src/python/grpcio_tests/tests/health_check/_health_servicer_test.py

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"""Tests of grpc.health.v1.health."""

import unittest

import grpc
from grpc.framework.foundation import logging_pool
from grpc.health.v1 import health
from grpc.health.v1 import health_pb2

from tests.unit.framework.common import test_constants


class HealthServicerTest(unittest.TestCase):

  def setUp(self):
    servicer = health.HealthServicer()
    servicer.set('', health_pb2.HealthCheckResponse.SERVING)
    servicer.set('grpc.test.TestServiceServing',
                 health_pb2.HealthCheckResponse.SERVING)
    servicer.set('grpc.test.TestServiceUnknown',
                 health_pb2.HealthCheckResponse.UNKNOWN)
    servicer.set('grpc.test.TestServiceNotServing',
                 health_pb2.HealthCheckResponse.NOT_SERVING)
    server_pool = logging_pool.pool(test_constants.THREAD_CONCURRENCY)
    self._server = grpc.server(server_pool)
    port = self._server.add_insecure_port('[::]:0')
    health_pb2.add_HealthServicer_to_server(servicer, self._server)
    self._server.start()

    channel = grpc.insecure_channel('localhost:%d' % port)
    self._stub = health_pb2.HealthStub(channel)

  def test_empty_service(self):
    request = health_pb2.HealthCheckRequest()
    resp = self._stub.Check(request)
    self.assertEqual(health_pb2.HealthCheckResponse.SERVING, resp.status)

  def test_serving_service(self):
    request = health_pb2.HealthCheckRequest(
        service='grpc.test.TestServiceServing')
    resp = self._stub.Check(request)
    self.assertEqual(health_pb2.HealthCheckResponse.SERVING, resp.status)

  def test_unknown_serivce(self):
    request = health_pb2.HealthCheckRequest(
        service='grpc.test.TestServiceUnknown')
    resp = self._stub.Check(request)
    self.assertEqual(health_pb2.HealthCheckResponse.UNKNOWN, resp.status)

  def test_not_serving_service(self):
    request = health_pb2.HealthCheckRequest(
        service='grpc.test.TestServiceNotServing')
    resp = self._stub.Check(request)
    self.assertEqual(health_pb2.HealthCheckResponse.NOT_SERVING, resp.status)

  def test_not_found_service(self):
    request = health_pb2.HealthCheckRequest(
        service='not-found')
    with self.assertRaises(grpc.RpcError) as context:
      resp = self._stub.Check(request)
  
    self.assertEqual(grpc.StatusCode.NOT_FOUND, context.exception.code())


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