src/chrome/common/extensions/feature_switch_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 "chrome/common/extensions/feature_switch.h"
   6
   7 #include "base/command_line.h"
   8 #include "base/memory/scoped_ptr.h"
   9 #include "testing/gtest/include/gtest/gtest.h"
  10
  11 using extensions::FeatureSwitch;
  12
  13 namespace {
  14
  15 const char kSwitchName[] = "test-switch";
  16
  17 template<FeatureSwitch::DefaultValue T>
  18 class FeatureSwitchTest : public testing::Test {
  19  public:
  20   FeatureSwitchTest()
  21       : command_line_(CommandLine::NO_PROGRAM),
  22         feature_(&command_line_, kSwitchName, T) {
  23   }
  24  protected:
  25   CommandLine command_line_;
  26   FeatureSwitch feature_;
  27 };
  28
  29 typedef FeatureSwitchTest<FeatureSwitch::DEFAULT_DISABLED>
  30     FeatureSwitchDisabledTest;
  31 typedef FeatureSwitchTest<FeatureSwitch::DEFAULT_ENABLED>
  32     FeatureSwitchEnabledTest;
  33
  34 }  // namespace
  35
  36 TEST_F(FeatureSwitchDisabledTest, NoSwitchValue) {
  37   EXPECT_FALSE(feature_.IsEnabled());
  38 }
  39
  40 TEST_F(FeatureSwitchDisabledTest, FalseSwitchValue) {
  41   command_line_.AppendSwitchASCII(kSwitchName, "0");
  42   EXPECT_FALSE(feature_.IsEnabled());
  43 }
  44
  45 TEST_F(FeatureSwitchDisabledTest, GibberishSwitchValue) {
  46   command_line_.AppendSwitchASCII(kSwitchName, "monkey");
  47   EXPECT_FALSE(feature_.IsEnabled());
  48 }
  49
  50 TEST_F(FeatureSwitchDisabledTest, Override) {
  51   {
  52     FeatureSwitch::ScopedOverride override(&feature_, false);
  53     EXPECT_FALSE(feature_.IsEnabled());
  54   }
  55   EXPECT_FALSE(feature_.IsEnabled());
  56
  57   {
  58     FeatureSwitch::ScopedOverride override(&feature_, true);
  59     EXPECT_TRUE(feature_.IsEnabled());
  60   }
  61   EXPECT_FALSE(feature_.IsEnabled());
  62 }
  63
  64 TEST_F(FeatureSwitchDisabledTest, TrueSwitchValue) {
  65   command_line_.AppendSwitchASCII(kSwitchName, "1");
  66   EXPECT_TRUE(feature_.IsEnabled());
  67
  68   {
  69     FeatureSwitch::ScopedOverride override(&feature_, false);
  70     EXPECT_FALSE(feature_.IsEnabled());
  71   }
  72   EXPECT_TRUE(feature_.IsEnabled());
  73
  74   {
  75     FeatureSwitch::ScopedOverride override(&feature_, true);
  76     EXPECT_TRUE(feature_.IsEnabled());
  77   }
  78   EXPECT_TRUE(feature_.IsEnabled());
  79 }
  80
  81 TEST_F(FeatureSwitchDisabledTest, TrimSwitchValue) {
  82   command_line_.AppendSwitchASCII(kSwitchName, " \t  1\n  ");
  83   EXPECT_TRUE(feature_.IsEnabled());
  84 }
  85
  86 TEST_F(FeatureSwitchEnabledTest, NoSwitchValue) {
  87   EXPECT_TRUE(feature_.IsEnabled());
  88 }
  89
  90 TEST_F(FeatureSwitchEnabledTest, TrueSwitchValue) {
  91   command_line_.AppendSwitchASCII(kSwitchName, "1");
  92   EXPECT_TRUE(feature_.IsEnabled());
  93 }
  94
  95 TEST_F(FeatureSwitchEnabledTest, GibberishSwitchValue) {
  96   command_line_.AppendSwitchASCII(kSwitchName, "monkey");
  97   EXPECT_TRUE(feature_.IsEnabled());
  98 }
  99
 100 TEST_F(FeatureSwitchEnabledTest, Override) {
 101   {
 102     FeatureSwitch::ScopedOverride override(&feature_, true);
 103     EXPECT_TRUE(feature_.IsEnabled());
 104   }
 105   EXPECT_TRUE(feature_.IsEnabled());
 106
 107   {
 108     FeatureSwitch::ScopedOverride override(&feature_, false);
 109     EXPECT_FALSE(feature_.IsEnabled());
 110   }
 111   EXPECT_TRUE(feature_.IsEnabled());
 112 }
 113
 114 TEST_F(FeatureSwitchEnabledTest, FalseSwitchValue) {
 115   command_line_.AppendSwitchASCII(kSwitchName, "0");
 116   EXPECT_FALSE(feature_.IsEnabled());
 117
 118   {
 119     FeatureSwitch::ScopedOverride override(&feature_, true);
 120     EXPECT_TRUE(feature_.IsEnabled());
 121   }
 122   EXPECT_FALSE(feature_.IsEnabled());
 123
 124   {
 125     FeatureSwitch::ScopedOverride override(&feature_, false);
 126     EXPECT_FALSE(feature_.IsEnabled());
 127   }
 128   EXPECT_FALSE(feature_.IsEnabled());
 129 }
 130
 131 TEST_F(FeatureSwitchEnabledTest, TrimSwitchValue) {
 132   command_line_.AppendSwitchASCII(kSwitchName, "\t\t 0 \n");
 133   EXPECT_FALSE(feature_.IsEnabled());
 134 }