chrome/installer/util/uninstall_metrics_unittest.cc

   1 // Copyright 2013 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/installer/util/uninstall_metrics.h"
   6
   7 #include <string>
   8
   9 #include "base/json/json_string_value_serializer.h"
  10 #include "base/memory/scoped_ptr.h"
  11 #include "base/strings/string16.h"
  12 #include "testing/gtest/include/gtest/gtest.h"
  13
  14 namespace installer {
  15
  16 TEST(UninstallMetricsTest, TestExtractUninstallMetrics) {
  17   // A make-believe JSON preferences file.
  18   std::string pref_string(
  19       "{ \n"
  20       "  \"foo\": \"bar\",\n"
  21       "  \"uninstall_metrics\": { \n"
  22       "    \"last_launch_time_sec\": \"1235341118\","
  23       "    \"last_observed_running_time_sec\": \"1235341183\","
  24       "    \"launch_count\": \"11\","
  25       "    \"page_load_count\": \"68\","
  26       "    \"uptime_sec\": \"809\","
  27       "    \"installation_date2\": \"1235341141\"\n"
  28       "  },\n"
  29       "  \"blah\": {\n"
  30       "    \"this_sentence_is_true\": false\n"
  31       "  },\n"
  32       "  \"user_experience_metrics\": { \n"
  33       "    \"client_id_timestamp\": \"1234567890\","
  34       "    \"reporting_enabled\": true\n"
  35       "  }\n"
  36       "} \n");
  37
  38   // The URL string we expect to be generated from said make-believe file.
  39   base::string16 expected_url_string(
  40       L"&installation_date2=1235341141"
  41       L"&last_launch_time_sec=1235341118"
  42       L"&last_observed_running_time_sec=1235341183"
  43       L"&launch_count=11&page_load_count=68"
  44       L"&uptime_sec=809");
  45
  46   JSONStringValueDeserializer json_deserializer(pref_string);
  47   std::string error_message;
  48
  49   scoped_ptr<base::Value> root(
  50       json_deserializer.Deserialize(NULL, &error_message));
  51   ASSERT_TRUE(root.get());
  52   base::string16 uninstall_metrics_string;
  53
  54   EXPECT_TRUE(
  55       ExtractUninstallMetrics(*static_cast<base::DictionaryValue*>(root.get()),
  56                               &uninstall_metrics_string));
  57   EXPECT_EQ(expected_url_string, uninstall_metrics_string);
  58 }
  59
  60 }  // namespace installer