- change exception propogation/handling

- fix units tests
- set DEFAULT_EXPIRATION_REFRESH_RATIO in entraid 0.75

Author: atakavci

core/src/main/java/redis/clients/authentication/core/TokenManager.java

@@ -49,7 +49,7 @@ public void start(TokenListener listener, boolean blockForInitialToken) {
             } catch (RuntimeException e) {
                 throw e;
             } catch (Exception e) {
-                throw new TokenRequestException(unwrap(e), lastException);
+                throw prepareToPropogate(e);
             }
         }
     }
@@ -89,9 +89,9 @@ protected Token renewToken() {
                     .getMaxAttempts()) {
                 scheduledTask = scheduleNext(tokenManagerConfig.getRetryPolicy().getdelayInMs());
             } else {
-                TokenRequestException tre = new TokenRequestException(unwrap(e), lastException);
-                listener.onError(tre);
-                throw tre;
+                RuntimeException propogateExc = prepareToPropogate(e);
+                listener.onError(propogateExc);
+                throw propogateExc;
             }
         }
         return null;
@@ -108,8 +108,15 @@ protected Token requestToken() {
         }
     }
 
-    private Throwable unwrap(Exception e) {
-        return (e instanceof ExecutionException) ? e.getCause() : e;
+    private RuntimeException prepareToPropogate(Exception e) {
+        Throwable unwrapped = e;
+        if (unwrapped instanceof ExecutionException) {
+            unwrapped = e.getCause();
+        }
+        if (unwrapped instanceof TokenRequestException) {
+            return (RuntimeException) unwrapped;
+        }
+        return new TokenRequestException(unwrapped, lastException);
     }
 
     public Token getCurrentToken() {

core/src/test/java/redis/clients/authentication/CoreAuthenticationUnitTests.java

@@ -162,7 +162,7 @@ public void testBlockForInitialToken() {
     TokenRequestException e = assertThrows(TokenRequestException.class,
       () -> tokenManager.start(mock(TokenListener.class), true));
 
-    assertEquals("Test exception from identity provider!", e.getCause().getCause().getMessage());
+    assertEquals("Test exception from identity provider!", e.getCause().getMessage());
   }
 
   @Test

entraid/src/main/java/redis/clients/authentication/entraid/EntraIDTokenAuthConfigBuilder.java

@@ -14,7 +14,7 @@
 
 public class EntraIDTokenAuthConfigBuilder
         extends TokenAuthConfig.Builder<EntraIDTokenAuthConfigBuilder> implements AutoCloseable {
-    public static final float DEFAULT_EXPIRATION_REFRESH_RATIO = 0.8F;
+    public static final float DEFAULT_EXPIRATION_REFRESH_RATIO = 0.75F;
     public static final int DEFAULT_LOWER_REFRESH_BOUND_MILLIS = 2 * 60 * 1000;
     public static final int DEFAULT_TOKEN_REQUEST_EXECUTION_TIMEOUT_IN_MS = 1000;
     public static final int DEFAULT_MAX_ATTEMPTS_TO_RETRY = 5;

entraid/src/test/java/redis/clients/authentication/EntraIDIntegrationTests.java

@@ -17,7 +17,7 @@ public void requestTokenWithSecret() throws MalformedURLException {
                                 testCtx.getClientId(), testCtx.getClientSecret(),
                                 testCtx.getAuthority());
                 Token token = new EntraIDIdentityProvider(servicePrincipalInfo,
-                                testCtx.getRedisScopes(),1000).requestToken();
+                                testCtx.getRedisScopes(), 1000).requestToken();
 
                 assertNotNull(token.getValue());
         }

entraid/src/test/java/redis/clients/authentication/EntraIDUnitTests.java

@@ -160,7 +160,7 @@ public void tokenRequestfailsWithException_fakeIdentityProviderTest() {
             () -> tokenManager.start(mock(TokenListener.class), true));
 
         assertEquals("Test exception from identity provider!",
-            e.getCause().getCause().getMessage());
+            e.getCause().getMessage());
     }
 
     // T.2.1

entraid/src/test/java/redis/clients/authentication/TestContext.java

@@ -19,13 +19,15 @@ public class TestContext {
     private static final String AZURE_PRIVATE_KEY = "AZURE_PRIVATE_KEY";
     private static final String AZURE_CERT = "AZURE_CERT";
     private static final String AZURE_REDIS_SCOPES = "AZURE_REDIS_SCOPES";
+    private static final String AZURE_USER_ASSIGNED_MANAGED_IDENTITY_CLIENT_ID = "AZURE_USER_ASSIGNED_MANAGED_IDENTITY_CLIENT_ID";
 
     private String clientId;
     private String authority;
     private String clientSecret;
     private PrivateKey privateKey;
     private X509Certificate cert;
     private Set<String> redisScopes;
+    private String userAssignedManagedIdentityClientId;
 
     public static final TestContext DEFAULT = new TestContext();
 
@@ -34,6 +36,8 @@ private TestContext() {
         this.clientId = System.getenv(AZURE_CLIENT_ID);
         this.authority = System.getenv(AZURE_AUTHORITY);
         this.clientSecret = System.getenv(AZURE_CLIENT_SECRET);
+        this.userAssignedManagedIdentityClientId = System
+                .getenv(AZURE_USER_ASSIGNED_MANAGED_IDENTITY_CLIENT_ID);
     }
 
     public TestContext(String clientId, String authority, String clientSecret,
@@ -78,6 +82,10 @@ public Set<String> getRedisScopes() {
         return redisScopes;
     }
 
+    public String getUserAssignedManagedIdentityClientId() {
+        return userAssignedManagedIdentityClientId;
+    }
+
     private PrivateKey getPrivateKey(String privateKey) {
         try {
             // Decode the base64 encoded key into a byte array