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// Copyright 2012 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ash/settings/stub_cros_settings_provider.h"
#include <memory>
#include <string>
#include "base/functional/bind.h"
#include "base/functional/callback_helpers.h"
#include "base/values.h"
#include "chromeos/ash/components/settings/cros_settings_names.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace ash {
class StubCrosSettingsProviderTest : public testing::Test {
protected:
StubCrosSettingsProviderTest()
: provider_(new StubCrosSettingsProvider(
base::BindRepeating(&StubCrosSettingsProviderTest::FireObservers,
base::Unretained(this)))) {}
~StubCrosSettingsProviderTest() override = default;
void SetUp() override {
// Reset the observer notification count.
observer_count_.clear();
}
void AssertPref(const std::string& prefName, const base::Value* value) {
const base::Value* pref = provider_->Get(prefName);
ASSERT_TRUE(pref);
ASSERT_EQ(*pref, *value);
}
void ExpectObservers(const std::string& prefName, int count) {
EXPECT_EQ(observer_count_[prefName], count);
}
void FireObservers(const std::string& path) {
observer_count_[path]++;
}
// Callback passed to StubCrosSettingsProvider depends on observer_count_,
// so declare it first.
std::map<std::string, int> observer_count_;
std::unique_ptr<StubCrosSettingsProvider> provider_;
};
TEST_F(StubCrosSettingsProviderTest, HandlesSettings) {
// HandlesSettings should return false for unknown settings.
ASSERT_TRUE(provider_->HandlesSetting(kDeviceOwner));
ASSERT_FALSE(provider_->HandlesSetting("no.such.setting"));
}
TEST_F(StubCrosSettingsProviderTest, Defaults) {
// Verify default values.
const base::Value kTrueValue(true);
AssertPref(kAccountsPrefAllowGuest, &kTrueValue);
AssertPref(kAccountsPrefAllowNewUser, &kTrueValue);
AssertPref(kAccountsPrefShowUserNamesOnSignIn, &kTrueValue);
const base::Value kFalseValue(false);
AssertPref(kAccountsPrefFamilyLinkAccountsAllowed, &kFalseValue);
}
TEST_F(StubCrosSettingsProviderTest, Set) {
// Setting value and reading it afterwards returns the same value.
base::Value owner_value("me@owner");
provider_->Set(kDeviceOwner, owner_value);
AssertPref(kDeviceOwner, &owner_value);
ExpectObservers(kDeviceOwner, 1);
}
TEST_F(StubCrosSettingsProviderTest, SetMissing) {
// Setting is missing initially but is added by |Set|.
base::Value pref_value("testing");
ASSERT_FALSE(provider_->Get(kReleaseChannel));
provider_->Set(kReleaseChannel, pref_value);
AssertPref(kReleaseChannel, &pref_value);
ExpectObservers(kReleaseChannel, 1);
}
TEST_F(StubCrosSettingsProviderTest, PrepareTrustedValues) {
// Should return immediately without invoking the callback.
base::OnceClosure closure = base::BindOnce([]() { FAIL(); });
CrosSettingsProvider::TrustedStatus trusted =
provider_->PrepareTrustedValues(&closure);
EXPECT_EQ(CrosSettingsProvider::TRUSTED, trusted);
EXPECT_TRUE(closure); // The |closure| was not taken or run.
}
} // namespace ash
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