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// Copyright 2022 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/dbus/chrome_features_service_provider.h"
#include "base/feature_list.h"
#include "base/test/scoped_feature_list.h"
#include "dbus/message.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace ash {
namespace {
void ResponseSenderCallback(const std::string& expected_message,
std::unique_ptr<dbus::Response> response) {
EXPECT_EQ(expected_message, response->ToString());
}
} // namespace
class ChromeFeaturesServiceProviderTest : public testing::Test {
protected:
void GetFeatureParams(dbus::MethodCall* method_call, std::string expected) {
provider_->GetFeatureParams(
method_call, base::BindOnce(&ResponseSenderCallback, expected));
}
void IsFeatureEnabled(dbus::MethodCall* method_call, std::string expected) {
provider_->IsFeatureEnabled(
method_call, base::BindOnce(&ResponseSenderCallback, expected));
}
std::unique_ptr<ChromeFeaturesServiceProvider> provider_;
};
TEST_F(ChromeFeaturesServiceProviderTest, IsFeatureEnabled_Success) {
auto feature_list = std::make_unique<base::FeatureList>();
auto feature_list_accessor = feature_list->ConstructAccessor();
const char enabled[] = "CrOSLateBootA";
const char disabled[] = "";
feature_list->InitFromCommandLine(enabled, disabled);
base::test::ScopedFeatureList scoped_feature_list;
scoped_feature_list.InitWithFeatureList(std::move(feature_list));
provider_ = std::make_unique<ChromeFeaturesServiceProvider>(
std::move(feature_list_accessor));
const char kExpectedMessage[] =
R"--(message_type: MESSAGE_METHOD_RETURN
signature: b
reply_serial: 123
bool true
)--";
dbus::MethodCall method_call("com.example.Interface", "SomeMethod");
dbus::MessageWriter writer(&method_call);
writer.AppendString("CrOSLateBootA");
// Not setting the serial causes a crash.
method_call.SetSerial(123);
IsFeatureEnabled(&method_call, kExpectedMessage);
}
TEST_F(ChromeFeaturesServiceProviderTest, IsFeatureEnabled_UnknownFeature) {
auto feature_list = std::make_unique<base::FeatureList>();
auto feature_list_accessor = feature_list->ConstructAccessor();
const char enabled[] = "CrOSLateBootA";
const char disabled[] = "";
feature_list->InitFromCommandLine(enabled, disabled);
base::test::ScopedFeatureList scoped_feature_list;
scoped_feature_list.InitWithFeatureList(std::move(feature_list));
provider_ = std::make_unique<ChromeFeaturesServiceProvider>(
std::move(feature_list_accessor));
const char kExpectedMessage[] =
R"--(message_type: MESSAGE_ERROR
error_name: org.freedesktop.DBus.Error.InvalidArgs
signature: s
reply_serial: 123
string "Chrome can't get state for 'CrOSLateBootB'; feature_library will decide"
)--";
dbus::MethodCall method_call("com.example.Interface", "SomeMethod");
dbus::MessageWriter writer(&method_call);
writer.AppendString("CrOSLateBootB");
// Not setting the serial causes a crash.
method_call.SetSerial(123);
IsFeatureEnabled(&method_call, kExpectedMessage);
}
TEST_F(ChromeFeaturesServiceProviderTest, IsFeatureEnabled_InvalidPrefix) {
auto feature_list = std::make_unique<base::FeatureList>();
auto feature_list_accessor = feature_list->ConstructAccessor();
const char enabled[] = "CrOSLateBootA";
const char disabled[] = "";
feature_list->InitFromCommandLine(enabled, disabled);
base::test::ScopedFeatureList scoped_feature_list;
scoped_feature_list.InitWithFeatureList(std::move(feature_list));
provider_ = std::make_unique<ChromeFeaturesServiceProvider>(
std::move(feature_list_accessor));
const char kExpectedMessage[] =
R"--(message_type: MESSAGE_ERROR
error_name: org.freedesktop.DBus.Error.InvalidArgs
signature: s
reply_serial: 123
string "Invalid prefix for feature name: 'B'. Want CrOSLateBoot"
)--";
dbus::MethodCall method_call("com.example.Interface", "SomeMethod");
dbus::MessageWriter writer(&method_call);
writer.AppendString("B");
// Not setting the serial causes a crash.
method_call.SetSerial(123);
IsFeatureEnabled(&method_call, kExpectedMessage);
}
TEST_F(ChromeFeaturesServiceProviderTest, IsFeatureEnabled_InvalidInput) {
auto feature_list = std::make_unique<base::FeatureList>();
auto feature_list_accessor = feature_list->ConstructAccessor();
const char enabled[] = "";
const char disabled[] = "";
feature_list->InitFromCommandLine(enabled, disabled);
base::test::ScopedFeatureList scoped_feature_list;
scoped_feature_list.InitWithFeatureList(std::move(feature_list));
provider_ = std::make_unique<ChromeFeaturesServiceProvider>(
std::move(feature_list_accessor));
const char kExpectedMessage[] =
R"--(message_type: MESSAGE_ERROR
error_name: org.freedesktop.DBus.Error.InvalidArgs
signature: s
reply_serial: 123
string "Missing or invalid feature_name string arg."
)--";
dbus::MethodCall method_call("com.example.Interface", "SomeMethod");
dbus::MessageWriter writer(&method_call);
writer.AppendBool(true);
// Not setting the serial causes a crash.
method_call.SetSerial(123);
IsFeatureEnabled(&method_call, kExpectedMessage);
}
TEST_F(ChromeFeaturesServiceProviderTest, GetFeatureParams_Success) {
auto feature_list = std::make_unique<base::FeatureList>();
auto feature_list_accessor = feature_list->ConstructAccessor();
const char enabled[] = "CrOSLateBootA:key1/value1/key2/value2,CrOSLateBootB";
const char disabled[] = "CrOSLateBootC";
feature_list->InitFromCommandLine(enabled, disabled);
base::test::ScopedFeatureList scoped_feature_list;
scoped_feature_list.InitWithFeatureList(std::move(feature_list));
provider_ = std::make_unique<ChromeFeaturesServiceProvider>(
std::move(feature_list_accessor));
const char kExpectedMessage[] =
R"--(message_type: MESSAGE_METHOD_RETURN
signature: a{s(bba{ss})}
reply_serial: 123
array [
dict entry {
string "CrOSLateBootA"
struct {
bool true
bool true
array [
dict entry {
string "key1"
string "value1"
}
dict entry {
string "key2"
string "value2"
}
]
}
}
dict entry {
string "CrOSLateBootB"
struct {
bool true
bool true
array [
]
}
}
dict entry {
string "CrOSLateBootC"
struct {
bool true
bool false
array [
]
}
}
dict entry {
string "CrOSLateBootD"
struct {
bool false
bool false
array [
]
}
}
]
)--";
dbus::MethodCall method_call("com.example.Interface", "SomeMethod");
dbus::MessageWriter writer(&method_call);
dbus::MessageWriter array_writer(nullptr);
writer.OpenArray("s", &array_writer);
array_writer.AppendString("CrOSLateBootA");
array_writer.AppendString("CrOSLateBootB");
array_writer.AppendString("CrOSLateBootC");
array_writer.AppendString("CrOSLateBootD");
writer.CloseContainer(&array_writer);
// Not setting the serial causes a crash.
method_call.SetSerial(123);
GetFeatureParams(&method_call, kExpectedMessage);
}
TEST_F(ChromeFeaturesServiceProviderTest, GetFeatureParams_NoInput) {
auto feature_list = std::make_unique<base::FeatureList>();
auto feature_list_accessor = feature_list->ConstructAccessor();
feature_list->InitFromCommandLine("", "");
base::test::ScopedFeatureList scoped_feature_list;
scoped_feature_list.InitWithFeatureList(std::move(feature_list));
provider_ = std::make_unique<ChromeFeaturesServiceProvider>(
std::move(feature_list_accessor));
constexpr char kExpectedMessage[] = R"--(message_type: MESSAGE_ERROR
error_name: org.freedesktop.DBus.Error.InvalidArgs
signature: s
reply_serial: 123
string "Could not pop string array of feature names"
)--";
dbus::MethodCall method_call("com.example.Interface", "SomeMethod");
// Not setting the serial causes a crash.
method_call.SetSerial(123);
GetFeatureParams(&method_call, kExpectedMessage);
}
TEST_F(ChromeFeaturesServiceProviderTest, GetFeatureParams_BadInput) {
auto feature_list = std::make_unique<base::FeatureList>();
auto feature_list_accessor = feature_list->ConstructAccessor();
feature_list->InitFromCommandLine("", "");
base::test::ScopedFeatureList scoped_feature_list;
scoped_feature_list.InitWithFeatureList(std::move(feature_list));
provider_ = std::make_unique<ChromeFeaturesServiceProvider>(
std::move(feature_list_accessor));
constexpr char kExpectedMessage[] = R"--(message_type: MESSAGE_ERROR
error_name: org.freedesktop.DBus.Error.InvalidArgs
signature: s
reply_serial: 123
string "Could not pop string array of feature names"
)--";
dbus::MethodCall method_call("com.example.Interface", "SomeMethod");
dbus::MessageWriter writer(&method_call);
writer.AppendString("CrOSLateBootA"); // not in an array!
// Not setting the serial causes a crash.
method_call.SetSerial(123);
GetFeatureParams(&method_call, kExpectedMessage);
}
TEST_F(ChromeFeaturesServiceProviderTest, GetFeatureParams_BadArrayEntry) {
auto feature_list = std::make_unique<base::FeatureList>();
auto feature_list_accessor = feature_list->ConstructAccessor();
feature_list->InitFromCommandLine("", "");
base::test::ScopedFeatureList scoped_feature_list;
scoped_feature_list.InitWithFeatureList(std::move(feature_list));
provider_ = std::make_unique<ChromeFeaturesServiceProvider>(
std::move(feature_list_accessor));
constexpr char kExpectedMessage[] = R"--(message_type: MESSAGE_ERROR
error_name: org.freedesktop.DBus.Error.InvalidArgs
signature: s
reply_serial: 123
string "Missing or invalid feature_name string arg in array."
)--";
dbus::MethodCall method_call("com.example.Interface", "SomeMethod");
dbus::MessageWriter writer(&method_call);
dbus::MessageWriter array_writer(nullptr);
writer.OpenArray("b", &array_writer);
array_writer.AppendBool(true); // wrong type
writer.CloseContainer(&array_writer);
// Not setting the serial causes a crash.
method_call.SetSerial(123);
GetFeatureParams(&method_call, kExpectedMessage);
}
TEST_F(ChromeFeaturesServiceProviderTest, GetFeatureParams_BadNameFormat) {
auto feature_list = std::make_unique<base::FeatureList>();
auto feature_list_accessor = feature_list->ConstructAccessor();
feature_list->InitFromCommandLine("", "");
base::test::ScopedFeatureList scoped_feature_list;
scoped_feature_list.InitWithFeatureList(std::move(feature_list));
provider_ = std::make_unique<ChromeFeaturesServiceProvider>(
std::move(feature_list_accessor));
constexpr char kExpectedMessage[] = R"--(message_type: MESSAGE_ERROR
error_name: org.freedesktop.DBus.Error.InvalidArgs
signature: s
reply_serial: 123
string "Invalid prefix for feature name: 'B'. Want CrOSLateBoot"
)--";
dbus::MethodCall method_call("com.example.Interface", "SomeMethod");
dbus::MessageWriter writer(&method_call);
dbus::MessageWriter array_writer(nullptr);
writer.OpenArray("s", &array_writer);
array_writer.AppendString("CrOSLateBootA");
array_writer.AppendString("B"); // missing prefix!
writer.CloseContainer(&array_writer);
// Not setting the serial causes a crash.
method_call.SetSerial(123);
GetFeatureParams(&method_call, kExpectedMessage);
}
} // namespace ash
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