a2686543a9
* implement broadcast for federated communicator * implement allreduce * add communicator factory * add device adapter * add device communicator to factory * add rabit communicator * add rabit communicator to the factory * add nccl device communicator * add synchronize to device communicator * add back print and getprocessorname * add python wrapper and c api * clean up types * fix non-gpu build * try to fix ci * fix std::size_t * portable string compare ignore case * c style size_t * fix lint errors * cross platform setenv * fix memory leak * fix lint errors * address review feedback * add python test for rabit communicator * fix failing gtest * use json to configure communicators * fix lint error * get rid of factories * fix cpu build * fix include * fix python import * don't export collective.py yet * skip collective communicator pytest on windows * add review feedback * update documentation * remove mpi communicator type * fix tests * shutdown the communicator separately Co-authored-by: Hyunsu Cho <chohyu01@cs.washington.edu>
40 lines
1.0 KiB
C++
40 lines
1.0 KiB
C++
/*!
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* Copyright 2022 XGBoost contributors
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*/
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#include <gtest/gtest.h>
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#include "../../../src/collective/rabit_communicator.h"
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namespace xgboost {
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namespace collective {
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TEST(RabitCommunicatorSimpleTest, ThrowOnWorldSizeTooSmall) {
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auto construct = []() { RabitCommunicator comm{0, 0}; };
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EXPECT_THROW(construct(), dmlc::Error);
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}
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TEST(RabitCommunicatorSimpleTest, ThrowOnRankTooSmall) {
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auto construct = []() { RabitCommunicator comm{1, -1}; };
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EXPECT_THROW(construct(), dmlc::Error);
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}
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TEST(RabitCommunicatorSimpleTest, ThrowOnRankTooBig) {
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auto construct = []() { RabitCommunicator comm{1, 1}; };
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EXPECT_THROW(construct(), dmlc::Error);
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}
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TEST(RabitCommunicatorSimpleTest, GetWorldSizeAndRank) {
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RabitCommunicator comm{6, 3};
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EXPECT_EQ(comm.GetWorldSize(), 6);
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EXPECT_EQ(comm.GetRank(), 3);
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}
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TEST(RabitCommunicatorSimpleTest, IsNotDistributed) {
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RabitCommunicator comm{2, 1};
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// Rabit is only distributed with a tracker.
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EXPECT_FALSE(comm.IsDistributed());
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}
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} // namespace collective
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} // namespace xgboost
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