Add a test to cover service worker update codepath when extension is updated

chrome/browser/extensions/service_worker_apitest.cc

 // Copyright 2015 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 "base/bind_helpers.h"
 #include "base/strings/stringprintf.h"
 #include "chrome/browser/extensions/extension_apitest.h"
 #include "chrome/browser/extensions/extension_service.h"
 #include "chrome/browser/ui/tabs/tab_strip_model.h"
 #include "chrome/test/base/ui_test_utils.h"
@@ skipping 114 matching lines @@
   std::string error;
   const Extension* extension =
       StartTestFromBackgroundPage("register.js", &error);
   EXPECT_EQ(
       "Failed to register a ServiceWorker: The URL protocol of the current "
       "origin ('chrome-extension://" +
           extension->id() + "') is not supported.",
       error);
 }
 
+IN_PROC_BROWSER_TEST_F(ServiceWorkerTest, UpdateRefreshesServiceWorker) {
+  base::ScopedTempDir scoped_temp_dir;
+  ASSERT_TRUE(scoped_temp_dir.CreateUniqueTempDir());
+  base::FilePath pem_path = test_data_dir_. AppendASCII("service_worker")
+      .AppendASCII("update").AppendASCII("service_worker.pem");
+  base::FilePath path_v1 = PackExtensionWithOptions(
+      test_data_dir_.AppendASCII("service_worker").AppendASCII("update")
+                    .AppendASCII("v1"),
+      scoped_temp_dir.path().AppendASCII("v1.crx"),
+      pem_path, base::FilePath());
+  base::FilePath path_v2 = PackExtensionWithOptions(
+      test_data_dir_.AppendASCII("service_worker").AppendASCII("update")
+                    .AppendASCII("v2"),
+      scoped_temp_dir.path().AppendASCII("v2.crx"),
+      pem_path, base::FilePath());
+
+  ExtensionService* service = ExtensionSystem::Get(browser()->profile())->
+      extension_service();
+  const char kId[] = "hfaanndiiilofhfokeanhddpkfffchdi";
+
+  // Install version 1.0 of the extension.
+  ASSERT_TRUE(InstallExtension(path_v1, 1));
+  EXPECT_TRUE(service->GetExtensionById(kId, false) != NULL);
+
+  const char* kScript = "window.testResolver();";
+  EXPECT_EQ("true", ExecuteScriptInBackgroundPage(kId, kScript));
+
+  // Update to version 2.0.
+  EXPECT_TRUE(UpdateExtension(kId, path_v2, 0));
+  EXPECT_TRUE(service->GetExtensionById(kId, false) != NULL);
+
+  EXPECT_EQ("true", ExecuteScriptInBackgroundPage(kId, kScript));
+}
+
+
 IN_PROC_BROWSER_TEST_F(ServiceWorkerTest, FetchArbitraryPaths) {
   const Extension* extension =
       StartTestFromBackgroundPage("fetch.js", kExpectSuccess);
 
   // Open some arbirary paths. Their contents should be what the service worker
   // responds with, which in this case is the path of the fetch.
   EXPECT_EQ(
       "Caught a fetch for /index.html",
       NavigateAndExtractInnerText(extension->GetResourceURL("index.html")));
   EXPECT_EQ("Caught a fetch for /path/to/other.html",
@@ skipping 186 matching lines @@
 IN_PROC_BROWSER_TEST_F(ServiceWorkerTest,
                        GetBackgroundClientFailsWithNoBackgroundPage) {
   // This extension doesn't have a background page, only a tab at page.html.
   // The service worker it registers tries to call getBackgroundClient() and
   // should fail.
   // Note that this also tests that service workers can be registered from tabs.
   EXPECT_TRUE(RunExtensionSubtest("service_worker/no_background", "page.html"));
 }
 
 }  // namespace extensions