Implementation of beginning of Declarative Web Request API backend

chrome/browser/extensions/api/declarative_webrequest/webrequest_condition_unittest.cc

+// Copyright (c) 2012 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 "chrome/browser/extensions/api/declarative_webrequest/webrequest_condition.h"
+
+#include <set>
+
+#include "base/message_loop.h"
+#include "base/values.h"
+#include "net/url_request/url_request_test_util.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace {
+const char kRequestMatcher[] = "experimental.webRequest.RequestMatcher";
+const char kInstanceType[] = "instanceType";
+}
+
+namespace extensions {
+
+TEST(WebRequestConditionTest, CreateCondition) {
+  // Necessary for TestURLRequest.
+  MessageLoop message_loop(MessageLoop::TYPE_IO);
+  URLMatcher matcher;
+
+  std::string error;
+  scoped_ptr<WebRequestCondition> result;
+
+  DictionaryValue invalid_condition;
+  invalid_condition.SetString("invalid", "foobar");
+  invalid_condition.SetString("host_suffix", "example.com");
+  invalid_condition.SetString(kInstanceType, kRequestMatcher);
+
+  DictionaryValue invalid_condition2;
+  invalid_condition2.Set("host_suffix", new ListValue);
+  invalid_condition2.SetString(kInstanceType, kRequestMatcher);
+
+  DictionaryValue valid_condition;
+  valid_condition.SetString("scheme", "http");
+  valid_condition.SetString("host_suffix", "example.com");
+  valid_condition.SetString(kInstanceType, kRequestMatcher);
+
+  // Test wrong condition name passed.
+  error.clear();
+  result = WebRequestCondition::Create(matcher.condition_factory(),
+                                       invalid_condition, &error);
+  EXPECT_FALSE(error.empty());
+  EXPECT_FALSE(result.get());
+
+  // Test wrong datatype in host_suffix.
+  error.clear();
+  result = WebRequestCondition::Create(matcher.condition_factory(),
+                                       invalid_condition2, &error);
+  EXPECT_FALSE(error.empty());
+  EXPECT_FALSE(result.get());
+
+  // Test success (can we support multiple criteria?)
+  error.clear();
+  result = WebRequestCondition::Create(matcher.condition_factory(),
+                                       valid_condition, &error);
+  EXPECT_TRUE(error.empty());
+  ASSERT_TRUE(result.get());
+
+  TestURLRequest match_request(GURL("http://www.example.com"), NULL);
+  EXPECT_TRUE(result->IsFulfilled(&match_request));
+
+  TestURLRequest wrong_scheme(GURL("https://www.example.com"), NULL);
+  EXPECT_FALSE(result->IsFulfilled(&wrong_scheme));
+}
+
+TEST(WebRequestConditionTest, CreateConditionSet) {
+  // Necessary for TestURLRequest.
+  MessageLoop message_loop(MessageLoop::TYPE_IO);
+  URLMatcher matcher;
+
+  DictionaryValue http_condition;
+  http_condition.SetString("scheme", "http");
+  http_condition.SetString("host_suffix", "example.com");
+  http_condition.SetString(kInstanceType, kRequestMatcher);
+
+  DictionaryValue https_condition;
+  https_condition.SetString("scheme", "https");
+  https_condition.SetString("host_suffix", "example.com");
+  https_condition.SetString("host_prefix", "www");
+  https_condition.SetString(kInstanceType, kRequestMatcher);
+
+  WebRequestConditionSet::AnyVector conditions;
+
+  linked_ptr<json_schema_compiler::any::Any> condition1 = make_linked_ptr(
+      new json_schema_compiler::any::Any);
+  condition1->Init(http_condition);
+  conditions.push_back(condition1);
+
+  linked_ptr<json_schema_compiler::any::Any> condition2 = make_linked_ptr(
+      new json_schema_compiler::any::Any);
+  condition2->Init(https_condition);
+  conditions.push_back(condition2);
+
+  // Test insertion
+  std::string error;
+  scoped_ptr<WebRequestConditionSet> result =
+      WebRequestConditionSet::Create(matcher.condition_factory(),
+                                     conditions, &error);
+  EXPECT_TRUE(error.empty());
+  ASSERT_TRUE(result.get());
+  EXPECT_EQ(2u, result->conditions().size());
+
+  // Tell the URLMatcher about our shiny new patterns.
+  std::vector<URLMatcherConditionSet> url_matcher_condition_set;
+  result->GetURLMatcherConditionSets(&url_matcher_condition_set);
+  matcher.AddConditionSets(url_matcher_condition_set);
+
+  std::set<URLMatcherConditionSet::ID> url_match_ids;
+  int number_matches = 0;
+
+  // Test that the result is correct and matches http://www.example.com and
+  // https://www.example.com
+  GURL http_url("http://www.example.com");
+  TestURLRequest http_request(http_url, NULL);
+  url_match_ids = matcher.MatchURL(http_url);
+  for (std::set<URLMatcherConditionSet::ID>::iterator i = url_match_ids.begin();
+       i != url_match_ids.end(); ++i) {
+    if (result->IsFulfilled(*i, &http_request))
+      ++number_matches;
+  }
+  EXPECT_EQ(1, number_matches);
+
+  GURL https_url("https://www.example.com");
+  url_match_ids = matcher.MatchURL(https_url);
+  TestURLRequest https_request(https_url, NULL);
+  number_matches = 0;
+  for (std::set<URLMatcherConditionSet::ID>::iterator i = url_match_ids.begin();
+       i != url_match_ids.end(); ++i) {
+    if (result->IsFulfilled(*i, &https_request))
+      ++number_matches;
+  }
+  EXPECT_EQ(1, number_matches);
+
+  // Check that both, host_prefix and host_suffix are evaluated.
+  GURL https_foo_url("https://foo.example.com");
+  url_match_ids = matcher.MatchURL(https_foo_url);
+  TestURLRequest https_foo_request(https_foo_url, NULL);
+  number_matches = 0;
+  for (std::set<URLMatcherConditionSet::ID>::iterator i = url_match_ids.begin();
+       i != url_match_ids.end(); ++i) {
+    if (result->IsFulfilled(*i, &https_foo_request))
+      ++number_matches;
+  }
+  EXPECT_EQ(0, number_matches);
+}
+
+}  // namespace extensions