app_shell: Extract extension runtime data from ExtensionService

extensions/browser/runtime_data_unittest.cc

+// 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/runtime_data.h"
+
+#include <string>
+
+#include "base/memory/ref_counted.h"
+#include "extensions/browser/extension_registry.h"
+#include "extensions/common/extension.h"
+#include "extensions/common/extension_builder.h"
+#include "extensions/common/value_builder.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace extensions {
+namespace {
+
+typedef testing::Test RuntimeDataTest;
+
+// Creates a very simple extension.
+scoped_refptr<Extension> CreateExtension() {
+  return ExtensionBuilder()
+      .SetManifest(
+           DictionaryBuilder().Set("name", "test").Set("version", "0.1"))
+      .SetID("id1")
+      .Build();
+}
+
+// Creates a very simple extension with a background page.
+scoped_refptr<Extension> CreateExtensionWithBackgroundPage() {
+  return ExtensionBuilder()
+      .SetManifest(
+           DictionaryBuilder()
+             .Set("name", "test")
+             .Set("version", "0.1")
+             .Set("background", DictionaryBuilder().Set("page", "bg.html")))
+      .SetID("id2")
+      .Build();
+}
+
+TEST_F(RuntimeDataTest, IsBackgroundPageReady) {
+  ExtensionRegistry registry;
+  RuntimeData runtime_data(&registry);

[not at google - send to devlin, 2014/01/22 21:08:16]

you could do this in a SetUp method if you wanted...

+
+  // An extension without a background page is always considered ready.
+  scoped_refptr<Extension> no_background = CreateExtension();
+  EXPECT_TRUE(runtime_data.IsBackgroundPageReady(no_background));
+
+  // An extension with a background page is not ready until the flag is set.
+  scoped_refptr<Extension> with_background =
+      CreateExtensionWithBackgroundPage();
+  EXPECT_FALSE(runtime_data.IsBackgroundPageReady(with_background));
+
+  // The flag can be toggled.
+  runtime_data.SetBackgroundPageReady(with_background, true);
+  EXPECT_TRUE(runtime_data.IsBackgroundPageReady(with_background));
+  runtime_data.SetBackgroundPageReady(with_background, false);
+  EXPECT_FALSE(runtime_data.IsBackgroundPageReady(with_background));
+}
+
+TEST_F(RuntimeDataTest, IsBeingUpgraded) {
+  ExtensionRegistry registry;
+  RuntimeData runtime_data(&registry);
+  scoped_refptr<Extension> extension = CreateExtension();
+
+  // An extension is not being upgraded until the flag is set.
+  EXPECT_FALSE(runtime_data.IsBeingUpgraded(extension));
+
+  // The flag can be toggled.
+  runtime_data.SetBeingUpgraded(extension, true);
+  EXPECT_TRUE(runtime_data.IsBeingUpgraded(extension));
+  runtime_data.SetBeingUpgraded(extension, false);
+  EXPECT_FALSE(runtime_data.IsBeingUpgraded(extension));
+}
+
+// TODO(mpcomplete): Remove. http://crbug.com/100411
+TEST_F(RuntimeDataTest, HasUsedWebRequest) {
+  ExtensionRegistry registry;
+  RuntimeData runtime_data(&registry);
+  scoped_refptr<Extension> extension = CreateExtension();
+
+  // An extension has not used web request until the flag is set.
+  EXPECT_FALSE(runtime_data.HasUsedWebRequest(extension));
+
+  // The flag can be toggled.
+  runtime_data.SetHasUsedWebRequest(extension, true);
+  EXPECT_TRUE(runtime_data.HasUsedWebRequest(extension));
+  runtime_data.SetHasUsedWebRequest(extension, false);
+  EXPECT_FALSE(runtime_data.HasUsedWebRequest(extension));
+}
+
+// Unloading an extension stops tracking it.
+TEST_F(RuntimeDataTest, OnExtensionUnloaded) {
+  ExtensionRegistry registry;
+  RuntimeData runtime_data(&registry);
+  scoped_refptr<Extension> extension = CreateExtensionWithBackgroundPage();
+  runtime_data.SetBackgroundPageReady(extension, true);
+  ASSERT_TRUE(runtime_data.HasExtensionForTesting(extension));
+
+  runtime_data.OnExtensionUnloaded(extension);
+  EXPECT_FALSE(runtime_data.HasExtensionForTesting(extension));
+}
+
+}  // namespace
+}  // namespace extensions