Adding session-only localStorage.

content/browser/in_process_webkit/dom_storage_browsertest.cc

Index: content/browser/in_process_webkit/dom_storage_browsertest.cc
diff --git a/content/browser/in_process_webkit/dom_storage_browsertest.cc b/content/browser/in_process_webkit/dom_storage_browsertest.cc
index c237351212a6818fc617a7584f7e319810ef43a2..e2a692af52a3db69ca5515178f6ad5edf07a9419 100644
--- a/content/browser/in_process_webkit/dom_storage_browsertest.cc
+++ b/content/browser/in_process_webkit/dom_storage_browsertest.cc
@@ -6,13 +6,113 @@
 #include "base/file_util.h"
 #include "base/scoped_temp_dir.h"
 #include "base/test/thread_test_helper.h"
+#include "base/utf_string_conversions.h"
 #include "chrome/test/in_process_browser_test.h"
 #include "chrome/test/testing_profile.h"
+#include "content/browser/in_process_webkit/dom_storage_area.h"
 #include "content/browser/in_process_webkit/dom_storage_context.h"
+#include "content/browser/in_process_webkit/dom_storage_message_filter.h"
+#include "content/browser/in_process_webkit/dom_storage_namespace.h"
 #include "content/browser/in_process_webkit/webkit_context.h"
 
+namespace base {
+class MessageLoopProxy;
+}
+
 typedef InProcessBrowserTest DOMStorageBrowserTest;
 
+namespace dom_storage_test_helpers {
+
+class ChangingSettingsTestHelper : public base::ThreadTestHelper {
+ public:
+  ChangingSettingsTestHelper(base::MessageLoopProxy* target_thread,
+                             DOMStorageContext* storage_context)
+      : base::ThreadTestHelper(target_thread),
+        storage_context_(storage_context){
+  }
+  virtual ~ChangingSettingsTestHelper() {
+  }
+  void RunTest() {
+    DOMStorageNamespace* storage_namespace =
+        storage_context_->GetStorageNamespace(0, true);
+
+    // After a storage for an origin is created, it can always be retrieved,
+    // even if the content setting for that origin is changed.
+    string16 origin1(ASCIIToUTF16("http://www.someorigin.com"));
+    string16 origin2(ASCIIToUTF16("http://www.someotherorigin.com"));
+
+    DOMStorageArea* storage_area1 =
+        storage_namespace->GetStorageArea(origin1, true);
+    EXPECT_TRUE(storage_area1 != NULL);
+    EXPECT_TRUE(storage_area1 ==
+                storage_namespace->GetStorageArea(origin1, false));
+    EXPECT_TRUE(storage_area1 ==
+                storage_namespace->GetStorageArea(origin1, true));
+
+    DOMStorageArea* storage_area2 =
+        storage_namespace->GetStorageArea(origin2, false);
+    EXPECT_TRUE(storage_area2 != NULL);
+    EXPECT_TRUE(storage_area2 != storage_area1);
+    EXPECT_TRUE(storage_area2 ==
+                storage_namespace->GetStorageArea(origin2, false));
+    EXPECT_TRUE(storage_area2 ==
+                storage_namespace->GetStorageArea(origin2, true));
+    set_test_result(true);
+  }
+  DOMStorageContext* storage_context_;
+};
+
+class SessionOnlyTestHelper : public base::ThreadTestHelper {
+ public:
+  SessionOnlyTestHelper(base::MessageLoopProxy* target_thread,
+                        DOMStorageContext* storage_context,
+                        WebKitContext* webkit_context)
+      : base::ThreadTestHelper(target_thread),
+        storage_context_(storage_context),
+        webkit_context_(webkit_context) {
+  }
+  virtual ~SessionOnlyTestHelper() {
+  }
+  void RunTest() {
+    DOMStorageNamespace* storage_namespace =
+        storage_context_->GetStorageNamespace(0, true);
+
+    // Write data into the session-only localStorage and the permanent
+    // localStorage.
+    string16 session_only_origin(ASCIIToUTF16("http://www.sessiononly.com"));
+    string16 permanent_origin(ASCIIToUTF16("http://www.permanent.com"));
+
+    DOMStorageArea* session_only_storage_area =
+        storage_namespace->GetStorageArea(session_only_origin, false);
+    EXPECT_TRUE(session_only_storage_area != NULL);
+    DOMStorageArea* permanent_storage_area =
+        storage_namespace->GetStorageArea(permanent_origin, true);
+    EXPECT_TRUE(permanent_storage_area != NULL);
+
+    string16 key(ASCIIToUTF16("Key"));
+    string16 value(ASCIIToUTF16("Value"));
+    WebKit::WebStorageArea::Result result;
+    NullableString16 old_value;
+    scoped_refptr<DOMStorageMessageFilter> filter =
+        new DOMStorageMessageFilter(0, webkit_context_);
+
+    // Invoke DOMStorageArea::SetItem with this indirection, to have the message
+    // filters set up correctly.
+    filter->OnSetItem(session_only_storage_area->id(), key, value, GURL(""),
+                      &result, &old_value);
+    EXPECT_TRUE(result == WebKit::WebStorageArea::ResultOK);
+    filter->OnSetItem(permanent_storage_area->id(), key, value, GURL(""),
+                      &result, &old_value);
+    EXPECT_TRUE(result == WebKit::WebStorageArea::ResultOK);
+
+    set_test_result(true);
+  }
+  DOMStorageContext* storage_context_;
+  WebKitContext* webkit_context_;
+};
+
+}  // namespace dom_storage_test_helpers
+
 // In proc browser test is needed here because ClearLocalState indirectly calls
 // WebKit's isMainThread through WebSecurityOrigin->SecurityOrigin.
 IN_PROC_BROWSER_TEST_F(DOMStorageBrowserTest, ClearLocalState) {
@@ -52,3 +152,67 @@ IN_PROC_BROWSER_TEST_F(DOMStorageBrowserTest, ClearLocalState) {
   ASSERT_FALSE(file_util::PathExists(temp_file_path_1));
   ASSERT_TRUE(file_util::PathExists(temp_file_path_2));
 }
+
+IN_PROC_BROWSER_TEST_F(DOMStorageBrowserTest, ChangingSettings) {
+  ScopedTempDir temp_dir;
+  ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
+  FilePath domstorage_dir = temp_dir.path().Append(
+      DOMStorageContext::kLocalStorageDirectory);
+  ASSERT_TRUE(file_util::CreateDirectory(domstorage_dir));
+
+  TestingProfile profile;
+  DOMStorageContext* storage_context =
+      profile.GetWebKitContext()->dom_storage_context();
+
+  scoped_refptr<dom_storage_test_helpers::ChangingSettingsTestHelper> helper(
+      new dom_storage_test_helpers::ChangingSettingsTestHelper(
+          BrowserThread::GetMessageLoopProxyForThread(BrowserThread::WEBKIT),
+          storage_context));
+  ASSERT_TRUE(helper->Run());
+}
+
+IN_PROC_BROWSER_TEST_F(DOMStorageBrowserTest, SessionOnly) {
+  ScopedTempDir temp_dir;
+  ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
+  FilePath domstorage_dir = temp_dir.path().Append(
+      DOMStorageContext::kLocalStorageDirectory);
+  ASSERT_TRUE(file_util::CreateDirectory(domstorage_dir));
+
+  // Create the scope which will ensure we run the destructor of the webkit
+  // context which should trigger the clean up.
+  {
+    TestingProfile profile;
+    DOMStorageContext* storage_context =
+        profile.GetWebKitContext()->dom_storage_context();
+    storage_context->set_data_path(temp_dir.path());
+
+    scoped_refptr<dom_storage_test_helpers::SessionOnlyTestHelper> helper(
+        new dom_storage_test_helpers::SessionOnlyTestHelper(
+            BrowserThread::GetMessageLoopProxyForThread(BrowserThread::WEBKIT),
+            storage_context,
+            profile.GetWebKitContext()));
+    ASSERT_TRUE(helper->Run());
+  }
+  // Make sure we wait until the destructor has run.
+  scoped_refptr<base::ThreadTestHelper> helper(
+      new base::ThreadTestHelper(
+          BrowserThread::GetMessageLoopProxyForThread(BrowserThread::WEBKIT)));
+  ASSERT_TRUE(helper->Run());
+
+  // Expected result: the database file for the permanent storage was created,
+  // but the database for the session only storage was not created.
+  FilePath::StringType session_only_database(
+      FILE_PATH_LITERAL("http_www.sessiononly.com_0"));
+  FilePath::StringType permanent_database(
+      FILE_PATH_LITERAL("http_www.permanent.com_0"));
+  session_only_database.append(DOMStorageContext::kLocalStorageExtension);
+  permanent_database.append(DOMStorageContext::kLocalStorageExtension);
+
+  FilePath session_only_database_path =
+      domstorage_dir.Append(session_only_database);
+  FilePath permanent_database_path =
+      domstorage_dir.Append(permanent_database);
+
+  EXPECT_FALSE(file_util::PathExists(session_only_database_path));
+  EXPECT_TRUE(file_util::PathExists(permanent_database_path));
+}