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/* Copyright 2016 The TensorFlow Authors. All Rights Reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
==============================================================================*/
#include "tensorflow/core/distributed_runtime/rpc/grpc_channel.h"
#include <string>
#include <vector>
#include "tensorflow/core/lib/core/status_test_util.h"
#include "tensorflow/core/lib/strings/strcat.h"
#include "tensorflow/core/platform/test.h"
#include "tensorflow/core/util/device_name_utils.h"
namespace tensorflow {
#define IsSameAddrSp DeviceNameUtils::IsSameAddressSpace
TEST(GrpcChannelTest, IsSameAddressSpace) {
// Same.
EXPECT_TRUE(IsSameAddrSp("/job:mnist/replica:10/task:10/cpu:0",
"/job:mnist/replica:10/task:10/cpu:1"));
EXPECT_TRUE(IsSameAddrSp("/job:mnist/replica:10/task:10/cpu:0",
"/job:mnist/replica:10/task:10/device:GPU:2"));
EXPECT_TRUE(IsSameAddrSp("/job:mnist/replica:10/task:10",
"/job:mnist/replica:10/task:10/device:GPU:2"));
EXPECT_TRUE(IsSameAddrSp("/job:mnist/replica:10/task:10/cpu:1",
"/job:mnist/replica:10/task:10"));
// Different.
EXPECT_FALSE(IsSameAddrSp("/job:mnist/replica:10/task:9/cpu:0",
"/job:mnist/replica:10/task:10/cpu:0"));
EXPECT_FALSE(IsSameAddrSp("/job:mnist/replica:9/task:10/cpu:0",
"/job:mnist/replica:10/task:10/cpu:0"));
EXPECT_FALSE(IsSameAddrSp("/job:MNIST/replica:10/task:10/cpu:0",
"/job:mnist/replica:10/task:10/cpu:0"));
// Invalid names.
EXPECT_FALSE(IsSameAddrSp("random_invalid_target", "random_invalid_target"));
EXPECT_FALSE(IsSameAddrSp("/job:/replica:10/task:10/cpu:0",
"/job:/replica:10/task:10/cpu:1"));
EXPECT_FALSE(IsSameAddrSp("/job:mnist/replica:xx/task:10/cpu:0",
"/job:mnist/replica:xx/task:10/cpu:1"));
EXPECT_FALSE(IsSameAddrSp("/job:mnist/replica:10/task:yy/cpu:0",
"/job:mnist/replica:10/task:yy/cpu:1"));
}
TEST(GrpcChannelTest, HostPorts) {
GrpcChannelSpec spec;
TF_EXPECT_OK(spec.AddHostPortsJob(
"mnist", {"a:1", "b:2", "c:3", "d:4", "e:5", "f:6"}));
ChannelCreationFunction channel_func =
ConvertToChannelCreationFunction(NewHostPortGrpcChannel);
std::unique_ptr<GrpcChannelCache> cc(NewGrpcChannelCache(spec, channel_func));
EXPECT_EQ(nullptr, cc->FindWorkerChannel("invalid_target"));
EXPECT_EQ(nullptr, cc->FindWorkerChannel("/job:other/replica:0/task:0"));
EXPECT_EQ(nullptr, cc->FindWorkerChannel("/job:mnist/replica:0/task:6"));
EXPECT_EQ(nullptr, cc->FindWorkerChannel("/job:mnist/replica:1/task:0"));
{
// NOTE(mrry): The gRPC channel doesn't expose the target, so we
// can't compare it for equality.
auto a_1_1 = cc->FindWorkerChannel("/job:mnist/replica:0/task:0");
auto a_1_2 = cc->FindWorkerChannel("/job:mnist/replica:0/task:0");
auto d_4_1 = cc->FindWorkerChannel("/job:mnist/replica:0/task:3");
auto d_4_2 = cc->FindWorkerChannel("/job:mnist/replica:0/task:3");
auto e_5_1 = cc->FindWorkerChannel("/job:mnist/replica:0/task:4");
auto e_5_2 = cc->FindWorkerChannel("/job:mnist/replica:0/task:4");
EXPECT_EQ(a_1_1.get(), a_1_2.get());
EXPECT_EQ(d_4_1.get(), d_4_2.get());
EXPECT_EQ(e_5_1.get(), e_5_2.get());
EXPECT_NE(a_1_1.get(), d_4_2.get());
EXPECT_NE(a_1_1.get(), e_5_2.get());
EXPECT_NE(d_4_1.get(), e_5_2.get());
}
std::vector<string> workers;
cc->ListWorkers(&workers);
EXPECT_EQ(std::vector<string>(
{"/job:mnist/replica:0/task:0", "/job:mnist/replica:0/task:1",
"/job:mnist/replica:0/task:2", "/job:mnist/replica:0/task:3",
"/job:mnist/replica:0/task:4", "/job:mnist/replica:0/task:5"}),
workers);
}
TEST(GrpcChannelTest, SparseHostPorts) {
GrpcChannelSpec spec;
TF_EXPECT_OK(
spec.AddHostPortsJob("mnist", {{0, "a:1"}, {3, "d:4"}, {4, "e:5"}}));
ChannelCreationFunction channel_func =
ConvertToChannelCreationFunction(NewHostPortGrpcChannel);
std::unique_ptr<GrpcChannelCache> cc(NewGrpcChannelCache(spec, channel_func));
EXPECT_EQ(nullptr, cc->FindWorkerChannel("invalid_target"));
EXPECT_EQ(nullptr, cc->FindWorkerChannel("/job:other/replica:0/task:0"));
EXPECT_EQ(nullptr, cc->FindWorkerChannel("/job:mnist/replica:0/task:1"));
EXPECT_EQ(nullptr, cc->FindWorkerChannel("/job:mnist/replica:0/task:2"));
EXPECT_EQ(nullptr, cc->FindWorkerChannel("/job:mnist/replica:0/task:5"));
{
// NOTE(mrry): The gRPC channel doesn't expose the target, so we
// can't compare it for equality.
auto a_1_1 = cc->FindWorkerChannel("/job:mnist/replica:0/task:0");
auto a_1_2 = cc->FindWorkerChannel("/job:mnist/replica:0/task:0");
LOG(WARNING) << " Getting task 3";
auto d_4_1 = cc->FindWorkerChannel("/job:mnist/replica:0/task:3");
auto d_4_2 = cc->FindWorkerChannel("/job:mnist/replica:0/task:3");
LOG(WARNING) << " Getting task 4";
auto e_5_1 = cc->FindWorkerChannel("/job:mnist/replica:0/task:4");
auto e_5_2 = cc->FindWorkerChannel("/job:mnist/replica:0/task:4");
EXPECT_EQ(a_1_1.get(), a_1_2.get());
EXPECT_EQ(d_4_1.get(), d_4_2.get());
EXPECT_EQ(e_5_1.get(), e_5_2.get());
EXPECT_NE(a_1_1.get(), d_4_2.get());
EXPECT_NE(a_1_1.get(), e_5_2.get());
EXPECT_NE(d_4_1.get(), e_5_2.get());
}
std::vector<string> workers;
cc->ListWorkers(&workers);
std::sort(workers.begin(), workers.end());
EXPECT_EQ(std::vector<string>({"/job:mnist/replica:0/task:0",
"/job:mnist/replica:0/task:3",
"/job:mnist/replica:0/task:4"}),
workers);
}
TEST(GrpcChannelTest, NewHostPortGrpcChannelValidation) {
SharedGrpcChannelPtr mock_ptr;
EXPECT_TRUE(NewHostPortGrpcChannel("127.0.0.1:2222", &mock_ptr).ok());
EXPECT_TRUE(NewHostPortGrpcChannel("example.com:2222", &mock_ptr).ok());
EXPECT_TRUE(NewHostPortGrpcChannel("fqdn.example.com.:2222", &mock_ptr).ok());
EXPECT_FALSE(NewHostPortGrpcChannel("example.com/abc:2222", &mock_ptr).ok());
EXPECT_FALSE(NewHostPortGrpcChannel("127.0.0.1:2222/", &mock_ptr).ok());
EXPECT_FALSE(NewHostPortGrpcChannel("example.com/abc:", &mock_ptr).ok());
}
} // namespace tensorflow
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