105 lines
3.7 KiB
C++
105 lines
3.7 KiB
C++
// Copyright 2024 KVCache.AI
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <gtest/gtest.h>
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#include <numa.h>
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#include <cstring>
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#include "transfer_engine_c.h"
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// Test: discoverTopology + installTransport("efa") via pure C API
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TEST(EfaCApiTest, DiscoverTopologyAndInstallEfa) {
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transfer_engine_t engine = createTransferEngine(
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"P2PHANDSHAKE", "127.0.0.1:12345", "127.0.0.1", 12345, 0);
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ASSERT_NE(engine, nullptr) << "createTransferEngine failed";
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int ret = discoverTopology(engine);
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ASSERT_EQ(ret, 0) << "discoverTopology failed with code " << ret;
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transport_t xport = installTransport(engine, "efa", NULL);
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ASSERT_NE(xport, nullptr) << "installTransport(\"efa\") failed";
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destroyTransferEngine(engine);
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}
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// Test: registerLocalMemory works after C API EFA setup
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TEST(EfaCApiTest, RegisterMemoryAfterCApiSetup) {
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transfer_engine_t engine = createTransferEngine(
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"P2PHANDSHAKE", "127.0.0.1:22345", "127.0.0.1", 22345, 0);
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ASSERT_NE(engine, nullptr);
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ASSERT_EQ(discoverTopology(engine), 0);
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ASSERT_NE(installTransport(engine, "efa", NULL), nullptr);
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size_t buf_size = 1 << 20; // 1 MB
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void* buf = numa_alloc_onnode(buf_size, 0);
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ASSERT_NE(buf, nullptr);
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memset(buf, 0xAB, buf_size);
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int ret = registerLocalMemory(engine, buf, buf_size, "cpu:0", 1);
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EXPECT_EQ(ret, 0) << "registerLocalMemory failed with code " << ret;
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unregisterLocalMemory(engine, buf);
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numa_free(buf, buf_size);
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destroyTransferEngine(engine);
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}
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// Test: registerLocalMemoryBatch works after C API EFA setup
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TEST(EfaCApiTest, RegisterMemoryBatchAfterCApiSetup) {
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transfer_engine_t engine = createTransferEngine(
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"P2PHANDSHAKE", "127.0.0.1:32345", "127.0.0.1", 32345, 0);
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ASSERT_NE(engine, nullptr);
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ASSERT_EQ(discoverTopology(engine), 0);
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ASSERT_NE(installTransport(engine, "efa", NULL), nullptr);
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const int num_bufs = 4;
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size_t buf_size = 1 << 20;
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buffer_entry_t entries[4];
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for (int i = 0; i < num_bufs; i++) {
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entries[i].addr = numa_alloc_onnode(buf_size, 0);
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ASSERT_NE(entries[i].addr, nullptr);
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entries[i].length = buf_size;
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memset(entries[i].addr, 0xCD, buf_size);
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}
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int ret = registerLocalMemoryBatch(engine, entries, num_bufs, "cpu:0");
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EXPECT_EQ(ret, 0) << "registerLocalMemoryBatch failed with code " << ret;
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void* addrs[4];
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for (int i = 0; i < num_bufs; i++) addrs[i] = entries[i].addr;
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unregisterLocalMemoryBatch(engine, addrs, num_bufs);
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for (int i = 0; i < num_bufs; i++) numa_free(entries[i].addr, buf_size);
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destroyTransferEngine(engine);
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}
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// Negative test: without discoverTopology, installTransport should fail
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TEST(EfaCApiTest, InstallEfaWithoutDiscoverFails) {
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transfer_engine_t engine = createTransferEngine(
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"P2PHANDSHAKE", "127.0.0.1:42345", "127.0.0.1", 42345, 0);
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ASSERT_NE(engine, nullptr);
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transport_t xport = installTransport(engine, "efa", NULL);
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EXPECT_EQ(xport, nullptr)
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<< "installTransport should fail without discover";
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destroyTransferEngine(engine);
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}
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int main(int argc, char** argv) {
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::testing::InitGoogleTest(&argc, argv);
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return RUN_ALL_TESTS();
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}
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