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import logging
import pytest
from kudu.schema import INT32

from tests.common.custom_cluster_test_suite import CustomClusterTestSuite
from tests.common.kudu_test_suite import KuduTestSuite

KUDU_MASTER_HOSTS = pytest.config.option.kudu_master_hosts
LOG = logging.getLogger(__name__)

class TestKuduOperations(CustomClusterTestSuite, KuduTestSuite):

  @classmethod
  def get_workload(cls):
    return 'functional-query'

  @pytest.mark.execute_serially
  @CustomClusterTestSuite.with_args(impalad_args=\
      "--use_local_tz_for_unix_timestamp_conversions=true")
  def test_local_tz_conversion_ops(self, vector, unique_database):
    """IMPALA-5539: Test Kudu timestamp reads/writes are correct with the
       use_local_tz_for_unix_timestamp_conversions flag."""
    # These tests provide enough coverage of queries with timestamps.
    self.run_test_case('QueryTest/kudu-scan-node', vector, use_db=unique_database)
    self.run_test_case('QueryTest/kudu_insert', vector, use_db=unique_database)

  @pytest.mark.execute_serially
  @CustomClusterTestSuite.with_args(impalad_args="-kudu_master_hosts=")
  def test_kudu_master_hosts(self, cursor, kudu_client):
    """Check behavior when -kudu_master_hosts is not provided to catalogd."""
    with self.temp_kudu_table(kudu_client, [INT32]) as kudu_table:
      table_name = self.get_kudu_table_base_name(kudu_table.name)
      props = "TBLPROPERTIES('kudu.table_name'='%s')" % (kudu_table.name)
      try:
        cursor.execute("CREATE EXTERNAL TABLE %s STORED AS KUDU %s" % (table_name,
            props))
        assert False
      except Exception as e:
        assert "Table property 'kudu.master_addresses' is required" in str(e)

      cursor.execute("""
          CREATE EXTERNAL TABLE %s STORED AS KUDU
          TBLPROPERTIES ('kudu.master_addresses' = '%s',
          'kudu.table_name'='%s')
          """ % (table_name, KUDU_MASTER_HOSTS, kudu_table.name))
      cursor.execute("DROP TABLE %s" % table_name)


class TestKuduClientTimeout(CustomClusterTestSuite, KuduTestSuite):
  """Kudu tests that set the Kudu client operation timeout to 1ms and expect
     specific timeout exceptions. While we expect all exercised operations to take at
     least 1ms, it is possible that some may not and thus the test could be flaky. If
     this turns out to be the case, specific tests may need to be re-considered or
     removed."""

  @classmethod
  def get_workload(cls):
    return 'functional-query'

  @pytest.mark.execute_serially
  @CustomClusterTestSuite.with_args(impalad_args="-kudu_operation_timeout_ms=1")
  def test_impalad_timeout(self, vector):
    """Check impalad behavior when -kudu_operation_timeout_ms is too low."""
    self.run_test_case('QueryTest/kudu-timeouts-impalad', vector)

  @pytest.mark.execute_serially
  @CustomClusterTestSuite.with_args(catalogd_args="-kudu_operation_timeout_ms=1")
  def test_catalogd_timeout(self, vector):
    """Check catalogd behavior when -kudu_operation_timeout_ms is too low."""
    self.run_test_case('QueryTest/kudu-timeouts-catalogd', vector)