Add first-class support for user scripts

chrome/common/extensions/user_script_unittest.cc

 // Copyright (c) 2009 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 "base/file_path.h"
 #include "base/pickle.h"
 #include "chrome/common/extensions/user_script.h"
 #include "googleurl/src/gurl.h"
 #include "testing/gtest/include/gtest/gtest.h"
 
 TEST(UserScriptTest, Match1) {
   UserScript script;
   script.add_glob("*mail.google.com*");
   script.add_glob("*mail.yahoo.com*");
   script.add_glob("*mail.msn.com*");
   EXPECT_TRUE(script.MatchesUrl(GURL("http://mail.google.com")));
   EXPECT_TRUE(script.MatchesUrl(GURL("http://mail.google.com/foo")));
   EXPECT_TRUE(script.MatchesUrl(GURL("https://mail.google.com/foo")));
   EXPECT_TRUE(script.MatchesUrl(GURL("ftp://mail.google.com/foo")));
   EXPECT_TRUE(script.MatchesUrl(GURL("http://woo.mail.google.com/foo")));
   EXPECT_TRUE(script.MatchesUrl(GURL("http://mail.yahoo.com/bar")));
   EXPECT_TRUE(script.MatchesUrl(GURL("http://mail.msn.com/baz")));
   EXPECT_FALSE(script.MatchesUrl(GURL("http://www.hotmail.com")));
+
+  script.add_exclude_glob("*foo*");
+  EXPECT_TRUE(script.MatchesUrl(GURL("http://mail.google.com")));
+  EXPECT_FALSE(script.MatchesUrl(GURL("http://mail.google.com/foo")));
 }
 
 TEST(UserScriptTest, Match2) {
   UserScript script;
   script.add_glob("*mail.google.com/");
   // GURL normalizes the URL to have a trailing "/"
   EXPECT_TRUE(script.MatchesUrl(GURL("http://mail.google.com")));
   EXPECT_TRUE(script.MatchesUrl(GURL("http://mail.google.com/")));
   EXPECT_FALSE(script.MatchesUrl(GURL("http://mail.google.com/foo")));
 }
@@ skipping 29 matching lines @@
   ASSERT_TRUE(pattern.Parse("http://*/foo*"));
 
   UserScript script;
   script.add_url_pattern(pattern);
   EXPECT_TRUE(script.MatchesUrl(GURL("http://monkey.com/foobar")));
   EXPECT_FALSE(script.MatchesUrl(GURL("http://monkey.com/hotdog")));
 
   // NOTE: URLPattern is tested more extensively in url_pattern_unittest.cc.
 }
 
+TEST(UserScriptTest, UrlPatternGlobInteraction) {
+  // If there are both, match intersection(union(globs), union(urlpatterns)).
+  UserScript script;
+  
+  URLPattern pattern;
+  ASSERT_TRUE(pattern.Parse("http://www.google.com/*"));
+  script.add_url_pattern(pattern);
+
+  script.add_glob("*bar*");
+
+  // No match, because it doesn't match the glob.
+  EXPECT_FALSE(script.MatchesUrl(GURL("http://www.google.com/foo")));
+
+  script.add_exclude_glob("*baz*");
+
+  // No match, because it matches the exclude glob.
+  EXPECT_FALSE(script.MatchesUrl(GURL("http://www.google.com/baz")));
+
+  // Match, because it matches the glob, doesn't match the exclude glob.
+  EXPECT_TRUE(script.MatchesUrl(GURL("http://www.google.com/bar")));
+
+  // Try with just a single exclude glob.
+  script.clear_globs();
+  EXPECT_TRUE(script.MatchesUrl(GURL("http://www.google.com/foo")));
+
+  // Try with no globs or exclude globs.
+  script.clear_exclude_globs();
+  EXPECT_TRUE(script.MatchesUrl(GURL("http://www.google.com/foo")));
+}
+
 TEST(UserScriptTest, Pickle) {
   URLPattern pattern1;
   URLPattern pattern2;
   ASSERT_TRUE(pattern1.Parse("http://*/foo*"));
   ASSERT_TRUE(pattern2.Parse("http://bar/baz*"));
 
   UserScript script1;
   script1.js_scripts().push_back(UserScript::File(
       FilePath(FILE_PATH_LITERAL("c:\\foo\\")),
       FilePath(FILE_PATH_LITERAL("foo.user.js")),
@@ skipping 34 matching lines @@
   for (size_t i = 0; i < script1.url_patterns().size(); ++i) {
     EXPECT_EQ(script1.url_patterns()[i].GetAsString(),
               script2.url_patterns()[i].GetAsString());
   }
 }
 
 TEST(UserScriptTest, Defaults) {
   UserScript script;
   ASSERT_EQ(UserScript::DOCUMENT_END, script.run_location());
 }