How to use

implies

method

in

org.apache.sentry.provider.db.service.model.MSentryPrivilege

if (p.getGrantOption() && p.implies(mPrivilege)) {
 hasGrant = true;
 break;

@Test
public void testImpliesPrivilegePositiveWithColumn() throws Exception {
 // 1.test server+database+table+column+action
 MSentryPrivilege my = new MSentryPrivilege();
 MSentryPrivilege your = new MSentryPrivilege();
 my.setServerName("server1");
 my.setAction(AccessConstants.SELECT);
 your.setServerName("server1");
 your.setDbName("db1");
 your.setTableName("tb1");
 your.setColumnName("c1");
 your.setAction(AccessConstants.SELECT);
 assertTrue(my.implies(your));
 my.setDbName("db1");
 assertTrue(my.implies(your));
 my.setTableName("tb1");
 assertTrue(my.implies(your));
 my.setColumnName("c1");
 assertTrue(my.implies(your));
}

@Test
public void testImpliesPrivilegePositiveWithColumn() throws Exception {
 // 1.test server+database+table+column+action
 MSentryPrivilege my = new MSentryPrivilege();
 MSentryPrivilege your = new MSentryPrivilege();
 my.setServerName("server1");
 my.setAction(AccessConstants.SELECT);
 your.setServerName("server1");
 your.setDbName("db1");
 your.setTableName("tb1");
 your.setColumnName("c1");
 your.setAction(AccessConstants.SELECT);
 assertTrue(my.implies(your));
 my.setDbName("db1");
 assertTrue(my.implies(your));
 my.setTableName("tb1");
 assertTrue(my.implies(your));
 my.setColumnName("c1");
 assertTrue(my.implies(your));
}

if (!priv.implies(childPriv)) {
 continue;

if (!priv.implies(childPriv)) {
 continue;

your.setTableName("tb1");
your.setAction(AccessConstants.SELECT);
assertTrue(my.implies(your));
assertTrue(my.implies(your));
assertTrue(my.implies(your));
assertTrue(my.implies(your));
assertTrue(my.implies(your));
assertTrue(my.implies(your));
assertTrue(my.implies(your));
 my.setURI("hdfs://namenode:9000/path");
 your.setURI("hdfs://namenode:9000/path");
 assertTrue(my.implies(your));
 assertTrue(my.implies(your));
 assertTrue(my.implies(your));
 assertTrue(my.implies(your));
 assertTrue(my.implies(your));

your.setTableName("tb1");
your.setAction(AccessConstants.SELECT);
assertTrue(my.implies(your));
assertTrue(my.implies(your));
assertTrue(my.implies(your));
assertTrue(my.implies(your));
assertTrue(my.implies(your));
assertTrue(my.implies(your));
assertTrue(my.implies(your));
 my.setURI("hdfs://namenode:9000/path");
 your.setURI("hdfs://namenode:9000/path");
 assertTrue(my.implies(your));
 assertTrue(my.implies(your));
 assertTrue(my.implies(your));
 assertTrue(my.implies(your));
 assertTrue(my.implies(your));

your.setTableName("tb1");
your.setAction(AccessConstants.INSERT);
assertFalse(my.implies(your));
assertFalse(my.implies(your));
assertFalse(my.implies(your));
assertFalse(my.implies(your));
your.setDbName("db1");
your.setServerName("server2");
assertFalse(my.implies(your));
assertFalse(my.implies(your));
my.setURI("file:///path");
your.setURI("file:///path/to/../../other");
assertFalse(my.implies(your));
assertFalse(my.implies(your));
my.setURI("hdfs://namenode:9000/path/to/some/dir");
your.setURI("blah");
assertFalse(my.implies(your));
assertFalse(my.implies(your));
my.setURI("hdfs://namenode:9000/path");
your.setURI("file://namenode:9000/path/to/some/dir");
assertFalse(my.implies(your));

your.setTableName("tb1");
your.setAction(AccessConstants.INSERT);
assertFalse(my.implies(your));
assertFalse(my.implies(your));
assertFalse(my.implies(your));
assertFalse(my.implies(your));
your.setDbName("db1");
your.setServerName("server2");
assertFalse(my.implies(your));
assertFalse(my.implies(your));
my.setURI("file:///path");
your.setURI("file:///path/to/../../other");
assertFalse(my.implies(your));
assertFalse(my.implies(your));
my.setURI("hdfs://namenode:9000/path/to/some/dir");
your.setURI("blah");
assertFalse(my.implies(your));
assertFalse(my.implies(your));
my.setURI("hdfs://namenode:9000/path");
your.setURI("file://namenode:9000/path/to/some/dir");
assertFalse(my.implies(your));

 @Test
 public void testImpliesPrivilegeNegativeWithColumn() throws Exception {
  // 1.test server+database+table+column+action
  MSentryPrivilege my = new MSentryPrivilege();
  MSentryPrivilege your = new MSentryPrivilege();
  // bad column
  my.setServerName("server1");
  my.setDbName("db1");
  my.setTableName("tb1");
  my.setColumnName("c1");
  my.setAction(AccessConstants.SELECT);
  your.setServerName("server1");
  your.setDbName("db1");
  your.setTableName("tb1");
  your.setColumnName("c2");
  your.setAction(AccessConstants.SELECT);
  assertFalse(my.implies(your));

  // bad scope
  your.setColumnName("");
  assertFalse(my.implies(your));
 }
}

 @Test
 public void testImpliesPrivilegeNegativeWithColumn() throws Exception {
  // 1.test server+database+table+column+action
  MSentryPrivilege my = new MSentryPrivilege();
  MSentryPrivilege your = new MSentryPrivilege();
  // bad column
  my.setServerName("server1");
  my.setDbName("db1");
  my.setTableName("tb1");
  my.setColumnName("c1");
  my.setAction(AccessConstants.SELECT);
  your.setServerName("server1");
  your.setDbName("db1");
  your.setTableName("tb1");
  your.setColumnName("c2");
  your.setAction(AccessConstants.SELECT);
  assertFalse(my.implies(your));

  // bad scope
  your.setColumnName("");
  assertFalse(my.implies(your));
 }
}