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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <utility>
#include "components/continuous_search/common/public/mojom/continuous_search.mojom.h"
#include "components/continuous_search/renderer/config.h"
#include "components/continuous_search/renderer/search_result_extractor_impl.h"
#include "content/public/renderer/render_frame.h"
#include "content/public/test/render_view_test.h"
#include "third_party/blink/public/web/web_document.h"
#include "third_party/blink/public/web/web_local_frame.h"
namespace continuous_search {
class SearchResultExtractorImplRenderViewTest : public content::RenderViewTest {
public:
SearchResultExtractorImplRenderViewTest() = default;
~SearchResultExtractorImplRenderViewTest() override = default;
// Loads the contents of `html` and attempts to extract data. Caller should
// provide the `expected_status` and `expected_results` which are used to
// verify the extraction behaved as intended. Note that
// `expected_results->document_url` will be overwritten with the document url
// once the provided `html` is loaded.
void LoadHtmlAndExpectExtractedOutput(
base::StringPiece html,
const std::vector<mojom::ResultType>& result_types,
mojom::SearchResultExtractor::Status expected_status,
mojom::CategoryResultsPtr expected_results) {
LoadHTML(html.data());
expected_results->document_url =
GURL(GetMainRenderFrame()->GetWebFrame()->GetDocument().Url());
base::RunLoop loop;
mojom::SearchResultExtractor::Status out_status;
mojom::CategoryResultsPtr out_results;
{
auto* extractor = SearchResultExtractorImpl::Create(GetMainRenderFrame());
EXPECT_NE(extractor, nullptr);
extractor->ExtractCurrentSearchResults(
result_types, base::BindOnce(
[](base::OnceClosure quit,
mojom::SearchResultExtractor::Status* out_status,
mojom::CategoryResultsPtr* out_results,
mojom::SearchResultExtractor::Status status,
mojom::CategoryResultsPtr results) {
*out_status = status;
*out_results = std::move(results);
std::move(quit).Run();
},
loop.QuitClosure(), base::Unretained(&out_status),
base::Unretained(&out_results)));
loop.Run();
}
EXPECT_EQ(expected_status, out_status);
EXPECT_TRUE(expected_results.Equals(out_results));
}
};
TEST_F(SearchResultExtractorImplRenderViewTest, TestExtractResultsOnly) {
auto result1 = mojom::SearchResult::New();
result1->link = GURL("https://www.foo.com/");
result1->title = u"Foo";
auto result2 = mojom::SearchResult::New();
result2->link = GURL("https://www.bar.com/");
result2->title = u"Bar";
auto result_group = mojom::ResultGroup::New();
result_group->type = mojom::ResultType::kSearchResults;
result_group->results.push_back(std::move(result1));
result_group->results.push_back(std::move(result2));
auto expected_results = mojom::CategoryResults::New();
expected_results->category_type = mojom::Category::kOrganic;
expected_results->groups.push_back(std::move(result_group));
LoadHtmlAndExpectExtractedOutput(
R"(<!doctype html>
<body>
<div>
<div></div>
<div id="tads">
<div>
<div class="mnr-c foo">
<a href="https://www.example.com/">
<div></div>
<div role="heading">
<div>Hello</div>
</div>
</a>
</div>
</div>
</div>
<div id="rso">
<div class="mnr-c">
<div></div>
<div>
<a href="https://www.foo.com/">
<div role="heading">Foo </div>
</a>
</div>
</div>
<div class="mnr-c">
<div></div>
<div>
<a href="https://www.bar.com/">
<div role="heading">Bar
</div>
</a>
</div>
</div>
<div class="alpha">
<div></div>
<div>
<a href="https://www.beta.com/">
<div role="heading">Beta</div>
</a>
</div>
</div>
</div>
</div>
</body>)",
{mojom::ResultType::kSearchResults},
mojom::SearchResultExtractor::Status::kSuccess,
std::move(expected_results));
}
TEST_F(SearchResultExtractorImplRenderViewTest, TestExtractRelatedSearches) {
Config config;
config.related_searches_id = "someid";
config.related_searches_anchor_classname = "someanchor";
config.related_searches_title_classname = "sometitle";
SetConfigForTesting(config);
auto result1 = mojom::SearchResult::New();
result1->link = GURL("https://www.example1.com/");
result1->title = u"Related 1";
auto result2 = mojom::SearchResult::New();
result2->link = GURL("https://www.example2.com/");
result2->title = u"Related 2";
auto related_searches_group = mojom::ResultGroup::New();
related_searches_group->type = mojom::ResultType::kRelatedSearches;
related_searches_group->results.push_back(std::move(result1));
related_searches_group->results.push_back(std::move(result2));
auto expected_results = mojom::CategoryResults::New();
expected_results->category_type = mojom::Category::kOrganic;
expected_results->groups.push_back(std::move(related_searches_group));
LoadHtmlAndExpectExtractedOutput(
R"(<!doctype html>
<body>
<div id="someid">
<div class="foo">
<a href="https://www.example1.com/" class="someanchor bar">
<div class="sometitle bar">
<span>Related 1</span>
</div>
</a>
<a href="https://www.example2.com/" class="someanchor baz">
<div class="sometitle baz">
<span>Related 2</span>
</div>
</a>
</div>
<div class="mnr-c bar">
<a href="https://www.example1.com/" class="someanchor buz">
<div>
<span>Skipped</span>
</div>
</a>
</div>
</div>
</body>)",
{mojom::ResultType::kRelatedSearches},
mojom::SearchResultExtractor::Status::kSuccess,
std::move(expected_results));
}
// The tests below this line are intended to test the branching of the
// extractor. The goal is to ensure there are no scenarios where the extraction
// might crash/fail if an almost correct result is presented.
TEST_F(SearchResultExtractorImplRenderViewTest,
TestExtractRelatedSearchesNoId) {
// No id="w3bYAd".
LoadHtmlAndExpectExtractedOutput(
R"(<!doctype html>
<body>
<div>
<a href="https://www.example1.com/" class="k8XOCe bar">
<div class="s75CSd bar">
<span>Related 1</span>
</div>
</a>
</div>
</body>)",
{mojom::ResultType::kRelatedSearches},
mojom::SearchResultExtractor::Status::kNoResults,
mojom::CategoryResults::New());
}
TEST_F(SearchResultExtractorImplRenderViewTest,
TestExtractRelatedSearchesNoAnchors) {
// No anchors.
LoadHtmlAndExpectExtractedOutput(
R"(<!doctype html>
<body>
<div id="w3bYAd">
</div>
</body>)",
{mojom::ResultType::kRelatedSearches},
mojom::SearchResultExtractor::Status::kNoResults,
mojom::CategoryResults::New());
}
TEST_F(SearchResultExtractorImplRenderViewTest,
TestExtractRelatedSearchesNoAnchorClass) {
// No "k8XOCe" class on anchors.
LoadHtmlAndExpectExtractedOutput(
R"(<!doctype html>
<body>
<div id="w3bYAd">
<a href="https://www.example1.com/" class="bar">
<div class="s75CSd bar">
<span>Related 1</span>
</div>
</a>
</div>
</body>)",
{mojom::ResultType::kRelatedSearches},
mojom::SearchResultExtractor::Status::kNoResults,
mojom::CategoryResults::New());
}
TEST_F(SearchResultExtractorImplRenderViewTest,
TestExtractRelatedSearchesNoTitleClass) {
// No "s75CSd" class on title div.
LoadHtmlAndExpectExtractedOutput(
R"(<!doctype html>
<body>
<div id="w3bYAd">
<a href="https://www.example1.com/" class="k8XOCe bar">
<div class="bar">
<span>Related 1</span>
</div>
</a>
</div>
</body>)",
{mojom::ResultType::kRelatedSearches},
mojom::SearchResultExtractor::Status::kNoResults,
mojom::CategoryResults::New());
}
TEST_F(SearchResultExtractorImplRenderViewTest, TestExtractResultsNoRso) {
// No class="rso".
LoadHtmlAndExpectExtractedOutput(
R"(<!doctype html>
<body>
<div>
<div class="mnr-c">
<a href="https://www.foo.com/">
<div role="heading">Foo</div>
</a>
</div>
</div>
</body>)",
{mojom::ResultType::kSearchResults},
mojom::SearchResultExtractor::Status::kNoResults,
mojom::CategoryResults::New());
}
TEST_F(SearchResultExtractorImplRenderViewTest, TestExtractResultsNoDivs) {
// No divs inside "rso".
LoadHtmlAndExpectExtractedOutput(
R"(<!doctype html>
<body>
<div id="rso">
<a href="https://www.foo.com/">
<span role="heading">Foo</span>
</a>
</div>
</body>)",
{mojom::ResultType::kSearchResults},
mojom::SearchResultExtractor::Status::kNoResults,
mojom::CategoryResults::New());
}
TEST_F(SearchResultExtractorImplRenderViewTest,
TestExtractResultsNoMnrCardNoClass) {
// No class attribute on inner divs.
LoadHtmlAndExpectExtractedOutput(
R"(<!doctype html>
<body>
<div id="rso">
<div>
<a href="https://www.foo.com/">
<div role="heading">Foo</div>
</a>
</div>
</div>
</body>)",
{mojom::ResultType::kSearchResults},
mojom::SearchResultExtractor::Status::kNoResults,
mojom::CategoryResults::New());
}
TEST_F(SearchResultExtractorImplRenderViewTest,
TestExtractNoMnrCardNotFirstClass) {
// mnr-c is the second class.
LoadHtmlAndExpectExtractedOutput(
R"(<!doctype html>
<body>
<div id="rso">
<div class="foo mnr-c">
<a href="https://www.foo.com/">
<div role="heading">Foo</div>
</a>
</div>
</div>
</body>)",
{mojom::ResultType::kSearchResults},
mojom::SearchResultExtractor::Status::kNoResults,
mojom::CategoryResults::New());
}
TEST_F(SearchResultExtractorImplRenderViewTest,
TestExtractResultsNoLinkNoAnchor) {
// No anchor inside mnr-c.
LoadHtmlAndExpectExtractedOutput(
R"(<!doctype html>
<body>
<div id="rso">
<div class="mnr-c">
<div href="https://www.foo.com/">
<div role="heading">Foo</div>
</div>
</div>
</div>
</body>)",
{mojom::ResultType::kSearchResults},
mojom::SearchResultExtractor::Status::kNoResults,
mojom::CategoryResults::New());
}
TEST_F(SearchResultExtractorImplRenderViewTest,
TestExtractResultsNoLinkNoHref) {
// No href for the anchor.
LoadHtmlAndExpectExtractedOutput(
R"(<!doctype html>
<body>
<div id="rso">
<div class="mnr-c">
<a>
<div role="heading">Foo</div>
</a>
</div>
</div>
</body>)",
{mojom::ResultType::kSearchResults},
mojom::SearchResultExtractor::Status::kNoResults,
mojom::CategoryResults::New());
}
TEST_F(SearchResultExtractorImplRenderViewTest,
TestExtractResultsNoLinkEmptyHref) {
// Empty href.
LoadHtmlAndExpectExtractedOutput(
R"(<!doctype html>
<body>
<div id="rso">
<div class="mnr-c">
<a href="">
<div role="heading">Foo</div>
</a>
</div>
</div>
</body>)",
{mojom::ResultType::kSearchResults},
mojom::SearchResultExtractor::Status::kNoResults,
mojom::CategoryResults::New());
}
TEST_F(SearchResultExtractorImplRenderViewTest,
TestExtractResultsNoLinkWrongScheme) {
// href is not http/https.
LoadHtmlAndExpectExtractedOutput(
R"(<!doctype html>
<body>
<div id="rso">
<div class="mnr-c">
<a href="mailto:foo@example.com">
<div role="heading">Foo</div>
</a>
</div>
</div>
</body>)",
{mojom::ResultType::kSearchResults},
mojom::SearchResultExtractor::Status::kNoResults,
mojom::CategoryResults::New());
}
TEST_F(SearchResultExtractorImplRenderViewTest,
TestExtractResultsNoTitleNoDiv) {
// No inner div.
LoadHtmlAndExpectExtractedOutput(
R"(<!doctype html>
<body>
<div id="rso">
<div class="mnr-c">
<a href="https://www.foo.com/">
Foo
</a>
</div>
</div>
</body>)",
{mojom::ResultType::kSearchResults},
mojom::SearchResultExtractor::Status::kNoResults,
mojom::CategoryResults::New());
}
TEST_F(SearchResultExtractorImplRenderViewTest,
TestExtractResultsNoTitleNoRole) {
// Inner div has no role.
LoadHtmlAndExpectExtractedOutput(
R"(<!doctype html>
<body>
<div id="rso">
<div class="mnr-c">
<a href="https://www.foo.com/">
<div>Foo</div>
</a>
</div>
</div>
</body>)",
{mojom::ResultType::kSearchResults},
mojom::SearchResultExtractor::Status::kNoResults,
mojom::CategoryResults::New());
}
TEST_F(SearchResultExtractorImplRenderViewTest,
TestExtractResultsNoTitleNotDivHeading) {
// Not a div, but role="heading".
LoadHtmlAndExpectExtractedOutput(
R"(<!doctype html>
<body>
<div id="rso">
<div class="mnr-c">
<a href="https://www.bar.com/" role="heading">
<span role="heading">Bar</span>
</a>
</div>
</div>
</body>)",
{mojom::ResultType::kSearchResults},
mojom::SearchResultExtractor::Status::kNoResults,
mojom::CategoryResults::New());
}
TEST_F(SearchResultExtractorImplRenderViewTest,
TestExtractResultsNoTitleNoText) {
// No text.
LoadHtmlAndExpectExtractedOutput(
R"(<!doctype html>
<body>
<div id="rso">
<div class="mnr-c">
<a href="https://www.baz.com/">
<div role="heading"></div>
</a>
</div>
</div>
</body>)",
{mojom::ResultType::kSearchResults},
mojom::SearchResultExtractor::Status::kNoResults,
mojom::CategoryResults::New());
}
} // namespace continuous_search
|
