[FINERACT-1678] Set a limit to the request body list size on Inline Loan COB API

integration-tests/src/test/java/org/apache/fineract/integrationtests/inlinecob/InlineLoanCOBHelper.java

@@ -45,6 +45,14 @@ public class InlineLoanCOBHelper extends IntegrationTest {
         return Utils.performServerPost(requestSpec, responseSpec, EXECUTE_INLINE_COB_API, buildInlineCOBRequest(loanIds));
     }
 
+    public String executeInlineCOB(List<Long> loanIds, String responseAttribute) {
+        final String EXECUTE_INLINE_COB_API = "/fineract-provider/api/v1/jobs/LOAN_COB/inline";
+        log.info("------------------EXECUTE INLINE COB----------------------");
+        log.info("------------------Loan IDs: {}----------------------", loanIds);
+        return Utils.performServerPost(requestSpec, responseSpec, EXECUTE_INLINE_COB_API, buildInlineCOBRequest(loanIds),
+                responseAttribute);
+    }
+
     private static String buildInlineCOBRequest(List<Long> loanIds) {
         final HashMap<String, List<Long>> map = new HashMap<>();
         map.put("loanIds", loanIds);

integration-tests/src/test/java/org/apache/fineract/integrationtests/inlinecob/InlineLoanCOBTest.java

@@ -18,6 +18,7 @@
  */
 package org.apache.fineract.integrationtests.inlinecob;
 
+import static org.junit.jupiter.api.Assertions.assertEquals;
 import static org.junit.jupiter.api.Assertions.assertNotNull;
 
 import io.restassured.builder.RequestSpecBuilder;
@@ -31,6 +32,7 @@ import java.time.LocalDate;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.List;
+import java.util.stream.LongStream;
 import lombok.extern.slf4j.Slf4j;
 import org.apache.fineract.batch.domain.BatchRequest;
 import org.apache.fineract.batch.domain.BatchResponse;
@@ -390,6 +392,15 @@ public class InlineLoanCOBTest {
         Assertions.assertEquals(LocalDate.of(2020, 3, 9), loan.getLastClosedBusinessDate());
     }
 
+    @Test
+    public void testInlineCOBRequestBodyItemLimitValidation() {
+        responseSpec = new ResponseSpecBuilder().expectStatusCode(400).build();
+        inlineLoanCOBHelper = new InlineLoanCOBHelper(requestSpec, responseSpec);
+        List<Long> loanIds = LongStream.rangeClosed(1, 1001).boxed().toList();
+        String responseUserMessage = inlineLoanCOBHelper.executeInlineCOB(loanIds, "defaultUserMessage");
+        assertEquals("Size of the loan IDs list cannot be over 1000", responseUserMessage);
+    }
+
     private void createNewSimpleUserWithoutBypassPermission() {
         GetOfficesResponse headOffice = OfficeHelper.getHeadOffice(requestSpec, responseSpec);
         String username = Utils.uniqueRandomStringGenerator("NotificationUser", 4);