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|
// Copyright 2016 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <vector>
#include "base/strings/utf_string_conversions.h"
#include "base/test/scoped_feature_list.h"
#include "build/build_config.h"
#include "components/spellcheck/common/spellcheck_features.h"
#include "components/spellcheck/renderer/spellcheck.h"
#include "components/spellcheck/renderer/spellcheck_provider_test.h"
#include "components/spellcheck/spellcheck_buildflags.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/blink/public/platform/web_string.h"
#include "third_party/blink/public/web/web_text_checking_result.h"
#include "third_party/blink/public/web/web_text_decoration_type.h"
namespace {
#if BUILDFLAG(IS_WIN) && BUILDFLAG(USE_BROWSER_SPELLCHECKER)
struct HybridSpellCheckTestCase {
size_t language_count;
size_t enabled_language_count;
size_t expected_spelling_service_calls_count;
size_t expected_text_check_requests_count;
};
struct CombineSpellCheckResultsTestCase {
std::string browser_locale;
std::string renderer_locale;
const wchar_t* text;
std::vector<SpellCheckResult> browser_results;
bool use_spelling_service;
std::vector<blink::WebTextCheckingResult> expected_results;
};
std::ostream& operator<<(std::ostream& out,
const CombineSpellCheckResultsTestCase& test_case) {
out << "browser_locale=" << test_case.browser_locale
<< ", renderer_locale=" << test_case.renderer_locale << ", text=\""
<< test_case.text
<< "\", use_spelling_service=" << test_case.use_spelling_service;
return out;
}
#endif // BUILDFLAG(IS_WIN) && BUILDFLAG(USE_BROWSER_SPELLCHECKER)
class SpellCheckProviderCacheTest : public SpellCheckProviderTest {
protected:
void UpdateCustomDictionary() {
SpellCheck* spellcheck = provider_.spellcheck();
EXPECT_NE(spellcheck, nullptr);
// Skip adding friend class - use public CustomDictionaryChanged from
// |spellcheck::mojom::SpellChecker|
static_cast<spellcheck::mojom::SpellChecker*>(spellcheck)
->CustomDictionaryChanged({}, {});
}
};
#if BUILDFLAG(IS_WIN) && BUILDFLAG(USE_BROWSER_SPELLCHECKER)
// Test fixture for testing hybrid check cases.
class HybridSpellCheckTest
: public testing::TestWithParam<HybridSpellCheckTestCase> {
public:
HybridSpellCheckTest() : provider_(&embedder_provider_) {}
~HybridSpellCheckTest() override = default;
void SetUp() override {
// Don't delay initialization of the SpellcheckService on browser launch.
feature_list_.InitAndDisableFeature(
spellcheck::kWinDelaySpellcheckServiceInit);
}
void RunShouldUseBrowserSpellCheckOnlyWhenNeededTest();
protected:
base::test::ScopedFeatureList feature_list_;
base::test::SingleThreadTaskEnvironment task_environment_;
spellcheck::EmptyLocalInterfaceProvider embedder_provider_;
TestingSpellCheckProvider provider_;
};
// Test fixture for testing hybrid check cases with delayed initialization of
// the spellcheck service.
class HybridSpellCheckTestDelayInit : public HybridSpellCheckTest {
public:
HybridSpellCheckTestDelayInit() = default;
void SetUp() override {
// Don't initialize the SpellcheckService on browser launch.
feature_list_.InitAndEnableFeature(
spellcheck::kWinDelaySpellcheckServiceInit);
}
};
// Test fixture for testing combining results from both the native spell checker
// and Hunspell.
class CombineSpellCheckResultsTest
: public testing::TestWithParam<CombineSpellCheckResultsTestCase> {
public:
CombineSpellCheckResultsTest() : provider_(&embedder_provider_) {}
~CombineSpellCheckResultsTest() override = default;
protected:
base::test::SingleThreadTaskEnvironment task_environment_;
spellcheck::EmptyLocalInterfaceProvider embedder_provider_;
TestingSpellCheckProvider provider_;
};
#endif // BUILDFLAG(IS_WIN) && BUILDFLAG(USE_BROWSER_SPELLCHECKER)
TEST_F(SpellCheckProviderCacheTest, SubstringWithoutMisspellings) {
FakeTextCheckingResult result;
FakeTextCheckingCompletion completion(&result);
std::vector<blink::WebTextCheckingResult> last_results;
provider_.SetLastResults(u"This is a test", last_results);
EXPECT_TRUE(provider_.SatisfyRequestFromCache(u"This is a", &completion));
EXPECT_EQ(result.completion_count_, 1U);
}
TEST_F(SpellCheckProviderCacheTest, SubstringWithMisspellings) {
FakeTextCheckingResult result;
FakeTextCheckingCompletion completion(&result);
std::vector<blink::WebTextCheckingResult> last_results = {
blink::WebTextCheckingResult(blink::kWebTextDecorationTypeSpelling, 5, 3,
std::vector<blink::WebString>({"isq"}))};
provider_.SetLastResults(u"This isq a test", last_results);
EXPECT_TRUE(provider_.SatisfyRequestFromCache(u"This isq a", &completion));
EXPECT_EQ(result.completion_count_, 1U);
}
TEST_F(SpellCheckProviderCacheTest, ShorterTextNotSubstring) {
FakeTextCheckingResult result;
FakeTextCheckingCompletion completion(&result);
std::vector<blink::WebTextCheckingResult> last_results;
provider_.SetLastResults(u"This is a test", last_results);
EXPECT_FALSE(provider_.SatisfyRequestFromCache(u"That is a", &completion));
EXPECT_EQ(result.completion_count_, 0U);
}
TEST_F(SpellCheckProviderCacheTest, ResetCacheOnCustomDictionaryUpdate) {
FakeTextCheckingResult result;
FakeTextCheckingCompletion completion(&result);
std::vector<blink::WebTextCheckingResult> last_results;
provider_.SetLastResults(u"This is a test", last_results);
UpdateCustomDictionary();
EXPECT_FALSE(provider_.SatisfyRequestFromCache(u"This is a", &completion));
EXPECT_EQ(result.completion_count_, 0U);
}
#if BUILDFLAG(IS_WIN) && BUILDFLAG(USE_BROWSER_SPELLCHECKER)
// Tests that the SpellCheckProvider does not call into the native spell checker
// on Windows when the native spell checker flags are disabled.
TEST_F(SpellCheckProviderTest, ShouldNotUseBrowserSpellCheck) {
spellcheck::ScopedDisableBrowserSpellCheckerForTesting
disable_browser_spell_checker;
FakeTextCheckingResult completion;
std::u16string text = u"This is a test";
provider_.RequestTextChecking(
text, std::make_unique<FakeTextCheckingCompletion>(&completion));
EXPECT_EQ(provider_.spelling_service_call_count_, 1U);
EXPECT_EQ(provider_.text_check_requests_.size(), 0U);
EXPECT_EQ(completion.completion_count_, 1U);
EXPECT_EQ(completion.cancellation_count_, 0U);
}
static const HybridSpellCheckTestCase kSpellCheckProviderHybridTestsParams[] = {
// No languages - should go straight to completion
HybridSpellCheckTestCase{0U, 0U, 0U, 0U},
// 1 disabled language - should go to browser
HybridSpellCheckTestCase{1U, 0U, 0U, 1U},
// 1 enabled language - should skip browser
HybridSpellCheckTestCase{1U, 1U, 1U, 0U},
// 1 disabled language, 1 enabled - should should go to browser
HybridSpellCheckTestCase{2U, 1U, 0U, 1U},
// 3 enabled languages - should skip browser
HybridSpellCheckTestCase{3U, 3U, 1U, 0U},
// 3 disabled languages - should go to browser
HybridSpellCheckTestCase{3U, 0U, 0U, 1U},
// 3 disabled languages, 3 enabled - should go to browser
HybridSpellCheckTestCase{6U, 3U, 0U, 1U}};
// Tests that the SpellCheckProvider calls into the native spell checker only
// when needed.
INSTANTIATE_TEST_SUITE_P(
SpellCheckProviderHybridTests,
HybridSpellCheckTest,
testing::ValuesIn(kSpellCheckProviderHybridTestsParams));
TEST_P(HybridSpellCheckTest, ShouldUseBrowserSpellCheckOnlyWhenNeeded) {
RunShouldUseBrowserSpellCheckOnlyWhenNeededTest();
}
void HybridSpellCheckTest::RunShouldUseBrowserSpellCheckOnlyWhenNeededTest() {
const auto& test_case = GetParam();
FakeTextCheckingResult completion;
provider_.spellcheck()->SetFakeLanguageCounts(
test_case.language_count, test_case.enabled_language_count);
provider_.RequestTextChecking(
u"This is a test",
std::make_unique<FakeTextCheckingCompletion>(&completion));
EXPECT_EQ(provider_.spelling_service_call_count_,
test_case.expected_spelling_service_calls_count);
EXPECT_EQ(provider_.text_check_requests_.size(),
test_case.expected_text_check_requests_count);
EXPECT_EQ(completion.completion_count_,
test_case.expected_text_check_requests_count > 0u ? 0u : 1u);
EXPECT_EQ(completion.cancellation_count_, 0U);
}
// Tests that the SpellCheckProvider calls into the native spell checker only
// when needed when the code path through
// SpellCheckProvider::RequestTextChecking is that used when the spellcheck
// service is initialized on demand.
INSTANTIATE_TEST_SUITE_P(
SpellCheckProviderHybridTests,
HybridSpellCheckTestDelayInit,
testing::ValuesIn(kSpellCheckProviderHybridTestsParams));
TEST_P(HybridSpellCheckTestDelayInit,
ShouldUseBrowserSpellCheckOnlyWhenNeeded) {
RunShouldUseBrowserSpellCheckOnlyWhenNeededTest();
}
// Tests that the SpellCheckProvider can correctly combine results from the
// native spell checker and Hunspell.
INSTANTIATE_TEST_SUITE_P(
SpellCheckProviderCombineResultsTests,
CombineSpellCheckResultsTest,
testing::Values(
// Browser-only check, no browser results
CombineSpellCheckResultsTestCase{"en-US",
"",
L"This has no misspellings",
{},
false,
{}},
// Browser-only check, no spelling service, browser results
CombineSpellCheckResultsTestCase{
"en-US",
"",
L"Tihs has soem misspellings",
{SpellCheckResult(SpellCheckResult::SPELLING,
0,
4,
{std::u16string(u"foo")}),
SpellCheckResult(SpellCheckResult::SPELLING,
9,
4,
{std::u16string(u"foo")})},
false,
std::vector<blink::WebTextCheckingResult>(
{blink::WebTextCheckingResult(
blink::WebTextDecorationType::
kWebTextDecorationTypeSpelling,
0,
4),
blink::WebTextCheckingResult(
blink::WebTextDecorationType::
kWebTextDecorationTypeSpelling,
9,
4)})},
// Browser-only check, no spelling service, browser results, some words
// in character sets with no dictionaries enabled.
CombineSpellCheckResultsTestCase{
"en-US",
"",
L"Tihs has soem \x3053\x3093\x306B\x3061\x306F \x4F60\x597D "
L"\xC548\xB155\xD558\xC138\xC694 "
L"\x0930\x093E\x091C\x0927\x093E\x0928 words in different "
L"character sets "
L"(Japanese, Chinese, Korean, Hindi)",
{SpellCheckResult(SpellCheckResult::SPELLING,
0,
4,
{std::u16string(u"foo")}),
SpellCheckResult(SpellCheckResult::SPELLING,
9,
4,
{std::u16string(u"foo")}),
SpellCheckResult(SpellCheckResult::SPELLING,
14,
5,
{std::u16string(u"foo")}),
SpellCheckResult(SpellCheckResult::SPELLING,
20,
2,
{std::u16string(u"foo")}),
SpellCheckResult(SpellCheckResult::SPELLING,
23,
5,
{std::u16string(u"foo")}),
SpellCheckResult(SpellCheckResult::SPELLING,
29,
6,
{std::u16string(u"foo")})},
false,
std::vector<blink::WebTextCheckingResult>(
{blink::WebTextCheckingResult(
blink::WebTextDecorationType::
kWebTextDecorationTypeSpelling,
0,
4),
blink::WebTextCheckingResult(
blink::WebTextDecorationType::
kWebTextDecorationTypeSpelling,
9,
4)})},
// Browser-only check, spelling service, spelling-only browser results
CombineSpellCheckResultsTestCase{
"en-US",
"",
L"Tihs has soem misspellings",
{SpellCheckResult(SpellCheckResult::SPELLING,
0,
4,
{std::u16string(u"foo")}),
SpellCheckResult(SpellCheckResult::SPELLING,
9,
4,
{std::u16string(u"foo")})},
true,
std::vector<blink::WebTextCheckingResult>(
{blink::WebTextCheckingResult(
blink::WebTextDecorationType::
kWebTextDecorationTypeSpelling,
0,
4),
blink::WebTextCheckingResult(
blink::WebTextDecorationType::
kWebTextDecorationTypeSpelling,
9,
4)})},
// Browser-only check, spelling service, spelling and grammar browser
// results
CombineSpellCheckResultsTestCase{
"en-US",
"",
L"Tihs has soem misspellings",
{SpellCheckResult(SpellCheckResult::SPELLING,
0,
4,
{std::u16string(u"foo")}),
SpellCheckResult(SpellCheckResult::GRAMMAR,
9,
4,
{std::u16string(u"foo")})},
true,
std::vector<blink::WebTextCheckingResult>(
{blink::WebTextCheckingResult(
blink::WebTextDecorationType::
kWebTextDecorationTypeSpelling,
0,
4),
blink::WebTextCheckingResult(blink::WebTextDecorationType::
kWebTextDecorationTypeGrammar,
9,
4)})},
// Hybrid check, no browser results
CombineSpellCheckResultsTestCase{"en-US",
"en-US",
L"This has no misspellings",
{},
false,
{}},
// Hybrid check, no spelling service, browser results that all coincide
// with Hunspell results
CombineSpellCheckResultsTestCase{
"en-US",
"en-US",
L"Tihs has soem misspellings",
{SpellCheckResult(SpellCheckResult::SPELLING,
0,
4,
{std::u16string(u"foo")}),
SpellCheckResult(SpellCheckResult::SPELLING,
9,
4,
{std::u16string(u"foo")})},
false,
std::vector<blink::WebTextCheckingResult>(
{blink::WebTextCheckingResult(
blink::WebTextDecorationType::
kWebTextDecorationTypeSpelling,
0,
4),
blink::WebTextCheckingResult(
blink::WebTextDecorationType::
kWebTextDecorationTypeSpelling,
9,
4)})},
// Hybrid check, no spelling service, browser results that partially
// coincide with Hunspell results
CombineSpellCheckResultsTestCase{
"en-US",
"en-US",
L"Tihs has soem misspellings",
{
SpellCheckResult(SpellCheckResult::SPELLING,
0,
4,
{std::u16string(u"foo")}),
SpellCheckResult(SpellCheckResult::SPELLING,
5,
3,
{std::u16string(u"foo")}),
SpellCheckResult(SpellCheckResult::SPELLING,
9,
4,
{std::u16string(u"foo")}),
SpellCheckResult(SpellCheckResult::SPELLING,
14,
12,
{std::u16string(u"foo")}),
},
false,
std::vector<blink::WebTextCheckingResult>(
{blink::WebTextCheckingResult(
blink::WebTextDecorationType::
kWebTextDecorationTypeSpelling,
0,
4),
blink::WebTextCheckingResult(
blink::WebTextDecorationType::
kWebTextDecorationTypeSpelling,
9,
4)})},
// Hybrid check, no spelling service, browser results that don't
// coincide with Hunspell results
CombineSpellCheckResultsTestCase{
"en-US",
"en-US",
L"Tihs has soem misspellings",
{SpellCheckResult(SpellCheckResult::SPELLING,
5,
3,
{std::u16string(u"foo")}),
SpellCheckResult(SpellCheckResult::SPELLING,
14,
12,
{std::u16string(u"foo")})},
false,
std::vector<blink::WebTextCheckingResult>()},
// Hybrid check, no spelling service, browser results with some that
// that are in character set that does not have dictionary support (so
// (are considered spelled correctly)
CombineSpellCheckResultsTestCase{
"en-US",
"fr",
L"Tihs mot is misspelled in Russian: "
L"\x043C\x0438\x0440\x0432\x043E\x0439",
{SpellCheckResult(SpellCheckResult::SPELLING,
0,
4,
{std::u16string(u"foo")}),
SpellCheckResult(SpellCheckResult::SPELLING,
5,
3,
{std::u16string(u"foo")}),
SpellCheckResult(SpellCheckResult::SPELLING,
35,
6,
{std::u16string(u"foo")})},
false,
std::vector<blink::WebTextCheckingResult>(
std::vector<blink::WebTextCheckingResult>(
{blink::WebTextCheckingResult(
blink::WebTextDecorationType::
kWebTextDecorationTypeSpelling,
0,
4)}))},
// Hybrid check, no spelling service, text with some words in a
// character set that only has a Hunspell dictionary enabled.
CombineSpellCheckResultsTestCase{
"en-US",
"ru",
L"Tihs \x0432\x0441\x0435\x0445 is misspelled in Russian: "
L"\x043C\x0438\x0440\x0432\x043E\x0439",
{SpellCheckResult(SpellCheckResult::SPELLING,
0,
4,
{std::u16string(u"foo")}),
SpellCheckResult(SpellCheckResult::SPELLING,
5,
4,
{std::u16string(u"foo")}),
SpellCheckResult(SpellCheckResult::SPELLING,
36,
6,
{std::u16string(u"foo")})},
false,
std::vector<blink::WebTextCheckingResult>(
{blink::WebTextCheckingResult(
blink::WebTextDecorationType::
kWebTextDecorationTypeSpelling,
0,
4),
blink::WebTextCheckingResult(
blink::WebTextDecorationType::
kWebTextDecorationTypeSpelling,
36,
6)})},
// Hybrid check, spelling service, spelling and grammar browser results
// that all coincide with Hunspell results
CombineSpellCheckResultsTestCase{
"en-US",
"en-US",
L"Tihs has soem misspellings",
{SpellCheckResult(SpellCheckResult::SPELLING,
0,
4,
{std::u16string(u"foo")}),
SpellCheckResult(SpellCheckResult::GRAMMAR,
9,
4,
{std::u16string(u"foo")})},
true,
std::vector<blink::WebTextCheckingResult>(
{blink::WebTextCheckingResult(
blink::WebTextDecorationType::
kWebTextDecorationTypeSpelling,
0,
4),
blink::WebTextCheckingResult(blink::WebTextDecorationType::
kWebTextDecorationTypeGrammar,
9,
4)})},
// Hybrid check, spelling service, spelling and grammar browser results
// but some of the spelling results are correctly spelled in Hunspell
// locales
CombineSpellCheckResultsTestCase{
"en-US",
"en-US",
L"This has soem misspellings",
{SpellCheckResult(SpellCheckResult::SPELLING,
0,
4,
{std::u16string(u"foo")}),
SpellCheckResult(SpellCheckResult::SPELLING,
9,
4,
{std::u16string(u"foo")})},
true,
std::vector<blink::WebTextCheckingResult>(
{blink::WebTextCheckingResult(blink::WebTextDecorationType::
kWebTextDecorationTypeGrammar,
0,
4),
blink::WebTextCheckingResult(
blink::WebTextDecorationType::
kWebTextDecorationTypeSpelling,
9,
4)})}));
TEST_P(CombineSpellCheckResultsTest, ShouldCorrectlyCombineHybridResults) {
const auto& test_case = GetParam();
const bool has_browser_check = !test_case.browser_locale.empty();
const bool has_renderer_check = !test_case.renderer_locale.empty();
if (has_browser_check) {
provider_.spellcheck()->InitializeSpellCheckForLocale(
test_case.browser_locale, /*use_hunspell*/ false);
}
if (has_renderer_check) {
provider_.spellcheck()->InitializeSpellCheckForLocale(
test_case.renderer_locale, /*use_hunspell*/ true);
}
if (test_case.use_spelling_service) {
for (auto& result : test_case.browser_results) {
const_cast<SpellCheckResult&>(result).spelling_service_used = true;
}
}
FakeTextCheckingResult completion;
SpellCheckProvider::HybridSpellCheckRequestInfo request_info = {
/*used_hunspell=*/has_renderer_check,
/*used_native=*/has_browser_check, base::TimeTicks::Now()};
int check_id = provider_.AddCompletionForTest(
std::make_unique<FakeTextCheckingCompletion>(&completion), request_info);
provider_.OnRespondTextCheck(check_id, base::WideToUTF16(test_case.text),
test_case.browser_results);
// Should have called the completion callback without cancellation, and should
// not have initiated more requests.
ASSERT_EQ(completion.completion_count_, 1u);
ASSERT_EQ(completion.cancellation_count_, 0U);
ASSERT_EQ(provider_.spelling_service_call_count_, 0u);
ASSERT_EQ(provider_.text_check_requests_.size(), 0u);
// Should have the expected spell check results.
ASSERT_EQ(test_case.expected_results.size(), completion.results_.size());
for (size_t i = 0; i < test_case.expected_results.size(); ++i) {
const auto& expected = test_case.expected_results[i];
const auto& actual = completion.results_[i];
ASSERT_EQ(expected.decoration, actual.decoration);
ASSERT_EQ(expected.location, actual.location);
ASSERT_EQ(expected.length, actual.length);
if (has_renderer_check) {
// Replacements should have been purged so Blink doesn't cache incomplete
// suggestions.
ASSERT_EQ(actual.replacements.size(), 0u);
} else {
// Replacements should have been kept since they are complete.
ASSERT_GT(actual.replacements.size(), 0u);
}
}
}
#endif // BUILDFLAG(IS_WIN) && BUILDFLAG(USE_BROWSER_SPELLCHECKER)
} // namespace
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