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// Copyright 2013 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include <memory>
#include "base/strings/string_util.h"
#include "base/test/metrics/histogram_tester.h"
#include "chrome/browser/ash/policy/core/device_policy_cros_browser_test.h"
#include "chrome/browser/browser_process.h"
#include "chrome/test/base/testing_browser_process.h"
#include "components/policy/proto/chrome_device_policy.pb.h"
#include "components/variations/client_filterable_state.h"
#include "components/variations/service/variations_service.h"
#include "components/variations/variations_switches.h"
#include "content/public/test/browser_test.h"
#include "net/base/url_util.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace policy {
class DeviceVariationsRestrictParameterPolicyTest
: public DevicePolicyCrosBrowserTest {
protected:
DeviceVariationsRestrictParameterPolicyTest() = default;
~DeviceVariationsRestrictParameterPolicyTest() override = default;
DeviceVariationsRestrictParameterPolicyTest(
const DeviceVariationsRestrictParameterPolicyTest& other) = delete;
DeviceVariationsRestrictParameterPolicyTest& operator=(
const DeviceVariationsRestrictParameterPolicyTest& other) = delete;
void SetUpInProcessBrowserTestFixture() override {
DevicePolicyCrosBrowserTest::SetUpInProcessBrowserTestFixture();
// Setup the device policy DeviceVariationsRestrictParameter.
enterprise_management::ChromeDeviceSettingsProto& proto(
device_policy()->payload());
proto.mutable_variations_parameter()->set_parameter("restricted");
RefreshDevicePolicy();
}
};
IN_PROC_BROWSER_TEST_F(DeviceVariationsRestrictParameterPolicyTest,
VariationsURLValid) {
const std::string default_variations_url =
variations::VariationsService::GetDefaultVariationsServerURLForTesting();
// Device policy has updated the cros settings.
const GURL url =
g_browser_process->variations_service()->GetVariationsServerURL(
variations::VariationsService::HttpOptions::USE_HTTPS);
EXPECT_TRUE(base::StartsWith(url.spec(), default_variations_url,
base::CompareCase::SENSITIVE));
std::string value;
EXPECT_TRUE(net::GetValueForKeyInQuery(url, "restrict", &value));
EXPECT_EQ("restricted", value);
}
class DeviceChromeVariationsPolicyTest : public DevicePolicyCrosBrowserTest {
protected:
DeviceChromeVariationsPolicyTest() = default;
~DeviceChromeVariationsPolicyTest() override = default;
DeviceChromeVariationsPolicyTest(
const DeviceChromeVariationsPolicyTest& other) = delete;
DeviceChromeVariationsPolicyTest& operator=(
const DeviceChromeVariationsPolicyTest& other) = delete;
void SetUpInProcessBrowserTestFixture() override {
DevicePolicyCrosBrowserTest::SetUpInProcessBrowserTestFixture();
// Setup the device policy DeviceVariationsRestrictParameter.
enterprise_management::ChromeDeviceSettingsProto& proto(
device_policy()->payload());
proto.mutable_device_chrome_variations_type()->set_value(2);
RefreshDevicePolicy();
}
void SetUpCommandLine(base::CommandLine* command_line) override {
DevicePolicyCrosBrowserTest::SetUpCommandLine(command_line);
// This makes sure that the the field trials are not initialized from a
// testing config, taking into account the restrictions.
command_line->AppendSwitch(
variations::switches::kDisableFieldTrialTestingConfig);
}
base::HistogramTester histogram_tester_;
};
// It is expected that the first run of the browser that fetches a
// DeviceChromeVariations policy value does not apply it yet (because it is
// evaluated too early). The PRE_ test thus still expects NO_RESTRICTIONS.
IN_PROC_BROWSER_TEST_F(DeviceChromeVariationsPolicyTest, PRE_PolicyApplied) {
// This uses the UMA histogram to verify the state of the PolicyRestriction at
// the time it was evaluated (early in browser process initialization).
histogram_tester_.ExpectUniqueSample(
"Variations.PolicyRestriction",
variations::RestrictionPolicy::NO_RESTRICTIONS, 1 /*count*/);
}
// This is after a restart of the chrome process - the restrictions now apply.
IN_PROC_BROWSER_TEST_F(DeviceChromeVariationsPolicyTest, PolicyApplied) {
// This uses the UMA histogram to verify the state of the PolicyRestriction at
// the time it was evaluated (early in browser process initialization).
histogram_tester_.ExpectUniqueSample("Variations.PolicyRestriction",
variations::RestrictionPolicy::ALL,
1 /*count*/);
}
} // namespace policy
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