenValidPemWhenExtractInlinePemBodyThenValidPem() {
     // Given
     String pemKey = """
                 -----BEGIN PRIVATE KEY-----

src/test/java/it/gov/pagopa/payhub/pdnd/utils/JWTUtilsTest.java

@@ -10,7 +10,7 @@
 class JWTUtilsTest {
 
   @Test
-  public void givenValidTokenWhenIsJWTExpiredThenTokenNotExpired() {
+  void givenValidTokenWhenIsJWTExpiredThenTokenNotExpired() {
     // Given
     Date futureDate = new Date(System.currentTimeMillis() + 3600 * 1000); // 1 hour from now
     String token = JWT.create()
@@ -22,7 +22,7 @@ public void givenValidTokenWhenIsJWTExpiredThenTokenNotExpired() {
   }
 
   @Test
-  public void givenExpiredTokenWhenIsJWTExpiredThenTokenExpired() {
+  void givenExpiredTokenWhenIsJWTExpiredThenTokenExpired() {
     // Given
     Date pastDate = new Date(System.currentTimeMillis() - 3600 * 1000); // 1 hour ago
     String token = JWT.create()
@@ -33,7 +33,7 @@ public void givenExpiredTokenWhenIsJWTExpiredThenTokenExpired() {
   }
 
   @Test
-  public void givenInvalidTokenWhenIsJWTExpiredThenException() {
+  void givenInvalidTokenWhenIsJWTExpiredThenException() {
     // Given
     String invalidtoken = "INVALIDTOKEN";
     // Then