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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chromeos/ash/components/local_search_service/content_extraction_utils.h"
#include "base/strings/utf_string_conversions.h"
#include "chromeos/ash/components/local_search_service/shared_structs.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace ash::local_search_service {
namespace {
constexpr double kDefaultWeight = 1.0;
} // namespace
TEST(ContentExtractionUtilsTest, ConsolidateTokenTest) {
{
const std::u16string text(
u"Check duplicate. Duplicate is ##$%^&##$%##$^##$ bad");
const auto tokens = ConsolidateToken(
ExtractContent("3rd test", text, kDefaultWeight, "en"));
EXPECT_EQ(tokens.size(), 3u);
bool found = false;
for (const auto& token : tokens) {
if (token.content == u"duplicate") {
found = true;
EXPECT_EQ(token.positions[0].weight, kDefaultWeight);
EXPECT_EQ(token.positions[0].position.content_id, "3rd test");
EXPECT_EQ(token.positions[0].position.start, 6u);
EXPECT_EQ(token.positions[0].position.length, 9u);
EXPECT_EQ(token.positions[1].weight, kDefaultWeight);
EXPECT_EQ(token.positions[1].position.start, 17u);
EXPECT_EQ(token.positions[1].position.length, 9u);
}
}
EXPECT_TRUE(found);
}
{
std::vector<Token> sources = {
Token(u"A",
{WeightedPosition(kDefaultWeight, Position("ID1", 1u, 1u)),
WeightedPosition(kDefaultWeight, Position("ID1", 3u, 1u))}),
Token(u"B", {WeightedPosition(kDefaultWeight, Position("ID1", 5, 1))}),
// A different weight for content "ID2".
Token(u"A",
{WeightedPosition(kDefaultWeight / 2, Position("ID2", 10, 1))})};
const auto tokens = ConsolidateToken(sources);
EXPECT_EQ(tokens.size(), 2u);
bool found = false;
for (const auto& token : tokens) {
if (token.content == u"A") {
found = true;
EXPECT_EQ(token.positions[0].weight, kDefaultWeight);
EXPECT_EQ(token.positions[0].position.content_id, "ID1");
EXPECT_EQ(token.positions[0].position.start, 1u);
EXPECT_EQ(token.positions[0].position.length, 1u);
EXPECT_EQ(token.positions[1].weight, kDefaultWeight);
EXPECT_EQ(token.positions[1].position.content_id, "ID1");
EXPECT_EQ(token.positions[1].position.start, 3u);
EXPECT_EQ(token.positions[1].position.length, 1u);
EXPECT_EQ(token.positions[2].weight, kDefaultWeight / 2);
EXPECT_EQ(token.positions[2].position.content_id, "ID2");
EXPECT_EQ(token.positions[2].position.start, 10u);
EXPECT_EQ(token.positions[2].position.length, 1u);
}
}
EXPECT_TRUE(found);
}
}
TEST(ContentExtractionUtilsTest, ExtractContentTest) {
{
const std::u16string text(
u"Normal... English!!! paragraph: email@gmail.com. Here is a link: "
u"https://google.com, ip=8.8.8.8");
const auto tokens =
ExtractContent("first test", text, kDefaultWeight / 2, "en");
EXPECT_EQ(tokens.size(), 7u);
EXPECT_EQ(tokens[1].content, u"english");
EXPECT_EQ(tokens[1].positions[0].weight, kDefaultWeight / 2);
EXPECT_EQ(tokens[1].positions[0].position.content_id, "first test");
EXPECT_EQ(tokens[1].positions[0].position.start, 10u);
EXPECT_EQ(tokens[1].positions[0].position.length, 7u);
}
{
const std::u16string text(u"##$%#^你好!!!");
const auto tokens = ExtractContent("2nd test", text, kDefaultWeight, "zh");
EXPECT_EQ(tokens.size(), 1u);
EXPECT_EQ(tokens[0].content, u"你好");
EXPECT_EQ(tokens[0].positions[0].weight, kDefaultWeight);
EXPECT_EQ(tokens[0].positions[0].position.content_id, "2nd test");
EXPECT_EQ(tokens[0].positions[0].position.start, 6u);
EXPECT_EQ(tokens[0].positions[0].position.length, 2u);
}
}
TEST(ContentExtractionUtilsTest, StopwordTest) {
// Non English.
EXPECT_FALSE(IsStopword(u"was", "vn"));
// English.
EXPECT_TRUE(IsStopword(u"i", "en-US"));
EXPECT_TRUE(IsStopword(u"my", "en"));
EXPECT_FALSE(IsStopword(u"stopword", "en"));
}
TEST(ContentExtractionUtilsTest, NormalizerTest) {
// Test diacritic removed.
EXPECT_EQ(Normalizer(u"các dấu câu đã được loại bỏ thành công"),
u"cac dau cau da duoc loai bo thanh cong");
// Test hyphens removed.
EXPECT_EQ(Normalizer(u"wi\u2015fi----", true), u"wifi");
// Keep hyphen.
EXPECT_EQ(Normalizer(u"wi-fi", false), u"wi-fi");
// Case folding test.
EXPECT_EQ(Normalizer(u"This Is sOmE WEIRD LooKing text"),
u"this is some weird looking text");
// Combine test.
EXPECT_EQ(
Normalizer(u"Đây là MỘT trình duyệt tuyệt vời và mượt\u2014\u058Amà",
true),
u"day la mot trinh duyet tuyet voi va muotma");
}
} // namespace ash::local_search_service
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