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"""Test of gRPC Python's application-layer API."""

import unittest

import six

import grpc

from tests.unit import _from_grpc_import_star


class AllTest(unittest.TestCase):

  def testAll(self):
    expected_grpc_code_elements = (
        'FutureTimeoutError',
        'FutureCancelledError',
        'Future',
        'ChannelConnectivity',
        'StatusCode',
        'RpcError',
        'RpcContext',
        'Call',
        'ChannelCredentials',
        'CallCredentials',
        'AuthMetadataContext',
        'AuthMetadataPluginCallback',
        'AuthMetadataPlugin',
        'ServerCredentials',
        'UnaryUnaryMultiCallable',
        'UnaryStreamMultiCallable',
        'StreamUnaryMultiCallable',
        'StreamStreamMultiCallable',
        'Channel',
        'ServicerContext',
        'RpcMethodHandler',
        'HandlerCallDetails',
        'GenericRpcHandler',
        'Server',
        'unary_unary_rpc_method_handler',
        'unary_stream_rpc_method_handler',
        'stream_unary_rpc_method_handler',
        'stream_stream_rpc_method_handler',
        'method_handlers_generic_handler',
        'ssl_channel_credentials',
        'metadata_call_credentials',
        'access_token_call_credentials',
        'composite_call_credentials',
        'composite_channel_credentials',
        'ssl_server_credentials',
        'channel_ready_future',
        'insecure_channel',
        'secure_channel',
        'server',
    )

    six.assertCountEqual(
        self, expected_grpc_code_elements,
        _from_grpc_import_star.GRPC_ELEMENTS)


class ChannelConnectivityTest(unittest.TestCase):

  def testChannelConnectivity(self):
    self.assertSequenceEqual(
        (grpc.ChannelConnectivity.IDLE,
         grpc.ChannelConnectivity.CONNECTING,
         grpc.ChannelConnectivity.READY,
         grpc.ChannelConnectivity.TRANSIENT_FAILURE,
         grpc.ChannelConnectivity.SHUTDOWN,),
        tuple(grpc.ChannelConnectivity))


class ChannelTest(unittest.TestCase):

  def test_secure_channel(self):
    channel_credentials = grpc.ssl_channel_credentials()
    channel = grpc.secure_channel('google.com:443', channel_credentials)


if __name__ == '__main__':
  unittest.main(verbosity=2)
