components/policy/core/common/registry_dict_unittest.cc

// Copyright 2013 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 "components/policy/core/common/registry_dict.h"

#include <string>
#include <utility>

#include "base/memory/ptr_util.h"
#include "base/values.h"
#include "components/policy/core/common/schema.h"
#include "testing/gtest/include/gtest/gtest.h"

namespace policy {
namespace {

TEST(RegistryDictTest, SetAndGetValue) {
  RegistryDict test_dict;

  base::FundamentalValue int_value(42);
  base::StringValue string_value("fortytwo");

  test_dict.SetValue("one", int_value.CreateDeepCopy());
  EXPECT_EQ(1u, test_dict.values().size());
  EXPECT_TRUE(base::Value::Equals(&int_value, test_dict.GetValue("one")));
  EXPECT_FALSE(test_dict.GetValue("two"));

  test_dict.SetValue("two", string_value.CreateDeepCopy());
  EXPECT_EQ(2u, test_dict.values().size());
  EXPECT_TRUE(base::Value::Equals(&int_value, test_dict.GetValue("one")));
  EXPECT_TRUE(base::Value::Equals(&string_value, test_dict.GetValue("two")));

  std::unique_ptr<base::Value> one(test_dict.RemoveValue("one"));
  EXPECT_EQ(1u, test_dict.values().size());
  EXPECT_TRUE(base::Value::Equals(&int_value, one.get()));
  EXPECT_FALSE(test_dict.GetValue("one"));
  EXPECT_TRUE(base::Value::Equals(&string_value, test_dict.GetValue("two")));

  test_dict.ClearValues();
  EXPECT_FALSE(test_dict.GetValue("one"));
  EXPECT_FALSE(test_dict.GetValue("two"));
  EXPECT_TRUE(test_dict.values().empty());
}

TEST(RegistryDictTest, CaseInsensitiveButPreservingValueNames) {
  RegistryDict test_dict;

  base::FundamentalValue int_value(42);
  base::StringValue string_value("fortytwo");

  test_dict.SetValue("One", int_value.CreateDeepCopy());
  EXPECT_EQ(1u, test_dict.values().size());
  EXPECT_TRUE(base::Value::Equals(&int_value, test_dict.GetValue("oNe")));

  RegistryDict::ValueMap::const_iterator entry = test_dict.values().begin();
  ASSERT_NE(entry, test_dict.values().end());
  EXPECT_EQ("One", entry->first);

  test_dict.SetValue("ONE", string_value.CreateDeepCopy());
  EXPECT_EQ(1u, test_dict.values().size());
  EXPECT_TRUE(base::Value::Equals(&string_value, test_dict.GetValue("one")));

  std::unique_ptr<base::Value> removed_value(test_dict.RemoveValue("onE"));
  EXPECT_TRUE(base::Value::Equals(&string_value, removed_value.get()));
  EXPECT_TRUE(test_dict.values().empty());
}

TEST(RegistryDictTest, SetAndGetKeys) {
  RegistryDict test_dict;

  base::FundamentalValue int_value(42);
  base::StringValue string_value("fortytwo");

  std::unique_ptr<RegistryDict> subdict(new RegistryDict());
  subdict->SetValue("one", int_value.CreateDeepCopy());
  test_dict.SetKey("two", std::move(subdict));
  EXPECT_EQ(1u, test_dict.keys().size());
  RegistryDict* actual_subdict = test_dict.GetKey("two");
  ASSERT_TRUE(actual_subdict);
  EXPECT_TRUE(base::Value::Equals(&int_value, actual_subdict->GetValue("one")));

  subdict.reset(new RegistryDict());
  subdict->SetValue("three", string_value.CreateDeepCopy());
  test_dict.SetKey("four", std::move(subdict));
  EXPECT_EQ(2u, test_dict.keys().size());
  actual_subdict = test_dict.GetKey("two");
  ASSERT_TRUE(actual_subdict);
  EXPECT_TRUE(base::Value::Equals(&int_value, actual_subdict->GetValue("one")));
  actual_subdict = test_dict.GetKey("four");
  ASSERT_TRUE(actual_subdict);
  EXPECT_TRUE(base::Value::Equals(&string_value,
                                  actual_subdict->GetValue("three")));

  test_dict.ClearKeys();
  EXPECT_FALSE(test_dict.GetKey("one"));
  EXPECT_FALSE(test_dict.GetKey("three"));
  EXPECT_TRUE(test_dict.keys().empty());
}

TEST(RegistryDictTest, CaseInsensitiveButPreservingKeyNames) {
  RegistryDict test_dict;

  base::FundamentalValue int_value(42);

  test_dict.SetKey("One", base::MakeUnique<RegistryDict>());
  EXPECT_EQ(1u, test_dict.keys().size());
  RegistryDict* actual_subdict = test_dict.GetKey("One");
  ASSERT_TRUE(actual_subdict);
  EXPECT_TRUE(actual_subdict->values().empty());

  RegistryDict::KeyMap::const_iterator entry = test_dict.keys().begin();
  ASSERT_NE(entry, test_dict.keys().end());
  EXPECT_EQ("One", entry->first);

  std::unique_ptr<RegistryDict> subdict(new RegistryDict());
  subdict->SetValue("two", int_value.CreateDeepCopy());
  test_dict.SetKey("ONE", std::move(subdict));
  EXPECT_EQ(1u, test_dict.keys().size());
  actual_subdict = test_dict.GetKey("One");
  ASSERT_TRUE(actual_subdict);
  EXPECT_TRUE(base::Value::Equals(&int_value,
                                  actual_subdict->GetValue("two")));

  std::unique_ptr<RegistryDict> removed_key(test_dict.RemoveKey("one"));
  ASSERT_TRUE(removed_key);
  EXPECT_TRUE(base::Value::Equals(&int_value,
                                  removed_key->GetValue("two")));
  EXPECT_TRUE(test_dict.keys().empty());
}

TEST(RegistryDictTest, Merge) {
  RegistryDict dict_a;
  RegistryDict dict_b;

  base::FundamentalValue int_value(42);
  base::StringValue string_value("fortytwo");

  dict_a.SetValue("one", int_value.CreateDeepCopy());
  std::unique_ptr<RegistryDict> subdict(new RegistryDict());
  subdict->SetValue("two", string_value.CreateDeepCopy());
  dict_a.SetKey("three", std::move(subdict));

  dict_b.SetValue("four", string_value.CreateDeepCopy());
  subdict.reset(new RegistryDict());
  subdict->SetValue("two", int_value.CreateDeepCopy());
  dict_b.SetKey("three", std::move(subdict));
  subdict.reset(new RegistryDict());
  subdict->SetValue("five", int_value.CreateDeepCopy());
  dict_b.SetKey("six", std::move(subdict));

  dict_a.Merge(dict_b);

  EXPECT_TRUE(base::Value::Equals(&int_value, dict_a.GetValue("one")));
  EXPECT_TRUE(base::Value::Equals(&string_value, dict_b.GetValue("four")));
  RegistryDict* actual_subdict = dict_a.GetKey("three");
  ASSERT_TRUE(actual_subdict);
  EXPECT_TRUE(base::Value::Equals(&int_value, actual_subdict->GetValue("two")));
  actual_subdict = dict_a.GetKey("six");
  ASSERT_TRUE(actual_subdict);
  EXPECT_TRUE(base::Value::Equals(&int_value,
                                  actual_subdict->GetValue("five")));
}

TEST(RegistryDictTest, Swap) {
  RegistryDict dict_a;
  RegistryDict dict_b;

  base::FundamentalValue int_value(42);
  base::StringValue string_value("fortytwo");

  dict_a.SetValue("one", int_value.CreateDeepCopy());
  dict_a.SetKey("two", base::MakeUnique<RegistryDict>());
  dict_b.SetValue("three", string_value.CreateDeepCopy());

  dict_a.Swap(&dict_b);

  EXPECT_TRUE(base::Value::Equals(&int_value, dict_b.GetValue("one")));
  EXPECT_TRUE(dict_b.GetKey("two"));
  EXPECT_FALSE(dict_b.GetValue("two"));

  EXPECT_TRUE(base::Value::Equals(&string_value, dict_a.GetValue("three")));
  EXPECT_FALSE(dict_a.GetValue("one"));
  EXPECT_FALSE(dict_a.GetKey("two"));
}

#if defined(OS_WIN)
TEST(RegistryDictTest, ConvertToJSON) {
  RegistryDict test_dict;

  base::FundamentalValue int_value(42);
  base::StringValue string_value("fortytwo");
  base::StringValue string_zero("0");
  base::StringValue string_dict("{ \"key\": [ \"value\" ] }");

  test_dict.SetValue("one", int_value.CreateDeepCopy());
  std::unique_ptr<RegistryDict> subdict(new RegistryDict());
  subdict->SetValue("two", string_value.CreateDeepCopy());
  test_dict.SetKey("three", std::move(subdict));
  std::unique_ptr<RegistryDict> list(new RegistryDict());
  list->SetValue("1", string_value.CreateDeepCopy());
  test_dict.SetKey("dict-to-list", std::move(list));
  test_dict.SetValue("int-to-bool", int_value.CreateDeepCopy());
  test_dict.SetValue("int-to-double", int_value.CreateDeepCopy());
  test_dict.SetValue("string-to-bool", string_zero.CreateDeepCopy());
  test_dict.SetValue("string-to-double", string_zero.CreateDeepCopy());
  test_dict.SetValue("string-to-int", string_zero.CreateDeepCopy());
  test_dict.SetValue("string-to-dict", string_dict.CreateDeepCopy());

  std::string error;
  Schema schema = Schema::Parse(
      "{"
      "  \"type\": \"object\","
      "  \"properties\": {"
      "    \"dict-to-list\": {"
      "      \"type\": \"array\","
      "      \"items\": { \"type\": \"string\" }"
      "    },"
      "    \"int-to-bool\": { \"type\": \"boolean\" },"
      "    \"int-to-double\": { \"type\": \"number\" },"
      "    \"string-to-bool\": { \"type\": \"boolean\" },"
      "    \"string-to-double\": { \"type\": \"number\" },"
      "    \"string-to-int\": { \"type\": \"integer\" },"
      "    \"string-to-dict\": { \"type\": \"object\" }"
      "  }"
      "}",
      &error);
  ASSERT_TRUE(schema.valid()) << error;

  std::unique_ptr<base::Value> actual(test_dict.ConvertToJSON(schema));

  base::DictionaryValue expected;
  expected.Set("one", int_value.CreateDeepCopy());
  std::unique_ptr<base::DictionaryValue> expected_subdict(
      new base::DictionaryValue());
  expected_subdict->Set("two", string_value.CreateDeepCopy());
  expected.Set("three", std::move(expected_subdict));
  std::unique_ptr<base::ListValue> expected_list(new base::ListValue());
  expected_list->Append(string_value.CreateDeepCopy());
  expected.Set("dict-to-list", std::move(expected_list));
  expected.Set("int-to-bool", new base::FundamentalValue(true));
  expected.Set("int-to-double", new base::FundamentalValue(42.0));
  expected.Set("string-to-bool", new base::FundamentalValue(false));
  expected.Set("string-to-double", new base::FundamentalValue(0.0));
  expected.Set("string-to-int",
               new base::FundamentalValue(static_cast<int>(0)));
  expected_list.reset(new base::ListValue());
  expected_list->Append(base::MakeUnique<base::StringValue>("value"));
  expected_subdict.reset(new base::DictionaryValue());
  expected_subdict->Set("key", std::move(expected_list));
  expected.Set("string-to-dict", std::move(expected_subdict));

  EXPECT_TRUE(base::Value::Equals(actual.get(), &expected));
}

TEST(RegistryDictTest, NonSequentialConvertToJSON) {
  RegistryDict test_dict;

  std::unique_ptr<RegistryDict> list(new RegistryDict());
  list->SetValue("1", base::StringValue("1").CreateDeepCopy());
  list->SetValue("2", base::StringValue("2").CreateDeepCopy());
  list->SetValue("THREE", base::StringValue("3").CreateDeepCopy());
  list->SetValue("4", base::StringValue("4").CreateDeepCopy());
  test_dict.SetKey("dict-to-list", std::move(list));

  std::string error;
  Schema schema = Schema::Parse(
      "{"
      "  \"type\": \"object\","
      "  \"properties\": {"
      "    \"dict-to-list\": {"
      "      \"type\": \"array\","
      "      \"items\": { \"type\": \"string\" }"
      "    }"
      "  }"
      "}",
      &error);
  ASSERT_TRUE(schema.valid()) << error;

  std::unique_ptr<base::Value> actual(test_dict.ConvertToJSON(schema));

  base::DictionaryValue expected;
  std::unique_ptr<base::ListValue> expected_list(new base::ListValue());
  expected_list->Append(base::StringValue("1").CreateDeepCopy());
  expected_list->Append(base::StringValue("2").CreateDeepCopy());
  expected_list->Append(base::StringValue("4").CreateDeepCopy());
  expected.Set("dict-to-list", std::move(expected_list));

  EXPECT_TRUE(base::Value::Equals(actual.get(), &expected));
}
#endif

TEST(RegistryDictTest, KeyValueNameClashes) {
  RegistryDict test_dict;

  base::FundamentalValue int_value(42);
  base::StringValue string_value("fortytwo");

  test_dict.SetValue("one", int_value.CreateDeepCopy());
  std::unique_ptr<RegistryDict> subdict(new RegistryDict());
  subdict->SetValue("two", string_value.CreateDeepCopy());
  test_dict.SetKey("one", std::move(subdict));

  EXPECT_TRUE(base::Value::Equals(&int_value, test_dict.GetValue("one")));
  RegistryDict* actual_subdict = test_dict.GetKey("one");
  ASSERT_TRUE(actual_subdict);
  EXPECT_TRUE(base::Value::Equals(&string_value,
                                  actual_subdict->GetValue("two")));
}

}  // namespace
}  // namespace policy