src/chrome/browser/extensions/api/declarative_content/chrome_content_rules_registry_unittest.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "chrome/browser/extensions/api/declarative_content/chrome_content_rules_registry.h"
   6
   7 #include <string>
   8
   9 #include "base/test/values_test_util.h"
  10 #include "chrome/browser/extensions/extension_tab_util.h"
  11 #include "chrome/browser/extensions/test_extension_environment.h"
  12 #include "chrome/test/base/testing_profile.h"
  13 #include "content/public/browser/navigation_details.h"
  14 #include "content/public/browser/web_contents.h"
  15 #include "content/public/common/frame_navigate_params.h"
  16 #include "testing/gmock/include/gmock/gmock.h"
  17 #include "testing/gtest/include/gtest/gtest.h"
  18
  19 namespace extensions {
  20
  21 using base::test::ParseJson;
  22 using testing::HasSubstr;
  23 using content::WebContents;
  24
  25 // Must be outside the anonymous namespace to be a friend of
  26 // ContentRulesRegistry.
  27 class DeclarativeChromeContentRulesRegistryTest : public testing::Test {
  28  protected:
  29   static const std::map<int, std::set<ContentRule*> >& active_rules(
  30       const ChromeContentRulesRegistry& registry) {
  31     return registry.active_rules_;
  32   }
  33 };
  34
  35 namespace {
  36
  37 TEST_F(DeclarativeChromeContentRulesRegistryTest, ActiveRulesDoesntGrow) {
  38   TestExtensionEnvironment env;
  39
  40   scoped_refptr<ChromeContentRulesRegistry> registry(
  41       new ChromeContentRulesRegistry(env.profile(), NULL));
  42
  43   EXPECT_EQ(0u, active_rules(*registry.get()).size());
  44
  45   content::LoadCommittedDetails load_details;
  46   content::FrameNavigateParams navigate_params;
  47   scoped_ptr<WebContents> tab = env.MakeTab();
  48   registry->DidNavigateMainFrame(tab.get(), load_details, navigate_params);
  49   EXPECT_EQ(0u, active_rules(*registry.get()).size());
  50
  51   // Add a rule.
  52   linked_ptr<RulesRegistry::Rule> rule(new RulesRegistry::Rule);
  53   RulesRegistry::Rule::Populate(
  54       *ParseJson(
  55           "{\n"
  56           "  \"id\": \"rule1\",\n"
  57           "  \"priority\": 100,\n"
  58           "  \"conditions\": [\n"
  59           "    {\n"
  60           "      \"instanceType\": \"declarativeContent.PageStateMatcher\",\n"
  61           "      \"css\": [\"input\"]\n"
  62           "    }],\n"
  63           "  \"actions\": [\n"
  64           "    { \"instanceType\": \"declarativeContent.ShowPageAction\" }\n"
  65           "  ]\n"
  66           "}"),
  67       rule.get());
  68   std::vector<linked_ptr<RulesRegistry::Rule> > rules;
  69   rules.push_back(rule);
  70
  71   const Extension* extension = env.MakeExtension(*ParseJson(
  72       "{\"page_action\": {}}"));
  73   registry->AddRulesImpl(extension->id(), rules);
  74
  75   registry->DidNavigateMainFrame(tab.get(), load_details, navigate_params);
  76   EXPECT_EQ(0u, active_rules(*registry.get()).size());
  77
  78   std::vector<std::string> css_selectors;
  79   css_selectors.push_back("input");
  80   registry->Apply(tab.get(), css_selectors);
  81   EXPECT_EQ(1u, active_rules(*registry.get()).size());
  82
  83   // Closing the tab should erase its entry from active_rules_.
  84   tab.reset();
  85   EXPECT_EQ(0u, active_rules(*registry.get()).size());
  86
  87   tab = env.MakeTab();
  88   registry->Apply(tab.get(), css_selectors);
  89   EXPECT_EQ(1u, active_rules(*registry.get()).size());
  90   // Navigating the tab should erase its entry from active_rules_ if
  91   // it no longer matches.
  92   registry->DidNavigateMainFrame(tab.get(), load_details, navigate_params);
  93   EXPECT_EQ(0u, active_rules(*registry.get()).size());
  94 }
  95
  96 }  // namespace
  97 }  // namespace extensions