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Posted to commits@nifi.apache.org by ex...@apache.org on 2022/07/29 15:48:53 UTC

[nifi] branch main updated: NIFI-10292 Refactor nifi-framework-authorization-providers tests with Java and JUnit 5

This is an automated email from the ASF dual-hosted git repository.

exceptionfactory pushed a commit to branch main
in repository https://gitbox.apache.org/repos/asf/nifi.git


The following commit(s) were added to refs/heads/main by this push:
     new 67c463627c NIFI-10292 Refactor nifi-framework-authorization-providers tests with Java and JUnit 5
67c463627c is described below

commit 67c463627c0d67810493f8b8fb4e75bd63bb65c6
Author: Emilio Setiadarma <em...@gmail.com>
AuthorDate: Thu Jul 28 10:21:27 2022 -0700

    NIFI-10292 Refactor nifi-framework-authorization-providers tests with Java and JUnit 5
    
    This closes #6257
    
    Signed-off-by: David Handermann <ex...@apache.org>
---
 .../authorization/user/NiFiUserUtilsTest.groovy    | 111 ---------------------
 ...CompositeConfigurableUserGroupProviderTest.java |  99 +++++++++---------
 .../CompositeUserGroupProviderTest.java            |  89 +++++++++--------
 .../CompositeUserGroupProviderTestBase.java        |   4 +-
 .../StandardManagedAuthorizerTest.java             |  55 +++++-----
 .../nifi/authorization/user/NiFiUserUtilsTest.java |  84 ++++++++++++++++
 6 files changed, 213 insertions(+), 229 deletions(-)

diff --git a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-authorization-providers/src/test/groovy/org/apache/nifi/authorization/user/NiFiUserUtilsTest.groovy b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-authorization-providers/src/test/groovy/org/apache/nifi/authorization/user/NiFiUserUtilsTest.groovy
deleted file mode 100644
index e76b1713e8..0000000000
--- a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-authorization-providers/src/test/groovy/org/apache/nifi/authorization/user/NiFiUserUtilsTest.groovy
+++ /dev/null
@@ -1,111 +0,0 @@
-/*
- * Licensed to the Apache Software Foundation (ASF) under one or more
- * contributor license agreements.  See the NOTICE file distributed with
- * this work for additional information regarding copyright ownership.
- * The ASF licenses this file to You under the Apache License, Version 2.0
- * (the "License"); you may not use this file except in compliance with
- * the License.  You may obtain a copy of the License at
- *
- *     http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package org.apache.nifi.authorization.user
-
-import org.junit.After
-import org.junit.Before
-import org.junit.BeforeClass
-import org.junit.Test
-import org.junit.runner.RunWith
-import org.junit.runners.JUnit4
-import org.slf4j.Logger
-import org.slf4j.LoggerFactory
-
-@RunWith(JUnit4.class)
-class NiFiUserUtilsTest {
-    private static final Logger logger = LoggerFactory.getLogger(NiFiUserUtilsTest.class)
-
-    private static final String SAFE_USER_NAME_ANDY = "alopresto"
-    private static final String SAFE_USER_DN_ANDY = "CN=${SAFE_USER_NAME_ANDY}, OU=Apache NiFi"
-
-    private static final String SAFE_USER_NAME_JOHN = "jdoe"
-    private static final String SAFE_USER_DN_JOHN = "CN=${SAFE_USER_NAME_JOHN}, OU=Apache NiFi"
-
-    private static final String SAFE_USER_NAME_PROXY_1 = "proxy1.nifi.apache.org"
-    private static final String SAFE_USER_DN_PROXY_1 = "CN=${SAFE_USER_NAME_PROXY_1}, OU=Apache NiFi"
-
-    private static final String SAFE_USER_NAME_PROXY_2 = "proxy2.nifi.apache.org"
-    private static final String SAFE_USER_DN_PROXY_2 = "CN=${SAFE_USER_NAME_PROXY_2}, OU=Apache NiFi"
-
-    @BeforeClass
-    static void setUpOnce() throws Exception {
-        logger.metaClass.methodMissing = { String name, args ->
-            logger.info("[${name?.toUpperCase()}] ${(args as List).join(" ")}")
-        }
-    }
-
-    @Before
-    void setUp() {
-    }
-
-    @After
-    void tearDown() {
-    }
-
-    @Test
-    void testShouldBuildProxyChain() throws Exception {
-        // Arrange
-        def mockProxy1 = [getIdentity: { -> SAFE_USER_NAME_PROXY_1}, getChain: { -> null}, isAnonymous: { -> false}] as NiFiUser
-        def mockJohn = [getIdentity: { -> SAFE_USER_NAME_JOHN}, getChain: { -> mockProxy1}, isAnonymous: { -> false}] as NiFiUser
-
-        // Act
-        List<String> proxiedEntitiesChain = NiFiUserUtils.buildProxiedEntitiesChain(mockJohn)
-        logger.info("Proxied entities chain: ${proxiedEntitiesChain}")
-
-        // Assert
-        assert proxiedEntitiesChain == [SAFE_USER_NAME_JOHN, SAFE_USER_NAME_PROXY_1]
-    }
-
-    @Test
-    void testShouldBuildProxyChainFromSingleUser() throws Exception {
-        // Arrange
-        def mockJohn = [getIdentity: { -> SAFE_USER_NAME_JOHN}, getChain: { -> null}, isAnonymous: { -> false}] as NiFiUser
-
-        // Act
-        List<String> proxiedEntitiesChain = NiFiUserUtils.buildProxiedEntitiesChain(mockJohn)
-        logger.info("Proxied entities chain: ${proxiedEntitiesChain}")
-
-        // Assert
-        assert proxiedEntitiesChain == [SAFE_USER_NAME_JOHN]
-    }
-
-    @Test
-    void testShouldBuildProxyChainFromAnonymousUser() throws Exception {
-        // Arrange
-        def mockProxy1 = [getIdentity: { -> SAFE_USER_NAME_PROXY_1}, getChain: { -> null}, isAnonymous: { -> false}] as NiFiUser
-        def mockAnonymous = [getIdentity: { -> "anonymous"}, getChain: { -> mockProxy1}, isAnonymous: { -> true}] as NiFiUser
-
-        // Act
-        List<String> proxiedEntitiesChain = NiFiUserUtils.buildProxiedEntitiesChain(mockAnonymous)
-        logger.info("Proxied entities chain: ${proxiedEntitiesChain}")
-
-        // Assert
-        assert proxiedEntitiesChain == ["", SAFE_USER_NAME_PROXY_1]
-    }
-
-    @Test
-    void testBuildProxyChainFromNullUserShouldBeEmpty() throws Exception {
-        // Arrange
-
-        // Act
-        List<String> proxiedEntitiesChain = NiFiUserUtils.buildProxiedEntitiesChain(null)
-        logger.info("Proxied entities chain: ${proxiedEntitiesChain}")
-
-        // Assert
-        assert proxiedEntitiesChain == []
-    }
-}
diff --git a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-authorization-providers/src/test/java/org/apache/nifi/authorization/CompositeConfigurableUserGroupProviderTest.java b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-authorization-providers/src/test/java/org/apache/nifi/authorization/CompositeConfigurableUserGroupProviderTest.java
index 443164f134..0b721e3cfe 100644
--- a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-authorization-providers/src/test/java/org/apache/nifi/authorization/CompositeConfigurableUserGroupProviderTest.java
+++ b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-authorization-providers/src/test/java/org/apache/nifi/authorization/CompositeConfigurableUserGroupProviderTest.java
@@ -19,8 +19,7 @@ package org.apache.nifi.authorization;
 import org.apache.nifi.attribute.expression.language.StandardPropertyValue;
 import org.apache.nifi.authorization.exception.AuthorizerCreationException;
 import org.apache.nifi.parameter.ParameterLookup;
-import org.junit.Assert;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.util.HashMap;
 import java.util.Map;
@@ -30,9 +29,11 @@ import java.util.stream.Stream;
 
 import static org.apache.nifi.authorization.CompositeConfigurableUserGroupProvider.PROP_CONFIGURABLE_USER_GROUP_PROVIDER;
 import static org.apache.nifi.authorization.CompositeUserGroupProvider.PROP_USER_GROUP_PROVIDER_PREFIX;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
@@ -45,31 +46,37 @@ public class CompositeConfigurableUserGroupProviderTest extends CompositeUserGro
     public static final String CONFIGURABLE_USER_GROUP_PROVIDER = "configurable-user-group-provider";
     public static final String NOT_CONFIGURABLE_USER_GROUP_PROVIDER = "not-configurable-user-group-provider";
 
-    @Test(expected = AuthorizerCreationException.class)
-    public void testNoConfigurableUserGroupProviderSpecified() throws Exception {
-        initCompositeUserGroupProvider(new CompositeConfigurableUserGroupProvider(), null, configurationContext -> {
-            when(configurationContext.getProperty(PROP_CONFIGURABLE_USER_GROUP_PROVIDER)).thenReturn(new StandardPropertyValue(null, null, ParameterLookup.EMPTY));
+    @Test
+    public void testNoConfigurableUserGroupProviderSpecified() {
+        assertThrows(AuthorizerCreationException.class, () -> {
+            initCompositeUserGroupProvider(new CompositeConfigurableUserGroupProvider(), null, configurationContext -> {
+                when(configurationContext.getProperty(PROP_CONFIGURABLE_USER_GROUP_PROVIDER)).thenReturn(new StandardPropertyValue(null, null, ParameterLookup.EMPTY));
+            });
         });
     }
 
-    @Test(expected = AuthorizerCreationException.class)
-    public void testUnknownConfigurableUserGroupProvider() throws Exception {
-        initCompositeUserGroupProvider(new CompositeConfigurableUserGroupProvider(), null, configurationContext -> {
-            when(configurationContext.getProperty(PROP_CONFIGURABLE_USER_GROUP_PROVIDER)).thenReturn(new StandardPropertyValue("unknown-user-group-provider", null, ParameterLookup.EMPTY));
+    @Test
+    public void testUnknownConfigurableUserGroupProvider() {
+        assertThrows(AuthorizerCreationException.class, () -> {
+            initCompositeUserGroupProvider(new CompositeConfigurableUserGroupProvider(), null, configurationContext -> {
+                when(configurationContext.getProperty(PROP_CONFIGURABLE_USER_GROUP_PROVIDER)).thenReturn(new StandardPropertyValue("unknown-user-group-provider", null, ParameterLookup.EMPTY));
+            });
         });
     }
 
-    @Test(expected = AuthorizerCreationException.class)
-    public void testNonConfigurableUserGroupProvider() throws Exception {
-        initCompositeUserGroupProvider(new CompositeConfigurableUserGroupProvider(), lookup -> {
-            when(lookup.getUserGroupProvider(eq(NOT_CONFIGURABLE_USER_GROUP_PROVIDER))).thenReturn(mock(UserGroupProvider.class));
-        }, configurationContext -> {
-            when(configurationContext.getProperty(PROP_CONFIGURABLE_USER_GROUP_PROVIDER)).thenReturn(new StandardPropertyValue(NOT_CONFIGURABLE_USER_GROUP_PROVIDER, null, ParameterLookup.EMPTY));
+    @Test
+    public void testNonConfigurableUserGroupProvider() {
+        assertThrows(AuthorizerCreationException.class, () -> {
+            initCompositeUserGroupProvider(new CompositeConfigurableUserGroupProvider(), lookup -> {
+                when(lookup.getUserGroupProvider(eq(NOT_CONFIGURABLE_USER_GROUP_PROVIDER))).thenReturn(mock(UserGroupProvider.class));
+            }, configurationContext -> {
+                when(configurationContext.getProperty(PROP_CONFIGURABLE_USER_GROUP_PROVIDER)).thenReturn(new StandardPropertyValue(NOT_CONFIGURABLE_USER_GROUP_PROVIDER, null, ParameterLookup.EMPTY));
+            });
         });
     }
 
-    @Test(expected = AuthorizerCreationException.class)
-    public void testDuplicateProviders() throws Exception {
+    @Test
+    public void testDuplicateProviders() {
 
         // Mock UserGroupProviderLookup
         UserGroupProvider configurableUserGroupProvider = getConfigurableUserGroupProvider();
@@ -89,13 +96,15 @@ public class CompositeConfigurableUserGroupProviderTest extends CompositeUserGro
         when(configurationContext.getProperties()).thenReturn(configurationContextProperties);
 
         // configure (should throw exception)
-        CompositeConfigurableUserGroupProvider provider = new CompositeConfigurableUserGroupProvider();
-        provider.initialize(initializationContext);
-        provider.onConfigured(configurationContext);
+        assertThrows(AuthorizerCreationException.class, () -> {
+            CompositeConfigurableUserGroupProvider provider = new CompositeConfigurableUserGroupProvider();
+            provider.initialize(initializationContext);
+            provider.onConfigured(configurationContext);
+        });
     }
 
     @Test
-    public void testConfigurableUserGroupProviderOnly() throws Exception {
+    public void testConfigurableUserGroupProviderOnly() {
         final UserGroupProvider userGroupProvider = initCompositeUserGroupProvider(new CompositeConfigurableUserGroupProvider(), lookup -> {
             when(lookup.getUserGroupProvider(eq(CONFIGURABLE_USER_GROUP_PROVIDER))).thenReturn(getConfigurableUserGroupProvider());
         }, configurationContext -> {
@@ -103,8 +112,8 @@ public class CompositeConfigurableUserGroupProviderTest extends CompositeUserGro
         });
 
         // users and groups
-        Assert.assertEquals(2, userGroupProvider.getUsers().size());
-        Assert.assertEquals(1, userGroupProvider.getGroups().size());
+        assertEquals(2, userGroupProvider.getUsers().size());
+        assertEquals(1, userGroupProvider.getGroups().size());
 
         // unknown
         assertNull(userGroupProvider.getUser(NOT_A_REAL_USER_IDENTIFIER));
@@ -120,7 +129,7 @@ public class CompositeConfigurableUserGroupProviderTest extends CompositeUserGro
     }
 
     @Test
-    public void testConfigurableUserGroupProviderWithConflictingUserGroupProvider() throws Exception {
+    public void testConfigurableUserGroupProviderWithConflictingUserGroupProvider() {
         final UserGroupProvider userGroupProvider = initCompositeUserGroupProvider(new CompositeConfigurableUserGroupProvider(), lookup -> {
             when(lookup.getUserGroupProvider(eq(CONFIGURABLE_USER_GROUP_PROVIDER))).thenReturn(getConfigurableUserGroupProvider());
         }, configurationContext -> {
@@ -128,8 +137,8 @@ public class CompositeConfigurableUserGroupProviderTest extends CompositeUserGro
         }, getConflictingUserGroupProvider());
 
         // users and groups
-        Assert.assertEquals(3, userGroupProvider.getUsers().size());
-        Assert.assertEquals(2, userGroupProvider.getGroups().size());
+        assertEquals(3, userGroupProvider.getUsers().size());
+        assertEquals(2, userGroupProvider.getGroups().size());
 
         // unknown
         assertNull(userGroupProvider.getUser(NOT_A_REAL_USER_IDENTIFIER));
@@ -141,25 +150,19 @@ public class CompositeConfigurableUserGroupProviderTest extends CompositeUserGro
         assertNull(unknownUserAndGroups.getGroups());
 
         // providers
-        try {
+        Exception exception = assertThrows(IllegalStateException.class, () -> {
             testConfigurableUserGroupProvider(userGroupProvider);
-            assertTrue("Should never get here as we expect the line above to throw an exception", false);
-        } catch (Exception e) {
-            assertTrue(e instanceof IllegalStateException);
-            assertTrue(e.getMessage().contains(USER_1_IDENTITY));
-        }
+        });
+        assertTrue(exception.getMessage().contains(USER_1_IDENTITY));
 
-        try {
+        exception = assertThrows(IllegalStateException.class, () -> {
             testConflictingUserGroupProvider(userGroupProvider);
-            assertTrue("Should never get here as we expect the line above to throw an exception", false);
-        } catch (Exception e) {
-            assertTrue(e instanceof IllegalStateException);
-            assertTrue(e.getMessage().contains(USER_1_IDENTITY));
-        }
+        });
+        assertTrue(exception.getMessage().contains(USER_1_IDENTITY));
     }
 
     @Test
-    public void testConfigurableUserGroupProviderWithCollaboratingUserGroupProvider() throws Exception {
+    public void testConfigurableUserGroupProviderWithCollaboratingUserGroupProvider() {
         final UserGroupProvider userGroupProvider = initCompositeUserGroupProvider(new CompositeConfigurableUserGroupProvider(), lookup -> {
             when(lookup.getUserGroupProvider(eq(CONFIGURABLE_USER_GROUP_PROVIDER))).thenReturn(getConfigurableUserGroupProvider());
         }, configurationContext -> {
@@ -167,8 +170,8 @@ public class CompositeConfigurableUserGroupProviderTest extends CompositeUserGro
         }, getCollaboratingUserGroupProvider());
 
         // users and groups
-        Assert.assertEquals(3, userGroupProvider.getUsers().size());
-        Assert.assertEquals(2, userGroupProvider.getGroups().size());
+        assertEquals(3, userGroupProvider.getUsers().size());
+        assertEquals(2, userGroupProvider.getGroups().size());
 
         // unknown
         assertNull(userGroupProvider.getUser(NOT_A_REAL_USER_IDENTIFIER));
@@ -183,7 +186,7 @@ public class CompositeConfigurableUserGroupProviderTest extends CompositeUserGro
         final UserAndGroups user1AndGroups = userGroupProvider.getUserAndGroups(USER_1_IDENTITY);
         assertNotNull(user1AndGroups);
         assertNotNull(user1AndGroups.getUser());
-        Assert.assertEquals(2, user1AndGroups.getGroups().size()); // from CollaboratingUGP
+        assertEquals(2, user1AndGroups.getGroups().size()); // from CollaboratingUGP
     }
 
     private UserGroupProvider getConfigurableUserGroupProvider() {
@@ -206,7 +209,7 @@ public class CompositeConfigurableUserGroupProviderTest extends CompositeUserGro
         final UserAndGroups user1AndGroups = userGroupProvider.getUserAndGroups(USER_1_IDENTITY);
         assertNotNull(user1AndGroups);
         assertNotNull(user1AndGroups.getUser());
-        Assert.assertEquals(1, user1AndGroups.getGroups().size());
+        assertEquals(1, user1AndGroups.getGroups().size());
 
         assertNotNull(userGroupProvider.getUser(USER_5_IDENTIFIER));
         assertNotNull(userGroupProvider.getUserByIdentity(USER_5_IDENTITY));
@@ -217,6 +220,6 @@ public class CompositeConfigurableUserGroupProviderTest extends CompositeUserGro
         assertTrue(user5AndGroups.getGroups().isEmpty());
 
         assertNotNull(userGroupProvider.getGroup(GROUP_1_IDENTIFIER));
-        Assert.assertEquals(1, userGroupProvider.getGroup(GROUP_1_IDENTIFIER).getUsers().size());
+        assertEquals(1, userGroupProvider.getGroup(GROUP_1_IDENTIFIER).getUsers().size());
     }
 }
\ No newline at end of file
diff --git a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-authorization-providers/src/test/java/org/apache/nifi/authorization/CompositeUserGroupProviderTest.java b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-authorization-providers/src/test/java/org/apache/nifi/authorization/CompositeUserGroupProviderTest.java
index b872e54ceb..4f08b85f65 100644
--- a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-authorization-providers/src/test/java/org/apache/nifi/authorization/CompositeUserGroupProviderTest.java
+++ b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-authorization-providers/src/test/java/org/apache/nifi/authorization/CompositeUserGroupProviderTest.java
@@ -19,31 +19,34 @@ package org.apache.nifi.authorization;
 import org.apache.nifi.attribute.expression.language.StandardPropertyValue;
 import org.apache.nifi.authorization.exception.AuthorizerCreationException;
 import org.apache.nifi.parameter.ParameterLookup;
-import org.junit.Assert;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import static org.apache.nifi.authorization.CompositeUserGroupProvider.PROP_USER_GROUP_PROVIDER_PREFIX;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertNull;
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertNull;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
 
 public class CompositeUserGroupProviderTest extends CompositeUserGroupProviderTestBase {
 
-    @Test(expected = AuthorizerCreationException.class)
-    public void testNoConfiguredProviders() throws Exception {
-        initCompositeUserGroupProvider(new CompositeUserGroupProvider(), null, null);
+    @Test
+    public void testNoConfiguredProviders() {
+        assertThrows(AuthorizerCreationException.class, () -> {
+            initCompositeUserGroupProvider(new CompositeUserGroupProvider(), null, null);
+        });
     }
 
     @Test
-    public void testNoConfiguredProvidersAllowed() throws Exception {
+    public void testNoConfiguredProvidersAllowed() {
         initCompositeUserGroupProvider(new CompositeUserGroupProvider(true), null, null);
     }
 
-    @Test(expected = AuthorizerCreationException.class)
-    public void testUnknownProvider() throws Exception {
+    @Test
+    public void testUnknownProvider() {
         // initialization
         final UserGroupProviderInitializationContext initializationContext = mock(UserGroupProviderInitializationContext.class);
         when(initializationContext.getUserGroupProviderLookup()).thenReturn(new UserGroupProviderLookup() {
@@ -58,24 +61,28 @@ public class CompositeUserGroupProviderTest extends CompositeUserGroupProviderTe
         when(configurationContext.getProperty(eq(PROP_USER_GROUP_PROVIDER_PREFIX + "1"))).thenReturn(new StandardPropertyValue(String.valueOf("1"), null, ParameterLookup.EMPTY));
         mockProperties(configurationContext);
 
-        final CompositeUserGroupProvider compositeUserGroupProvider = new CompositeUserGroupProvider();
-        compositeUserGroupProvider.initialize(initializationContext);
-        compositeUserGroupProvider.onConfigured(configurationContext);
+        assertThrows(AuthorizerCreationException.class, () -> {
+            final CompositeUserGroupProvider compositeUserGroupProvider = new CompositeUserGroupProvider();
+            compositeUserGroupProvider.initialize(initializationContext);
+            compositeUserGroupProvider.onConfigured(configurationContext);
+        });
     }
 
-    @Test(expected = AuthorizerCreationException.class)
-    public void testDuplicateProviders() throws Exception {
+    @Test
+    public void testDuplicateProviders() {
         UserGroupProvider duplicatedUserGroupProvider = getUserGroupProviderOne();
-        initCompositeUserGroupProvider(new CompositeUserGroupProvider(), null, null, duplicatedUserGroupProvider, duplicatedUserGroupProvider);
+        assertThrows(AuthorizerCreationException.class, () -> {
+            initCompositeUserGroupProvider(new CompositeUserGroupProvider(), null, null, duplicatedUserGroupProvider, duplicatedUserGroupProvider);
+        });
     }
 
     @Test
-    public void testOneProvider() throws Exception {
+    public void testOneProvider() {
         final UserGroupProvider userGroupProvider = initCompositeUserGroupProvider(new CompositeUserGroupProvider(), null, null, getUserGroupProviderOne());
 
         // users and groups
-        Assert.assertEquals(2, userGroupProvider.getUsers().size());
-        Assert.assertEquals(1, userGroupProvider.getGroups().size());
+        assertEquals(2, userGroupProvider.getUsers().size());
+        assertEquals(1, userGroupProvider.getGroups().size());
 
         // unknown
         assertNull(userGroupProvider.getUser(NOT_A_REAL_USER_IDENTIFIER));
@@ -91,13 +98,13 @@ public class CompositeUserGroupProviderTest extends CompositeUserGroupProviderTe
     }
 
     @Test
-    public void testMultipleProviders() throws Exception {
+    public void testMultipleProviders() {
         final UserGroupProvider userGroupProvider = initCompositeUserGroupProvider(new CompositeUserGroupProvider(), null, null,
                 getUserGroupProviderOne(), getUserGroupProviderTwo());
 
         // users and groups
-        Assert.assertEquals(3, userGroupProvider.getUsers().size());
-        Assert.assertEquals(2, userGroupProvider.getGroups().size());
+        assertEquals(3, userGroupProvider.getUsers().size());
+        assertEquals(2, userGroupProvider.getGroups().size());
 
         // unknown
         assertNull(userGroupProvider.getUser(NOT_A_REAL_USER_IDENTIFIER));
@@ -114,13 +121,13 @@ public class CompositeUserGroupProviderTest extends CompositeUserGroupProviderTe
     }
 
     @Test
-    public void testMultipleProvidersWithConflictingUsers() throws Exception {
+    public void testMultipleProvidersWithConflictingUsers() {
         final UserGroupProvider userGroupProvider = initCompositeUserGroupProvider(new CompositeUserGroupProvider(), null, null,
                 getUserGroupProviderOne(), getUserGroupProviderTwo(), getConflictingUserGroupProvider());
 
         // users and groups
-        Assert.assertEquals(4, userGroupProvider.getUsers().size());
-        Assert.assertEquals(2, userGroupProvider.getGroups().size());
+        assertEquals(4, userGroupProvider.getUsers().size());
+        assertEquals(2, userGroupProvider.getGroups().size());
 
         // unknown
         assertNull(userGroupProvider.getUser(NOT_A_REAL_USER_IDENTIFIER));
@@ -134,31 +141,25 @@ public class CompositeUserGroupProviderTest extends CompositeUserGroupProviderTe
         // providers
         testUserGroupProviderTwo(userGroupProvider);
 
-        try {
+        Exception exception = assertThrows(IllegalStateException.class, () -> {
             testUserGroupProviderOne(userGroupProvider);
-            assertTrue("Should never get here as we expect the line above to throw an exception", false);
-        } catch (Exception e) {
-            assertTrue(e instanceof IllegalStateException);
-            assertTrue(e.getMessage().contains(USER_1_IDENTITY));
-        }
-
-        try {
-            testConflictingUserGroupProvider(userGroupProvider);
-            assertTrue("Should never get here as we expect the line above to throw an exception", false);
-        } catch (Exception e) {
-            assertTrue(e instanceof IllegalStateException);
-            assertTrue(e.getMessage().contains(USER_1_IDENTITY));
-        }
+        });
+        assertTrue(exception.getMessage().contains(USER_1_IDENTITY));
+
+        exception = assertThrows(IllegalStateException.class, () -> {
+           testConflictingUserGroupProvider(userGroupProvider);
+        });
+        assertTrue(exception.getMessage().contains(USER_1_IDENTITY));
     }
 
     @Test
-    public void testMultipleProvidersWithCollaboratingUserGroupProvider() throws Exception {
+    public void testMultipleProvidersWithCollaboratingUserGroupProvider() {
         final UserGroupProvider userGroupProvider = initCompositeUserGroupProvider(new CompositeUserGroupProvider(), null, null,
                 getUserGroupProviderOne(), getUserGroupProviderTwo(), getCollaboratingUserGroupProvider());
 
         // users and groups
-        Assert.assertEquals(4, userGroupProvider.getUsers().size());
-        Assert.assertEquals(2, userGroupProvider.getGroups().size());
+        assertEquals(4, userGroupProvider.getUsers().size());
+        assertEquals(2, userGroupProvider.getGroups().size());
 
         // unknown
         assertNull(userGroupProvider.getUser(NOT_A_REAL_USER_IDENTIFIER));
@@ -175,6 +176,6 @@ public class CompositeUserGroupProviderTest extends CompositeUserGroupProviderTe
         final UserAndGroups user1AndGroups = userGroupProvider.getUserAndGroups(USER_1_IDENTITY);
         assertNotNull(user1AndGroups);
         assertNotNull(user1AndGroups.getUser());
-        Assert.assertEquals(2, user1AndGroups.getGroups().size()); // from UGP1 and CollaboratingUGP
+        assertEquals(2, user1AndGroups.getGroups().size()); // from UGP1 and CollaboratingUGP
     }
 }
\ No newline at end of file
diff --git a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-authorization-providers/src/test/java/org/apache/nifi/authorization/CompositeUserGroupProviderTestBase.java b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-authorization-providers/src/test/java/org/apache/nifi/authorization/CompositeUserGroupProviderTestBase.java
index 6c60bb4e27..ce6c9ac50f 100644
--- a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-authorization-providers/src/test/java/org/apache/nifi/authorization/CompositeUserGroupProviderTestBase.java
+++ b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-authorization-providers/src/test/java/org/apache/nifi/authorization/CompositeUserGroupProviderTestBase.java
@@ -29,8 +29,8 @@ import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
 import static org.apache.nifi.authorization.CompositeUserGroupProvider.PROP_USER_GROUP_PROVIDER_PREFIX;
-import static org.junit.Assert.assertNotNull;
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 import static org.mockito.ArgumentMatchers.eq;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.when;
diff --git a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-authorization-providers/src/test/java/org/apache/nifi/authorization/StandardManagedAuthorizerTest.java b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-authorization-providers/src/test/java/org/apache/nifi/authorization/StandardManagedAuthorizerTest.java
index ff5299d13d..ac419ddd6a 100644
--- a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-authorization-providers/src/test/java/org/apache/nifi/authorization/StandardManagedAuthorizerTest.java
+++ b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-authorization-providers/src/test/java/org/apache/nifi/authorization/StandardManagedAuthorizerTest.java
@@ -20,15 +20,16 @@ import org.apache.nifi.attribute.expression.language.StandardPropertyValue;
 import org.apache.nifi.authorization.exception.AuthorizationAccessException;
 import org.apache.nifi.authorization.exception.AuthorizerCreationException;
 import org.apache.nifi.parameter.ParameterLookup;
-import org.junit.Test;
+import org.junit.jupiter.api.Test;
 
 import java.util.Collections;
 import java.util.Set;
 import java.util.stream.Collectors;
 import java.util.stream.Stream;
 
-import static org.junit.Assert.assertEquals;
-import static org.junit.Assert.assertTrue;
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+import static org.junit.jupiter.api.Assertions.assertTrue;
 import static org.mockito.ArgumentMatchers.anyString;
 import static org.mockito.Mockito.mock;
 import static org.mockito.Mockito.times;
@@ -96,13 +97,15 @@ public class StandardManagedAuthorizerTest {
         }
     };
 
-    @Test(expected = AuthorizerCreationException.class)
-    public void testNullAccessPolicyProvider() throws Exception {
-        getStandardManagedAuthorizer(null);
+    @Test
+    public void testNullAccessPolicyProvider() {
+        assertThrows(AuthorizerCreationException.class, () -> {
+            getStandardManagedAuthorizer(null);
+        });
     }
 
     @Test
-    public void testEmptyFingerPrint() throws Exception {
+    public void testEmptyFingerPrint() {
         final UserGroupProvider userGroupProvider = mock(UserGroupProvider.class);
 
         final AccessPolicyProvider accessPolicyProvider = mock(AccessPolicyProvider.class);
@@ -113,7 +116,7 @@ public class StandardManagedAuthorizerTest {
     }
 
     @Test
-    public void testNonEmptyFingerPrint() throws Exception {
+    public void testNonEmptyFingerPrint() {
         final ConfigurableUserGroupProvider userGroupProvider = mock(ConfigurableUserGroupProvider.class);
         when(userGroupProvider.getFingerprint()).thenReturn(TENANT_FINGERPRINT);
 
@@ -126,7 +129,7 @@ public class StandardManagedAuthorizerTest {
     }
 
     @Test
-    public void testInheritEmptyFingerprint() throws Exception {
+    public void testInheritEmptyFingerprint() {
         final ConfigurableUserGroupProvider userGroupProvider = mock(ConfigurableUserGroupProvider.class);
 
         final ConfigurableAccessPolicyProvider accessPolicyProvider = mock(ConfigurableAccessPolicyProvider.class);
@@ -139,19 +142,21 @@ public class StandardManagedAuthorizerTest {
         verify(accessPolicyProvider, times(0)).inheritFingerprint(anyString());
     }
 
-    @Test(expected = AuthorizationAccessException.class)
-    public void testInheritInvalidFingerprint() throws Exception {
+    @Test
+    public void testInheritInvalidFingerprint() {
         final ConfigurableUserGroupProvider userGroupProvider = mock(ConfigurableUserGroupProvider.class);
 
         final ConfigurableAccessPolicyProvider accessPolicyProvider = mock(ConfigurableAccessPolicyProvider.class);
         when(accessPolicyProvider.getUserGroupProvider()).thenReturn(userGroupProvider);
 
         final StandardManagedAuthorizer managedAuthorizer = getStandardManagedAuthorizer(accessPolicyProvider);
-        managedAuthorizer.inheritFingerprint("not a valid fingerprint");
+        assertThrows(AuthorizationAccessException.class, () -> {
+            managedAuthorizer.inheritFingerprint("not a valid fingerprint");
+        });
     }
 
     @Test
-    public void testInheritNonEmptyFingerprint() throws Exception {
+    public void testInheritNonEmptyFingerprint() {
         final ConfigurableUserGroupProvider userGroupProvider = mock(ConfigurableUserGroupProvider.class);
 
         final ConfigurableAccessPolicyProvider accessPolicyProvider = mock(ConfigurableAccessPolicyProvider.class);
@@ -165,7 +170,7 @@ public class StandardManagedAuthorizerTest {
     }
 
     @Test
-    public void testCheckInheritEmptyFingerprint() throws Exception {
+    public void testCheckInheritEmptyFingerprint() {
         final ConfigurableUserGroupProvider userGroupProvider = mock(ConfigurableUserGroupProvider.class);
 
         final ConfigurableAccessPolicyProvider accessPolicyProvider = mock(ConfigurableAccessPolicyProvider.class);
@@ -178,19 +183,21 @@ public class StandardManagedAuthorizerTest {
         verify(accessPolicyProvider, times(0)).inheritFingerprint(anyString());
     }
 
-    @Test(expected = AuthorizationAccessException.class)
-    public void testCheckInheritInvalidFingerprint() throws Exception {
+    @Test
+    public void testCheckInheritInvalidFingerprint() {
         final ConfigurableUserGroupProvider userGroupProvider = mock(ConfigurableUserGroupProvider.class);
 
         final ConfigurableAccessPolicyProvider accessPolicyProvider = mock(ConfigurableAccessPolicyProvider.class);
         when(accessPolicyProvider.getUserGroupProvider()).thenReturn(userGroupProvider);
 
         final StandardManagedAuthorizer managedAuthorizer = getStandardManagedAuthorizer(accessPolicyProvider);
-        managedAuthorizer.checkInheritability("not a valid fingerprint");
+        assertThrows(AuthorizationAccessException.class, () -> {
+            managedAuthorizer.checkInheritability("not a valid fingerprint");
+        });
     }
 
     @Test
-    public void testCheckInheritNonEmptyFingerprint() throws Exception {
+    public void testCheckInheritNonEmptyFingerprint() {
         final ConfigurableUserGroupProvider userGroupProvider = mock(ConfigurableUserGroupProvider.class);
 
         final ConfigurableAccessPolicyProvider accessPolicyProvider = mock(ConfigurableAccessPolicyProvider.class);
@@ -204,7 +211,7 @@ public class StandardManagedAuthorizerTest {
     }
 
     @Test
-    public void testAuthorizationByUser() throws Exception {
+    public void testAuthorizationByUser() {
         final String userIdentifier = "userIdentifier1";
         final String userIdentity = "userIdentity1";
 
@@ -250,7 +257,7 @@ public class StandardManagedAuthorizerTest {
     }
 
     @Test
-    public void testAuthorizationByGroup() throws Exception {
+    public void testAuthorizationByGroup() {
         final String userIdentifier = "userIdentifier1";
         final String userIdentity = "userIdentity1";
         final String groupIdentifier = "groupIdentifier1";
@@ -303,7 +310,7 @@ public class StandardManagedAuthorizerTest {
     }
 
     @Test
-    public void testAuthorizationByRequestGroups() throws Exception {
+    public void testAuthorizationByRequestGroups() {
         final String userIdentifier = "userIdentifier1";
         final String userIdentity = "userIdentity1";
         final String groupIdentifier = "groupIdentifier1";
@@ -360,7 +367,7 @@ public class StandardManagedAuthorizerTest {
     }
 
     @Test
-    public void testResourceNotFound() throws Exception {
+    public void testResourceNotFound() {
         final String userIdentity = "userIdentity1";
 
         final ConfigurableUserGroupProvider userGroupProvider = mock(ConfigurableUserGroupProvider.class);
@@ -382,7 +389,7 @@ public class StandardManagedAuthorizerTest {
     }
 
     @Test
-    public void testUnauthorizedDueToUnknownUser() throws Exception {
+    public void testUnauthorizedDueToUnknownUser() {
         final String userIdentifier = "userIdentifier1";
         final String userIdentity = "userIdentity1";
         final String notUser1Identity = "not userIdentity1";
@@ -429,7 +436,7 @@ public class StandardManagedAuthorizerTest {
     }
 
     @Test
-    public void testUnauthorizedDueToLackOfPermission() throws Exception {
+    public void testUnauthorizedDueToLackOfPermission() {
         final String userIdentifier = "userIdentifier1";
         final String userIdentity = "userIdentity1";
 
diff --git a/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-authorization-providers/src/test/java/org/apache/nifi/authorization/user/NiFiUserUtilsTest.java b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-authorization-providers/src/test/java/org/apache/nifi/authorization/user/NiFiUserUtilsTest.java
new file mode 100644
index 0000000000..b53ff8d577
--- /dev/null
+++ b/nifi-nar-bundles/nifi-framework-bundle/nifi-framework/nifi-framework-authorization-providers/src/test/java/org/apache/nifi/authorization/user/NiFiUserUtilsTest.java
@@ -0,0 +1,84 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.nifi.authorization.user;
+
+import org.junit.jupiter.api.Test;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.util.Arrays;
+import java.util.Collections;
+import java.util.List;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+import static org.mockito.Mockito.mock;
+import static org.mockito.Mockito.when;
+
+public class NiFiUserUtilsTest {
+    private static final Logger logger = LoggerFactory.getLogger(NiFiUserUtilsTest.class);
+
+    private static final String SAFE_USER_NAME_JOHN = "jdoe";
+    private static final String SAFE_USER_NAME_PROXY_1 = "proxy1.nifi.apache.org";
+
+    @Test
+    public void testShouldBuildProxyChain() {
+        final NiFiUser mockProxy1 = createMockNiFiUser(SAFE_USER_NAME_PROXY_1, null, false);
+        final NiFiUser mockJohn = createMockNiFiUser(SAFE_USER_NAME_JOHN, mockProxy1, false);
+
+        final List<String> proxiedEntitiesChain = NiFiUserUtils.buildProxiedEntitiesChain(mockJohn);
+        logger.info(String.format("Proxied entities chain: %s", proxiedEntitiesChain));
+
+        assertEquals(proxiedEntitiesChain, Arrays.asList(SAFE_USER_NAME_JOHN, SAFE_USER_NAME_PROXY_1));
+    }
+
+    @Test
+    public void testShouldBuildProxyChainFromSingleUser() {
+        final NiFiUser mockJohn = createMockNiFiUser(SAFE_USER_NAME_JOHN, null, false);
+
+        final List<String> proxiedEntitiesChain = NiFiUserUtils.buildProxiedEntitiesChain(mockJohn);
+
+        assertEquals(proxiedEntitiesChain, Arrays.asList(SAFE_USER_NAME_JOHN));
+    }
+
+    @Test
+    public void testShouldBuildProxyChainFromAnonymousUser() throws Exception {
+        final NiFiUser mockProxy1 = createMockNiFiUser(SAFE_USER_NAME_PROXY_1, null, false);
+        final NiFiUser mockAnonymous = createMockNiFiUser("anonymous", mockProxy1, true);
+
+        final List<String> proxiedEntitiesChain = NiFiUserUtils.buildProxiedEntitiesChain(mockAnonymous);
+        logger.info(String.format("Proxied entities chain: %s", proxiedEntitiesChain));
+
+        assertEquals(proxiedEntitiesChain, Arrays.asList("", SAFE_USER_NAME_PROXY_1));
+    }
+
+    @Test
+    public void testBuildProxyChainFromNullUserShouldBeEmpty() {
+        final List<String> proxiedEntitiesChain = NiFiUserUtils.buildProxiedEntitiesChain(null);
+        logger.info(String.format("Proxied entities chain: %s", proxiedEntitiesChain));
+
+        assertEquals(proxiedEntitiesChain, Collections.EMPTY_LIST);
+    }
+
+    private NiFiUser createMockNiFiUser(final String identity, final NiFiUser chain, final boolean isAnonymous) {
+        final NiFiUser mockUser = mock(NiFiUser.class);
+        when(mockUser.getIdentity()).thenReturn(identity);
+        when(mockUser.getChain()).thenReturn(chain);
+        when(mockUser.isAnonymous()).thenReturn(isAnonymous);
+        return mockUser;
+    }
+}