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// Copyright 2017 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 "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "content/browser/browser_interface_binders.h"
#include "content/browser/renderer_host/render_process_host_impl.h"
#include "content/public/browser/web_contents.h"
#include "content/public/test/browser_test.h"
#include "content/public/test/browser_test_utils.h"
#include "content/public/test/content_browser_test.h"
#include "content/public/test/content_browser_test_utils.h"
#include "content/public/test/test_navigation_observer.h"
#include "content/public/test/test_utils.h"
#include "content/shell/browser/shell.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/receiver.h"
#include "services/device/public/mojom/battery_monitor.mojom.h"
#include "services/device/public/mojom/battery_status.mojom.h"
namespace content {
namespace {
class MockBatteryMonitor : public device::mojom::BatteryMonitor {
public:
MockBatteryMonitor() = default;
MockBatteryMonitor(const MockBatteryMonitor&) = delete;
MockBatteryMonitor& operator=(const MockBatteryMonitor&) = delete;
~MockBatteryMonitor() override = default;
void Bind(mojo::PendingReceiver<device::mojom::BatteryMonitor> receiver) {
DCHECK(!receiver_.is_bound());
receiver_.Bind(std::move(receiver));
}
void DidChange(const device::mojom::BatteryStatus& battery_status) {
status_ = battery_status;
status_to_report_ = true;
if (!callback_.is_null())
ReportStatus();
}
private:
// mojom::BatteryMonitor methods:
void QueryNextStatus(QueryNextStatusCallback callback) override {
if (!callback_.is_null()) {
DVLOG(1) << "Overlapped call to QueryNextStatus!";
receiver_.reset();
return;
}
callback_ = std::move(callback);
if (status_to_report_)
ReportStatus();
}
void ReportStatus() {
std::move(callback_).Run(status_.Clone());
status_to_report_ = false;
}
QueryNextStatusCallback callback_;
device::mojom::BatteryStatus status_;
bool status_to_report_ = false;
mojo::Receiver<device::mojom::BatteryMonitor> receiver_{this};
};
class BatteryMonitorTest : public ContentBrowserTest {
public:
BatteryMonitorTest() {
mock_battery_monitor_ = std::make_unique<MockBatteryMonitor>();
// Because Device Service also runs in this process(browser process), here
// we can directly set our binder to intercept interface requests against
// it.
OverrideBatteryMonitorBinderForTesting(
base::BindRepeating(&MockBatteryMonitor::Bind,
base::Unretained(mock_battery_monitor_.get())));
}
BatteryMonitorTest(const BatteryMonitorTest&) = delete;
BatteryMonitorTest& operator=(const BatteryMonitorTest&) = delete;
~BatteryMonitorTest() override {
OverrideBatteryMonitorBinderForTesting(base::NullCallback());
}
protected:
MockBatteryMonitor* mock_battery_monitor() {
return mock_battery_monitor_.get();
}
private:
std::unique_ptr<MockBatteryMonitor> mock_battery_monitor_;
};
IN_PROC_BROWSER_TEST_F(BatteryMonitorTest, NavigatorGetBatteryInfo) {
// From JavaScript request a promise for the battery status information and
// once it resolves check the values and navigate to #pass.
device::mojom::BatteryStatus status;
status.charging = true;
status.charging_time = 100;
status.discharging_time = std::numeric_limits<double>::infinity();
status.level = 0.5;
mock_battery_monitor()->DidChange(status);
GURL test_url = GetTestUrl("battery_monitor",
"battery_status_promise_resolution_test.html");
NavigateToURLBlockUntilNavigationsComplete(shell(), test_url, 2);
EXPECT_EQ("pass", shell()->web_contents()->GetLastCommittedURL().ref());
}
IN_PROC_BROWSER_TEST_F(BatteryMonitorTest, NavigatorGetBatteryListenChange) {
// From JavaScript request a promise for the battery status information.
// Once it resolves add an event listener for battery level change. Set
// battery level to 0.6 and invoke update. Check that the event listener
// is invoked with the correct value for level and navigate to #pass.
device::mojom::BatteryStatus status;
mock_battery_monitor()->DidChange(status);
TestNavigationObserver same_tab_observer(shell()->web_contents(), 2);
GURL test_url =
GetTestUrl("battery_monitor", "battery_status_event_listener_test.html");
shell()->LoadURL(test_url);
same_tab_observer.Wait();
EXPECT_EQ("resolved", shell()->web_contents()->GetLastCommittedURL().ref());
TestNavigationObserver same_tab_observer2(shell()->web_contents(), 1);
status.level = 0.6;
mock_battery_monitor()->DidChange(status);
same_tab_observer2.Wait();
EXPECT_EQ("pass", shell()->web_contents()->GetLastCommittedURL().ref());
}
} // namespace
} // namespace content
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