#! /usr/bin/python
#
# Protocol Buffers - Google's data interchange format
# Copyright 2008 Google Inc.  All rights reserved.
# https://developers.google.com/protocol-buffers/
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
#     * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#     * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
#     * Neither the name of Google Inc. nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

# TODO(robinson): Flesh this out considerably.  We focused on reflection_test.py
# first, since it's testing the subtler code, and since it provides decent
# indirect testing of the protocol compiler output.

"""Unittest that directly tests the output of the pure-Python protocol
compiler.  See //google/protobuf/reflection_test.py for a test which
further ensures that we can use Python protocol message objects as we expect.
"""

__author__ = 'robinson@google.com (Will Robinson)'

from google.apputils import basetest
from google.protobuf.internal import test_bad_identifiers_pb2
from google.protobuf import unittest_custom_options_pb2
from google.protobuf import unittest_import_pb2
from google.protobuf import unittest_import_public_pb2
from google.protobuf import unittest_mset_pb2
from google.protobuf import unittest_no_generic_services_pb2
from google.protobuf import unittest_pb2
from google.protobuf import service
from google.protobuf import symbol_database

MAX_EXTENSION = 536870912


class GeneratorTest(basetest.TestCase):

  def testNestedMessageDescriptor(self):
    field_name = 'optional_nested_message'
    proto_type = unittest_pb2.TestAllTypes
    self.assertEqual(
        proto_type.NestedMessage.DESCRIPTOR,
        proto_type.DESCRIPTOR.fields_by_name[field_name].message_type)

  def testEnums(self):
    # We test only module-level enums here.
    # TODO(robinson): Examine descriptors directly to check
    # enum descriptor output.
    self.assertEqual(4, unittest_pb2.FOREIGN_FOO)
    self.assertEqual(5, unittest_pb2.FOREIGN_BAR)
    self.assertEqual(6, unittest_pb2.FOREIGN_BAZ)

    proto = unittest_pb2.TestAllTypes()
    self.assertEqual(1, proto.FOO)
    self.assertEqual(1, unittest_pb2.TestAllTypes.FOO)
    self.assertEqual(2, proto.BAR)
    self.assertEqual(2, unittest_pb2.TestAllTypes.BAR)
    self.assertEqual(3, proto.BAZ)
    self.assertEqual(3, unittest_pb2.TestAllTypes.BAZ)

  def testExtremeDefaultValues(self):
    message = unittest_pb2.TestExtremeDefaultValues()

    # Python pre-2.6 does not have isinf() or isnan() functions, so we have
    # to provide our own.
    def isnan(val):
      # NaN is never equal to itself.
      return val != val
    def isinf(val):
      # Infinity times zero equals NaN.
      return not isnan(val) and isnan(val * 0)

    self.assertTrue(isinf(message.inf_double))
    self.assertTrue(message.inf_double > 0)
    self.assertTrue(isinf(message.neg_inf_double))
    self.assertTrue(message.neg_inf_double < 0)
    self.assertTrue(isnan(message.nan_double))

    self.assertTrue(isinf(message.inf_float))
    self.assertTrue(message.inf_float > 0)
    self.assertTrue(isinf(message.neg_inf_float))
    self.assertTrue(message.neg_inf_float < 0)
    self.assertTrue(isnan(message.nan_float))
    self.assertEqual("? ? ?? ?? ??? ??/ ??-", message.cpp_trigraph)

  def testHasDefaultValues(self):
    desc = unittest_pb2.TestAllTypes.DESCRIPTOR

    expected_has_default_by_name = {
        'optional_int32': False,
        'repeated_int32': False,
        'optional_nested_message': False,