chrome/browser/chromeos/login/error_screens_histogram_helper_unittest.cc

   1 // Copyright 2014 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/browser/chromeos/login/error_screens_histogram_helper.h"
   6
   7 #include "base/metrics/statistics_recorder.h"
   8 #include "base/test/histogram_tester.h"
   9 #include "chrome/browser/chromeos/login/screens/network_error.h"
  10 #include "content/public/test/test_browser_thread_bundle.h"
  11 #include "testing/gtest/include/gtest/gtest.h"
  12
  13 namespace chromeos {
  14
  15 class ErrorScreensHistogramHelperTest : public testing::Test {
  16  public:
  17   void SetUp() override {
  18     helper_.reset(new ErrorScreensHistogramHelper("TestScreen"));
  19     second_helper_.reset(new ErrorScreensHistogramHelper("TestScreen2"));
  20   }
  21
  22   content::TestBrowserThreadBundle thread_bundle_;
  23   base::HistogramTester histograms_;
  24   scoped_ptr<ErrorScreensHistogramHelper> helper_;
  25   scoped_ptr<ErrorScreensHistogramHelper> second_helper_;
  26 };
  27
  28 // No errors when screen was not shown.
  29 TEST_F(ErrorScreensHistogramHelperTest, DoesNotShowScreen) {
  30   helper_.reset();
  31   histograms_.ExpectTotalCount("OOBE.NetworkErrorShown.TestScreen", 0);
  32 }
  33
  34 // No errors when screen was shown and error was not.
  35 TEST_F(ErrorScreensHistogramHelperTest, ShowScreenWithoutError) {
  36   helper_->OnScreenShow();
  37   helper_.reset();
  38   second_helper_->OnScreenShow();
  39   second_helper_.reset();
  40   histograms_.ExpectUniqueSample("OOBE.NetworkErrorShown.TestScreen",
  41                                  NetworkError::ERROR_STATE_NONE, 1);
  42   histograms_.ExpectUniqueSample("OOBE.NetworkErrorShown.TestScreen2",
  43                                  NetworkError::ERROR_STATE_NONE, 1);
  44 }
  45
  46 // Show 3 offline errors and 1 portal error. Make sure in time histograms logged
  47 // portal error only.
  48 TEST_F(ErrorScreensHistogramHelperTest, ShowScreenAndError) {
  49   helper_->OnScreenShow();
  50   second_helper_->OnScreenShow();
  51   helper_->OnErrorShow(NetworkError::ERROR_STATE_OFFLINE);
  52   second_helper_->OnErrorShow(NetworkError::ERROR_STATE_PORTAL);
  53   helper_->OnErrorShow(NetworkError::ERROR_STATE_OFFLINE);
  54   helper_->OnErrorHide();
  55   second_helper_->OnErrorHide();
  56   helper_->OnErrorShow(NetworkError::ERROR_STATE_OFFLINE);
  57   histograms_.ExpectUniqueSample("OOBE.NetworkErrorShown.TestScreen",
  58                                  NetworkError::ERROR_STATE_OFFLINE, 3);
  59   histograms_.ExpectUniqueSample("OOBE.NetworkErrorShown.TestScreen2",
  60                                  NetworkError::ERROR_STATE_PORTAL, 1);
  61   helper_->OnErrorShow(NetworkError::ERROR_STATE_PORTAL);
  62   histograms_.ExpectBucketCount("OOBE.NetworkErrorShown.TestScreen",
  63                                 NetworkError::ERROR_STATE_PORTAL, 1);
  64   histograms_.ExpectTotalCount("OOBE.ErrorScreensTime.TestScreen.Portal", 0);
  65   helper_.reset();
  66   histograms_.ExpectTotalCount("OOBE.ErrorScreensTime.TestScreen.Portal", 1);
  67 }
  68
  69 // Show error and hide it after 1 sec.
  70 TEST_F(ErrorScreensHistogramHelperTest, TestShowHideTime) {
  71   helper_->OnScreenShow();
  72   second_helper_->OnScreenShow();
  73   base::Time now = base::Time::Now();
  74   helper_->OnErrorShowTime(NetworkError::ERROR_STATE_PORTAL, now);
  75   now += base::TimeDelta::FromMilliseconds(1000);
  76   helper_->OnErrorHideTime(now);
  77   helper_.reset();
  78   histograms_.ExpectUniqueSample(
  79       "OOBE.ErrorScreensTime.TestScreen.Portal", 1000, 1);
  80 }
  81
  82 // Show, hide, show, hide error with 1 sec interval. Make sure time logged in
  83 // histogram is 2 sec.
  84 TEST_F(ErrorScreensHistogramHelperTest, TestShowHideShowHideTime) {
  85   helper_->OnScreenShow();
  86   second_helper_->OnScreenShow();
  87   base::Time now = base::Time::Now();
  88   helper_->OnErrorShowTime(NetworkError::ERROR_STATE_PROXY, now);
  89   now += base::TimeDelta::FromMilliseconds(1000);
  90   helper_->OnErrorHideTime(now);
  91   now += base::TimeDelta::FromMilliseconds(1000);
  92   helper_->OnErrorShowTime(NetworkError::ERROR_STATE_PORTAL, now);
  93   now += base::TimeDelta::FromMilliseconds(1000);
  94   helper_->OnErrorHideTime(now);
  95   helper_.reset();
  96   histograms_.ExpectUniqueSample(
  97       "OOBE.ErrorScreensTime.TestScreen.Portal", 2000, 1);
  98 }
  99
 100 // Show, show, hide error with 1 sec interval. Make sure time logged in
 101 // histogram is 2 sec.
 102 TEST_F(ErrorScreensHistogramHelperTest, TestShowShowHideTime) {
 103   helper_->OnScreenShow();
 104   second_helper_->OnScreenShow();
 105   base::Time now = base::Time::Now();
 106   helper_->OnErrorShowTime(NetworkError::ERROR_STATE_PROXY, now);
 107   now += base::TimeDelta::FromMilliseconds(1000);
 108   helper_->OnErrorShowTime(NetworkError::ERROR_STATE_PORTAL, now);
 109   now += base::TimeDelta::FromMilliseconds(1000);
 110   helper_->OnErrorHideTime(now);
 111   helper_.reset();
 112   histograms_.ExpectUniqueSample(
 113       "OOBE.ErrorScreensTime.TestScreen.Portal", 2000, 1);
 114 }
 115
 116 }  // namespace chromeos