extensions/browser/api/declarative/declarative_rule_unittest.cc - chromium/src - Git at Google

 // Copyright (c) 2013 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/api/declarative/declarative_rule.h"

 #include "base/bind.h"
 #include "base/test/values_test_util.h"
 #include "base/values.h"
 #include "components/url_matcher/url_matcher_constants.h"
 #include "extensions/common/extension_builder.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"

 using base::test::ParseJson;
 using url_matcher::URLMatcher;
 using url_matcher::URLMatcherConditionFactory;
 using url_matcher::URLMatcherConditionSet;

 namespace extensions {

 namespace {

 std::unique_ptr<base::DictionaryValue> SimpleManifest() {
   return DictionaryBuilder()
       .Set("name", "extension")
       .Set("manifest_version", 2)
       .Set("version", "1.0")
       .Build();
 }

 }  // namespace

 struct RecordingCondition {
   typedef int MatchData;

   URLMatcherConditionFactory* factory;
   std::unique_ptr<base::Value> value;

   void GetURLMatcherConditionSets(
       URLMatcherConditionSet::Vector* condition_sets) const {
     // No condition sets.
   }

   static std::unique_ptr<RecordingCondition> Create(
       const Extension* extension,
       URLMatcherConditionFactory* url_matcher_condition_factory,
       const base::Value& condition,
       std::string* error) {
     const base::DictionaryValue* dict = NULL;
     if (condition.GetAsDictionary(&dict) && dict->HasKey("bad_key")) {
       *error = "Found error key";
       return std::unique_ptr<RecordingCondition>();
     }

     std::unique_ptr<RecordingCondition> result(new RecordingCondition());
     result->factory = url_matcher_condition_factory;
     result->value.reset(condition.DeepCopy());
     return result;
   }
 };
 typedef DeclarativeConditionSet<RecordingCondition> RecordingConditionSet;

 TEST(DeclarativeConditionTest, ErrorConditionSet) {
   URLMatcher matcher;
   RecordingConditionSet::Values conditions;
   conditions.push_back(ParseJson("{\"key\": 1}"));
   conditions.push_back(ParseJson("{\"bad_key\": 2}"));

   std::string error;
   std::unique_ptr<RecordingConditionSet> result = RecordingConditionSet::Create(
       NULL, matcher.condition_factory(), conditions, &error);
   EXPECT_EQ("Found error key", error);
   ASSERT_FALSE(result);
 }

 TEST(DeclarativeConditionTest, CreateConditionSet) {
   URLMatcher matcher;
   RecordingConditionSet::Values conditions;
   conditions.push_back(ParseJson("{\"key\": 1}"));
   conditions.push_back(ParseJson("[\"val1\", 2]"));

   // Test insertion
   std::string error;
   std::unique_ptr<RecordingConditionSet> result = RecordingConditionSet::Create(
       NULL, matcher.condition_factory(), conditions, &error);
   EXPECT_EQ("", error);
   ASSERT_TRUE(result);
   EXPECT_EQ(2u, result->conditions().size());

   EXPECT_EQ(matcher.condition_factory(), result->conditions()[0]->factory);
   EXPECT_TRUE(ParseJson("{\"key\": 1}")->Equals(
       result->conditions()[0]->value.get()));
 }

 struct FulfillableCondition {
   struct MatchData {
     int value;
     const std::set<URLMatcherConditionSet::ID>& url_matches;
   };

   scoped_refptr<URLMatcherConditionSet> condition_set;
   int condition_set_id;
   int max_value;

   URLMatcherConditionSet::ID url_matcher_condition_set_id() const {
     return condition_set_id;
   }

   scoped_refptr<URLMatcherConditionSet> url_matcher_condition_set() const {
     return condition_set;
   }

   void GetURLMatcherConditionSets(
       URLMatcherConditionSet::Vector* condition_sets) const {
     if (condition_set.get())
       condition_sets->push_back(condition_set);
   }

   bool IsFulfilled(const MatchData& match_data) const {
     if (condition_set_id != -1 &&
         !base::ContainsKey(match_data.url_matches, condition_set_id))
       return false;
     return match_data.value <= max_value;
   }

   static std::unique_ptr<FulfillableCondition> Create(
       const Extension* extension,
       URLMatcherConditionFactory* url_matcher_condition_factory,
       const base::Value& condition,
       std::string* error) {
     std::unique_ptr<FulfillableCondition> result(new FulfillableCondition());
     const base::DictionaryValue* dict;
     if (!condition.GetAsDictionary(&dict)) {
       *error = "Expected dict";
       return result;
     }
     if (!dict->GetInteger("url_id", &result->condition_set_id))
       result->condition_set_id = -1;
     if (!dict->GetInteger("max", &result->max_value))
       *error = "Expected integer at ['max']";
     if (result->condition_set_id != -1) {
       result->condition_set = new URLMatcherConditionSet(
           result->condition_set_id,
           URLMatcherConditionSet::Conditions());
     }
     return result;
   }
 };

 TEST(DeclarativeConditionTest, FulfillConditionSet) {
   typedef DeclarativeConditionSet<FulfillableCondition> FulfillableConditionSet;
   FulfillableConditionSet::Values conditions;
   conditions.push_back(ParseJson("{\"url_id\": 1, \"max\": 3}"));
   conditions.push_back(ParseJson("{\"url_id\": 2, \"max\": 5}"));
   conditions.push_back(ParseJson("{\"url_id\": 3, \"max\": 1}"));
   conditions.push_back(ParseJson("{\"max\": -5}"));  // No url.

   // Test insertion
   std::string error;
   std::unique_ptr<FulfillableConditionSet> result =
       FulfillableConditionSet::Create(NULL, NULL, conditions, &error);
   ASSERT_EQ("", error);
   ASSERT_TRUE(result);
   EXPECT_EQ(4u, result->conditions().size());

   std::set<URLMatcherConditionSet::ID> url_matches;
   FulfillableCondition::MatchData match_data = { 0, url_matches };
   EXPECT_FALSE(result->IsFulfilled(1, match_data))
       << "Testing an ID that's not in url_matches forwards to the Condition, "
       << "which doesn't match.";
   EXPECT_FALSE(result->IsFulfilled(-1, match_data))
       << "Testing the 'no ID' value tries to match the 4th condition, but "
       << "its max is too low.";
   match_data.value = -5;
   EXPECT_TRUE(result->IsFulfilled(-1, match_data))
       << "Testing the 'no ID' value tries to match the 4th condition, and "
       << "this value is low enough.";

   url_matches.insert(1);
   match_data.value = 3;
   EXPECT_TRUE(result->IsFulfilled(1, match_data))
       << "Tests a condition with a url matcher, for a matching value.";
   match_data.value = 4;
   EXPECT_FALSE(result->IsFulfilled(1, match_data))
       << "Tests a condition with a url matcher, for a non-matching value "
       << "that would match a different condition.";
   url_matches.insert(2);
   EXPECT_TRUE(result->IsFulfilled(2, match_data))
       << "Tests with 2 elements in the match set.";

   // Check the condition sets:
   URLMatcherConditionSet::Vector condition_sets;
   result->GetURLMatcherConditionSets(&condition_sets);
   ASSERT_EQ(3U, condition_sets.size());
   EXPECT_EQ(1, condition_sets[0]->id());
   EXPECT_EQ(2, condition_sets[1]->id());
   EXPECT_EQ(3, condition_sets[2]->id());
 }

 // DeclarativeAction

 class SummingAction : public base::RefCounted<SummingAction> {
  public:
   typedef int ApplyInfo;

   SummingAction(int increment, int min_priority)
       : increment_(increment), min_priority_(min_priority) {}

   static scoped_refptr<const SummingAction> Create(
       content::BrowserContext* browser_context,
       const Extension* extension,
       const base::Value& action,
       std::string* error,
       bool* bad_message) {
     int increment = 0;
     int min_priority = 0;
     const base::DictionaryValue* dict = NULL;
     EXPECT_TRUE(action.GetAsDictionary(&dict));
     if (dict->HasKey("error")) {
       EXPECT_TRUE(dict->GetString("error", error));
       return scoped_refptr<const SummingAction>(NULL);
     }
     if (dict->HasKey("bad")) {
       *bad_message = true;
       return scoped_refptr<const SummingAction>(NULL);
     }

     EXPECT_TRUE(dict->GetInteger("value", &increment));
     dict->GetInteger("priority", &min_priority);
     return scoped_refptr<const SummingAction>(
         new SummingAction(increment, min_priority));
   }

   void Apply(const std::string& extension_id,
              const base::Time& install_time,
              int* sum) const {
     *sum += increment_;
   }

   int increment() const { return increment_; }
   int minimum_priority() const {
     return min_priority_;
   }

  private:
   friend class base::RefCounted<SummingAction>;
   virtual ~SummingAction() {}

   int increment_;
   int min_priority_;
 };
 typedef DeclarativeActionSet<SummingAction> SummingActionSet;

 TEST(DeclarativeActionTest, ErrorActionSet) {
   SummingActionSet::Values actions;
   actions.push_back(ParseJson("{\"value\": 1}"));
   actions.push_back(ParseJson("{\"error\": \"the error\"}"));

   std::string error;
   bool bad = false;
   std::unique_ptr<SummingActionSet> result =
       SummingActionSet::Create(NULL, NULL, actions, &error, &bad);
   EXPECT_EQ("the error", error);
   EXPECT_FALSE(bad);
   EXPECT_FALSE(result);

   actions.clear();
   actions.push_back(ParseJson("{\"value\": 1}"));
   actions.push_back(ParseJson("{\"bad\": 3}"));
   result = SummingActionSet::Create(NULL, NULL, actions, &error, &bad);
   EXPECT_EQ("", error);
   EXPECT_TRUE(bad);
   EXPECT_FALSE(result);
 }

 TEST(DeclarativeActionTest, ApplyActionSet) {
   SummingActionSet::Values actions;
   actions.push_back(
       ParseJson("{\"value\": 1,"
                 " \"priority\": 5}"));
   actions.push_back(ParseJson("{\"value\": 2}"));

   // Test insertion
   std::string error;
   bool bad = false;
   std::unique_ptr<SummingActionSet> result =
       SummingActionSet::Create(NULL, NULL, actions, &error, &bad);
   EXPECT_EQ("", error);
   EXPECT_FALSE(bad);
   ASSERT_TRUE(result);
   EXPECT_EQ(2u, result->actions().size());

   int sum = 0;
   result->Apply("ext_id", base::Time(), &sum);
   EXPECT_EQ(3, sum);
   EXPECT_EQ(5, result->GetMinimumPriority());
 }

 TEST(DeclarativeRuleTest, Create) {
   typedef DeclarativeRule<FulfillableCondition, SummingAction> Rule;
   Rule::JsonRule json_rule;
   ASSERT_TRUE(
       Rule::JsonRule::Populate(*ParseJson("{ \n"
                                           "  \"id\": \"rule1\", \n"
                                           "  \"conditions\": [ \n"
                                           "    {\"url_id\": 1, \"max\": 3}, \n"
                                           "    {\"url_id\": 2, \"max\": 5}, \n"
                                           "  ], \n"
                                           "  \"actions\": [ \n"
                                           "    { \n"
                                           "      \"value\": 2 \n"
                                           "    } \n"
                                           "  ], \n"
                                           "  \"priority\": 200 \n"
                                           "}"),
                                &json_rule));

   const char kExtensionId[] = "ext1";
   scoped_refptr<const Extension> extension = ExtensionBuilder()
                                                  .SetManifest(SimpleManifest())
                                                  .SetID(kExtensionId)
                                                  .Build();

   base::Time install_time = base::Time::Now();

   URLMatcher matcher;
   std::string error;
   std::unique_ptr<Rule> rule(Rule::Create(
       matcher.condition_factory(), NULL, extension.get(), install_time,
       json_rule, Rule::ConsistencyChecker(), &error));
   EXPECT_EQ("", error);
   ASSERT_TRUE(rule.get());

   EXPECT_EQ(kExtensionId, rule->id().first);
   EXPECT_EQ("rule1", rule->id().second);

   EXPECT_EQ(200, rule->priority());

   const Rule::ConditionSet& condition_set = rule->conditions();
   const Rule::ConditionSet::Conditions& conditions =
       condition_set.conditions();
   ASSERT_EQ(2u, conditions.size());
   EXPECT_EQ(3, conditions[0]->max_value);
   EXPECT_EQ(5, conditions[1]->max_value);

   const Rule::ActionSet& action_set = rule->actions();
   const Rule::ActionSet::Actions& actions = action_set.actions();
   ASSERT_EQ(1u, actions.size());
   EXPECT_EQ(2, actions[0]->increment());

   int sum = 0;
   rule->Apply(&sum);
   EXPECT_EQ(2, sum);
 }

 bool AtLeastOneCondition(
     const DeclarativeConditionSet<FulfillableCondition>* conditions,
     const DeclarativeActionSet<SummingAction>* actions,
     std::string* error) {
   if (conditions->conditions().empty()) {
     *error = "No conditions";
     return false;
   }
   return true;
 }

 TEST(DeclarativeRuleTest, CheckConsistency) {
   typedef DeclarativeRule<FulfillableCondition, SummingAction> Rule;
   URLMatcher matcher;
   std::string error;
   Rule::JsonRule json_rule;
   const char kExtensionId[] = "ext1";
   scoped_refptr<const Extension> extension = ExtensionBuilder()
                                                  .SetManifest(SimpleManifest())
                                                  .SetID(kExtensionId)
                                                  .Build();

   ASSERT_TRUE(
       Rule::JsonRule::Populate(*ParseJson("{ \n"
                                           "  \"id\": \"rule1\", \n"
                                           "  \"conditions\": [ \n"
                                           "    {\"url_id\": 1, \"max\": 3}, \n"
                                           "    {\"url_id\": 2, \"max\": 5}, \n"
                                           "  ], \n"
                                           "  \"actions\": [ \n"
                                           "    { \n"
                                           "      \"value\": 2 \n"
                                           "    } \n"
                                           "  ], \n"
                                           "  \"priority\": 200 \n"
                                           "}"),
                                &json_rule));
   std::unique_ptr<Rule> rule(Rule::Create(
       matcher.condition_factory(), NULL, extension.get(), base::Time(),
       json_rule, base::Bind(AtLeastOneCondition), &error));
   EXPECT_TRUE(rule);
   EXPECT_EQ("", error);

   ASSERT_TRUE(Rule::JsonRule::Populate(*ParseJson("{ \n"
                                                   "  \"id\": \"rule1\", \n"
                                                   "  \"conditions\": [ \n"
                                                   "  ], \n"
                                                   "  \"actions\": [ \n"
                                                   "    { \n"
                                                   "      \"value\": 2 \n"
                                                   "    } \n"
                                                   "  ], \n"
                                                   "  \"priority\": 200 \n"
                                                   "}"),
                                        &json_rule));
   rule = Rule::Create(matcher.condition_factory(), NULL, extension.get(),
                       base::Time(), json_rule, base::Bind(AtLeastOneCondition),
                       &error);
   EXPECT_FALSE(rule);
   EXPECT_EQ("No conditions", error);
 }

 }  // namespace extensions
	// Copyright (c) 2013 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/api/declarative/declarative_rule.h"

	#include "base/bind.h"
	#include "base/test/values_test_util.h"
	#include "base/values.h"
	#include "components/url_matcher/url_matcher_constants.h"
	#include "extensions/common/extension_builder.h"
	#include "testing/gmock/include/gmock/gmock.h"
	#include "testing/gtest/include/gtest/gtest.h"

	using base::test::ParseJson;
	using url_matcher::URLMatcher;
	using url_matcher::URLMatcherConditionFactory;
	using url_matcher::URLMatcherConditionSet;

	namespace extensions {

	namespace {

	std::unique_ptr<base::DictionaryValue> SimpleManifest() {
	return DictionaryBuilder()
	.Set("name", "extension")
	.Set("manifest_version", 2)
	.Set("version", "1.0")
	.Build();
	}

	} // namespace

	struct RecordingCondition {
	typedef int MatchData;

	URLMatcherConditionFactory* factory;
	std::unique_ptr<base::Value> value;

	void GetURLMatcherConditionSets(
	URLMatcherConditionSet::Vector* condition_sets) const {
	// No condition sets.
	}

	static std::unique_ptr<RecordingCondition> Create(
	const Extension* extension,
	URLMatcherConditionFactory* url_matcher_condition_factory,
	const base::Value& condition,
	std::string* error) {
	const base::DictionaryValue* dict = NULL;
	if (condition.GetAsDictionary(&dict) && dict->HasKey("bad_key")) {
	*error = "Found error key";
	return std::unique_ptr<RecordingCondition>();
	}

	std::unique_ptr<RecordingCondition> result(new RecordingCondition());
	result->factory = url_matcher_condition_factory;
	result->value.reset(condition.DeepCopy());
	return result;
	}
	};
	typedef DeclarativeConditionSet<RecordingCondition> RecordingConditionSet;

	TEST(DeclarativeConditionTest, ErrorConditionSet) {
	URLMatcher matcher;
	RecordingConditionSet::Values conditions;
	conditions.push_back(ParseJson("{\"key\": 1}"));
	conditions.push_back(ParseJson("{\"bad_key\": 2}"));

	std::string error;
	std::unique_ptr<RecordingConditionSet> result = RecordingConditionSet::Create(
	NULL, matcher.condition_factory(), conditions, &error);
	EXPECT_EQ("Found error key", error);
	ASSERT_FALSE(result);
	}

	TEST(DeclarativeConditionTest, CreateConditionSet) {
	URLMatcher matcher;
	RecordingConditionSet::Values conditions;
	conditions.push_back(ParseJson("{\"key\": 1}"));
	conditions.push_back(ParseJson("[\"val1\", 2]"));

	// Test insertion
	std::string error;
	std::unique_ptr<RecordingConditionSet> result = RecordingConditionSet::Create(
	NULL, matcher.condition_factory(), conditions, &error);
	EXPECT_EQ("", error);
	ASSERT_TRUE(result);
	EXPECT_EQ(2u, result->conditions().size());

	EXPECT_EQ(matcher.condition_factory(), result->conditions()[0]->factory);
	EXPECT_TRUE(ParseJson("{\"key\": 1}")->Equals(
	result->conditions()[0]->value.get()));
	}

	struct FulfillableCondition {
	struct MatchData {
	int value;
	const std::set<URLMatcherConditionSet::ID>& url_matches;
	};

	scoped_refptr<URLMatcherConditionSet> condition_set;
	int condition_set_id;
	int max_value;

	URLMatcherConditionSet::ID url_matcher_condition_set_id() const {
	return condition_set_id;
	}

	scoped_refptr<URLMatcherConditionSet> url_matcher_condition_set() const {
	return condition_set;
	}

	void GetURLMatcherConditionSets(
	URLMatcherConditionSet::Vector* condition_sets) const {
	if (condition_set.get())
	condition_sets->push_back(condition_set);
	}

	bool IsFulfilled(const MatchData& match_data) const {
	if (condition_set_id != -1 &&
	!base::ContainsKey(match_data.url_matches, condition_set_id))
	return false;
	return match_data.value <= max_value;
	}

	static std::unique_ptr<FulfillableCondition> Create(
	const Extension* extension,
	URLMatcherConditionFactory* url_matcher_condition_factory,
	const base::Value& condition,
	std::string* error) {
	std::unique_ptr<FulfillableCondition> result(new FulfillableCondition());
	const base::DictionaryValue* dict;
	if (!condition.GetAsDictionary(&dict)) {
	*error = "Expected dict";
	return result;
	}
	if (!dict->GetInteger("url_id", &result->condition_set_id))
	result->condition_set_id = -1;
	if (!dict->GetInteger("max", &result->max_value))
	*error = "Expected integer at ['max']";
	if (result->condition_set_id != -1) {
	result->condition_set = new URLMatcherConditionSet(
	result->condition_set_id,
	URLMatcherConditionSet::Conditions());
	}
	return result;
	}
	};

	TEST(DeclarativeConditionTest, FulfillConditionSet) {
	typedef DeclarativeConditionSet<FulfillableCondition> FulfillableConditionSet;
	FulfillableConditionSet::Values conditions;
	conditions.push_back(ParseJson("{\"url_id\": 1, \"max\": 3}"));
	conditions.push_back(ParseJson("{\"url_id\": 2, \"max\": 5}"));
	conditions.push_back(ParseJson("{\"url_id\": 3, \"max\": 1}"));
	conditions.push_back(ParseJson("{\"max\": -5}")); // No url.

	// Test insertion
	std::string error;
	std::unique_ptr<FulfillableConditionSet> result =
	FulfillableConditionSet::Create(NULL, NULL, conditions, &error);
	ASSERT_EQ("", error);
	ASSERT_TRUE(result);
	EXPECT_EQ(4u, result->conditions().size());

	std::set<URLMatcherConditionSet::ID> url_matches;
	FulfillableCondition::MatchData match_data = { 0, url_matches };
	EXPECT_FALSE(result->IsFulfilled(1, match_data))
	<< "Testing an ID that's not in url_matches forwards to the Condition, "
	<< "which doesn't match.";
	EXPECT_FALSE(result->IsFulfilled(-1, match_data))
	<< "Testing the 'no ID' value tries to match the 4th condition, but "
	<< "its max is too low.";
	match_data.value = -5;
	EXPECT_TRUE(result->IsFulfilled(-1, match_data))
	<< "Testing the 'no ID' value tries to match the 4th condition, and "
	<< "this value is low enough.";

	url_matches.insert(1);
	match_data.value = 3;
	EXPECT_TRUE(result->IsFulfilled(1, match_data))
	<< "Tests a condition with a url matcher, for a matching value.";
	match_data.value = 4;
	EXPECT_FALSE(result->IsFulfilled(1, match_data))
	<< "Tests a condition with a url matcher, for a non-matching value "
	<< "that would match a different condition.";
	url_matches.insert(2);
	EXPECT_TRUE(result->IsFulfilled(2, match_data))
	<< "Tests with 2 elements in the match set.";

	// Check the condition sets:
	URLMatcherConditionSet::Vector condition_sets;
	result->GetURLMatcherConditionSets(&condition_sets);
	ASSERT_EQ(3U, condition_sets.size());
	EXPECT_EQ(1, condition_sets[0]->id());
	EXPECT_EQ(2, condition_sets[1]->id());
	EXPECT_EQ(3, condition_sets[2]->id());
	}

	// DeclarativeAction

	class SummingAction : public base::RefCounted<SummingAction> {
	public:
	typedef int ApplyInfo;

	SummingAction(int increment, int min_priority)
	: increment_(increment), min_priority_(min_priority) {}

	static scoped_refptr<const SummingAction> Create(
	content::BrowserContext* browser_context,
	const Extension* extension,
	const base::Value& action,
	std::string* error,
	bool* bad_message) {
	int increment = 0;
	int min_priority = 0;
	const base::DictionaryValue* dict = NULL;
	EXPECT_TRUE(action.GetAsDictionary(&dict));
	if (dict->HasKey("error")) {
	EXPECT_TRUE(dict->GetString("error", error));
	return scoped_refptr<const SummingAction>(NULL);
	}
	if (dict->HasKey("bad")) {
	*bad_message = true;
	return scoped_refptr<const SummingAction>(NULL);
	}

	EXPECT_TRUE(dict->GetInteger("value", &increment));
	dict->GetInteger("priority", &min_priority);
	return scoped_refptr<const SummingAction>(
	new SummingAction(increment, min_priority));
	}

	void Apply(const std::string& extension_id,
	const base::Time& install_time,
	int* sum) const {
	*sum += increment_;
	}

	int increment() const { return increment_; }
	int minimum_priority() const {
	return min_priority_;
	}

	private:
	friend class base::RefCounted<SummingAction>;
	virtual ~SummingAction() {}

	int increment_;
	int min_priority_;
	};
	typedef DeclarativeActionSet<SummingAction> SummingActionSet;

	TEST(DeclarativeActionTest, ErrorActionSet) {
	SummingActionSet::Values actions;
	actions.push_back(ParseJson("{\"value\": 1}"));
	actions.push_back(ParseJson("{\"error\": \"the error\"}"));

	std::string error;
	bool bad = false;
	std::unique_ptr<SummingActionSet> result =
	SummingActionSet::Create(NULL, NULL, actions, &error, &bad);
	EXPECT_EQ("the error", error);
	EXPECT_FALSE(bad);
	EXPECT_FALSE(result);

	actions.clear();
	actions.push_back(ParseJson("{\"value\": 1}"));
	actions.push_back(ParseJson("{\"bad\": 3}"));
	result = SummingActionSet::Create(NULL, NULL, actions, &error, &bad);
	EXPECT_EQ("", error);
	EXPECT_TRUE(bad);
	EXPECT_FALSE(result);
	}

	TEST(DeclarativeActionTest, ApplyActionSet) {
	SummingActionSet::Values actions;
	actions.push_back(
	ParseJson("{\"value\": 1,"
	" \"priority\": 5}"));
	actions.push_back(ParseJson("{\"value\": 2}"));

	// Test insertion
	std::string error;
	bool bad = false;
	std::unique_ptr<SummingActionSet> result =
	SummingActionSet::Create(NULL, NULL, actions, &error, &bad);
	EXPECT_EQ("", error);
	EXPECT_FALSE(bad);
	ASSERT_TRUE(result);
	EXPECT_EQ(2u, result->actions().size());

	int sum = 0;
	result->Apply("ext_id", base::Time(), &sum);
	EXPECT_EQ(3, sum);
	EXPECT_EQ(5, result->GetMinimumPriority());
	}

	TEST(DeclarativeRuleTest, Create) {
	typedef DeclarativeRule<FulfillableCondition, SummingAction> Rule;
	Rule::JsonRule json_rule;
	ASSERT_TRUE(
	Rule::JsonRule::Populate(*ParseJson("{ \n"
	" \"id\": \"rule1\", \n"
	" \"conditions\": [ \n"
	" {\"url_id\": 1, \"max\": 3}, \n"
	" {\"url_id\": 2, \"max\": 5}, \n"
	" ], \n"
	" \"actions\": [ \n"
	" { \n"
	" \"value\": 2 \n"
	" } \n"
	" ], \n"
	" \"priority\": 200 \n"
	"}"),
	&json_rule));

	const char kExtensionId[] = "ext1";
	scoped_refptr<const Extension> extension = ExtensionBuilder()
	.SetManifest(SimpleManifest())
	.SetID(kExtensionId)
	.Build();

	base::Time install_time = base::Time::Now();

	URLMatcher matcher;
	std::string error;
	std::unique_ptr<Rule> rule(Rule::Create(
	matcher.condition_factory(), NULL, extension.get(), install_time,
	json_rule, Rule::ConsistencyChecker(), &error));
	EXPECT_EQ("", error);
	ASSERT_TRUE(rule.get());

	EXPECT_EQ(kExtensionId, rule->id().first);
	EXPECT_EQ("rule1", rule->id().second);

	EXPECT_EQ(200, rule->priority());

	const Rule::ConditionSet& condition_set = rule->conditions();
	const Rule::ConditionSet::Conditions& conditions =
	condition_set.conditions();
	ASSERT_EQ(2u, conditions.size());
	EXPECT_EQ(3, conditions[0]->max_value);
	EXPECT_EQ(5, conditions[1]->max_value);

	const Rule::ActionSet& action_set = rule->actions();
	const Rule::ActionSet::Actions& actions = action_set.actions();
	ASSERT_EQ(1u, actions.size());
	EXPECT_EQ(2, actions[0]->increment());

	int sum = 0;
	rule->Apply(&sum);
	EXPECT_EQ(2, sum);
	}

	bool AtLeastOneCondition(
	const DeclarativeConditionSet<FulfillableCondition>* conditions,
	const DeclarativeActionSet<SummingAction>* actions,
	std::string* error) {
	if (conditions->conditions().empty()) {
	*error = "No conditions";
	return false;
	}
	return true;
	}

	TEST(DeclarativeRuleTest, CheckConsistency) {
	typedef DeclarativeRule<FulfillableCondition, SummingAction> Rule;
	URLMatcher matcher;
	std::string error;
	Rule::JsonRule json_rule;
	const char kExtensionId[] = "ext1";
	scoped_refptr<const Extension> extension = ExtensionBuilder()
	.SetManifest(SimpleManifest())
	.SetID(kExtensionId)
	.Build();

	ASSERT_TRUE(
	Rule::JsonRule::Populate(*ParseJson("{ \n"
	" \"id\": \"rule1\", \n"
	" \"conditions\": [ \n"
	" {\"url_id\": 1, \"max\": 3}, \n"
	" {\"url_id\": 2, \"max\": 5}, \n"
	" ], \n"
	" \"actions\": [ \n"
	" { \n"
	" \"value\": 2 \n"
	" } \n"
	" ], \n"
	" \"priority\": 200 \n"
	"}"),
	&json_rule));
	std::unique_ptr<Rule> rule(Rule::Create(
	matcher.condition_factory(), NULL, extension.get(), base::Time(),
	json_rule, base::Bind(AtLeastOneCondition), &error));
	EXPECT_TRUE(rule);
	EXPECT_EQ("", error);

	ASSERT_TRUE(Rule::JsonRule::Populate(*ParseJson("{ \n"
	" \"id\": \"rule1\", \n"
	" \"conditions\": [ \n"
	" ], \n"
	" \"actions\": [ \n"
	" { \n"
	" \"value\": 2 \n"
	" } \n"
	" ], \n"
	" \"priority\": 200 \n"
	"}"),
	&json_rule));
	rule = Rule::Create(matcher.condition_factory(), NULL, extension.get(),
	base::Time(), json_rule, base::Bind(AtLeastOneCondition),
	&error);
	EXPECT_FALSE(rule);
	EXPECT_EQ("No conditions", error);
	}

	} // namespace extensions