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from __future__ import absolute_import
from __future__ import division
from __future__ import print_function

from absl.testing import absltest
from third_party.nucleus.vendor.python import statusor_examples


class StatusorClifWrapTest(absltest.TestCase):

  def test_make_int_ok(self):
    self.assertEqual(statusor_examples.MakeIntOK(), 42)

  def test_make_int_fail(self):
    # TODO: OpError exception not propagated.
    with self.assertRaisesRegexp(ValueError, 'MakeIntFail'):
      statusor_examples.MakeIntFail()

  def test_make_str_ok(self):
    self.assertEqual(statusor_examples.MakeStrOK(), 'hello')

  # See CLIF wrapper for a discussion of why this is commented out.
  # def test_make_str_ok_stripped_type(self):
  #   self.assertEqual(statusor_examples.MakeStrOKStrippedType(), 'hello')

  def test_make_str_fail(self):
    # TODO: OpError exception not propagated.
    with self.assertRaisesRegexp(ValueError, 'MakeStrFail'):
      statusor_examples.MakeStrFail()

  def test_make_int_unique_ptr_ok(self):
    self.assertEqual(statusor_examples.MakeIntUniquePtrOK(), 421)

  def test_make_int_unique_ptr_fail(self):
    # TODO: OpError exception not propagated.
    with self.assertRaisesRegexp(ValueError, 'MakeIntUniquePtrFail'):
      statusor_examples.MakeIntUniquePtrFail()

  def test_make_int_vector_ok(self):
    self.assertEqual(statusor_examples.MakeIntVectorOK(), [1, 2, 42])

  def test_make_int_vector_fail(self):
    # TODO: OpError exception not propagated.
    with self.assertRaisesRegexp(ValueError, 'MakeIntVectorFail'):
      statusor_examples.MakeIntVectorFail()

  def test_returning_status_ok_returns_none(self):
    self.assertEqual(statusor_examples.FuncReturningStatusOK(), None)

  def test_returning_status_fail_raises(self):
    # TODO: OpError exception not propagated.
    with self.assertRaisesRegexp(ValueError, 'FuncReturningStatusFail'):
      statusor_examples.FuncReturningStatusFail()


if __name__ == '__main__':
  absltest.main()
