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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "components/dom_distiller/core/viewer.h"
#include <memory>
#include "base/test/scoped_feature_list.h"
#include "components/dom_distiller/core/distilled_page_prefs.h"
#include "components/dom_distiller/core/distiller_ui_handle.h"
#include "components/dom_distiller/core/dom_distiller_features.h"
#include "components/dom_distiller/core/dom_distiller_service.h"
#include "components/dom_distiller/core/task_tracker.h"
#include "components/dom_distiller/core/url_constants.h"
#include "components/dom_distiller/core/url_utils.h"
#include "components/strings/grit/components_strings.h"
#include "net/base/url_util.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/base/l10n/l10n_util.h"
#include "url/url_util.h"
namespace dom_distiller {
namespace {
const GURL GetDistillerViewUrlFromUrl(const std::string& url) {
return url_utils::GetDistillerViewUrlFromUrl(kDomDistillerScheme, GURL(url),
"Title");
}
const GURL GetDistillerViewUrlFromEntryId(const std::string& id) {
return url_utils::GetDistillerViewUrlFromEntryId(kDomDistillerScheme, id);
}
} // namespace
class FakeViewRequestDelegate : public ViewRequestDelegate {
public:
~FakeViewRequestDelegate() override = default;
MOCK_METHOD1(OnArticleReady, void(const DistilledArticleProto* proto));
MOCK_METHOD1(OnArticleUpdated,
void(ArticleDistillationUpdate article_update));
};
class TestDomDistillerService : public DomDistillerServiceInterface {
public:
TestDomDistillerService() = default;
~TestDomDistillerService() override = default;
MOCK_METHOD0(ViewUrlImpl, ViewerHandle*());
std::unique_ptr<ViewerHandle> ViewUrl(
ViewRequestDelegate*,
std::unique_ptr<DistillerPage> distiller_page,
const GURL&) override {
return std::unique_ptr<ViewerHandle>(ViewUrlImpl());
}
std::unique_ptr<DistillerPage> CreateDefaultDistillerPage(
const gfx::Size& render_view_size) override {
return nullptr;
}
std::unique_ptr<DistillerPage> CreateDefaultDistillerPageWithHandle(
std::unique_ptr<SourcePageHandle> handle) override {
return nullptr;
}
DistilledPagePrefs* GetDistilledPagePrefs() override;
DistillerUIHandle* GetDistillerUIHandle() override;
};
class DomDistillerViewerTest : public testing::Test {
public:
void SetUp() override {
service_ = std::make_unique<TestDomDistillerService>();
}
protected:
std::unique_ptr<ViewerHandle> CreateViewRequest(
const GURL& url,
ViewRequestDelegate* view_request_delegate) {
return viewer::CreateViewRequest(service_.get(), url, view_request_delegate,
gfx::Size());
}
std::unique_ptr<TestDomDistillerService> service_;
};
TEST_F(DomDistillerViewerTest, TestCreatingViewUrlRequest) {
std::unique_ptr<FakeViewRequestDelegate> view_request_delegate(
new FakeViewRequestDelegate());
ViewerHandle* viewer_handle(new ViewerHandle(ViewerHandle::CancelCallback()));
EXPECT_CALL(*service_, ViewUrlImpl())
.WillOnce(testing::Return(viewer_handle));
CreateViewRequest(GetDistillerViewUrlFromUrl("http://www.example.com/"),
view_request_delegate.get());
}
TEST_F(DomDistillerViewerTest, TestCreatingInvalidViewRequest) {
std::unique_ptr<FakeViewRequestDelegate> view_request_delegate(
new FakeViewRequestDelegate());
EXPECT_CALL(*service_, ViewUrlImpl()).Times(0);
// Specify none of the required query parameters.
CreateViewRequest(GURL(std::string(kDomDistillerScheme) + "://host?foo=bar"),
view_request_delegate.get());
// Specify both of the required query parameters.
CreateViewRequest(net::AppendOrReplaceQueryParameter(
GetDistillerViewUrlFromUrl("http://www.example.com/"),
kEntryIdKey, "abc-def"),
view_request_delegate.get());
// Specify an internal Chrome page.
CreateViewRequest(GetDistillerViewUrlFromUrl("chrome://settings/"),
view_request_delegate.get());
// Specify a recursive URL.
CreateViewRequest(GetDistillerViewUrlFromUrl(
GetDistillerViewUrlFromEntryId("abc-def").spec()),
view_request_delegate.get());
// Specify a non-distilled URL.
CreateViewRequest(GURL("https://example.com"), view_request_delegate.get());
// Specify an empty URL.
CreateViewRequest(GURL(), view_request_delegate.get());
}
DistilledPagePrefs* TestDomDistillerService::GetDistilledPagePrefs() {
return nullptr;
}
DistillerUIHandle* TestDomDistillerService::GetDistillerUIHandle() {
return nullptr;
}
TEST_F(DomDistillerViewerTest, TestGetDistilledPageThemeJsOutput) {
std::string kDarkJs = "useTheme('dark');";
std::string kSepiaJs = "useTheme('sepia');";
std::string kLightJs = "useTheme('light');";
EXPECT_EQ(
kDarkJs.compare(viewer::GetDistilledPageThemeJs(mojom::Theme::kDark)), 0);
EXPECT_EQ(
kLightJs.compare(viewer::GetDistilledPageThemeJs(mojom::Theme::kLight)),
0);
EXPECT_EQ(
kSepiaJs.compare(viewer::GetDistilledPageThemeJs(mojom::Theme::kSepia)),
0);
}
TEST_F(DomDistillerViewerTest, TestGetDistilledPageFontFamilyJsOutput) {
std::string kSerifJsFontFamily = "useFontFamily('serif');";
std::string kMonospaceJsFontFamily = "useFontFamily('monospace');";
std::string kSansSerifJsFontFamily = "useFontFamily('sans-serif');";
EXPECT_EQ(kSerifJsFontFamily.compare(viewer::GetDistilledPageFontFamilyJs(
mojom::FontFamily::kSerif)),
0);
EXPECT_EQ(kMonospaceJsFontFamily.compare(viewer::GetDistilledPageFontFamilyJs(
mojom::FontFamily::kMonospace)),
0);
EXPECT_EQ(kSansSerifJsFontFamily.compare(viewer::GetDistilledPageFontFamilyJs(
mojom::FontFamily::kSansSerif)),
0);
}
TEST_F(DomDistillerViewerTest, TestGetDistilledPageFontScalingJsOutput) {
std::string kJsFontScaling = "useFontScaling(5);";
EXPECT_EQ(kJsFontScaling.compare(viewer::GetDistilledPageFontScalingJs(5)),
0);
}
TEST_F(DomDistillerViewerTest, TestGetAddToPageJsEmptyDisplaysDefault) {
std::string output = viewer::GetAddToPageJs("");
std::string expected_output =
"addToPage(\"" +
l10n_util::GetStringUTF8(IDS_DOM_DISTILLER_VIEWER_NO_DATA_CONTENT) +
"\");";
EXPECT_EQ(output, expected_output);
}
TEST_F(DomDistillerViewerTest, TestGetAddToPageJsDisplaysContent) {
std::string output = viewer::GetAddToPageJs("content");
EXPECT_EQ(output, "addToPage(\"content\");");
}
TEST_F(DomDistillerViewerTest, TestGetJavaScriptPinchMinZoom_Default) {
base::test::ScopedFeatureList scoped_feature_list;
#if BUILDFLAG(IS_ANDROID)
scoped_feature_list.InitAndDisableFeature(kReaderModeDistillInApp);
#endif
std::string output = viewer::GetJavaScript();
EXPECT_THAT(output, testing::ContainsRegex(
"this\\.clampedScale\\s*=\\s*Math\\.max\\(0\\.5,"));
}
TEST_F(DomDistillerViewerTest, TestGetJavaScriptPinchMinZoom_DistillInApp) {
#if BUILDFLAG(IS_ANDROID)
base::test::ScopedFeatureList scoped_feature_list;
scoped_feature_list.InitAndEnableFeature(kReaderModeDistillInApp);
std::string output = viewer::GetJavaScript();
EXPECT_THAT(output, testing::ContainsRegex(
"this\\.clampedScale\\s*=\\s*Math\\.max\\(1\\.0,"));
#else
SUCCEED();
#endif
}
} // namespace dom_distiller
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