1 files changed, 120 insertions, 0 deletions
diff --git a/chromium/extensions/browser/value_store/value_store_frontend_unittest.cc b/chromium/extensions/browser/value_store/value_store_frontend_unittest.cc
new file mode 100644
index 00000000000..21f95b6153e
--- /dev/null
+++ b/chromium/extensions/browser/value_store/value_store_frontend_unittest.cc
@@ -0,0 +1,120 @@
+// Copyright 2014 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 "extensions/browser/value_store/value_store_frontend.h"
+
+#include <utility>
+
+#include "base/files/file_util.h"
+#include "base/files/scoped_temp_dir.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/message_loop/message_loop.h"
+#include "base/path_service.h"
+#include "content/public/test/test_browser_thread.h"
+#include "extensions/browser/value_store/test_value_store_factory.h"
+#include "extensions/common/extension_paths.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+using content::BrowserThread;
+
+class ValueStoreFrontendTest : public testing::Test {
+ public:
+  ValueStoreFrontendTest()
+      : ui_thread_(BrowserThread::UI, base::MessageLoop::current()),
+        file_thread_(BrowserThread::FILE, base::MessageLoop::current()) {
+  }
+
+  void SetUp() override {
+    ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
+
+    base::FilePath test_data_dir;
+    ASSERT_TRUE(PathService::Get(extensions::DIR_TEST_DATA, &test_data_dir));
+    base::FilePath src_db(test_data_dir.AppendASCII("value_store_db"));
+    db_path_ = temp_dir_.path().AppendASCII("temp_db");
+    base::CopyDirectory(src_db, db_path_, true);
+
+    factory_ = new extensions::TestValueStoreFactory(db_path_);
+
+    ResetStorage();
+  }
+
+  void TearDown() override {
+    base::MessageLoop::current()->RunUntilIdle();  // wait for storage to delete
+    storage_.reset();
+  }
+
+  // Reset the value store, reloading the DB from disk.
+  void ResetStorage() {
+    storage_.reset(new ValueStoreFrontend(
+        factory_, ValueStoreFrontend::BackendType::RULES));
+  }
+
+  bool Get(const std::string& key, scoped_ptr<base::Value>* output) {
+    storage_->Get(key, base::Bind(&ValueStoreFrontendTest::GetAndWait,
+                                  base::Unretained(this), output));
+    base::MessageLoop::current()->Run();  // wait for GetAndWait
+    return !!output->get();
+  }
+
+ protected:
+  void GetAndWait(scoped_ptr<base::Value>* output,
+                  scoped_ptr<base::Value> result) {
+    *output = std::move(result);
+    base::MessageLoop::current()->QuitWhenIdle();
+  }
+
+  scoped_refptr<extensions::TestValueStoreFactory> factory_;
+  scoped_ptr<ValueStoreFrontend> storage_;
+  base::ScopedTempDir temp_dir_;
+  base::FilePath db_path_;
+  base::MessageLoop message_loop_;
+  content::TestBrowserThread ui_thread_;
+  content::TestBrowserThread file_thread_;
+};
+
+TEST_F(ValueStoreFrontendTest, GetExistingData) {
+  scoped_ptr<base::Value> value;
+  ASSERT_FALSE(Get("key0", &value));
+
+  // Test existing keys in the DB.
+  {
+    ASSERT_TRUE(Get("key1", &value));
+    std::string result;
+    ASSERT_TRUE(value->GetAsString(&result));
+    EXPECT_EQ("value1", result);
+  }
+
+  {
+    ASSERT_TRUE(Get("key2", &value));
+    int result;
+    ASSERT_TRUE(value->GetAsInteger(&result));
+    EXPECT_EQ(2, result);
+  }
+}
+
+TEST_F(ValueStoreFrontendTest, ChangesPersistAfterReload) {
+  storage_->Set("key0", scoped_ptr<base::Value>(new base::FundamentalValue(0)));
+  storage_->Set("key1", scoped_ptr<base::Value>(new base::StringValue("new1")));
+  storage_->Remove("key2");
+
+  // Reload the DB and test our changes.
+  ResetStorage();
+
+  scoped_ptr<base::Value> value;
+  {
+    ASSERT_TRUE(Get("key0", &value));
+    int result;
+    ASSERT_TRUE(value->GetAsInteger(&result));
+    EXPECT_EQ(0, result);
+  }
+
+  {
+    ASSERT_TRUE(Get("key1", &value));
+    std::string result;
+    ASSERT_TRUE(value->GetAsString(&result));
+    EXPECT_EQ("new1", result);
+  }
+
+  ASSERT_FALSE(Get("key2", &value));
+}