Retrieve article original URL from entryID

components/dom_distiller/core/url_utils_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 "components/dom_distiller/core/url_utils.h"
 
 #include "testing/gtest/include/gtest/gtest.h"
 
 namespace dom_distiller {
 
 namespace url_utils {
 
 TEST(DomDistillerUrlUtilsTest, TestPathUtil) {
   const std::string single_key = "mypath?foo=bar";
   EXPECT_EQ("bar", GetValueForKeyInUrlPathQuery(single_key, "foo"));
   const std::string two_keys = "mypath?key1=foo&key2=bar";
   EXPECT_EQ("foo", GetValueForKeyInUrlPathQuery(two_keys, "key1"));
   EXPECT_EQ("bar", GetValueForKeyInUrlPathQuery(two_keys, "key2"));
   const std::string multiple_same_key = "mypath?key=foo&key=bar";
   EXPECT_EQ("foo", GetValueForKeyInUrlPathQuery(multiple_same_key, "key"));
 }
 
+TEST(DomDistillerUrlUtilsTest, TestGetValueForKeyInUrlPathQuery) {
+  // Tests an invalid url.
+  const std::string invalid_url = "http://%40[::1]/";
+  EXPECT_EQ("", GetValueForKeyInUrlPathQuery(invalid_url, "key"));
+
+  // Test a valid URL with the key we are searching for.
+  const std::string valid_url_with_key = "http://www.google.com?key=foo";
+  EXPECT_EQ("foo", GetValueForKeyInUrlPathQuery(valid_url_with_key, "key"));
+
+  // Test a valid URL without the key we are searching for.
+  const std::string valid_url_no_key = "http://www.google.com";
+  EXPECT_EQ("", GetValueForKeyInUrlPathQuery(valid_url_no_key, "key"));
+
+  // Test a valid URL with 2 values of the key we are searching for.
+  const std::string valid_url_two_keys =
+      "http://www.google.com?key=foo&key=bar";
+  EXPECT_EQ("foo", GetValueForKeyInUrlPathQuery(valid_url_two_keys, "key"));
+}
+
 }  // namespace url_utils
 
 }  // namespace dom_distiller