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// Copyright (c) 2011 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 "base/compiler_specific.h"
#include "base/file_util.h"
#include "base/json/json_value_serializer.h"
#include "base/message_loop.h"
#include "base/scoped_temp_dir.h"
#include "base/string_number_conversions.h"
#include "base/values.h"
#include "chrome/browser/policy/config_dir_policy_provider.h"
#include "chrome/browser/policy/configuration_policy_provider_test.h"
namespace policy {
namespace {
class TestHarness : public PolicyProviderTestHarness {
public:
TestHarness();
virtual ~TestHarness();
virtual void SetUp() OVERRIDE;
virtual AsynchronousPolicyProvider* CreateProvider(
const PolicyDefinitionList* policy_definition_list) OVERRIDE;
virtual void InstallEmptyPolicy() OVERRIDE;
virtual void InstallStringPolicy(const std::string& policy_name,
const std::string& policy_value) OVERRIDE;
virtual void InstallIntegerPolicy(const std::string& policy_name,
int policy_value) OVERRIDE;
virtual void InstallBooleanPolicy(const std::string& policy_name,
bool policy_value) OVERRIDE;
virtual void InstallStringListPolicy(const std::string& policy_name,
const ListValue* policy_value) OVERRIDE;
const FilePath& test_dir() { return test_dir_.path(); }
// JSON-encode a dictionary and write it to a file.
void WriteConfigFile(const base::DictionaryValue& dict,
const std::string& file_name);
static PolicyProviderTestHarness* Create();
private:
ScopedTempDir test_dir_;
DISALLOW_COPY_AND_ASSIGN(TestHarness);
};
TestHarness::TestHarness() {}
TestHarness::~TestHarness() {}
void TestHarness::SetUp() {
ASSERT_TRUE(test_dir_.CreateUniqueTempDir());
}
AsynchronousPolicyProvider* TestHarness::CreateProvider(
const PolicyDefinitionList* policy_definition_list) {
return new ConfigDirPolicyProvider(policy_definition_list, test_dir());
}
void TestHarness::InstallEmptyPolicy() {
DictionaryValue dict;
WriteConfigFile(dict, "policy");
}
void TestHarness::InstallStringPolicy(const std::string& policy_name,
const std::string& policy_value) {
DictionaryValue dict;
dict.SetString(policy_name, policy_value);
WriteConfigFile(dict, "policy");
}
void TestHarness::InstallIntegerPolicy(const std::string& policy_name,
int policy_value) {
DictionaryValue dict;
dict.SetInteger(policy_name, policy_value);
WriteConfigFile(dict, "policy");
}
void TestHarness::InstallBooleanPolicy(const std::string& policy_name,
bool policy_value) {
DictionaryValue dict;
dict.SetBoolean(policy_name, policy_value);
WriteConfigFile(dict, "policy");
}
void TestHarness::InstallStringListPolicy(const std::string& policy_name,
const ListValue* policy_value) {
DictionaryValue dict;
dict.Set(policy_name, policy_value->DeepCopy());
WriteConfigFile(dict, "policy");
}
void TestHarness::WriteConfigFile(const base::DictionaryValue& dict,
const std::string& file_name) {
std::string data;
JSONStringValueSerializer serializer(&data);
serializer.Serialize(dict);
const FilePath file_path(test_dir().AppendASCII(file_name));
ASSERT_TRUE(file_util::WriteFile(file_path, data.c_str(), data.size()));
}
// static
PolicyProviderTestHarness* TestHarness::Create() {
return new TestHarness();
}
} // namespace
// Instantiate abstract test case for basic policy reading tests.
INSTANTIATE_TEST_CASE_P(
ConfigDirPolicyProviderTest,
ConfigurationPolicyProviderTest,
testing::Values(TestHarness::Create));
// Some tests that exercise special functionality in ConfigDirPolicyLoader.
class ConfigDirPolicyLoaderTest : public testing::Test {
protected:
void SetUp() {
harness_.SetUp();
}
TestHarness harness_;
};
// The preferences dictionary is expected to be empty when there are no files to
// load.
TEST_F(ConfigDirPolicyLoaderTest, ReadPrefsEmpty) {
ConfigDirPolicyProviderDelegate loader(harness_.test_dir());
scoped_ptr<base::DictionaryValue> policy(loader.Load());
EXPECT_TRUE(policy.get());
EXPECT_TRUE(policy->empty());
}
// Reading from a non-existent directory should result in an empty preferences
// dictionary.
TEST_F(ConfigDirPolicyLoaderTest, ReadPrefsNonExistentDirectory) {
FilePath non_existent_dir(
harness_.test_dir().Append(FILE_PATH_LITERAL("not_there")));
ConfigDirPolicyProviderDelegate loader(non_existent_dir);
scoped_ptr<base::DictionaryValue> policy(loader.Load());
EXPECT_TRUE(policy.get());
EXPECT_TRUE(policy->empty());
}
// Test merging values from different files.
TEST_F(ConfigDirPolicyLoaderTest, ReadPrefsMergePrefs) {
// Write a bunch of data files in order to increase the chance to detect the
// provider not respecting lexicographic ordering when reading them. Since the
// filesystem may return files in arbitrary order, there is no way to be sure,
// but this is better than nothing.
base::DictionaryValue test_dict_bar;
test_dict_bar.SetString("HomepageLocation", "http://bar.com");
for (unsigned int i = 1; i <= 4; ++i)
harness_.WriteConfigFile(test_dict_bar, base::IntToString(i));
base::DictionaryValue test_dict_foo;
test_dict_foo.SetString("HomepageLocation", "http://foo.com");
harness_.WriteConfigFile(test_dict_foo, "9");
for (unsigned int i = 5; i <= 8; ++i)
harness_.WriteConfigFile(test_dict_bar, base::IntToString(i));
ConfigDirPolicyProviderDelegate loader(harness_.test_dir());
scoped_ptr<base::DictionaryValue> policy(loader.Load());
EXPECT_TRUE(policy.get());
EXPECT_TRUE(policy->Equals(&test_dict_foo));
}
} // namespace policy
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