Add more unit test

src/main/java/com/pauluswi/batavia/service/demo/ISO20022ResponseParser.java

@@ -18,7 +18,7 @@ public static String getBalance(String xmlResponse) {
         return extractValueFromXml(xmlResponse, "//*[local-name()='Amt']");
     }
 
-    public static String getCustomerName(String xmlResponse) {
+    public static String getCustomerFullName(String xmlResponse) {
         return extractValueFromXml(xmlResponse, "//*[local-name()='Name']");
     }
 

src/test/java/com/pauluswi/batavia/service/CustomerBalance20022ServiceTest.java

@@ -0,0 +1,63 @@
+package com.pauluswi.batavia.service;
+
+import com.pauluswi.batavia.service.demo.ISO20022ResponseParser;
+import com.pauluswi.batavia.service.demo.ISO20022Service;
+import com.pauluswi.dto.BalanceDataDTO;
+import com.pauluswi.dto.BalanceInquiryRequestDTO;
+import com.pauluswi.dto.BalanceInquiryResponseDTO;
+import org.junit.jupiter.api.BeforeEach;
+import org.junit.jupiter.api.Test;
+import org.mockito.InjectMocks;
+import org.mockito.Mock;
+import org.mockito.MockedStatic;
+import org.mockito.MockitoAnnotations;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.mockito.Mockito.*;
+
+public class CustomerBalance20022ServiceTest {
+
+    @Mock
+    private ISO20022Service iso20022Service;
+
+    @InjectMocks
+    private CustomerBalance20022Service customerBalanceService;
+
+    @BeforeEach
+    public void setUp() {
+        MockitoAnnotations.openMocks(this);
+    }
+
+    @Test
+    public void testGetCustomerBalance() {
+        // Arrange
+        BalanceInquiryRequestDTO requestDTO = new BalanceInquiryRequestDTO();
+        requestDTO.setBankAccountNumber("1234567890");
+        requestDTO.setCustomerFullName("Ahmad Subarjo");
+
+        String iso20022Request = "<ISO20022 request XML>";
+        String iso20022Response = "<ISO20022 response XML>";
+
+        // Mock the methods of ISO20022Service
+        when(iso20022Service.buildBalanceInquiryRequest("1234567890", "Ahmad Subarjo")).thenReturn(iso20022Request);
+        when(iso20022Service.simulateBalanceInquiryResponse(iso20022Request)).thenReturn(iso20022Response);
+
+        // Mock the static methods of ISO20022ResponseParser
+        try (MockedStatic<ISO20022ResponseParser> mockedParser = mockStatic(ISO20022ResponseParser.class)) {
+            mockedParser.when(() -> ISO20022ResponseParser.getBankAccountNumber(iso20022Response)).thenReturn("1234567890");
+            mockedParser.when(() -> ISO20022ResponseParser.getCustomerFullName(iso20022Response)).thenReturn("Ahmad Subarjo");
+            mockedParser.when(() -> ISO20022ResponseParser.getBalance(iso20022Response)).thenReturn("1500.00");
+
+            // Act
+            BalanceInquiryResponseDTO responseDTO = customerBalanceService.getCustomerBalance(requestDTO);
+
+            // Assert
+            assertEquals("00", responseDTO.getResponseCode());
+            assertEquals("msg123456", responseDTO.getMTI());
+
+            BalanceDataDTO dataDTO = responseDTO.getData();
+            assertEquals("1234567890", dataDTO.getBankAccountNumber());
+            assertEquals(1500.00, dataDTO.getBalance());
+        }
+    }
+}

src/test/java/com/pauluswi/batavia/service/demo/ISO20022ResponseParserTest.java

@@ -10,22 +10,22 @@ public class ISO20022ResponseParserTest {
             <Document>
                 <Acct>
                     <Id>123456789</Id>
-                    <Name>John Doe</Name>
-                    <Amt>1000.00</Amt>
+                    <Name>Ahmad Subarjo</Name>
+                    <Amt>5000.00</Amt>
                 </Acct>
             </Document>
             """;
 
     @Test
     public void testGetBalance() {
         String balance = ISO20022ResponseParser.getBalance(sampleXmlResponse);
-        assertEquals("1000.00", balance, "Balance should match the expected value from XML.");
+        assertEquals("5000.00", balance, "Balance should match the expected value from XML.");
     }
 
     @Test
     public void testGetCustomerName() {
-        String customerName = ISO20022ResponseParser.getCustomerName(sampleXmlResponse);
-        assertEquals("John Doe", customerName, "Customer name should match the expected value from XML.");
+        String customerName = ISO20022ResponseParser.getCustomerFullName(sampleXmlResponse);
+        assertEquals("Ahmad Subarjo", customerName, "Customer name should match the expected value from XML.");
     }
 
     @Test
@@ -39,7 +39,7 @@ public void testInvalidXmlResponse() {
         String invalidXmlResponse = "<InvalidXml>";
 
         assertNull(ISO20022ResponseParser.getBalance(invalidXmlResponse), "Balance should be null for invalid XML.");
-        assertNull(ISO20022ResponseParser.getCustomerName(invalidXmlResponse), "Customer name should be null for invalid XML.");
+        assertNull(ISO20022ResponseParser.getCustomerFullName(invalidXmlResponse), "Customer name should be null for invalid XML.");
         assertNull(ISO20022ResponseParser.getBankAccountNumber(invalidXmlResponse), "Bank account number should be null for invalid XML.");
     }
 
@@ -48,13 +48,13 @@ public void testMissingFieldsInXml() {
         String incompleteXmlResponse = """
                 <Document>
                     <Acct>
-                        <Name>John Doe</Name>
+                        <Name>Ahmad Subarjo</Name>
                     </Acct>
                 </Document>
                 """;
 
         assertNull(ISO20022ResponseParser.getBalance(incompleteXmlResponse), "Balance should be null if Amt tag is missing.");
-        assertEquals("John Doe", ISO20022ResponseParser.getCustomerName(incompleteXmlResponse), "Customer name should still be parsed correctly.");
+        assertEquals("Ahmad Subarjo", ISO20022ResponseParser.getCustomerFullName(incompleteXmlResponse), "Customer name should still be parsed correctly.");
         assertNull(ISO20022ResponseParser.getBankAccountNumber(incompleteXmlResponse), "Bank account number should be null if Id tag is missing.");
     }
 }