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from __future__ import absolute_import, division, print_function
import pytest

from tests.common.custom_cluster_test_suite import CustomClusterTestSuite
from tests.common.skip import SkipIfApacheHive

ST_POINT_SIGNATURE = "BINARY\tst_point(STRING)\tJAVA\ttrue"
ST_X_SIGNATURE_BUILTIN = "DOUBLE\tst_x(BINARY)\tBUILTIN\ttrue"
SHOW_FUNCTIONS = "show functions in _impala_builtins"


class TestGeospatialLibrary(CustomClusterTestSuite):
  """Tests the geospatial_library backend flag"""

  @CustomClusterTestSuite.with_args(start_args='--geospatial_library=NONE')
  @SkipIfApacheHive.feature_not_supported
  @pytest.mark.execute_serially
  def test_disabled(self):
    result = self.execute_query(SHOW_FUNCTIONS)
    assert ST_POINT_SIGNATURE not in result.data
    assert ST_X_SIGNATURE_BUILTIN not in result.data

  @SkipIfApacheHive.feature_not_supported
  @pytest.mark.execute_serially
  def test_enabled(self):
    result = self.execute_query(SHOW_FUNCTIONS)
    assert ST_POINT_SIGNATURE in result.data
    assert ST_X_SIGNATURE_BUILTIN in result.data