Test for the DigiCert error messages with a string value (#304)

Author: ebourg

README.md

@@ -59,6 +59,7 @@ See https://ebourg.github.io/jsign for more information.
 * ECS container credentials are now supported when signing with AWS KMS (contributed by Alejandro González)
 * The `keystore` parameter can now be specified with the `ETOKEN` storetype to distinguish between multiple connected devices
 * The command line tool on Windows now works even if the installation path contains a space (contributed by Tres Finocchiaro)
+* The error handling with DigiCert ONE has been improved (contributed by Alejandro González)
 
 #### Version 7.1 (2025-02-14)
 

jsign-crypto/src/test/java/net/jsign/jca/DigiCertOneSigningServiceTest.java

@@ -120,7 +120,7 @@ public void testGetCertificateChainWithInvalidAlias() {
     }
 
     @Test
-    public void testGetCertificateChainWithError() {
+    public void testGetCertificateChainWithEmptyError() {
         onRequest()
                 .havingMethodEqualTo("GET")
                 .havingPathEqualTo("/signingmanager/api/v1/certificates")
@@ -133,6 +133,23 @@ public void testGetCertificateChainWithError() {
         assertEquals("message", "Unable to retrieve DigiCert ONE certificate 'jsign-1995-cert'", e.getMessage());
     }
 
+    @Test
+    public void testGetCertificateChainWithStringError() {
+        onRequest()
+                .havingMethodEqualTo("GET")
+                .havingPathEqualTo("/signingmanager/api/v1/certificates")
+                .respond()
+                .withStatus(510)
+                .withContentType("application/json")
+                .withBody("{\"status\":\"500\",\"error\":\"Internal Server Error\",\"path\":\"/signingmanager/api/v1/certificates\"}");
+
+        SigningService service = getTestService();
+
+        Exception e = assertThrows(KeyStoreException.class, () -> service.getCertificateChain("jsign-1995-cert"));
+        assertEquals("message", "Unable to retrieve DigiCert ONE certificate 'jsign-1995-cert'", e.getMessage());
+        assertEquals("cause", "Internal Server Error", e.getCause().getMessage());
+    }
+
     @Test
     public void testGetCertificateChainWithInvalidEndpoint() {
         onRequest()