content/renderer/render_thread_impl_unittest.cc

   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 "content/renderer/render_thread_impl.h"
   6 #include "testing/gtest/include/gtest/gtest.h"
   7
   8 #include <string>
   9
  10 namespace content {
  11
  12 class RenderThreadImplUnittest : public testing::Test {
  13  public:
  14   RenderThreadImplUnittest()
  15       : kCustomizableHistogram_("Histogram1"),
  16         kNormalHistogram_("Histogram2") {}
  17   ~RenderThreadImplUnittest() override {}
  18
  19  protected:
  20   void SetUp() override {
  21     histogram_customizer_.custom_histograms_.clear();
  22     histogram_customizer_.custom_histograms_.insert(kCustomizableHistogram_);
  23   }
  24   RenderThreadImpl::HistogramCustomizer histogram_customizer_;
  25   const char* kCustomizableHistogram_;
  26   const char* kNormalHistogram_;
  27 };
  28
  29 TEST_F(RenderThreadImplUnittest, CustomHistogramsWithNoNavigations) {
  30   // First there is no page -> no custom histograms.
  31   EXPECT_EQ(kCustomizableHistogram_,
  32             histogram_customizer_.ConvertToCustomHistogramName(
  33                 kCustomizableHistogram_));
  34   EXPECT_EQ(kNormalHistogram_,
  35             histogram_customizer_.ConvertToCustomHistogramName(
  36                 kNormalHistogram_));
  37 }
  38
  39 TEST_F(RenderThreadImplUnittest, CustomHistogramsForOneRenderView) {
  40   histogram_customizer_.RenderViewNavigatedToHost("mail.google.com", 1);
  41   EXPECT_EQ(std::string(kCustomizableHistogram_) + ".gmail",
  42             histogram_customizer_.ConvertToCustomHistogramName(
  43                 kCustomizableHistogram_));
  44   EXPECT_EQ(kNormalHistogram_,
  45             histogram_customizer_.ConvertToCustomHistogramName(
  46                 kNormalHistogram_));
  47   histogram_customizer_.RenderViewNavigatedToHost("docs.google.com", 1);
  48   EXPECT_EQ(std::string(kCustomizableHistogram_) + ".docs",
  49             histogram_customizer_.ConvertToCustomHistogramName(
  50                 kCustomizableHistogram_));
  51   histogram_customizer_.RenderViewNavigatedToHost("nottracked.com", 1);
  52   EXPECT_EQ(kCustomizableHistogram_,
  53             histogram_customizer_.ConvertToCustomHistogramName(
  54                 kCustomizableHistogram_));
  55 }
  56
  57 TEST_F(RenderThreadImplUnittest, CustomHistogramsForTwoRenderViews) {
  58   // First there is only one view.
  59   histogram_customizer_.RenderViewNavigatedToHost("mail.google.com", 1);
  60   // Second view created and it navigates to the same host -> we can have a
  61   // custom diagram.
  62   histogram_customizer_.RenderViewNavigatedToHost("mail.google.com", 2);
  63   EXPECT_EQ(std::string(kCustomizableHistogram_) + ".gmail",
  64             histogram_customizer_.ConvertToCustomHistogramName(
  65                 kCustomizableHistogram_));
  66   EXPECT_EQ(kNormalHistogram_,
  67             histogram_customizer_.ConvertToCustomHistogramName(
  68                 kNormalHistogram_));
  69   // Now the views diverge (one of them navigates to a different host) -> no
  70   // custom diagram.
  71   histogram_customizer_.RenderViewNavigatedToHost("docs.google.com", 2);
  72   EXPECT_EQ(kCustomizableHistogram_,
  73             histogram_customizer_.ConvertToCustomHistogramName(
  74                 kCustomizableHistogram_));
  75   // After this point, there will never be a custom diagram again, even if the
  76   // view navigated back to the common host.
  77   histogram_customizer_.RenderViewNavigatedToHost("mail.google.com", 2);
  78   EXPECT_EQ(kCustomizableHistogram_,
  79             histogram_customizer_.ConvertToCustomHistogramName(
  80                 kCustomizableHistogram_));
  81 }
  82
  83 }  // namespace content