speaker-embedding-manager-test.cc
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// sherpa-onnx/csrc/speaker-embedding-manager-test.cc
//
// Copyright (c) 2023 Jingzhao Ou (jingzhao.ou@gmail.com)
#include "sherpa-onnx/csrc/speaker-embedding-manager.h"
#include "gtest/gtest.h"
namespace sherpa_onnx {
TEST(SpeakerEmbeddingManager, AddAndRemove) {
int32_t dim = 2;
SpeakerEmbeddingManager manager(dim);
std::vector<float> v = {0.1, 0.1};
bool status = manager.Add("first", v.data());
ASSERT_TRUE(status);
ASSERT_EQ(manager.NumSpeakers(), 1);
// duplicate
status = manager.Add("first", v.data());
ASSERT_FALSE(status);
ASSERT_EQ(manager.NumSpeakers(), 1);
// non-duplicate
v = {0.1, 0.9};
status = manager.Add("second", v.data());
ASSERT_TRUE(status);
ASSERT_EQ(manager.NumSpeakers(), 2);
// do not exist
status = manager.Remove("third");
ASSERT_FALSE(status);
status = manager.Remove("first");
ASSERT_TRUE(status);
ASSERT_EQ(manager.NumSpeakers(), 1);
v = {0.1, 0.1};
status = manager.Add("first", v.data());
ASSERT_TRUE(status);
ASSERT_EQ(manager.NumSpeakers(), 2);
status = manager.Remove("first");
ASSERT_TRUE(status);
ASSERT_EQ(manager.NumSpeakers(), 1);
status = manager.Remove("second");
ASSERT_TRUE(status);
ASSERT_EQ(manager.NumSpeakers(), 0);
}
TEST(SpeakerEmbeddingManager, Search) {
int32_t dim = 2;
SpeakerEmbeddingManager manager(dim);
std::vector<float> v1 = {0.1, 0.1};
std::vector<float> v2 = {0.1, 0.9};
std::vector<float> v3 = {0.9, 0.1};
bool status = manager.Add("first", v1.data());
ASSERT_TRUE(status);
status = manager.Add("second", v2.data());
ASSERT_TRUE(status);
status = manager.Add("third", v3.data());
ASSERT_TRUE(status);
ASSERT_EQ(manager.NumSpeakers(), 3);
std::vector<float> v = {15, 16};
float threshold = 0.9;
std::string name = manager.Search(v.data(), threshold);
EXPECT_EQ(name, "first");
v = {2, 17};
name = manager.Search(v.data(), threshold);
EXPECT_EQ(name, "second");
v = {17, 2};
name = manager.Search(v.data(), threshold);
EXPECT_EQ(name, "third");
threshold = 0.9;
v = {15, 16};
status = manager.Remove("first");
ASSERT_TRUE(status);
name = manager.Search(v.data(), threshold);
EXPECT_EQ(name, "");
v = {17, 2};
status = manager.Remove("third");
ASSERT_TRUE(status);
name = manager.Search(v.data(), threshold);
EXPECT_EQ(name, "");
v = {2, 17};
status = manager.Remove("second");
ASSERT_TRUE(status);
name = manager.Search(v.data(), threshold);
EXPECT_EQ(name, "");
ASSERT_EQ(manager.NumSpeakers(), 0);
}
TEST(SpeakerEmbeddingManager, Verify) {
int32_t dim = 2;
SpeakerEmbeddingManager manager(dim);
std::vector<float> v1 = {0.1, 0.1};
std::vector<float> v2 = {0.1, 0.9};
std::vector<float> v3 = {0.9, 0.1};
bool status = manager.Add("first", v1.data());
ASSERT_TRUE(status);
status = manager.Add("second", v2.data());
ASSERT_TRUE(status);
status = manager.Add("third", v3.data());
ASSERT_TRUE(status);
std::vector<float> v = {15, 16};
float threshold = 0.9;
status = manager.Verify("first", v.data(), threshold);
ASSERT_TRUE(status);
v = {2, 17};
status = manager.Verify("first", v.data(), threshold);
ASSERT_FALSE(status);
status = manager.Verify("second", v.data(), threshold);
ASSERT_TRUE(status);
v = {17, 2};
status = manager.Verify("first", v.data(), threshold);
ASSERT_FALSE(status);
status = manager.Verify("second", v.data(), threshold);
ASSERT_FALSE(status);
status = manager.Verify("third", v.data(), threshold);
ASSERT_TRUE(status);
status = manager.Verify("fourth", v.data(), threshold);
ASSERT_FALSE(status);
}
} // namespace sherpa_onnx