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Diffstat (limited to 'test/cpp/grpclb/grpclb_api_test.cc')
| -rw-r--r-- | test/cpp/grpclb/grpclb_api_test.cc | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/test/cpp/grpclb/grpclb_api_test.cc b/test/cpp/grpclb/grpclb_api_test.cc new file mode 100644 index 0000000000..bd4885fb4c --- /dev/null +++ b/test/cpp/grpclb/grpclb_api_test.cc @@ -0,0 +1,133 @@ +/* + * + * Copyright 2016, Google Inc. + * All rights reserved. + * + * 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. + * + */ + +#include <gtest/gtest.h> +#include <string> + +#include "src/core/client_config/lb_policies/load_balancer_api.h" +#include "src/proto/grpc/lb/v0/load_balancer.pb.h" // C++ version + +namespace grpc { +namespace { + +using grpc::lb::v0::LoadBalanceRequest; +using grpc::lb::v0::LoadBalanceResponse; + +class GrpclbTest : public ::testing::Test {}; + +TEST_F(GrpclbTest, CreateRequest) { + const std::string service_name = "AServiceName"; + LoadBalanceRequest request; + grpc_grpclb_request* c_req = grpc_grpclb_request_create(service_name.c_str()); + gpr_slice slice = grpc_grpclb_request_encode(c_req); + const int num_bytes_written = GPR_SLICE_LENGTH(slice); + EXPECT_GT(num_bytes_written, 0); + request.ParseFromArray(GPR_SLICE_START_PTR(slice), num_bytes_written); + EXPECT_EQ(request.initial_request().name(), service_name); + gpr_slice_unref(slice); + grpc_grpclb_request_destroy(c_req); +} + +TEST_F(GrpclbTest, ParseResponse) { + LoadBalanceResponse response; + const std::string client_config_str = "I'm a client config"; + auto* initial_response = response.mutable_initial_response(); + initial_response->set_client_config(client_config_str); + auto* client_stats_report_interval = + initial_response->mutable_client_stats_report_interval(); + client_stats_report_interval->set_seconds(123); + client_stats_report_interval->set_nanos(456); + + const std::string encoded_response = response.SerializeAsString(); + gpr_slice encoded_slice = + gpr_slice_from_copied_string(encoded_response.c_str()); + grpc_grpclb_response* c_response = grpc_grpclb_response_parse(encoded_slice); + EXPECT_TRUE(c_response->has_initial_response); + EXPECT_TRUE(c_response->initial_response.has_client_config); + EXPECT_FALSE(c_response->initial_response.has_load_balancer_delegate); + EXPECT_TRUE(strcmp(c_response->initial_response.client_config, + client_config_str.c_str()) == 0); + EXPECT_EQ(c_response->initial_response.client_stats_report_interval.seconds, + 123); + EXPECT_EQ(c_response->initial_response.client_stats_report_interval.nanos, + 456); + gpr_slice_unref(encoded_slice); + grpc_grpclb_response_destroy(c_response); +} + +TEST_F(GrpclbTest, ParseResponseServerList) { + LoadBalanceResponse response; + auto* serverlist = response.mutable_server_list(); + auto* server = serverlist->add_servers(); + server->set_ip_address("127.0.0.1"); + server->set_port(12345); + server->set_drop_request(true); + server = response.mutable_server_list()->add_servers(); + server->set_ip_address("10.0.0.1"); + server->set_port(54321); + server->set_drop_request(false); + auto* expiration_interval = serverlist->mutable_expiration_interval(); + expiration_interval->set_seconds(888); + expiration_interval->set_nanos(999); + + const std::string encoded_response = response.SerializeAsString(); + gpr_slice encoded_slice = + gpr_slice_from_copied_string(encoded_response.c_str()); + grpc_grpclb_serverlist* c_serverlist = + grpc_grpclb_response_parse_serverlist(encoded_slice); + ASSERT_EQ(c_serverlist->num_servers, 2ul); + EXPECT_TRUE(c_serverlist->servers[0]->has_ip_address); + EXPECT_TRUE(strcmp(c_serverlist->servers[0]->ip_address, "127.0.0.1") == 0); + EXPECT_EQ(c_serverlist->servers[0]->port, 12345); + EXPECT_TRUE(c_serverlist->servers[0]->drop_request); + EXPECT_TRUE(c_serverlist->servers[1]->has_ip_address); + EXPECT_TRUE(strcmp(c_serverlist->servers[1]->ip_address, "10.0.0.1") == 0); + EXPECT_EQ(c_serverlist->servers[1]->port, 54321); + EXPECT_FALSE(c_serverlist->servers[1]->drop_request); + + EXPECT_TRUE(c_serverlist->expiration_interval.has_seconds); + EXPECT_EQ(c_serverlist->expiration_interval.seconds, 888); + EXPECT_TRUE(c_serverlist->expiration_interval.has_nanos); + EXPECT_EQ(c_serverlist->expiration_interval.nanos, 999); + + gpr_slice_unref(encoded_slice); + grpc_grpclb_destroy_serverlist(c_serverlist); +} + +} // namespace +} // namespace grpc + +int main(int argc, char** argv) { + ::testing::InitGoogleTest(&argc, argv); + return RUN_ALL_TESTS(); +} |