[Extensions] Add a test for sessionStorage behavior in extensions

This CL adds PopupRepeatedOpening test, which verifies that sessionStorage does not persist between repeated opening and closing of a popup. Bug: 42599 Change-Id: I837dd93bb12225619707127304802cff3e2d407e Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2297687Reviewed-by: Devlin <rdevlin.cronin@chromium.org> Commit-Queue: Ghazale Hosseinabadi <ghazale@chromium.org> Commit-Queue: Devlin <rdevlin.cronin@chromium.org> Cr-Commit-Position: refs/heads/master@{#791074}

[Extensions] Add a test for sessionStorage behavior in extensions
This CL adds PopupRepeatedOpening test, which verifies that sessionStorage does not persist between repeated opening and closing of a popup. Bug: 42599 Change-Id: I837dd93bb12225619707127304802cff3e2d407e Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2297687Reviewed-by: Devlin <rdevlin.cronin@chromium.org> Commit-Queue: Ghazale Hosseinabadi <ghazale@chromium.org> Commit-Queue: Devlin <rdevlin.cronin@chromium.org> Cr-Commit-Position: refs/heads/master@{#791074}
ceec9deb · Ghazale Hosseinabadi · Commit Bot · cbd8c160 · ceec9deb
Commit ceec9deb authored Jul 22, 2020 by Ghazale Hosseinabadi Committed by Commit Bot Jul 22, 2020
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chrome/browser/extensions/api/extension_action/extension_action_apitest.cc ...tensions/api/extension_action/extension_action_apitest.cc +102 -0

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--- a/chrome/browser/extensions/api/extension_action/extension_action_apitest.cc
+++ b/chrome/browser/extensions/api/extension_action/extension_action_apitest.cc
@@ -536,6 +536,108 @@ IN_PROC_BROWSER_TEST_P(MultiActionAPITest, PopupCreation) {
  EXPECT_EQ(0u, frames.size());
 }

+// Tests that sessionStorage does not persist between closing and opening of a
+// popup.
+IN_PROC_BROWSER_TEST_P(MultiActionAPITest,
+                       SessionStorageDoesNotPersistBetweenOpenings) {
+  constexpr char kManifestTemplate[] =
+      R"({
+           "name": "Test sessionStorage",
+           "manifest_version": 2,
+           "version": "0.1",
+           "%s": {
+             "default_popup": "popup.html"
+           }
+         })";
+
+  constexpr char kPopupHtml[] =
+      R"(<!doctype html>
+         <html>
+           <script src="popup.js"></script>
+         </html>)";
+
+  constexpr char kPopupJs[] =
+      R"(window.onload = function() {
+           if (!sessionStorage.foo) {
+             sessionStorage.foo = 1;
+           } else {
+             sessionStorage.foo = parseInt(sessionStorage.foo) + 1;
+           }
+           chrome.test.notifyPass();};
+        )";
+
+  TestExtensionDir test_dir;
+  test_dir.WriteManifest(base::StringPrintf(
+      kManifestTemplate, GetManifestKeyForActionType(GetParam())));
+  test_dir.WriteFile(FILE_PATH_LITERAL("popup.html"), kPopupHtml);
+  test_dir.WriteFile(FILE_PATH_LITERAL("popup.js"), kPopupJs);
+
+  const Extension* extension = LoadExtension(test_dir.UnpackedPath());
+  ASSERT_TRUE(extension);
+
+  std::unique_ptr<ExtensionActionTestHelper> toolbar_helper =
+      ExtensionActionTestHelper::Create(browser());
+
+  ExtensionAction* action = GetExtensionAction(*extension);
+  ASSERT_TRUE(action);
+
+  int tab_id = GetActiveTabId();
+  EnsureActionIsEnabledOnActiveTab(action);
+  EXPECT_TRUE(action->HasPopup(tab_id));
+
+  ResultCatcher result_catcher;
+  toolbar_helper->Press(0);
+  EXPECT_TRUE(result_catcher.GetNextResult()) << result_catcher.message();
+
+  ProcessManager* process_manager = ProcessManager::Get(profile());
+  ProcessManager::FrameSet frames =
+      process_manager->GetRenderFrameHostsForExtension(extension->id());
+  ASSERT_EQ(1u, frames.size());
+  content::RenderFrameHost* render_frame_host = *frames.begin();
+
+  content::WebContents* popup_contents =
+      content::WebContents::FromRenderFrameHost(render_frame_host);
+  ASSERT_TRUE(popup_contents);
+
+  std::string foo;
+  EXPECT_TRUE(content::ExecuteScriptAndExtractString(
+      popup_contents, "domAutomationController.send(sessionStorage.foo)",
+      &foo));
+  EXPECT_EQ("1", foo);
+
+  const std::string session_storage_id1 =
+      popup_contents->GetController().GetDefaultSessionStorageNamespace()->id();
+
+  // Close the popup.
+  content::WebContentsDestroyedWatcher contents_destroyed(popup_contents);
+  EXPECT_TRUE(content::ExecuteScript(popup_contents, "window.close()"));
+  contents_destroyed.Wait();
+
+  frames = process_manager->GetRenderFrameHostsForExtension(extension->id());
+  EXPECT_EQ(0u, frames.size());
+
+  // Open the popup again.
+  toolbar_helper->Press(0);
+  EXPECT_TRUE(result_catcher.GetNextResult()) << result_catcher.message();
+
+  frames = process_manager->GetRenderFrameHostsForExtension(extension->id());
+  ASSERT_EQ(1u, frames.size());
+  render_frame_host = *frames.begin();
+
+  popup_contents = content::WebContents::FromRenderFrameHost(render_frame_host);
+  const std::string session_storage_id2 =
+      popup_contents->GetController().GetDefaultSessionStorageNamespace()->id();
+
+  // Verify that sessionStorage did not persist. The reason is that closing the
+  // popup ends the session and clears objects in sessionStorage.
+  EXPECT_NE(session_storage_id1, session_storage_id2);
+  foo = "";
+  EXPECT_TRUE(content::ExecuteScriptAndExtractString(
+      popup_contents, "domAutomationController.send(sessionStorage.foo)",
+      &foo));
+  EXPECT_EQ("1", foo);
+}
+
 // Tests setting the icon dynamically from the background page.
 IN_PROC_BROWSER_TEST_P(MultiActionAPICanvasTest, DynamicSetIcon) {
  constexpr char kManifestTemplate[] =