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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',
            'ServiceRpcHandler',
            '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)