adoroszlai commented on code in PR #913:
URL: https://github.com/apache/ranger/pull/913#discussion_r3064375683


##########
plugin-ozone/src/test/java/org/apache/ranger/authorization/ozone/authorizer/TestRangerOzoneAuthorizer.java:
##########
@@ -108,10 +108,46 @@ public void testAssumeRoleWithEmptyGrants() throws 
Exception {
         assertEquals(RangerInlinePolicy.Mode.INLINE, inlinePolicy.getMode());
         assertNotNull(inlinePolicy.getGrants());
 
-        RequestContext ctxListWithoutSessionPolicy = new 
RequestContext(hostname, ipAddress, user1, OZONE_SERVICE_ID, 
IAccessAuthorizer.ACLIdentityType.ANONYMOUS, IAccessAuthorizer.ACLType.LIST, 
OWNER_NAME);
-        RequestContext ctxReadWithoutSessionPolicy = new 
RequestContext(hostname, ipAddress, user1, OZONE_SERVICE_ID, 
IAccessAuthorizer.ACLIdentityType.ANONYMOUS, IAccessAuthorizer.ACLType.READ, 
OWNER_NAME);
-        RequestContext ctxListWithSessionPolicy    = new 
RequestContext(hostname, ipAddress, user1, OZONE_SERVICE_ID, 
IAccessAuthorizer.ACLIdentityType.ANONYMOUS, IAccessAuthorizer.ACLType.LIST, 
OWNER_NAME, false, sessionPolicy);
-        RequestContext ctxReadWithSessionPolicy    = new 
RequestContext(hostname, ipAddress, user1, OZONE_SERVICE_ID, 
IAccessAuthorizer.ACLIdentityType.ANONYMOUS, IAccessAuthorizer.ACLType.READ, 
OWNER_NAME, false, sessionPolicy);
+        RequestContext ctxListWithoutSessionPolicy = 
RequestContext.newBuilder()
+                                                      .setHost(hostname)
+                                                      .setIp(ipAddress)
+                                                      .setClientUgi(user1)
+                                                      
.setServiceId(OZONE_SERVICE_ID)
+                                                      
.setAclType(IAccessAuthorizer.ACLIdentityType.ANONYMOUS)
+                                                      
.setAclRights(IAccessAuthorizer.ACLType.LIST)
+                                                      .setOwnerName(OWNER_NAME)
+                                                      .build();
+        RequestContext ctxReadWithoutSessionPolicy = 
RequestContext.newBuilder()
+                                                      .setHost(hostname)
+                                                      .setIp(ipAddress)
+                                                      .setClientUgi(user1)
+                                                      
.setServiceId(OZONE_SERVICE_ID)
+                                                      
.setAclType(IAccessAuthorizer.ACLIdentityType.ANONYMOUS)
+                                                      
.setAclRights(IAccessAuthorizer.ACLType.READ)
+                                                      .setOwnerName(OWNER_NAME)
+                                                      .build();
+        RequestContext ctxListWithSessionPolicy    = 
RequestContext.newBuilder()
+                                                      .setHost(hostname)
+                                                      .setIp(ipAddress)
+                                                      .setClientUgi(user1)
+                                                      
.setServiceId(OZONE_SERVICE_ID)
+                                                      
.setAclType(IAccessAuthorizer.ACLIdentityType.ANONYMOUS)
+                                                      
.setAclRights(IAccessAuthorizer.ACLType.LIST)
+                                                      .setOwnerName(OWNER_NAME)
+                                                      
.setRecursiveAccessCheck(false)
+                                                      
.setSessionPolicy(sessionPolicy)
+                                                      .build();
+        RequestContext ctxReadWithSessionPolicy    = 
RequestContext.newBuilder()
+                                                      .setHost(hostname)
+                                                      .setIp(ipAddress)
+                                                      .setClientUgi(user1)
+                                                      
.setServiceId(OZONE_SERVICE_ID)
+                                                      
.setAclType(IAccessAuthorizer.ACLIdentityType.ANONYMOUS)
+                                                      
.setAclRights(IAccessAuthorizer.ACLType.READ)
+                                                      .setOwnerName(OWNER_NAME)
+                                                      
.setRecursiveAccessCheck(false)
+                                                      
.setSessionPolicy(sessionPolicy)
+                                                      .build();

Review Comment:
   - Indentation looks very odd.
   - To reduce code duplication, we can create a base builder with the common 
properties, and build different `RequestContext` instances with tweaks.
   
   Something like:
   
   ```java
   RequestContext.Builder builder = RequestContext.newBuilder()
       .setHost(hostname)
       .setIp(ipAddress)
       .setClientUgi(user1)
       .setServiceId(OZONE_SERVICE_ID)
       .setAclType(IAccessAuthorizer.ACLIdentityType.ANONYMOUS);
   
   RequestContext ctxListWithoutSessionPolicy = builder
       .setAclRights(IAccessAuthorizer.ACLType.LIST)
       .build();
   
   RequestContext ctxReadWithoutSessionPolicy = builder
       .setAclRights(IAccessAuthorizer.ACLType.READ)
       .build();
   
   RequestContext ctxListWithSessionPolicy = builder
       .setAclRights(IAccessAuthorizer.ACLType.LIST)
       .setRecursiveAccessCheck(false)
       .setSessionPolicy(sessionPolicy)
       .build();
   
   RequestContext ctxReadWithoutSessionPolicy = builder
       .setAclRights(IAccessAuthorizer.ACLType.READ)
       .setRecursiveAccessCheck(false)
       .setSessionPolicy(sessionPolicy)
       .build();
   ```



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