src/extensions/browser/value_store/value_store_change_unittest.cc

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/json/json_reader.h"
   6 #include "base/json/json_writer.h"
   7 #include "base/logging.h"
   8 #include "base/values.h"
   9 #include "extensions/browser/value_store/value_store_change.h"
  10 #include "extensions/common/value_builder.h"
  11 #include "testing/gtest/include/gtest/gtest.h"
  12
  13 using base::DictionaryValue;
  14 using base::Value;
  15 using extensions::DictionaryBuilder;
  16 using extensions::ListBuilder;
  17
  18 namespace {
  19
  20 TEST(ValueStoreChangeTest, NullOldValue) {
  21   ValueStoreChange change("key", NULL, base::Value::CreateStringValue("value"));
  22
  23   EXPECT_EQ("key", change.key());
  24   EXPECT_EQ(NULL, change.old_value());
  25   {
  26     scoped_ptr<base::Value> expected(base::Value::CreateStringValue("value"));
  27     EXPECT_TRUE(change.new_value()->Equals(expected.get()));
  28   }
  29 }
  30
  31 TEST(ValueStoreChangeTest, NullNewValue) {
  32   ValueStoreChange change("key", base::Value::CreateStringValue("value"), NULL);
  33
  34   EXPECT_EQ("key", change.key());
  35   {
  36     scoped_ptr<base::Value> expected(base::Value::CreateStringValue("value"));
  37     EXPECT_TRUE(change.old_value()->Equals(expected.get()));
  38   }
  39   EXPECT_EQ(NULL, change.new_value());
  40 }
  41
  42 TEST(ValueStoreChangeTest, NonNullValues) {
  43   ValueStoreChange change("key",
  44                           base::Value::CreateStringValue("old_value"),
  45                           base::Value::CreateStringValue("new_value"));
  46
  47   EXPECT_EQ("key", change.key());
  48   {
  49     scoped_ptr<base::Value> expected(
  50         base::Value::CreateStringValue("old_value"));
  51     EXPECT_TRUE(change.old_value()->Equals(expected.get()));
  52   }
  53   {
  54     scoped_ptr<base::Value> expected(
  55         base::Value::CreateStringValue("new_value"));
  56     EXPECT_TRUE(change.new_value()->Equals(expected.get()));
  57   }
  58 }
  59
  60 TEST(ValueStoreChangeTest, ToJson) {
  61   // Create a mildly complicated structure that has dots in it.
  62   scoped_ptr<base::DictionaryValue> value = DictionaryBuilder()
  63       .Set("key", "value")
  64       .Set("key.with.dots", "value.with.dots")
  65       .Set("tricked", DictionaryBuilder()
  66           .Set("you", "nodots"))
  67       .Set("tricked.you", "with.dots")
  68       .Build();
  69
  70   ValueStoreChangeList change_list;
  71   change_list.push_back(
  72       ValueStoreChange("key", value->DeepCopy(), value->DeepCopy()));
  73   change_list.push_back(
  74       ValueStoreChange("key.with.dots", value->DeepCopy(), value->DeepCopy()));
  75
  76   std::string json = ValueStoreChange::ToJson(change_list);
  77   scoped_ptr<base::Value> from_json(base::JSONReader::Read(json));
  78   ASSERT_TRUE(from_json.get());
  79
  80   DictionaryBuilder v1(*value);
  81   DictionaryBuilder v2(*value);
  82   DictionaryBuilder v3(*value);
  83   DictionaryBuilder v4(*value);
  84   scoped_ptr<base::DictionaryValue> expected_from_json = DictionaryBuilder()
  85       .Set("key", DictionaryBuilder()
  86           .Set("oldValue", v1)
  87           .Set("newValue", v2))
  88       .Set("key.with.dots", DictionaryBuilder()
  89           .Set("oldValue", v3)
  90           .Set("newValue", v4))
  91       .Build();
  92
  93   EXPECT_TRUE(from_json->Equals(expected_from_json.get()));
  94 }
  95
  96 }  // namespace