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Posted to commits@sentry.apache.org by co...@apache.org on 2018/04/30 16:35:38 UTC

[2/9] sentry git commit: SENTRY-2207 Refactor out Sentry CLI from sentry-provider-db into own module. Steve Moist, reviewed by Colm O hEigeartaigh.

http://git-wip-us.apache.org/repos/asf/sentry/blob/6752f14a/sentry-tools/src/test/java/org/apache/sentry/cli/tools/TestSentryShellIndexer.java
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diff --git a/sentry-tools/src/test/java/org/apache/sentry/cli/tools/TestSentryShellIndexer.java b/sentry-tools/src/test/java/org/apache/sentry/cli/tools/TestSentryShellIndexer.java
new file mode 100644
index 0000000..f31d7b7
--- /dev/null
+++ b/sentry-tools/src/test/java/org/apache/sentry/cli/tools/TestSentryShellIndexer.java
@@ -0,0 +1,525 @@
+/**
+ * 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.sentry.cli.tools;
+
+import com.google.common.collect.Sets;
+import com.google.common.io.Files;
+import org.apache.commons.io.FileUtils;
+import org.apache.sentry.core.common.exception.SentryUserException;
+import org.apache.sentry.provider.db.generic.service.thrift.SentryGenericServiceIntegrationBase;
+import org.apache.sentry.provider.db.generic.service.thrift.TSentryPrivilege;
+import org.apache.sentry.provider.db.generic.service.thrift.TSentryRole;
+import org.apache.sentry.service.thrift.ServiceConstants;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.PrintStream;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.Set;
+
+import static junit.framework.Assert.assertEquals;
+import static org.apache.sentry.provider.common.AuthorizationComponent.HBASE_INDEXER;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+
+public class TestSentryShellIndexer extends SentryGenericServiceIntegrationBase {
+  private File confDir;
+  private File confPath;
+  private static String TEST_ROLE_NAME_1 = "testRole1";
+  private static String TEST_ROLE_NAME_2 = "testRole2";
+  private String requestorName = "";
+  private String service = "service1";
+
+  @Before
+  public void prepareForTest() throws Exception {
+    confDir = Files.createTempDir();
+    confPath = new File(confDir, "sentry-site.xml");
+    conf.set(ServiceConstants.ClientConfig.SERVICE_NAME, service);
+    if (confPath.createNewFile()) {
+      FileOutputStream to = new FileOutputStream(confPath);
+      conf.writeXml(to);
+      to.close();
+    }
+    requestorName = clientUgi.getShortUserName();
+    Set<String> requestorUserGroupNames = Sets.newHashSet(ADMIN_GROUP);
+    setLocalGroupMapping(requestorName, requestorUserGroupNames);
+    // add ADMIN_USER for the after() in SentryServiceIntegrationBase
+    setLocalGroupMapping(ADMIN_USER, requestorUserGroupNames);
+    writePolicyFile();
+  }
+
+  @After
+  public void clearTestData() throws Exception {
+    FileUtils.deleteQuietly(confDir);
+  }
+
+  @Test
+  public void testCreateDropRole() throws Exception {
+    runTestAsSubject(new TestOperation() {
+      @Override
+      public void runTestAsSubject() throws Exception {
+        // test: create role with -cr
+        String[] args = { "-cr", "-r", TEST_ROLE_NAME_1, "-conf", confPath.getAbsolutePath() };
+        SentryShellIndexer.main(args);
+        // test: create role with --create_role
+        args = new String[] { "--create_role", "-r", TEST_ROLE_NAME_2, "-conf",
+            confPath.getAbsolutePath() };
+        SentryShellIndexer.main(args);
+
+        // validate the result, list roles with -lr
+        args = new String[] { "-lr", "-conf", confPath.getAbsolutePath() };
+        SentryShellIndexer sentryShell = new SentryShellIndexer();
+        Set<String> roleNames = getShellResultWithOSRedirect(sentryShell, args, true);
+        validateRoleNames(roleNames, TEST_ROLE_NAME_1, TEST_ROLE_NAME_2);
+
+        // validate the result, list roles with --list_role
+        args = new String[] { "--list_role", "-conf", confPath.getAbsolutePath() };
+        sentryShell = new SentryShellIndexer();
+        roleNames = getShellResultWithOSRedirect(sentryShell, args, true);
+        validateRoleNames(roleNames, TEST_ROLE_NAME_1, TEST_ROLE_NAME_2);
+
+        // test: drop role with -dr
+        args = new String[] { "-dr", "-r", TEST_ROLE_NAME_1, "-conf", confPath.getAbsolutePath() };
+        SentryShellIndexer.main(args);
+        // test: drop role with --drop_role
+        args = new String[] { "--drop_role", "-r", TEST_ROLE_NAME_2, "-conf",
+            confPath.getAbsolutePath() };
+        SentryShellIndexer.main(args);
+
+        // validate the result
+        Set<TSentryRole> roles = client.listAllRoles(requestorName, HBASE_INDEXER);
+        assertEquals("Incorrect number of roles", 0, roles.size());
+      }
+    });
+  }
+
+  @Test
+  public void testAddDeleteRoleForGroup() throws Exception {
+    runTestAsSubject(new TestOperation() {
+      @Override
+      public void runTestAsSubject() throws Exception {
+        // Group names are case sensitive - mixed case names should work
+        String TEST_GROUP_1 = "testGroup1";
+        String TEST_GROUP_2 = "testGroup2";
+        String TEST_GROUP_3 = "testGroup3";
+
+        // create the role for test
+        client.createRole(requestorName, TEST_ROLE_NAME_1, HBASE_INDEXER);
+        client.createRole(requestorName, TEST_ROLE_NAME_2, HBASE_INDEXER);
+        // test: add role to group with -arg
+        String[] args = { "-arg", "-r", TEST_ROLE_NAME_1, "-g", TEST_GROUP_1, "-conf",
+            confPath.getAbsolutePath() };
+        SentryShellIndexer.main(args);
+        // test: add role to multiple groups
+        args = new String[] { "-arg", "-r", TEST_ROLE_NAME_1, "-g", TEST_GROUP_2 + "," + TEST_GROUP_3,
+            "-conf",
+            confPath.getAbsolutePath() };
+        SentryShellIndexer.main(args);
+        // test: add role to group with --add_role_group
+        args = new String[] { "--add_role_group", "-r", TEST_ROLE_NAME_2, "-g", TEST_GROUP_1,
+            "-conf",
+            confPath.getAbsolutePath() };
+        SentryShellIndexer.main(args);
+
+        // validate the result list roles with -lr and -g
+        args = new String[] { "-lr", "-g", TEST_GROUP_1, "-conf", confPath.getAbsolutePath() };
+        SentryShellIndexer sentryShell = new SentryShellIndexer();
+        Set<String> roleNames = getShellResultWithOSRedirect(sentryShell, args, true);
+        validateRoleNames(roleNames, TEST_ROLE_NAME_1, TEST_ROLE_NAME_2);
+
+        // list roles with --list_role and -g
+        args = new String[] { "--list_role", "-g", TEST_GROUP_2, "-conf",
+            confPath.getAbsolutePath() };
+        sentryShell = new SentryShellIndexer();
+        roleNames = getShellResultWithOSRedirect(sentryShell, args, true);
+        validateRoleNames(roleNames, TEST_ROLE_NAME_1);
+
+        args = new String[] { "--list_role", "-g", TEST_GROUP_3, "-conf",
+            confPath.getAbsolutePath() };
+        sentryShell = new SentryShellIndexer();
+        roleNames = getShellResultWithOSRedirect(sentryShell, args, true);
+        validateRoleNames(roleNames, TEST_ROLE_NAME_1);
+
+        // test: delete role from group with -drg
+        args = new String[] { "-drg", "-r", TEST_ROLE_NAME_1, "-g", TEST_GROUP_1, "-conf",
+            confPath.getAbsolutePath() };
+        SentryShellIndexer.main(args);
+        // test: delete role to multiple groups
+        args = new String[] { "-drg", "-r", TEST_ROLE_NAME_1, "-g", TEST_GROUP_2 + "," + TEST_GROUP_3,
+            "-conf",
+            confPath.getAbsolutePath() };
+        SentryShellIndexer.main(args);
+        // test: delete role from group with --delete_role_group
+        args = new String[] { "--delete_role_group", "-r", TEST_ROLE_NAME_2, "-g", TEST_GROUP_1,
+            "-conf", confPath.getAbsolutePath() };
+        SentryShellIndexer.main(args);
+
+        // validate the result
+        Set<TSentryRole> roles = client.listRolesByGroupName(requestorName, TEST_GROUP_1, HBASE_INDEXER);
+        assertEquals("Incorrect number of roles", 0, roles.size());
+        roles = client.listRolesByGroupName(requestorName, TEST_GROUP_2, HBASE_INDEXER);
+        assertEquals("Incorrect number of roles", 0, roles.size());
+        roles = client.listRolesByGroupName(requestorName, TEST_GROUP_3, HBASE_INDEXER);
+        assertEquals("Incorrect number of roles", 0, roles.size());
+        // clear the test data
+        client.dropRole(requestorName, TEST_ROLE_NAME_1, HBASE_INDEXER);
+        client.dropRole(requestorName, TEST_ROLE_NAME_2, HBASE_INDEXER);
+      }
+    });
+  }
+
+  @Test
+  public void testCaseSensitiveGroupName() throws Exception {
+    runTestAsSubject(new TestOperation() {
+      @Override
+      public void runTestAsSubject() throws Exception {
+
+        // create the role for test
+        client.createRole(requestorName, TEST_ROLE_NAME_1, HBASE_INDEXER);
+        // add role to a group (lower case)
+        String[] args = { "-arg", "-r", TEST_ROLE_NAME_1, "-g", "group1", "-conf",
+            confPath.getAbsolutePath() };
+        SentryShellIndexer.main(args);
+
+        // validate the roles when group name is same case as above
+        args = new String[] { "-lr", "-g", "group1", "-conf", confPath.getAbsolutePath() };
+        SentryShellIndexer sentryShell = new SentryShellIndexer();
+        Set<String> roleNames = getShellResultWithOSRedirect(sentryShell, args, true);
+        validateRoleNames(roleNames, TEST_ROLE_NAME_1);
+
+        // roles should be empty when group name is different case than above
+        args = new String[] { "-lr", "-g", "GROUP1", "-conf", confPath.getAbsolutePath() };
+        roleNames = getShellResultWithOSRedirect(sentryShell, args, true);
+        validateRoleNames(roleNames);
+      }
+      });
+    }
+
+  public static String grant(boolean shortOption) {
+    return shortOption ? "-gpr" : "--grant_privilege_role";
+  }
+
+  public static String revoke(boolean shortOption) {
+    return shortOption ? "-rpr" : "--revoke_privilege_role";
+  }
+
+  public static String list(boolean shortOption) {
+    return shortOption ? "-lp" : "--list_privilege";
+  }
+
+  private void assertGrantRevokePrivilege(final boolean shortOption) throws Exception {
+    runTestAsSubject(new TestOperation() {
+      @Override
+      public void runTestAsSubject() throws Exception {
+        // create the role for test
+        client.createRole(requestorName, TEST_ROLE_NAME_1, HBASE_INDEXER);
+        client.createRole(requestorName, TEST_ROLE_NAME_2, HBASE_INDEXER);
+
+        String [] privs = {
+          "Indexer=*->action=*",
+          "Indexer=indexer1->action=read",
+          "Indexer=indexer2->action=write"
+        };
+        for (int i = 0; i < privs.length; ++i) {
+          // test: grant privilege to role
+          String [] args = new String [] { grant(shortOption), "-r", TEST_ROLE_NAME_1, "-p",
+            privs[ i ],
+            "-conf", confPath.getAbsolutePath() };
+          SentryShellIndexer.main(args);
+        }
+
+        // test the list privilege
+        String [] args = new String[] { list(shortOption), "-r", TEST_ROLE_NAME_1, "-conf", confPath.getAbsolutePath() };
+        SentryShellIndexer sentryShell = new SentryShellIndexer();
+        Set<String> privilegeStrs = getShellResultWithOSRedirect(sentryShell, args, true);
+        assertEquals("Incorrect number of privileges", privs.length, privilegeStrs.size());
+        for (int i = 0; i < privs.length; ++i) {
+          assertTrue("Expected privilege: " + privs[ i ], privilegeStrs.contains(privs[ i ]));
+        }
+
+        for (int i = 0; i < privs.length; ++i) {
+          args = new String[] { revoke(shortOption), "-r", TEST_ROLE_NAME_1, "-p",
+            privs[ i ], "-conf",
+            confPath.getAbsolutePath() };
+          SentryShellIndexer.main(args);
+          Set<TSentryPrivilege> privileges = client.listAllPrivilegesByRoleName(requestorName,
+            TEST_ROLE_NAME_1, HBASE_INDEXER, service);
+          assertEquals("Incorrect number of privileges", privs.length - (i + 1), privileges.size());
+        }
+
+        // clear the test data
+        client.dropRole(requestorName, TEST_ROLE_NAME_1, HBASE_INDEXER);
+        client.dropRole(requestorName, TEST_ROLE_NAME_2, HBASE_INDEXER);
+      }
+    });
+  }
+
+
+  @Test
+  public void testGrantRevokePrivilegeWithShortOption() throws Exception {
+    assertGrantRevokePrivilege(true);
+  }
+
+  @Test
+  public void testGrantRevokePrivilegeWithLongOption() throws Exception {
+    assertGrantRevokePrivilege(false);
+  }
+
+  @Test
+  public void testNegativeCaseWithInvalidArgument() throws Exception {
+    runTestAsSubject(new TestOperation() {
+      @Override
+      public void runTestAsSubject() throws Exception {
+        client.createRole(requestorName, TEST_ROLE_NAME_1, HBASE_INDEXER);
+        // test: create duplicate role with -cr
+        String[] args = { "-cr", "-r", TEST_ROLE_NAME_1, "-conf", confPath.getAbsolutePath() };
+        SentryShellIndexer sentryShell = new SentryShellIndexer();
+        try {
+          sentryShell.executeShell(args);
+          fail("Exception should be thrown for creating duplicate role");
+        } catch (SentryUserException e) {
+          // expected exception
+        }
+
+        // test: drop non-exist role with -dr
+        args = new String[] { "-dr", "-r", TEST_ROLE_NAME_2, "-conf", confPath.getAbsolutePath() };
+        sentryShell = new SentryShellIndexer();
+        try {
+          sentryShell.executeShell(args);
+          fail("Exception should be thrown for dropping non-exist role");
+        } catch (SentryUserException e) {
+          // excepted exception
+        }
+
+        // test: add non-exist role to group with -arg
+        args = new String[] { "-arg", "-r", TEST_ROLE_NAME_2, "-g", "testGroup1", "-conf",
+            confPath.getAbsolutePath() };
+        sentryShell = new SentryShellIndexer();
+        try {
+          sentryShell.executeShell(args);
+          fail("Exception should be thrown for granting non-exist role to group");
+        } catch (SentryUserException e) {
+          // excepted exception
+        }
+
+        // test: drop group from non-exist role with -drg
+        args = new String[] { "-drg", "-r", TEST_ROLE_NAME_2, "-g", "testGroup1", "-conf",
+            confPath.getAbsolutePath() };
+        sentryShell = new SentryShellIndexer();
+        try {
+          sentryShell.executeShell(args);
+          fail("Exception should be thrown for drop group from non-exist role");
+        } catch (SentryUserException e) {
+          // excepted exception
+        }
+
+        // test: grant privilege to role with the error privilege format
+        args = new String[] { "-gpr", "-r", TEST_ROLE_NAME_1, "-p", "serverserver1->action=*",
+            "-conf", confPath.getAbsolutePath() };
+        sentryShell = new SentryShellIndexer();
+        try {
+          sentryShell.executeShell(args);
+          fail("Exception should be thrown for the error privilege format, invalid key value.");
+        } catch (IllegalArgumentException e) {
+          // excepted exception
+        }
+
+        // test: grant privilege to role with the error privilege hierarchy
+        args = new String[] { "-gpr", "-r", TEST_ROLE_NAME_1, "-p",
+            "server=server1->table=tbl1->column=col2->action=insert", "-conf",
+            confPath.getAbsolutePath() };
+        sentryShell = new SentryShellIndexer();
+        try {
+          sentryShell.executeShell(args);
+          fail("Exception should be thrown for the error privilege format, invalid key value.");
+        } catch (IllegalArgumentException e) {
+          // expected exception
+        }
+
+        // clear the test data
+        client.dropRole(requestorName, TEST_ROLE_NAME_1, HBASE_INDEXER);
+      }
+    });
+  }
+
+  @Test
+  public void testNegativeCaseWithoutRequiredArgument() throws Exception {
+    runTestAsSubject(new TestOperation() {
+      @Override
+      public void runTestAsSubject() throws Exception {
+        String strOptionConf = "conf";
+        client.createRole(requestorName, TEST_ROLE_NAME_1, HBASE_INDEXER);
+        // test: the conf is required argument
+        String[] args = { "-cr", "-r", TEST_ROLE_NAME_1 };
+        SentryShellIndexer sentryShell = new SentryShellIndexer();
+        validateMissingParameterMsg(sentryShell, args,
+                SentryShellCommon.PREFIX_MESSAGE_MISSING_OPTION + strOptionConf);
+
+        // test: -r is required when create role
+        args = new String[] { "-cr", "-conf", confPath.getAbsolutePath() };
+        sentryShell = new SentryShellIndexer();
+        validateMissingParameterMsg(sentryShell, args,
+                SentryShellCommon.PREFIX_MESSAGE_MISSING_OPTION + SentryShellCommon.OPTION_DESC_ROLE_NAME);
+
+        // test: -r is required when drop role
+        args = new String[] { "-dr", "-conf", confPath.getAbsolutePath() };
+        sentryShell = new SentryShellIndexer();
+        validateMissingParameterMsg(sentryShell, args,
+                SentryShellCommon.PREFIX_MESSAGE_MISSING_OPTION + SentryShellCommon.OPTION_DESC_ROLE_NAME);
+
+        // test: -r is required when add role to group
+        args = new String[] { "-arg", "-g", "testGroup1", "-conf", confPath.getAbsolutePath() };
+        sentryShell = new SentryShellIndexer();
+        validateMissingParameterMsg(sentryShell, args,
+                SentryShellCommon.PREFIX_MESSAGE_MISSING_OPTION + SentryShellCommon.OPTION_DESC_ROLE_NAME);
+
+        // test: -g is required when add role to group
+        args = new String[] { "-arg", "-r", TEST_ROLE_NAME_2, "-conf", confPath.getAbsolutePath() };
+        sentryShell = new SentryShellIndexer();
+        validateMissingParameterMsg(sentryShell, args,
+                SentryShellCommon.PREFIX_MESSAGE_MISSING_OPTION + SentryShellCommon.OPTION_DESC_GROUP_NAME);
+
+        // test: -r is required when delete role from group
+        args = new String[] { "-drg", "-g", "testGroup1", "-conf", confPath.getAbsolutePath() };
+        sentryShell = new SentryShellIndexer();
+        validateMissingParameterMsg(sentryShell, args,
+                SentryShellCommon.PREFIX_MESSAGE_MISSING_OPTION + SentryShellCommon.OPTION_DESC_ROLE_NAME);
+
+        // test: -g is required when delete role from group
+        args = new String[] { "-drg", "-r", TEST_ROLE_NAME_2, "-conf", confPath.getAbsolutePath() };
+        sentryShell = new SentryShellIndexer();
+        validateMissingParameterMsg(sentryShell, args,
+                SentryShellCommon.PREFIX_MESSAGE_MISSING_OPTION + SentryShellCommon.OPTION_DESC_GROUP_NAME);
+
+        // test: -r is required when grant privilege to role
+        args = new String[] { "-gpr", "-p", "indexer=Indexer1", "-conf", confPath.getAbsolutePath() };
+        sentryShell = new SentryShellIndexer();
+        validateMissingParameterMsg(sentryShell, args,
+                SentryShellCommon.PREFIX_MESSAGE_MISSING_OPTION + SentryShellCommon.OPTION_DESC_ROLE_NAME);
+
+        // test: -p is required when grant privilege to role
+        args = new String[] { "-gpr", "-r", TEST_ROLE_NAME_1, "-conf", confPath.getAbsolutePath() };
+        sentryShell = new SentryShellIndexer();
+        validateMissingParameterMsg(sentryShell, args,
+                SentryShellCommon.PREFIX_MESSAGE_MISSING_OPTION + SentryShellCommon.OPTION_DESC_PRIVILEGE);
+
+        // test: action is required in privilege
+        args = new String[] { "-gpr", "-r", TEST_ROLE_NAME_1, "-conf", confPath.getAbsolutePath(), "-p", "indexer=Indexer1" };
+        sentryShell = new SentryShellIndexer();
+         try {
+          getShellResultWithOSRedirect(sentryShell, args, false);
+          fail("Expected IllegalArgumentException");
+        } catch (IllegalArgumentException e) {
+          assert("Privilege is invalid: action required but not specified.".equals(e.getMessage()));
+        }
+
+        // test: -r is required when revoke privilege from role
+        args = new String[] { "-rpr", "-p", "indexer=Indexer1", "-conf", confPath.getAbsolutePath() };
+        sentryShell = new SentryShellIndexer();
+        validateMissingParameterMsg(sentryShell, args,
+                SentryShellCommon.PREFIX_MESSAGE_MISSING_OPTION + SentryShellCommon.OPTION_DESC_ROLE_NAME);
+
+        // test: -p is required when revoke privilege from role
+        args = new String[] { "-rpr", "-r", TEST_ROLE_NAME_1, "-conf", confPath.getAbsolutePath() };
+        sentryShell = new SentryShellIndexer();
+        validateMissingParameterMsg(sentryShell, args,
+                SentryShellCommon.PREFIX_MESSAGE_MISSING_OPTION + SentryShellCommon.OPTION_DESC_PRIVILEGE);
+
+        // test: command option is required for shell
+        args = new String[] {"-conf", confPath.getAbsolutePath() };
+        sentryShell = new SentryShellIndexer();
+        validateMissingParameterMsgsContains(sentryShell, args,
+                SentryShellCommon.PREFIX_MESSAGE_MISSING_OPTION + "[",
+                "-arg Add role to group",
+                "-cr Create role",
+                "-rpr Revoke privilege from role",
+                "-drg Delete role from group",
+                "-lr List role",
+                "-lp List privilege",
+                "-gpr Grant privilege to role",
+                "-dr Drop role");
+
+        // clear the test data
+        client.dropRole(requestorName, TEST_ROLE_NAME_1, HBASE_INDEXER);
+      }
+    });
+  }
+
+  // redirect the System.out to ByteArrayOutputStream, then execute the command and parse the result.
+  private Set<String> getShellResultWithOSRedirect(SentryShellIndexer sentryShell,
+      String[] args, boolean expectedExecuteResult) throws Exception {
+    PrintStream oldOut = System.out;
+    ByteArrayOutputStream outContent = new ByteArrayOutputStream();
+    System.setOut(new PrintStream(outContent));
+    assertEquals(expectedExecuteResult, sentryShell.executeShell(args));
+    String outContentStr = outContent.toString();
+    Set<String> resultSet = outContentStr.length() > 0 ? Sets.<String>newHashSet(outContentStr.split("\n")) : Sets.<String>newHashSet();
+    System.setOut(oldOut);
+    return resultSet;
+  }
+
+  private void validateRoleNames(Set<String> roleNames, String ... expectedRoleNames) {
+    if (expectedRoleNames != null && expectedRoleNames.length > 0) {
+      assertEquals("Found: " + roleNames.size() + " roles, expected: " + expectedRoleNames.length,
+          expectedRoleNames.length, roleNames.size());
+      Set<String> lowerCaseRoles = new HashSet<String>();
+      for (String role : roleNames) {
+        lowerCaseRoles.add(role.toLowerCase());
+      }
+
+      for (String expectedRole : expectedRoleNames) {
+        assertTrue("Expected role: " + expectedRole,
+            lowerCaseRoles.contains(expectedRole.toLowerCase()));
+      }
+    }
+  }
+
+  private void validateMissingParameterMsg(SentryShellIndexer sentryShell, String[] args,
+      String expectedErrorMsg) throws Exception {
+    Set<String> errorMsgs = getShellResultWithOSRedirect(sentryShell, args, false);
+    assertTrue("Expected error message: " + expectedErrorMsg, errorMsgs.contains(expectedErrorMsg));
+  }
+
+  private void validateMissingParameterMsgsContains(SentryShellIndexer sentryShell, String[] args,
+      String ... expectedErrorMsgsContains) throws Exception {
+    Set<String> errorMsgs = getShellResultWithOSRedirect(sentryShell, args, false);
+    boolean foundAllMessages = false;
+    Iterator<String> it = errorMsgs.iterator();
+    while (it.hasNext()) {
+      String errorMessage = it.next();
+      boolean missingExpected = false;
+      for (String expectedContains : expectedErrorMsgsContains) {
+        if (!errorMessage.contains(expectedContains)) {
+          missingExpected = true;
+          break;
+        }
+      }
+      if (!missingExpected) {
+        foundAllMessages = true;
+        break;
+      }
+    }
+    assertTrue(foundAllMessages);
+  }
+}

http://git-wip-us.apache.org/repos/asf/sentry/blob/6752f14a/sentry-tools/src/test/java/org/apache/sentry/cli/tools/TestSentryShellKafka.java
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diff --git a/sentry-tools/src/test/java/org/apache/sentry/cli/tools/TestSentryShellKafka.java b/sentry-tools/src/test/java/org/apache/sentry/cli/tools/TestSentryShellKafka.java
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+/**
+ * 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.sentry.cli.tools;
+
+import com.google.common.collect.Sets;
+import com.google.common.io.Files;
+import org.apache.commons.io.FileUtils;
+import org.apache.sentry.core.common.exception.SentryUserException;
+import org.apache.sentry.core.model.kafka.validator.KafkaPrivilegeValidator;
+import org.apache.sentry.provider.db.generic.service.thrift.SentryGenericServiceIntegrationBase;
+import org.apache.sentry.provider.db.generic.service.thrift.TSentryPrivilege;
+import org.apache.sentry.provider.db.generic.service.thrift.TSentryRole;
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.PrintStream;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.Set;
+
+import static org.junit.Assert.*;
+
+public class TestSentryShellKafka extends SentryGenericServiceIntegrationBase {
+  private File confDir;
+  private File confPath;
+  private static String TEST_ROLE_NAME_1 = "testRole1";
+  private static String TEST_ROLE_NAME_2 = "testRole2";
+  private static String KAFKA = "kafka";
+  private String requestorName = "";
+  private String service = "kafka";
+
+  @Before
+  public void prepareForTest() throws Exception {
+    confDir = Files.createTempDir();
+    confPath = new File(confDir, "sentry-site.xml");
+    if (confPath.createNewFile()) {
+      FileOutputStream to = new FileOutputStream(confPath);
+      conf.writeXml(to);
+      to.close();
+    }
+    requestorName = clientUgi.getShortUserName();//.getProperty("user.name", "");
+    Set<String> requestorUserGroupNames = Sets.newHashSet(ADMIN_GROUP);
+    setLocalGroupMapping(requestorName, requestorUserGroupNames);
+    // add ADMIN_USER for the after() in SentryServiceIntegrationBase
+    setLocalGroupMapping(ADMIN_USER, requestorUserGroupNames);
+    writePolicyFile();
+  }
+
+  @After
+  public void clearTestData() throws Exception {
+    FileUtils.deleteQuietly(confDir);
+  }
+
+  @Test
+  public void testCreateDropRole() throws Exception {
+    runTestAsSubject(new TestOperation() {
+      @Override
+      public void runTestAsSubject() throws Exception {
+        // test: create role with -cr
+        String[] args = { "-cr", "-r", TEST_ROLE_NAME_1, "-conf", confPath.getAbsolutePath(), "-t", "kafka" };
+        SentryShellGeneric.main(args);
+        // test: create role with --create_role
+        args = new String[] { "--create_role", "-r", TEST_ROLE_NAME_2, "-conf",
+            confPath.getAbsolutePath(), "-t", "kafka" };
+        SentryShellGeneric.main(args);
+
+        // validate the result, list roles with -lr
+        args = new String[] { "-lr", "-conf", confPath.getAbsolutePath(), "-t", "kafka" };
+        SentryShellGeneric sentryShell = new SentryShellGeneric();
+        Set<String> roleNames = getShellResultWithOSRedirect(sentryShell, args, true);
+        validateRoleNames(roleNames, TEST_ROLE_NAME_1, TEST_ROLE_NAME_2);
+
+        // validate the result, list roles with --list_role
+        args = new String[] { "--list_role", "-conf", confPath.getAbsolutePath(), "-t", "kafka" };
+        sentryShell = new SentryShellGeneric();
+        roleNames = getShellResultWithOSRedirect(sentryShell, args, true);
+        validateRoleNames(roleNames, TEST_ROLE_NAME_1, TEST_ROLE_NAME_2);
+
+        // test: drop role with -dr
+        args = new String[] { "-dr", "-r", TEST_ROLE_NAME_1, "-conf", confPath.getAbsolutePath(), "-t", "kafka" };
+        SentryShellGeneric.main(args);
+        // test: drop role with --drop_role
+        args = new String[] { "--drop_role", "-r", TEST_ROLE_NAME_2, "-conf",
+            confPath.getAbsolutePath(), "-t", "kafka" };
+        SentryShellGeneric.main(args);
+
+        // validate the result
+        Set<TSentryRole> roles = client.listAllRoles(requestorName, KAFKA);
+        assertEquals("Incorrect number of roles", 0, roles.size());
+      }
+    });
+  }
+
+  @Test
+  public void testAddDeleteRoleForGroup() throws Exception {
+    runTestAsSubject(new TestOperation() {
+      @Override
+      public void runTestAsSubject() throws Exception {
+        // Group names are case sensitive - mixed case names should work
+        String TEST_GROUP_1 = "testGroup1";
+        String TEST_GROUP_2 = "testGroup2";
+        String TEST_GROUP_3 = "testGroup3";
+
+        // create the role for test
+        client.createRole(requestorName, TEST_ROLE_NAME_1, KAFKA);
+        client.createRole(requestorName, TEST_ROLE_NAME_2, KAFKA);
+        // test: add role to group with -arg
+        String[] args = { "-arg", "-r", TEST_ROLE_NAME_1, "-g", TEST_GROUP_1, "-conf",
+            confPath.getAbsolutePath(), "-t", "kafka" };
+        SentryShellGeneric.main(args);
+        // test: add role to multiple groups
+        args = new String[] { "-arg", "-r", TEST_ROLE_NAME_1, "-g", TEST_GROUP_2 + "," + TEST_GROUP_3,
+            "-conf",
+            confPath.getAbsolutePath(), "-t", "kafka" };
+        SentryShellGeneric.main(args);
+        // test: add role to group with --add_role_group
+        args = new String[] { "--add_role_group", "-r", TEST_ROLE_NAME_2, "-g", TEST_GROUP_1,
+            "-conf",
+            confPath.getAbsolutePath(), "-t", "kafka" };
+        SentryShellGeneric.main(args);
+
+        // validate the result list roles with -lr and -g
+        args = new String[] { "-lr", "-g", TEST_GROUP_1, "-conf", confPath.getAbsolutePath(), "-t", "kafka" };
+        SentryShellGeneric sentryShell = new SentryShellGeneric();
+        Set<String> roleNames = getShellResultWithOSRedirect(sentryShell, args, true);
+        validateRoleNames(roleNames, TEST_ROLE_NAME_1, TEST_ROLE_NAME_2);
+
+        // list roles with --list_role and -g
+        args = new String[] { "--list_role", "-g", TEST_GROUP_2, "-conf",
+            confPath.getAbsolutePath(), "-t", "kafka" };
+        sentryShell = new SentryShellGeneric();
+        roleNames = getShellResultWithOSRedirect(sentryShell, args, true);
+        validateRoleNames(roleNames, TEST_ROLE_NAME_1);
+
+        args = new String[] { "--list_role", "-g", TEST_GROUP_3, "-conf",
+            confPath.getAbsolutePath(), "-t", "kafka" };
+        sentryShell = new SentryShellGeneric();
+        roleNames = getShellResultWithOSRedirect(sentryShell, args, true);
+        validateRoleNames(roleNames, TEST_ROLE_NAME_1);
+
+        // List the groups and roles via listGroups
+        args = new String[] { "--list_group", "-conf", confPath.getAbsolutePath(), "-t", "kafka" };
+        sentryShell = new SentryShellGeneric();
+        Set<String> groups = getShellResultWithOSRedirect(sentryShell, args, true);
+        assertEquals(3, groups.size());
+        assertTrue(groups.contains("testGroup3 = testrole1"));
+        assertTrue(groups.contains("testGroup2 = testrole1"));
+        assertTrue(groups.contains("testGroup1 = testrole2, testrole1"));
+
+        // test: delete role from group with -drg
+        args = new String[] { "-drg", "-r", TEST_ROLE_NAME_1, "-g", TEST_GROUP_1, "-conf",
+            confPath.getAbsolutePath(), "-t", "kafka" };
+        SentryShellGeneric.main(args);
+        // test: delete role to multiple groups
+        args = new String[] { "-drg", "-r", TEST_ROLE_NAME_1, "-g", TEST_GROUP_2 + "," + TEST_GROUP_3,
+            "-conf",
+            confPath.getAbsolutePath(), "-t", "kafka" };
+        SentryShellGeneric.main(args);
+        // test: delete role from group with --delete_role_group
+        args = new String[] { "--delete_role_group", "-r", TEST_ROLE_NAME_2, "-g", TEST_GROUP_1,
+            "-conf", confPath.getAbsolutePath(), "-t", "kafka" };
+        SentryShellGeneric.main(args);
+
+        // validate the result
+        Set<TSentryRole> roles = client.listRolesByGroupName(requestorName, TEST_GROUP_1, KAFKA);
+        assertEquals("Incorrect number of roles", 0, roles.size());
+        roles = client.listRolesByGroupName(requestorName, TEST_GROUP_2, KAFKA);
+        assertEquals("Incorrect number of roles", 0, roles.size());
+        roles = client.listRolesByGroupName(requestorName, TEST_GROUP_3, KAFKA);
+        assertEquals("Incorrect number of roles", 0, roles.size());
+        // clear the test data
+        client.dropRole(requestorName, TEST_ROLE_NAME_1, KAFKA);
+        client.dropRole(requestorName, TEST_ROLE_NAME_2, KAFKA);
+      }
+    });
+  }
+
+  @Test
+  public void testCaseSensitiveGroupName() throws Exception {
+    runTestAsSubject(new TestOperation() {
+      @Override
+      public void runTestAsSubject() throws Exception {
+
+        // create the role for test
+        client.createRole(requestorName, TEST_ROLE_NAME_1, KAFKA);
+        // add role to a group (lower case)
+        String[] args = {"-arg", "-r", TEST_ROLE_NAME_1, "-g", "group1", "-conf",
+            confPath.getAbsolutePath(), "-t", "kafka"};
+        SentryShellGeneric.main(args);
+
+        // validate the roles when group name is same case as above
+        args = new String[]{"-lr", "-g", "group1", "-conf", confPath.getAbsolutePath(), "-t", "kafka"};
+        SentryShellGeneric sentryShell = new SentryShellGeneric();
+        Set<String> roleNames = getShellResultWithOSRedirect(sentryShell, args, true);
+        validateRoleNames(roleNames, TEST_ROLE_NAME_1);
+
+        // roles should be empty when group name is different case than above
+        args = new String[]{"-lr", "-g", "GROUP1", "-conf", confPath.getAbsolutePath(), "-t", "kafka"};
+        roleNames = getShellResultWithOSRedirect(sentryShell, args, true);
+        validateRoleNames(roleNames);
+      }
+    });
+  }
+
+  public static String grant(boolean shortOption) {
+    return shortOption ? "-gpr" : "--grant_privilege_role";
+  }
+
+  public static String revoke(boolean shortOption) {
+    return shortOption ? "-rpr" : "--revoke_privilege_role";
+  }
+
+  public static String list(boolean shortOption) {
+    return shortOption ? "-lp" : "--list_privilege";
+  }
+
+  private void assertGrantRevokePrivilege(final boolean shortOption) throws Exception {
+    runTestAsSubject(new TestOperation() {
+      @Override
+      public void runTestAsSubject() throws Exception {
+        // create the role for test
+        client.createRole(requestorName, TEST_ROLE_NAME_1, KAFKA);
+        client.createRole(requestorName, TEST_ROLE_NAME_2, KAFKA);
+
+        String [] privs = {
+            "HOST=*->CLUSTER=kafka-cluster->action=read",
+            "HOST=h1->TOPIC=t1->action=write",
+            "HOST=*->CONSUMERGROUP=cg1->action=read",
+            "CLUSTER=kafka-cluster->action=write",
+            "CONSUMERGROUP=cg2->action=write"
+        };
+        for (int i = 0; i < privs.length; ++i) {
+          // test: grant privilege to role
+          String [] args = new String [] { grant(shortOption), "-r", TEST_ROLE_NAME_1, "-p",
+            privs[ i ],
+            "-conf", confPath.getAbsolutePath(), "-t", "kafka" };
+          SentryShellGeneric.main(args);
+        }
+
+        // test the list privilege
+        String [] args = new String[] { list(shortOption), "-r", TEST_ROLE_NAME_1, "-conf", confPath.getAbsolutePath(), "-t", "kafka" };
+        SentryShellGeneric sentryShell = new SentryShellGeneric();
+        Set<String> privilegeStrs = getShellResultWithOSRedirect(sentryShell, args, true);
+
+        assertEquals("Incorrect number of privileges", privs.length, privilegeStrs.size());
+        for (int i = 0; i < privs.length; ++i) {
+          assertTrue("Expected privilege: " + privs[i] + " in " + Arrays.toString(privilegeStrs.toArray()), privilegeStrs.contains(privs[i].startsWith("HOST=") ? privs[i] : "HOST=*->" + privs[i]));
+        }
+
+        for (int i = 0; i < privs.length; ++i) {
+          args = new String[] { revoke(shortOption), "-r", TEST_ROLE_NAME_1, "-p",
+            privs[ i ], "-conf",
+            confPath.getAbsolutePath(), "-t", "kafka" };
+          SentryShellGeneric.main(args);
+          Set<TSentryPrivilege> privileges = client.listAllPrivilegesByRoleName(requestorName,
+            TEST_ROLE_NAME_1, KAFKA, service);
+          assertEquals("Incorrect number of privileges. Received privileges: " + Arrays.toString(privileges.toArray()), privs.length - (i + 1), privileges.size());
+        }
+
+        // clear the test data
+        client.dropRole(requestorName, TEST_ROLE_NAME_1, KAFKA);
+        client.dropRole(requestorName, TEST_ROLE_NAME_2, KAFKA);
+      }
+    });
+  }
+
+
+  @Test
+  public void testGrantRevokePrivilegeWithShortOption() throws Exception {
+    assertGrantRevokePrivilege(true);
+  }
+
+  @Test
+  public void testGrantRevokePrivilegeWithLongOption() throws Exception {
+    assertGrantRevokePrivilege(false);
+  }
+
+
+  @Test
+  public void testNegativeCaseWithInvalidArgument() throws Exception {
+    runTestAsSubject(new TestOperation() {
+      @Override
+      public void runTestAsSubject() throws Exception {
+        client.createRole(requestorName, TEST_ROLE_NAME_1, KAFKA);
+        // test: create duplicate role with -cr
+        String[] args = { "-cr", "-r", TEST_ROLE_NAME_1, "-conf", confPath.getAbsolutePath(), "-t", "kafka" };
+        SentryShellGeneric sentryShell = new SentryShellGeneric();
+        try {
+          sentryShell.executeShell(args);
+          fail("Exception should be thrown for creating duplicate role");
+        } catch (SentryUserException e) {
+          // expected exception
+        } catch (Exception e) {
+          fail ("Unexpected exception received. " + e);
+        }
+
+        // test: drop non-exist role with -dr
+        args = new String[] { "-dr", "-r", TEST_ROLE_NAME_2, "-conf", confPath.getAbsolutePath(), "-t", "kafka" };
+        sentryShell = new SentryShellGeneric();
+        try {
+          sentryShell.executeShell(args);
+          fail("Exception should be thrown for dropping non-exist role");
+        } catch (SentryUserException e) {
+          // excepted exception
+        } catch (Exception e) {
+          fail ("Unexpected exception received. " + e);
+        }
+
+        // test: add non-exist role to group with -arg
+        args = new String[] { "-arg", "-r", TEST_ROLE_NAME_2, "-g", "testGroup1", "-conf",
+            confPath.getAbsolutePath(), "-t", "kafka" };
+        sentryShell = new SentryShellGeneric();
+        try {
+          sentryShell.executeShell(args);
+          fail("Exception should be thrown for granting non-exist role to group");
+        } catch (SentryUserException e) {
+          // excepted exception
+        } catch (Exception e) {
+          fail ("Unexpected exception received. " + e);
+        }
+
+        // test: drop group from non-exist role with -drg
+        args = new String[] { "-drg", "-r", TEST_ROLE_NAME_2, "-g", "testGroup1", "-conf",
+            confPath.getAbsolutePath(), "-t", "kafka" };
+        sentryShell = new SentryShellGeneric();
+        try {
+          sentryShell.executeShell(args);
+          fail("Exception should be thrown for drop group from non-exist role");
+        } catch (SentryUserException e) {
+          // excepted exception
+        } catch (Exception e) {
+          fail ("Unexpected exception received. " + e);
+        }
+
+        // test: grant privilege to role with the error privilege format
+        args = new String[] { "-gpr", "-r", TEST_ROLE_NAME_1, "-p", "serverserver1->action=all",
+            "-conf", confPath.getAbsolutePath(), "-t", "kafka" };
+        sentryShell = new SentryShellGeneric();
+        try {
+          sentryShell.executeShell(args);
+          fail("Exception should be thrown for the error privilege format, invalid key value.");
+        } catch (IllegalArgumentException e) {
+          // excepted exception
+        } catch (Exception e) {
+          fail ("Unexpected exception received. " + e);
+        }
+
+        // test: grant privilege to role with the error privilege hierarchy
+        args = new String[] { "-gpr", "-r", TEST_ROLE_NAME_1, "-p",
+            "consumergroup=cg1->host=h1->action=create", "-conf",
+            confPath.getAbsolutePath(), "-t", "kafka" };
+        sentryShell = new SentryShellGeneric();
+        try {
+          sentryShell.executeShell(args);
+          fail("Exception should be thrown for the error privilege format, invalid key value.");
+        } catch (IllegalArgumentException e) {
+          // expected exception
+        } catch (Exception e) {
+          fail ("Unexpected exception received. " + e);
+        }
+
+        // clear the test data
+        client.dropRole(requestorName, TEST_ROLE_NAME_1, KAFKA);
+      }
+    });
+  }
+
+  @Test
+  public void testNegativeCaseWithoutRequiredArgument() throws Exception {
+    runTestAsSubject(new TestOperation() {
+      @Override
+      public void runTestAsSubject() throws Exception {
+        String strOptionConf = "conf";
+        client.createRole(requestorName, TEST_ROLE_NAME_1, KAFKA);
+        // test: the conf is required argument
+        String[] args = { "-cr", "-r", TEST_ROLE_NAME_1, "-t", "kafka" };
+        SentryShellGeneric sentryShell = new SentryShellGeneric();
+        validateMissingParameterMsg(sentryShell, args,
+                SentryShellCommon.PREFIX_MESSAGE_MISSING_OPTION + strOptionConf);
+
+        // test: -r is required when create role
+        args = new String[] { "-cr", "-conf", confPath.getAbsolutePath(), "-t", "kafka" };
+        sentryShell = new SentryShellGeneric();
+        validateMissingParameterMsg(sentryShell, args,
+                SentryShellCommon.PREFIX_MESSAGE_MISSING_OPTION + SentryShellCommon.OPTION_DESC_ROLE_NAME);
+
+        // test: -r is required when drop role
+        args = new String[] { "-dr", "-conf", confPath.getAbsolutePath(), "-t", "kafka" };
+        sentryShell = new SentryShellGeneric();
+        validateMissingParameterMsg(sentryShell, args,
+                SentryShellCommon.PREFIX_MESSAGE_MISSING_OPTION + SentryShellCommon.OPTION_DESC_ROLE_NAME);
+
+        // test: -r is required when add role to group
+        args = new String[] { "-arg", "-g", "testGroup1", "-conf", confPath.getAbsolutePath(), "-t", "kafka" };
+        sentryShell = new SentryShellGeneric();
+        validateMissingParameterMsg(sentryShell, args,
+                SentryShellCommon.PREFIX_MESSAGE_MISSING_OPTION + SentryShellCommon.OPTION_DESC_ROLE_NAME);
+
+        // test: -g is required when add role to group
+        args = new String[] { "-arg", "-r", TEST_ROLE_NAME_2, "-conf", confPath.getAbsolutePath(), "-t", "kafka" };
+        sentryShell = new SentryShellGeneric();
+        validateMissingParameterMsg(sentryShell, args,
+                SentryShellCommon.PREFIX_MESSAGE_MISSING_OPTION + SentryShellCommon.OPTION_DESC_GROUP_NAME);
+
+        // test: -r is required when delete role from group
+        args = new String[] { "-drg", "-g", "testGroup1", "-conf", confPath.getAbsolutePath(), "-t", "kafka" };
+        sentryShell = new SentryShellGeneric();
+        validateMissingParameterMsg(sentryShell, args,
+                SentryShellCommon.PREFIX_MESSAGE_MISSING_OPTION + SentryShellCommon.OPTION_DESC_ROLE_NAME);
+
+        // test: -g is required when delete role from group
+        args = new String[] { "-drg", "-r", TEST_ROLE_NAME_2, "-conf", confPath.getAbsolutePath(), "-t", "kafka" };
+        sentryShell = new SentryShellGeneric();
+        validateMissingParameterMsg(sentryShell, args,
+                SentryShellCommon.PREFIX_MESSAGE_MISSING_OPTION + SentryShellCommon.OPTION_DESC_GROUP_NAME);
+
+        // test: -r is required when grant privilege to role
+        args = new String[] { "-gpr", "-p", "server=server1", "-conf", confPath.getAbsolutePath(), "-t", "kafka" };
+        sentryShell = new SentryShellGeneric();
+        validateMissingParameterMsg(sentryShell, args,
+                SentryShellCommon.PREFIX_MESSAGE_MISSING_OPTION + SentryShellCommon.OPTION_DESC_ROLE_NAME);
+
+        // test: -p is required when grant privilege to role
+        args = new String[] { "-gpr", "-r", TEST_ROLE_NAME_1, "-conf", confPath.getAbsolutePath(), "-t", "kafka" };
+        sentryShell = new SentryShellGeneric();
+        validateMissingParameterMsg(sentryShell, args,
+                SentryShellCommon.PREFIX_MESSAGE_MISSING_OPTION + SentryShellCommon.OPTION_DESC_PRIVILEGE);
+
+        // test: action is required in privilege
+        args = new String[] { "-gpr", "-r", TEST_ROLE_NAME_1, "-conf", confPath.getAbsolutePath(), "-p", "host=*->topic=t1", "-t", "kafka" };
+        sentryShell = new SentryShellGeneric();
+         try {
+          getShellResultWithOSRedirect(sentryShell, args, false);
+          fail("Expected IllegalArgumentException");
+        } catch (IllegalArgumentException e) {
+           assert(("Kafka privilege must end with a valid action.\n" + KafkaPrivilegeValidator.KafkaPrivilegeHelpMsg).equals(e.getCause().getMessage()));
+        } catch (Exception e) {
+           fail ("Unexpected exception received. " + e);
+         }
+
+        // test: -r is required when revoke privilege from role
+        args = new String[] { "-rpr", "-p", "host=h1", "-conf", confPath.getAbsolutePath(), "-t", "kafka" };
+        sentryShell = new SentryShellGeneric();
+        validateMissingParameterMsg(sentryShell, args,
+                SentryShellCommon.PREFIX_MESSAGE_MISSING_OPTION + SentryShellCommon.OPTION_DESC_ROLE_NAME);
+
+        // test: -p is required when revoke privilege from role
+        args = new String[] { "-rpr", "-r", TEST_ROLE_NAME_1, "-conf", confPath.getAbsolutePath(), "-t", "kafka" };
+        sentryShell = new SentryShellGeneric();
+        validateMissingParameterMsg(sentryShell, args,
+                SentryShellCommon.PREFIX_MESSAGE_MISSING_OPTION + SentryShellCommon.OPTION_DESC_PRIVILEGE);
+
+        // test: command option is required for shell
+        args = new String[] {"-conf", confPath.getAbsolutePath(), "-t", "kafka" };
+        sentryShell = new SentryShellGeneric();
+        validateMissingParameterMsgsContains(sentryShell, args,
+                SentryShellCommon.PREFIX_MESSAGE_MISSING_OPTION + "[",
+                "-arg Add role to group",
+                "-cr Create role",
+                "-rpr Revoke privilege from role",
+                "-drg Delete role from group",
+                "-lr List role",
+                "-lp List privilege",
+                "-gpr Grant privilege to role",
+                "-dr Drop role");
+
+        // clear the test data
+        client.dropRole(requestorName, TEST_ROLE_NAME_1, KAFKA);
+      }
+    });
+  }
+
+  // redirect the System.out to ByteArrayOutputStream, then execute the command and parse the result.
+  private Set<String> getShellResultWithOSRedirect(SentryShellGeneric sentryShell,
+      String[] args, boolean expectedExecuteResult) throws Exception {
+    PrintStream oldOut = System.out;
+    ByteArrayOutputStream outContent = new ByteArrayOutputStream();
+    System.setOut(new PrintStream(outContent));
+    assertEquals(expectedExecuteResult, sentryShell.executeShell(args));
+    Set<String> resultSet = Sets.newHashSet(outContent.toString().split("\n"));
+    System.setOut(oldOut);
+    return resultSet;
+  }
+
+  private void validateRoleNames(Set<String> roleNames, String ... expectedRoleNames) {
+    if (expectedRoleNames != null && expectedRoleNames.length > 0) {
+      assertEquals("Found: " + roleNames.size() + " roles, expected: " + expectedRoleNames.length,
+          expectedRoleNames.length, roleNames.size());
+      Set<String> lowerCaseRoles = new HashSet<String>();
+      for (String role : roleNames) {
+        lowerCaseRoles.add(role.toLowerCase());
+      }
+
+      for (String expectedRole : expectedRoleNames) {
+        assertTrue("Expected role: " + expectedRole,
+            lowerCaseRoles.contains(expectedRole.toLowerCase()));
+      }
+    }
+  }
+
+  private void validateMissingParameterMsg(SentryShellGeneric sentryShell, String[] args,
+      String expectedErrorMsg) throws Exception {
+    Set<String> errorMsgs = getShellResultWithOSRedirect(sentryShell, args, false);
+    assertTrue("Expected error message: " + expectedErrorMsg, errorMsgs.contains(expectedErrorMsg));
+  }
+
+  private void validateMissingParameterMsgsContains(SentryShellGeneric sentryShell, String[] args,
+      String ... expectedErrorMsgsContains) throws Exception {
+    Set<String> errorMsgs = getShellResultWithOSRedirect(sentryShell, args, false);
+    boolean foundAllMessages = false;
+    Iterator<String> it = errorMsgs.iterator();
+    while (it.hasNext()) {
+      String errorMessage = it.next();
+      boolean missingExpected = false;
+      for (String expectedContains : expectedErrorMsgsContains) {
+        if (!errorMessage.contains(expectedContains)) {
+          missingExpected = true;
+          break;
+        }
+      }
+      if (!missingExpected) {
+        foundAllMessages = true;
+        break;
+      }
+    }
+    assertTrue(foundAllMessages);
+  }
+}

http://git-wip-us.apache.org/repos/asf/sentry/blob/6752f14a/sentry-tools/src/test/java/org/apache/sentry/cli/tools/TestSentryShellSolr.java
----------------------------------------------------------------------
diff --git a/sentry-tools/src/test/java/org/apache/sentry/cli/tools/TestSentryShellSolr.java b/sentry-tools/src/test/java/org/apache/sentry/cli/tools/TestSentryShellSolr.java
new file mode 100644
index 0000000..b770727
--- /dev/null
+++ b/sentry-tools/src/test/java/org/apache/sentry/cli/tools/TestSentryShellSolr.java
@@ -0,0 +1,533 @@
+/**
+ * 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.sentry.cli.tools;
+
+import com.google.common.io.Files;
+import com.google.common.collect.Sets;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+
+import java.io.ByteArrayOutputStream;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.PrintStream;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.Set;
+
+import org.apache.commons.io.FileUtils;
+import org.apache.sentry.core.common.exception.SentryUserException;
+import org.apache.sentry.provider.db.generic.service.thrift.SentryGenericServiceIntegrationBase;
+import org.apache.sentry.provider.db.generic.service.thrift.TSentryRole;
+import org.apache.sentry.provider.db.generic.service.thrift.TSentryPrivilege;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+public class TestSentryShellSolr extends SentryGenericServiceIntegrationBase {
+  private File confDir;
+  private File confPath;
+  private static String TEST_ROLE_NAME_1 = "testRole1";
+  private static String TEST_ROLE_NAME_2 = "testRole2";
+  private String requestorName = "";
+  private String service = "service1";
+
+  @Before
+  public void prepareForTest() throws Exception {
+    confDir = Files.createTempDir();
+    confPath = new File(confDir, "sentry-site.xml");
+    if (confPath.createNewFile()) {
+      FileOutputStream to = new FileOutputStream(confPath);
+      conf.writeXml(to);
+      to.close();
+    }
+    requestorName = clientUgi.getShortUserName();//System.getProperty("user.name", "");
+    Set<String> requestorUserGroupNames = Sets.newHashSet(ADMIN_GROUP);
+    setLocalGroupMapping(requestorName, requestorUserGroupNames);
+    // add ADMIN_USER for the after() in SentryServiceIntegrationBase
+    setLocalGroupMapping(ADMIN_USER, requestorUserGroupNames);
+    writePolicyFile();
+  }
+
+  @After
+  public void clearTestData() throws Exception {
+    FileUtils.deleteQuietly(confDir);
+  }
+
+  @Test
+  public void testCreateDropRole() throws Exception {
+    runTestAsSubject(new TestOperation() {
+      @Override
+      public void runTestAsSubject() throws Exception {
+        // test: create role with -cr
+        String[] args = { "-cr", "-r", TEST_ROLE_NAME_1, "-conf", confPath.getAbsolutePath(), "-t", "solr" };
+        SentryShellGeneric.main(args);
+        // test: create role with --create_role
+        args = new String[] { "--create_role", "-r", TEST_ROLE_NAME_2, "-conf",
+            confPath.getAbsolutePath(), "-t", "solr" };
+        SentryShellGeneric.main(args);
+
+        // validate the result, list roles with -lr
+        args = new String[] { "-lr", "-conf", confPath.getAbsolutePath(), "-t", "solr" };
+        SentryShellGeneric sentryShell = new SentryShellGeneric();
+        Set<String> roleNames = getShellResultWithOSRedirect(sentryShell, args, true);
+        validateRoleNames(roleNames, TEST_ROLE_NAME_1, TEST_ROLE_NAME_2);
+
+        // validate the result, list roles with --list_role
+        args = new String[] { "--list_role", "-conf", confPath.getAbsolutePath(), "-t", "solr" };
+        sentryShell = new SentryShellGeneric();
+        roleNames = getShellResultWithOSRedirect(sentryShell, args, true);
+        validateRoleNames(roleNames, TEST_ROLE_NAME_1, TEST_ROLE_NAME_2);
+
+        // test: drop role with -dr
+        args = new String[] { "-dr", "-r", TEST_ROLE_NAME_1, "-conf", confPath.getAbsolutePath(), "-t", "solr" };
+        SentryShellGeneric.main(args);
+        // test: drop role with --drop_role
+        args = new String[] { "--drop_role", "-r", TEST_ROLE_NAME_2, "-conf",
+            confPath.getAbsolutePath(), "-t", "solr" };
+        SentryShellGeneric.main(args);
+
+        // validate the result
+        Set<TSentryRole> roles = client.listAllRoles(requestorName, SOLR);
+        assertEquals("Incorrect number of roles", 0, roles.size());
+      }
+    });
+  }
+
+  @Test
+  public void testAddDeleteRoleForGroup() throws Exception {
+    runTestAsSubject(new TestOperation() {
+      @Override
+      public void runTestAsSubject() throws Exception {
+        // Group names are case sensitive - mixed case names should work
+        String TEST_GROUP_1 = "testGroup1";
+        String TEST_GROUP_2 = "testGroup2";
+        String TEST_GROUP_3 = "testGroup3";
+
+        // create the role for test
+        client.createRole(requestorName, TEST_ROLE_NAME_1, SOLR);
+        client.createRole(requestorName, TEST_ROLE_NAME_2, SOLR);
+        // test: add role to group with -arg
+        String[] args = { "-arg", "-r", TEST_ROLE_NAME_1, "-g", TEST_GROUP_1, "-conf",
+            confPath.getAbsolutePath(), "-t", "solr" };
+        SentryShellGeneric.main(args);
+        // test: add role to multiple groups
+        args = new String[] { "-arg", "-r", TEST_ROLE_NAME_1, "-g", TEST_GROUP_2 + "," + TEST_GROUP_3,
+            "-conf",
+            confPath.getAbsolutePath(), "-t", "solr" };
+        SentryShellGeneric.main(args);
+        // test: add role to group with --add_role_group
+        args = new String[] { "--add_role_group", "-r", TEST_ROLE_NAME_2, "-g", TEST_GROUP_1,
+            "-conf",
+            confPath.getAbsolutePath(), "-t", "solr" };
+        SentryShellGeneric.main(args);
+
+        // validate the result list roles with -lr and -g
+        args = new String[] { "-lr", "-g", TEST_GROUP_1, "-conf", confPath.getAbsolutePath(), "-t", "solr" };
+        SentryShellGeneric sentryShell = new SentryShellGeneric();
+        Set<String> roleNames = getShellResultWithOSRedirect(sentryShell, args, true);
+        validateRoleNames(roleNames, TEST_ROLE_NAME_1, TEST_ROLE_NAME_2);
+
+        // list roles with --list_role and -g
+        args = new String[] { "--list_role", "-g", TEST_GROUP_2, "-conf",
+            confPath.getAbsolutePath(), "-t", "solr" };
+        sentryShell = new SentryShellGeneric();
+        roleNames = getShellResultWithOSRedirect(sentryShell, args, true);
+        validateRoleNames(roleNames, TEST_ROLE_NAME_1);
+
+        args = new String[] { "--list_role", "-g", TEST_GROUP_3, "-conf",
+            confPath.getAbsolutePath(), "-t", "solr" };
+        sentryShell = new SentryShellGeneric();
+        roleNames = getShellResultWithOSRedirect(sentryShell, args, true);
+        validateRoleNames(roleNames, TEST_ROLE_NAME_1);
+
+        // List the groups and roles via listGroups
+        args = new String[] { "--list_group", "-conf", confPath.getAbsolutePath(), "-t", "solr" };
+        sentryShell = new SentryShellGeneric();
+        Set<String> groups = getShellResultWithOSRedirect(sentryShell, args, true);
+        assertEquals(3, groups.size());
+        assertTrue(groups.contains("testGroup3 = testrole1"));
+        assertTrue(groups.contains("testGroup2 = testrole1"));
+        assertTrue(groups.contains("testGroup1 = testrole2, testrole1"));
+
+        // test: delete role from group with -drg
+        args = new String[] { "-drg", "-r", TEST_ROLE_NAME_1, "-g", TEST_GROUP_1, "-conf",
+            confPath.getAbsolutePath(), "-t", "solr" };
+        SentryShellGeneric.main(args);
+        // test: delete role to multiple groups
+        args = new String[] { "-drg", "-r", TEST_ROLE_NAME_1, "-g", TEST_GROUP_2 + "," + TEST_GROUP_3,
+            "-conf",
+            confPath.getAbsolutePath(), "-t", "solr" };
+        SentryShellGeneric.main(args);
+        // test: delete role from group with --delete_role_group
+        args = new String[] { "--delete_role_group", "-r", TEST_ROLE_NAME_2, "-g", TEST_GROUP_1,
+            "-conf", confPath.getAbsolutePath(), "-t", "solr" };
+        SentryShellGeneric.main(args);
+
+        // validate the result
+        Set<TSentryRole> roles = client.listRolesByGroupName(requestorName, TEST_GROUP_1, SOLR);
+        assertEquals("Incorrect number of roles", 0, roles.size());
+        roles = client.listRolesByGroupName(requestorName, TEST_GROUP_2, SOLR);
+        assertEquals("Incorrect number of roles", 0, roles.size());
+        roles = client.listRolesByGroupName(requestorName, TEST_GROUP_3, SOLR);
+        assertEquals("Incorrect number of roles", 0, roles.size());
+        // clear the test data
+        client.dropRole(requestorName, TEST_ROLE_NAME_1, SOLR);
+        client.dropRole(requestorName, TEST_ROLE_NAME_2, SOLR);
+      }
+    });
+  }
+
+  @Test
+  public void testCaseSensitiveGroupName() throws Exception {
+    runTestAsSubject(new TestOperation() {
+      @Override
+      public void runTestAsSubject() throws Exception {
+
+        // create the role for test
+        client.createRole(requestorName, TEST_ROLE_NAME_1, SOLR);
+        // add role to a group (lower case)
+        String[] args = { "-arg", "-r", TEST_ROLE_NAME_1, "-g", "group1", "-conf",
+            confPath.getAbsolutePath(), "-t", "solr" };
+        SentryShellGeneric.main(args);
+
+        // validate the roles when group name is same case as above
+        args = new String[] { "-lr", "-g", "group1", "-conf", confPath.getAbsolutePath(), "-t", "solr" };
+        SentryShellGeneric sentryShell = new SentryShellGeneric();
+        Set<String> roleNames = getShellResultWithOSRedirect(sentryShell, args, true);
+        validateRoleNames(roleNames, TEST_ROLE_NAME_1);
+
+        // roles should be empty when group name is different case than above
+        args = new String[] { "-lr", "-g", "GROUP1", "-conf", confPath.getAbsolutePath(), "-t", "solr" };
+        roleNames = getShellResultWithOSRedirect(sentryShell, args, true);
+        validateRoleNames(roleNames);
+      }
+      });
+    }
+
+  public static String grant(boolean shortOption) {
+    return shortOption ? "-gpr" : "--grant_privilege_role";
+  }
+
+  public static String revoke(boolean shortOption) {
+    return shortOption ? "-rpr" : "--revoke_privilege_role";
+  }
+
+  public static String list(boolean shortOption) {
+    return shortOption ? "-lp" : "--list_privilege";
+  }
+
+  private void assertGrantRevokePrivilege(final boolean shortOption) throws Exception {
+    runTestAsSubject(new TestOperation() {
+      @Override
+      public void runTestAsSubject() throws Exception {
+        // create the role for test
+        client.createRole(requestorName, TEST_ROLE_NAME_1, SOLR);
+        client.createRole(requestorName, TEST_ROLE_NAME_2, SOLR);
+
+        String [] privs = {
+          "Collection=*->action=*",
+          "Collection=collection2->action=update",
+          "Collection=collection3->action=query",
+        };
+        for (int i = 0; i < privs.length; ++i) {
+          // test: grant privilege to role
+          String [] args = new String [] { grant(shortOption), "-r", TEST_ROLE_NAME_1, "-p",
+            privs[ i ],
+            "-conf", confPath.getAbsolutePath(), "-t", "solr" };
+          SentryShellGeneric.main(args);
+        }
+
+        // test the list privilege
+        String [] args = new String[] { list(shortOption), "-r", TEST_ROLE_NAME_1, "-conf", confPath.getAbsolutePath(), "-t", "solr" };
+        SentryShellGeneric sentryShell = new SentryShellGeneric();
+        Set<String> privilegeStrs = getShellResultWithOSRedirect(sentryShell, args, true);
+        assertEquals("Incorrect number of privileges", privs.length, privilegeStrs.size());
+        for (int i = 0; i < privs.length; ++i) {
+          assertTrue("Expected privilege: " + privs[ i ], privilegeStrs.contains(privs[ i ]));
+        }
+
+        for (int i = 0; i < privs.length; ++i) {
+          args = new String[] { revoke(shortOption), "-r", TEST_ROLE_NAME_1, "-p",
+            privs[ i ], "-conf",
+            confPath.getAbsolutePath(), "-t", "solr" };
+          SentryShellGeneric.main(args);
+          Set<TSentryPrivilege> privileges = client.listAllPrivilegesByRoleName(requestorName,
+            TEST_ROLE_NAME_1, SOLR, service);
+          assertEquals("Incorrect number of privileges", privs.length - (i + 1), privileges.size());
+        }
+
+        // clear the test data
+        client.dropRole(requestorName, TEST_ROLE_NAME_1, SOLR);
+        client.dropRole(requestorName, TEST_ROLE_NAME_2, SOLR);
+      }
+    });
+  }
+
+
+  @Test
+  public void testGrantRevokePrivilegeWithShortOption() throws Exception {
+    assertGrantRevokePrivilege(true);
+  }
+
+  @Test
+  public void testGrantRevokePrivilegeWithLongOption() throws Exception {
+    assertGrantRevokePrivilege(false);
+  }
+
+
+  @Test
+  public void testNegativeCaseWithInvalidArgument() throws Exception {
+    runTestAsSubject(new TestOperation() {
+      @Override
+      public void runTestAsSubject() throws Exception {
+        client.createRole(requestorName, TEST_ROLE_NAME_1, SOLR);
+        // test: create duplicate role with -cr
+        String[] args = { "-cr", "-r", TEST_ROLE_NAME_1, "-conf", confPath.getAbsolutePath(), "-t", "solr" };
+        SentryShellGeneric sentryShell = new SentryShellGeneric();
+        try {
+          sentryShell.executeShell(args);
+          fail("Exception should be thrown for creating duplicate role");
+        } catch (SentryUserException e) {
+          // expected exception
+        }
+
+        // test: drop non-exist role with -dr
+        args = new String[] { "-dr", "-r", TEST_ROLE_NAME_2, "-conf", confPath.getAbsolutePath(), "-t", "solr" };
+        sentryShell = new SentryShellGeneric();
+        try {
+          sentryShell.executeShell(args);
+          fail("Exception should be thrown for dropping non-exist role");
+        } catch (SentryUserException e) {
+          // excepted exception
+        }
+
+        // test: add non-exist role to group with -arg
+        args = new String[] { "-arg", "-r", TEST_ROLE_NAME_2, "-g", "testGroup1", "-conf",
+            confPath.getAbsolutePath(), "-t", "solr" };
+        sentryShell = new SentryShellGeneric();
+        try {
+          sentryShell.executeShell(args);
+          fail("Exception should be thrown for granting non-exist role to group");
+        } catch (SentryUserException e) {
+          // excepted exception
+        }
+
+        // test: drop group from non-exist role with -drg
+        args = new String[] { "-drg", "-r", TEST_ROLE_NAME_2, "-g", "testGroup1", "-conf",
+            confPath.getAbsolutePath(), "-t", "solr" };
+        sentryShell = new SentryShellGeneric();
+        try {
+          sentryShell.executeShell(args);
+          fail("Exception should be thrown for drop group from non-exist role");
+        } catch (SentryUserException e) {
+          // excepted exception
+        }
+
+        // test: grant privilege to role with the error privilege format
+        args = new String[] { "-gpr", "-r", TEST_ROLE_NAME_1, "-p", "serverserver1->action=*",
+            "-conf", confPath.getAbsolutePath(), "-t", "solr" };
+        sentryShell = new SentryShellGeneric();
+        try {
+          sentryShell.executeShell(args);
+          fail("Exception should be thrown for the error privilege format, invalid key value.");
+        } catch (IllegalArgumentException e) {
+          // excepted exception
+        }
+
+        // test: grant privilege to role with the error privilege hierarchy
+        args = new String[] { "-gpr", "-r", TEST_ROLE_NAME_1, "-p",
+            "server=server1->table=tbl1->column=col2->action=insert", "-conf",
+            confPath.getAbsolutePath(), "-t", "solr" };
+        sentryShell = new SentryShellGeneric();
+        try {
+          sentryShell.executeShell(args);
+          fail("Exception should be thrown for the error privilege format, invalid key value.");
+        } catch (IllegalArgumentException e) {
+          // expected exception
+        }
+
+        // clear the test data
+        client.dropRole(requestorName, TEST_ROLE_NAME_1, SOLR);
+      }
+    });
+  }
+
+  @Test
+  public void testNegativeCaseWithoutRequiredArgument() throws Exception {
+    runTestAsSubject(new TestOperation() {
+      @Override
+      public void runTestAsSubject() throws Exception {
+        String strOptionConf = "conf";
+        client.createRole(requestorName, TEST_ROLE_NAME_1, SOLR);
+        // test: the conf is required argument
+        String[] args = { "-cr", "-r", TEST_ROLE_NAME_1, "-t", "solr" };
+        SentryShellGeneric sentryShell = new SentryShellGeneric();
+        validateMissingParameterMsg(sentryShell, args,
+                SentryShellCommon.PREFIX_MESSAGE_MISSING_OPTION + strOptionConf);
+
+        // test: -r is required when create role
+        args = new String[] { "-cr", "-conf", confPath.getAbsolutePath(), "-t", "solr" };
+        sentryShell = new SentryShellGeneric();
+        validateMissingParameterMsg(sentryShell, args,
+                SentryShellCommon.PREFIX_MESSAGE_MISSING_OPTION + SentryShellCommon.OPTION_DESC_ROLE_NAME);
+
+        // test: -r is required when drop role
+        args = new String[] { "-dr", "-conf", confPath.getAbsolutePath(), "-t", "solr" };
+        sentryShell = new SentryShellGeneric();
+        validateMissingParameterMsg(sentryShell, args,
+                SentryShellCommon.PREFIX_MESSAGE_MISSING_OPTION + SentryShellCommon.OPTION_DESC_ROLE_NAME);
+
+        // test: -r is required when add role to group
+        args = new String[] { "-arg", "-g", "testGroup1", "-conf", confPath.getAbsolutePath(), "-t", "solr" };
+        sentryShell = new SentryShellGeneric();
+        validateMissingParameterMsg(sentryShell, args,
+                SentryShellCommon.PREFIX_MESSAGE_MISSING_OPTION + SentryShellCommon.OPTION_DESC_ROLE_NAME);
+
+        // test: -g is required when add role to group
+        args = new String[] { "-arg", "-r", TEST_ROLE_NAME_2, "-conf", confPath.getAbsolutePath(), "-t", "solr" };
+        sentryShell = new SentryShellGeneric();
+        validateMissingParameterMsg(sentryShell, args,
+                SentryShellCommon.PREFIX_MESSAGE_MISSING_OPTION + SentryShellCommon.OPTION_DESC_GROUP_NAME);
+
+        // test: -r is required when delete role from group
+        args = new String[] { "-drg", "-g", "testGroup1", "-conf", confPath.getAbsolutePath(), "-t", "solr" };
+        sentryShell = new SentryShellGeneric();
+        validateMissingParameterMsg(sentryShell, args,
+                SentryShellCommon.PREFIX_MESSAGE_MISSING_OPTION + SentryShellCommon.OPTION_DESC_ROLE_NAME);
+
+        // test: -g is required when delete role from group
+        args = new String[] { "-drg", "-r", TEST_ROLE_NAME_2, "-conf", confPath.getAbsolutePath(), "-t", "solr" };
+        sentryShell = new SentryShellGeneric();
+        validateMissingParameterMsg(sentryShell, args,
+                SentryShellCommon.PREFIX_MESSAGE_MISSING_OPTION + SentryShellCommon.OPTION_DESC_GROUP_NAME);
+
+        // test: -r is required when grant privilege to role
+        args = new String[] { "-gpr", "-p", "server=server1", "-conf", confPath.getAbsolutePath(), "-t", "solr" };
+        sentryShell = new SentryShellGeneric();
+        validateMissingParameterMsg(sentryShell, args,
+                SentryShellCommon.PREFIX_MESSAGE_MISSING_OPTION + SentryShellCommon.OPTION_DESC_ROLE_NAME);
+
+        // test: -p is required when grant privilege to role
+        args = new String[] { "-gpr", "-r", TEST_ROLE_NAME_1, "-conf", confPath.getAbsolutePath(), "-t", "solr" };
+        sentryShell = new SentryShellGeneric();
+        validateMissingParameterMsg(sentryShell, args,
+                SentryShellCommon.PREFIX_MESSAGE_MISSING_OPTION + SentryShellCommon.OPTION_DESC_PRIVILEGE);
+
+        // test: action is required in privilege
+        args = new String[] { "-gpr", "-r", TEST_ROLE_NAME_1, "-conf", confPath.getAbsolutePath(), "-p", "collection=collection1", "-t", "solr" };
+        sentryShell = new SentryShellGeneric();
+         try {
+          getShellResultWithOSRedirect(sentryShell, args, false);
+          fail("Expected IllegalArgumentException");
+        } catch (IllegalArgumentException e) {
+          assertEquals("Privilege is invalid: action required but not specified.", e.getMessage());
+        }
+
+        // test: -r is required when revoke privilege from role
+        args = new String[] { "-rpr", "-p", "server=server1", "-conf", confPath.getAbsolutePath(), "-t", "solr" };
+        sentryShell = new SentryShellGeneric();
+        validateMissingParameterMsg(sentryShell, args,
+                SentryShellCommon.PREFIX_MESSAGE_MISSING_OPTION + SentryShellCommon.OPTION_DESC_ROLE_NAME);
+
+        // test: -p is required when revoke privilege from role
+        args = new String[] { "-rpr", "-r", TEST_ROLE_NAME_1, "-conf", confPath.getAbsolutePath(), "-t", "solr" };
+        sentryShell = new SentryShellGeneric();
+        validateMissingParameterMsg(sentryShell, args,
+                SentryShellCommon.PREFIX_MESSAGE_MISSING_OPTION + SentryShellCommon.OPTION_DESC_PRIVILEGE);
+
+        // test: command option is required for shell
+        args = new String[] {"-conf", confPath.getAbsolutePath() };
+        sentryShell = new SentryShellGeneric();
+        validateMissingParameterMsgsContains(sentryShell, args,
+                SentryShellCommon.PREFIX_MESSAGE_MISSING_OPTION + "[",
+                "-arg Add role to group",
+                "-cr Create role",
+                "-rpr Revoke privilege from role",
+                "-drg Delete role from group",
+                "-lr List role",
+                "-lp List privilege",
+                "-gpr Grant privilege to role",
+                "-dr Drop role");
+
+        // clear the test data
+        client.dropRole(requestorName, TEST_ROLE_NAME_1, SOLR);
+      }
+    });
+  }
+
+  // redirect the System.out to ByteArrayOutputStream, then execute the command and parse the result.
+  private Set<String> getShellResultWithOSRedirect(SentryShellGeneric sentryShell,
+      String[] args, boolean expectedExecuteResult) throws Exception {
+    PrintStream oldOut = System.out;
+    ByteArrayOutputStream outContent = new ByteArrayOutputStream();
+    System.setOut(new PrintStream(outContent));
+    assertEquals(expectedExecuteResult, sentryShell.executeShell(args));
+    Set<String> resultSet = Sets.newHashSet(outContent.toString().split("\n"));
+    System.setOut(oldOut);
+    return resultSet;
+  }
+
+  private void validateRoleNames(Set<String> roleNames, String ... expectedRoleNames) {
+    if (expectedRoleNames != null && expectedRoleNames.length > 0) {
+      assertEquals("Found: " + roleNames.size() + " roles, expected: " + expectedRoleNames.length,
+          expectedRoleNames.length, roleNames.size());
+      Set<String> lowerCaseRoles = new HashSet<String>();
+      for (String role : roleNames) {
+        lowerCaseRoles.add(role.toLowerCase());
+      }
+
+      for (String expectedRole : expectedRoleNames) {
+        assertTrue("Expected role: " + expectedRole,
+            lowerCaseRoles.contains(expectedRole.toLowerCase()));
+      }
+    }
+  }
+
+  private void validateMissingParameterMsg(SentryShellGeneric sentryShell, String[] args,
+      String expectedErrorMsg) throws Exception {
+    Set<String> errorMsgs = getShellResultWithOSRedirect(sentryShell, args, false);
+    assertTrue("Expected error message: " + expectedErrorMsg, errorMsgs.contains(expectedErrorMsg));
+  }
+
+  private void validateMissingParameterMsgsContains(SentryShellGeneric sentryShell, String[] args,
+      String ... expectedErrorMsgsContains) throws Exception {
+    Set<String> errorMsgs = getShellResultWithOSRedirect(sentryShell, args, false);
+    boolean foundAllMessages = false;
+    Iterator<String> it = errorMsgs.iterator();
+    while (it.hasNext()) {
+      String errorMessage = it.next();
+      boolean missingExpected = false;
+      for (String expectedContains : expectedErrorMsgsContains) {
+        if (!errorMessage.contains(expectedContains)) {
+          missingExpected = true;
+          break;
+        }
+      }
+      if (!missingExpected) {
+        foundAllMessages = true;
+        break;
+      }
+    }
+    assertTrue(foundAllMessages);
+  }
+}