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      1 // Copyright (c) 2012 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 <limits>
      6 #include <string>
      7 
      8 #include "base/basictypes.h"
      9 #include "base/guid.h"
     10 #include "base/strings/string_number_conversions.h"
     11 #include "base/strings/stringprintf.h"
     12 #include "base/strings/utf_string_conversions.h"
     13 #include "base/test/test_reg_util_win.h"
     14 #include "base/time/time.h"
     15 #include "base/win/registry.h"
     16 #include "chrome/installer/gcapi/gcapi.h"
     17 #include "chrome/installer/util/google_update_constants.h"
     18 #include "testing/gtest/include/gtest/gtest.h"
     19 
     20 using base::Time;
     21 using base::TimeDelta;
     22 using base::win::RegKey;
     23 
     24 
     25 class GCAPILastRunTest : public ::testing::Test {
     26  protected:
     27   void SetUp() {
     28     // Override keys - this is undone during destruction.
     29     override_manager_.OverrideRegistry(HKEY_CURRENT_USER);
     30 
     31     // Create the client state key in the right places.
     32     std::wstring reg_path(google_update::kRegPathClientState);
     33     reg_path += L"\\";
     34     reg_path += google_update::kChromeUpgradeCode;
     35     RegKey client_state(HKEY_CURRENT_USER,
     36                         reg_path.c_str(),
     37                         KEY_CREATE_SUB_KEY | KEY_WOW64_32KEY);
     38     ASSERT_TRUE(client_state.Valid());
     39 
     40     // Place a bogus "pv" value in the right places to make the last run
     41     // checker believe Chrome is installed.
     42     std::wstring clients_path(google_update::kRegPathClients);
     43     clients_path += L"\\";
     44     clients_path += google_update::kChromeUpgradeCode;
     45     RegKey client_key(HKEY_CURRENT_USER,
     46                       clients_path.c_str(),
     47                       KEY_CREATE_SUB_KEY | KEY_SET_VALUE | KEY_WOW64_32KEY);
     48     ASSERT_TRUE(client_key.Valid());
     49     client_key.WriteValue(L"pv", L"1.2.3.4");
     50   }
     51 
     52   bool SetLastRunTime(int64 last_run_time) {
     53     return SetLastRunTimeString(base::Int64ToString16(last_run_time));
     54   }
     55 
     56   bool SetLastRunTimeString(const base::string16& last_run_time_string) {
     57     const wchar_t* base_path = google_update::kRegPathClientState;
     58     std::wstring path(base_path);
     59     path += L"\\";
     60     path += google_update::kChromeUpgradeCode;
     61 
     62     RegKey client_state(
     63         HKEY_CURRENT_USER, path.c_str(), KEY_SET_VALUE | KEY_WOW64_32KEY);
     64     return (client_state.Valid() &&
     65             client_state.WriteValue(
     66                 google_update::kRegLastRunTimeField,
     67                 last_run_time_string.c_str()) == ERROR_SUCCESS);
     68   }
     69 
     70  private:
     71   registry_util::RegistryOverrideManager override_manager_;
     72 };
     73 
     74 TEST_F(GCAPILastRunTest, Basic) {
     75   Time last_run = Time::NowFromSystemTime() - TimeDelta::FromDays(10);
     76   EXPECT_TRUE(SetLastRunTime(last_run.ToInternalValue()));
     77 
     78   int days_since_last_run = GoogleChromeDaysSinceLastRun();
     79   EXPECT_EQ(10, days_since_last_run);
     80 }
     81 
     82 TEST_F(GCAPILastRunTest, NoLastRun) {
     83   int days_since_last_run = GoogleChromeDaysSinceLastRun();
     84   EXPECT_EQ(-1, days_since_last_run);
     85 }
     86 
     87 TEST_F(GCAPILastRunTest, InvalidLastRun) {
     88   EXPECT_TRUE(SetLastRunTimeString(L"Hi Mum!"));
     89   int days_since_last_run = GoogleChromeDaysSinceLastRun();
     90   EXPECT_EQ(-1, days_since_last_run);
     91 }
     92 
     93 TEST_F(GCAPILastRunTest, OutOfRangeLastRun) {
     94   Time last_run = Time::NowFromSystemTime() - TimeDelta::FromDays(-42);
     95   EXPECT_TRUE(SetLastRunTime(last_run.ToInternalValue()));
     96 
     97   int days_since_last_run = GoogleChromeDaysSinceLastRun();
     98   EXPECT_EQ(-1, days_since_last_run);
     99 }
    100