Move most extension feature unit tests to extensions_unittests

extensions/common/features/base_feature_provider_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/common/features/base_feature_provider.h"
 
-#include "chrome/common/extensions/features/chrome_channel_feature_filter.h"
-#include "chrome/common/extensions/features/feature_channel.h"
-#include "extensions/common/features/permission_feature.h"
+#include <set>
+#include <string>
+
+#include "extensions/common/extension_builder.h"
+#include "extensions/common/features/feature.h"
+#include "extensions/common/features/simple_feature.h"
+#include "extensions/common/manifest.h"
 #include "extensions/common/value_builder.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
-using chrome::VersionInfo;
-
 namespace extensions {
 
-namespace {
-
-template <class FeatureClass>
-SimpleFeature* CreateFeature() {
-  SimpleFeature* feature = new FeatureClass();
-  feature->AddFilter(
-      scoped_ptr<SimpleFeatureFilter>(new ChromeChannelFeatureFilter(feature)));
-  return feature;
-}
-
-}  // namespace
-
-TEST(BaseFeatureProviderTest, ManifestFeatures) {
+// Tests that a real manifest feature is available for the correct types of
+// extensions and apps.
+TEST(BaseFeatureProviderTest, ManifestFeatureTypes) {
   const FeatureProvider* provider = BaseFeatureProvider::GetByName("manifest");
+  // NOTE: This feature cannot have multiple rules, otherwise it is not a
+  // SimpleFeature.
   SimpleFeature* feature =
       static_cast<SimpleFeature*>(provider->GetFeature("description"));
   ASSERT_TRUE(feature);
-  EXPECT_EQ(6u, feature->extension_types()->size());
-  EXPECT_EQ(1u, feature->extension_types()->count(Manifest::TYPE_EXTENSION));
-  EXPECT_EQ(1u,
-      feature->extension_types()->count(Manifest::TYPE_LEGACY_PACKAGED_APP));
-  EXPECT_EQ(1u,
-            feature->extension_types()->count(Manifest::TYPE_PLATFORM_APP));
-  EXPECT_EQ(1u, feature->extension_types()->count(Manifest::TYPE_HOSTED_APP));
-  EXPECT_EQ(1u, feature->extension_types()->count(Manifest::TYPE_THEME));
-  EXPECT_EQ(1u,
-            feature->extension_types()->count(Manifest::TYPE_SHARED_MODULE));
-
-  base::DictionaryValue manifest;
-  manifest.SetString("name", "test extension");
-  manifest.SetString("version", "1");
-  manifest.SetString("description", "hello there");
-
-  std::string error;
-  scoped_refptr<const Extension> extension(Extension::Create(
-      base::FilePath(), Manifest::INTERNAL, manifest, Extension::NO_FLAGS,
-      &error));
-
-  ASSERT_TRUE(extension.get());
-  EXPECT_EQ(Feature::IS_AVAILABLE, feature->IsAvailableToContext(
-      extension.get(), Feature::UNSPECIFIED_CONTEXT).result());
-
-  feature =
-    static_cast<SimpleFeature*>(provider->GetFeature("theme"));
-  ASSERT_TRUE(feature);
-  EXPECT_EQ(Feature::INVALID_TYPE, feature->IsAvailableToContext(
-      extension.get(), Feature::UNSPECIFIED_CONTEXT).result());
-
-  feature =
-    static_cast<SimpleFeature*>(provider->GetFeature("devtools_page"));
-  ASSERT_TRUE(feature);
-  EXPECT_EQ(Feature::NOT_PRESENT, feature->IsAvailableToContext(
-      extension.get(), Feature::UNSPECIFIED_CONTEXT).result());
+  std::set<Manifest::Type>* extension_types = feature->extension_types();
+  EXPECT_EQ(6u, extension_types->size());
+  EXPECT_EQ(1u, extension_types->count(Manifest::TYPE_EXTENSION));
+  EXPECT_EQ(1u, extension_types->count(Manifest::TYPE_LEGACY_PACKAGED_APP));
+  EXPECT_EQ(1u, extension_types->count(Manifest::TYPE_PLATFORM_APP));
+  EXPECT_EQ(1u, extension_types->count(Manifest::TYPE_HOSTED_APP));
+  EXPECT_EQ(1u, extension_types->count(Manifest::TYPE_THEME));
+  EXPECT_EQ(1u, extension_types->count(Manifest::TYPE_SHARED_MODULE));
 }
 
-TEST(BaseFeatureProviderTest, PermissionFeatures) {
+// Tests that real manifest features have the correct availability for an
+// extension.
+TEST(BaseFeatureProviderTest, ManifestFeatureAvailability) {
+  const FeatureProvider* provider = BaseFeatureProvider::GetByName("manifest");
+
+  scoped_refptr<const Extension> extension =
+      ExtensionBuilder()
+          .SetManifest(DictionaryBuilder()
+                           .Set("name", "test extension")
+                           .Set("version", "1")
+                           .Set("description", "hello there"))
+          .Build();
+  ASSERT_TRUE(extension.get());
+
+  Feature* feature = provider->GetFeature("description");
+  EXPECT_EQ(Feature::IS_AVAILABLE,
+            feature->IsAvailableToContext(extension.get(),
+                                          Feature::UNSPECIFIED_CONTEXT,
+                                          GURL()).result());
+
+  // This is a generic extension, so an app-only feature isn't allowed.
+  feature = provider->GetFeature("app.background");
+  ASSERT_TRUE(feature);
+  EXPECT_EQ(Feature::INVALID_TYPE,
+            feature->IsAvailableToContext(extension.get(),
+                                          Feature::UNSPECIFIED_CONTEXT,
+                                          GURL()).result());
+
+  // A feature not listed in the manifest isn't allowed.
+  feature = provider->GetFeature("background");
+  ASSERT_TRUE(feature);
+  EXPECT_EQ(Feature::NOT_PRESENT,
+            feature->IsAvailableToContext(extension.get(),
+                                          Feature::UNSPECIFIED_CONTEXT,
+                                          GURL()).result());
+}
+
+// Tests that a real permission feature is available for the correct types of
+// extensions and apps.
+TEST(BaseFeatureProviderTest, PermissionFeatureTypes) {
   const FeatureProvider* provider =
       BaseFeatureProvider::GetByName("permission");
+  // NOTE: This feature cannot have multiple rules, otherwise it is not a
+  // SimpleFeature.
   SimpleFeature* feature =
-      static_cast<SimpleFeature*>(provider->GetFeature("contextMenus"));
+      static_cast<SimpleFeature*>(provider->GetFeature("power"));
   ASSERT_TRUE(feature);
-  EXPECT_EQ(3u, feature->extension_types()->size());
-  EXPECT_EQ(1u, feature->extension_types()->count(Manifest::TYPE_EXTENSION));
-  EXPECT_EQ(1u,
-      feature->extension_types()->count(Manifest::TYPE_LEGACY_PACKAGED_APP));
-  EXPECT_EQ(1u,
-            feature->extension_types()->count(Manifest::TYPE_PLATFORM_APP));
-
-  base::DictionaryValue manifest;
-  manifest.SetString("name", "test extension");
-  manifest.SetString("version", "1");
-  base::ListValue* permissions = new base::ListValue();
-  manifest.Set("permissions", permissions);
-  permissions->Append(new base::StringValue("contextMenus"));
-
-  std::string error;
-  scoped_refptr<const Extension> extension(Extension::Create(
-      base::FilePath(), Manifest::INTERNAL, manifest, Extension::NO_FLAGS,
-      &error));
-
-  ASSERT_TRUE(extension.get());
-  EXPECT_EQ(Feature::IS_AVAILABLE, feature->IsAvailableToContext(
-      extension.get(), Feature::UNSPECIFIED_CONTEXT).result());
-
-  feature =
-    static_cast<SimpleFeature*>(provider->GetFeature("chromePrivate"));
-  ASSERT_TRUE(feature);
-  EXPECT_EQ(Feature::NOT_FOUND_IN_WHITELIST, feature->IsAvailableToContext(
-      extension.get(), Feature::UNSPECIFIED_CONTEXT).result());
-
-  feature =
-    static_cast<SimpleFeature*>(provider->GetFeature("clipboardWrite"));
-  ASSERT_TRUE(feature);
-  EXPECT_EQ(Feature::NOT_PRESENT, feature->IsAvailableToContext(
-      extension.get(), Feature::UNSPECIFIED_CONTEXT).result());
+  std::set<Manifest::Type>* extension_types = feature->extension_types();
+  EXPECT_EQ(3u, extension_types->size());
+  EXPECT_EQ(1u, extension_types->count(Manifest::TYPE_EXTENSION));
+  EXPECT_EQ(1u, extension_types->count(Manifest::TYPE_LEGACY_PACKAGED_APP));
+  EXPECT_EQ(1u, extension_types->count(Manifest::TYPE_PLATFORM_APP));
 }
 
-TEST(BaseFeatureProviderTest, Validation) {
-  scoped_ptr<base::DictionaryValue> value(new base::DictionaryValue());
+// Tests that real permission features have the correct availability for an app.
+TEST(BaseFeatureProviderTest, PermissionFeatureAvailability) {
+  const FeatureProvider* provider =
+      BaseFeatureProvider::GetByName("permission");
 
-  base::DictionaryValue* feature1 = new base::DictionaryValue();
-  feature1->SetString("channel", "trunk");
-  value->Set("feature1", feature1);
+  scoped_refptr<const Extension> app =
+      ExtensionBuilder()
+          .SetManifest(DictionaryBuilder()
+                           .Set("name", "test app")
+                           .Set("version", "1")
+                           .Set("app",
+                                DictionaryBuilder().Set(
+                                    "background",
+                                    DictionaryBuilder().Set(
+                                        "scripts",
+                                        ListBuilder().Append("background.js"))))
+                           .Set("permissions", ListBuilder().Append("power")))
+          .Build();
+  ASSERT_TRUE(app.get());
+  ASSERT_TRUE(app->is_platform_app());
 
-  base::DictionaryValue* feature2 = new base::DictionaryValue();
-  feature2->SetString("channel", "trunk");
-  base::ListValue* extension_types = new base::ListValue();
-  extension_types->Append(new base::StringValue("extension"));
-  feature2->Set("extension_types", extension_types);
-  base::ListValue* contexts = new base::ListValue();
-  contexts->Append(new base::StringValue("blessed_extension"));
-  feature2->Set("contexts", contexts);
-  value->Set("feature2", feature2);
+  // A permission requested in the manifest is available.
+  Feature* feature = provider->GetFeature("power");
+  EXPECT_EQ(
+      Feature::IS_AVAILABLE,
+      feature->IsAvailableToContext(
+                   app.get(), Feature::UNSPECIFIED_CONTEXT, GURL()).result());
 
-  scoped_ptr<BaseFeatureProvider> provider(
-      new BaseFeatureProvider(*value, CreateFeature<PermissionFeature>));
+  // A permission only available to whitelisted extensions returns availability
+  // NOT_FOUND_IN_WHITELIST.
+  feature = provider->GetFeature("bluetoothPrivate");
+  ASSERT_TRUE(feature);
+  EXPECT_EQ(
+      Feature::NOT_FOUND_IN_WHITELIST,
+      feature->IsAvailableToContext(
+                   app.get(), Feature::UNSPECIFIED_CONTEXT, GURL()).result());
 
-  // feature1 won't validate because it lacks an extension type.
-  EXPECT_FALSE(provider->GetFeature("feature1"));
-
-  // If we add one, it works.
-  feature1->Set("extension_types", extension_types->DeepCopy());
-  provider.reset(
-      new BaseFeatureProvider(*value, CreateFeature<PermissionFeature>));
-  EXPECT_TRUE(provider->GetFeature("feature1"));
-
-  // Remove the channel, and feature1 won't validate.
-  feature1->Remove("channel", NULL);
-  provider.reset(
-      new BaseFeatureProvider(*value, CreateFeature<PermissionFeature>));
-  EXPECT_FALSE(provider->GetFeature("feature1"));
-
-  // feature2 won't validate because of the presence of "contexts".
-  EXPECT_FALSE(provider->GetFeature("feature2"));
-
-  // If we remove it, it works.
-  feature2->Remove("contexts", NULL);
-  provider.reset(
-      new BaseFeatureProvider(*value, CreateFeature<PermissionFeature>));
-  EXPECT_TRUE(provider->GetFeature("feature2"));
-}
-
-TEST(BaseFeatureProviderTest, ComplexFeatures) {
-  scoped_ptr<base::DictionaryValue> rule(
-      DictionaryBuilder()
-      .Set("feature1", ListBuilder()
-          .Append(DictionaryBuilder()
-              .Set("channel", "beta")
-              .Set("extension_types", ListBuilder()
-                  .Append("extension")))
-                  .Append(DictionaryBuilder()
-                      .Set("channel", "beta")
-                      .Set("extension_types", ListBuilder()
-                          .Append("legacy_packaged_app"))))
-      .Build());
-
-  scoped_ptr<BaseFeatureProvider> provider(
-      new BaseFeatureProvider(*rule, CreateFeature<SimpleFeature>));
-
-  Feature* feature = provider->GetFeature("feature1");
-  EXPECT_TRUE(feature);
-
-  // Make sure both rules are applied correctly.
-  {
-    ScopedCurrentChannel current_channel(VersionInfo::CHANNEL_BETA);
-    EXPECT_EQ(
-        Feature::IS_AVAILABLE,
-        feature->IsAvailableToManifest("1",
-                                       Manifest::TYPE_EXTENSION,
-                                       Manifest::INVALID_LOCATION,
-                                       Feature::UNSPECIFIED_PLATFORM).result());
-    EXPECT_EQ(
-        Feature::IS_AVAILABLE,
-        feature->IsAvailableToManifest("2",
-                                       Manifest::TYPE_LEGACY_PACKAGED_APP,
-                                       Manifest::INVALID_LOCATION,
-                                       Feature::UNSPECIFIED_PLATFORM).result());
-  }
-  {
-    ScopedCurrentChannel current_channel(VersionInfo::CHANNEL_STABLE);
-    EXPECT_NE(
-        Feature::IS_AVAILABLE,
-        feature->IsAvailableToManifest("1",
-                                       Manifest::TYPE_EXTENSION,
-                                       Manifest::INVALID_LOCATION,
-                                       Feature::UNSPECIFIED_PLATFORM).result());
-    EXPECT_NE(
-        Feature::IS_AVAILABLE,
-        feature->IsAvailableToManifest("2",
-                                       Manifest::TYPE_LEGACY_PACKAGED_APP,
-                                       Manifest::INVALID_LOCATION,
-                                       Feature::UNSPECIFIED_PLATFORM).result());
-  }
+  // A permission that isn't part of the manifest returns NOT_PRESENT.
+  feature = provider->GetFeature("serial");
+  ASSERT_TRUE(feature);
+  EXPECT_EQ(
+      Feature::NOT_PRESENT,
+      feature->IsAvailableToContext(
+                   app.get(), Feature::UNSPECIFIED_CONTEXT, GURL()).result());
 }
 
 }  // namespace extensions