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// Copyright 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <string>
#include "base/basictypes.h"
#include "base/memory/scoped_vector.h"
#include "base/metrics/field_trial.h"
#include "chrome/browser/chrome_notification_types.h"
#include "chrome/browser/search/instant_service.h"
#include "chrome/browser/search/instant_service_observer.h"
#include "chrome/browser/search/instant_unittest_base.h"
#include "chrome/browser/search/search.h"
#include "chrome/browser/ui/browser_instant_controller.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/common/url_constants.h"
#include "content/public/browser/navigation_controller.h"
#include "content/public/browser/render_process_host.h"
#include "content/public/browser/web_contents.h"
#include "content/public/browser/web_contents_observer.h"
namespace chrome {
namespace {
class BrowserInstantControllerTest : public InstantUnitTestBase {
public:
void SetUp() override {
ASSERT_TRUE(base::FieldTrialList::CreateFieldTrial(
"EmbeddedSearch", "Group1 use_cacheable_ntp:1"));
InstantUnitTestBase::SetUp();
}
protected:
friend class FakeWebContentsObserver;
};
const struct TabReloadTestCase {
const char* description;
const char* start_url;
bool start_in_instant_process;
bool should_reload;
bool end_in_instant_process;
} kTabReloadTestCases[] = {
{"Local Embedded NTP", chrome::kChromeSearchLocalNtpUrl,
true, true, true},
{"Remote Embedded NTP", "https://www.google.com/instant?strk",
true, true, false},
{"Remote Embedded SERP", "https://www.google.com/url?strk&bar=search+terms",
true, true, false},
{"Other NTP", "https://bar.com/instant?strk",
false, false, false}
};
class FakeWebContentsObserver : public content::WebContentsObserver {
public:
explicit FakeWebContentsObserver(content::WebContents* contents)
: WebContentsObserver(contents),
contents_(contents),
url_(contents->GetURL()),
num_reloads_(0) {}
void DidStartNavigationToPendingEntry(
const GURL& url,
content::NavigationController::ReloadType reload_type) override {
if (url_ == url)
num_reloads_++;
}
const GURL url() const {
return url_;
}
int num_reloads() const {
return num_reloads_;
}
protected:
friend class BrowserInstantControllerTest;
FRIEND_TEST_ALL_PREFIXES(BrowserInstantControllerTest,
DefaultSearchProviderChanged);
FRIEND_TEST_ALL_PREFIXES(BrowserInstantControllerTest,
GoogleBaseURLUpdated);
private:
content::WebContents* contents_;
const GURL& url_;
int num_reloads_;
};
TEST_F(BrowserInstantControllerTest, DefaultSearchProviderChanged) {
size_t num_tests = arraysize(kTabReloadTestCases);
ScopedVector<FakeWebContentsObserver> observers;
for (size_t i = 0; i < num_tests; ++i) {
const TabReloadTestCase& test = kTabReloadTestCases[i];
AddTab(browser(), GURL(test.start_url));
content::WebContents* contents =
browser()->tab_strip_model()->GetActiveWebContents();
// Validate initial instant state.
EXPECT_EQ(test.start_in_instant_process,
instant_service_->IsInstantProcess(
contents->GetRenderProcessHost()->GetID()))
<< test.description;
// Setup an observer to verify reload or absence thereof.
observers.push_back(new FakeWebContentsObserver(contents));
}
SetUserSelectedDefaultSearchProvider("https://bar.com/");
for (size_t i = 0; i < num_tests; ++i) {
FakeWebContentsObserver* observer = observers[i];
const TabReloadTestCase& test = kTabReloadTestCases[i];
if (test.should_reload) {
// Validate final instant state.
EXPECT_EQ(
test.end_in_instant_process,
chrome::ShouldAssignURLToInstantRenderer(observer->url(), profile()))
<< test.description;
}
// Ensure only the expected tabs(contents) reloaded.
EXPECT_EQ(test.should_reload ? 1 : 0, observer->num_reloads())
<< test.description;
}
}
TEST_F(BrowserInstantControllerTest, GoogleBaseURLUpdated) {
const size_t num_tests = arraysize(kTabReloadTestCases);
ScopedVector<FakeWebContentsObserver> observers;
for (size_t i = 0; i < num_tests; ++i) {
const TabReloadTestCase& test = kTabReloadTestCases[i];
AddTab(browser(), GURL(test.start_url));
content::WebContents* contents =
browser()->tab_strip_model()->GetActiveWebContents();
// Validate initial instant state.
EXPECT_EQ(test.start_in_instant_process,
instant_service_->IsInstantProcess(
contents->GetRenderProcessHost()->GetID()))
<< test.description;
// Setup an observer to verify reload or absence thereof.
observers.push_back(new FakeWebContentsObserver(contents));
}
NotifyGoogleBaseURLUpdate("https://www.google.es/");
for (size_t i = 0; i < num_tests; ++i) {
const TabReloadTestCase& test = kTabReloadTestCases[i];
FakeWebContentsObserver* observer = observers[i];
if (test.should_reload) {
// Validate final instant state.
EXPECT_EQ(
test.end_in_instant_process,
chrome::ShouldAssignURLToInstantRenderer(observer->url(), profile()))
<< test.description;
}
// Ensure only the expected tabs(contents) reloaded.
EXPECT_EQ(test.should_reload ? 1 : 0, observer->num_reloads())
<< test.description;
}
}
TEST_F(BrowserInstantControllerTest, BrowserWindowLifecycle) {
scoped_ptr<BrowserWindow> window(CreateBrowserWindow());
Browser::CreateParams params(profile(), chrome::HOST_DESKTOP_TYPE_NATIVE);
params.window = window.get();
scoped_ptr<Browser> browser(new Browser(params));
InstantServiceObserver* bic;
bic = browser->instant_controller();
EXPECT_TRUE(IsInstantServiceObserver(bic))
<< "New BrowserInstantController should register as InstantServiceObserver";
browser.reset(NULL);
window.reset(NULL);
EXPECT_FALSE(IsInstantServiceObserver(bic))
<< "New BrowserInstantController should register as InstantServiceObserver";
}
} // namespace
} // namespace chrome
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