chrome/browser/enumerate_modules_model_unittest_win.cc

   1 // Copyright (c) 2011 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 "base/strings/string_number_conversions.h"
   6 #include "base/strings/string_util.h"
   7 #include "base/strings/utf_string_conversions.h"
   8 #include "chrome/browser/enumerate_modules_model_win.h"
   9 #include "testing/gtest/include/gtest/gtest.h"
  10
  11 typedef testing::Test EnumerateModulesTest;
  12
  13 // Set up some constants to use as default when creating the structs.
  14 static const ModuleEnumerator::ModuleType kType =
  15     ModuleEnumerator::LOADED_MODULE;
  16
  17 static const ModuleEnumerator::ModuleStatus kStatus =
  18     ModuleEnumerator::NOT_MATCHED;
  19
  20 static const ModuleEnumerator::RecommendedAction kAction =
  21     ModuleEnumerator::NONE;
  22
  23 static const ModuleEnumerator::OperatingSystem kOs =
  24     ModuleEnumerator::ALL;
  25
  26 // This is a list of test cases to normalize.
  27 static const struct NormalizationEntryList {
  28   ModuleEnumerator::Module test_case;
  29   ModuleEnumerator::Module expected;
  30 } kNormalizationTestCases[] = {
  31   {
  32     // Only path normalization needed.
  33     {kType, kStatus, L"c:\\foo\\bar.dll", L"",        L"Prod", L"Desc", L"1.0",
  34          L"Sig", kAction},
  35     {kType, kStatus, L"c:\\foo\\",        L"bar.dll", L"Prod", L"Desc", L"1.0",
  36          L"Sig", kAction},
  37   }, {
  38     // Lower case normalization.
  39     {kType, kStatus, L"C:\\Foo\\Bar.dll", L"",        L"", L"", L"1.0",
  40          L"", kAction},
  41     {kType, kStatus, L"c:\\foo\\",        L"bar.dll", L"", L"", L"1.0",
  42          L"", kAction},
  43   }, {
  44     // Version can include strings after the version number. Strip that away.
  45     {kType, kStatus, L"c:\\foo.dll", L"",        L"", L"", L"1.0 asdf",
  46          L"", kAction},
  47     {kType, kStatus, L"c:\\",        L"foo.dll", L"", L"", L"1.0",
  48          L"", kAction},
  49   }, {
  50     // Corner case: No path (not sure this will ever happen).
  51     {kType, kStatus, L"bar.dll", L"",        L"", L"", L"", L"", kAction},
  52     {kType, kStatus, L"",        L"bar.dll", L"", L"", L"", L"", kAction},
  53   }, {
  54     // Error case: Missing filename (not sure this will ever happen).
  55     {kType, kStatus, L"", L"", L"", L"", L"1.0", L"", kAction},
  56     {kType, kStatus, L"", L"", L"", L"", L"1.0", L"", kAction},
  57   },
  58 };
  59
  60 TEST_F(EnumerateModulesTest, NormalizeEntry) {
  61   for (size_t i = 0; i < arraysize(kNormalizationTestCases); ++i) {
  62     ModuleEnumerator::Module test = kNormalizationTestCases[i].test_case;
  63     EXPECT_FALSE(test.normalized);
  64     ModuleEnumerator::NormalizeModule(&test);
  65     ModuleEnumerator::Module expected = kNormalizationTestCases[i].expected;
  66
  67     SCOPED_TRACE("Test case no: " + base::IntToString(i));
  68     EXPECT_EQ(expected.type, test.type);
  69     EXPECT_EQ(expected.status, test.status);
  70     EXPECT_STREQ(expected.location.c_str(), test.location.c_str());
  71     EXPECT_STREQ(expected.name.c_str(), test.name.c_str());
  72     EXPECT_STREQ(expected.product_name.c_str(), test.product_name.c_str());
  73     EXPECT_STREQ(expected.description.c_str(), test.description.c_str());
  74     EXPECT_STREQ(expected.version.c_str(), test.version.c_str());
  75     EXPECT_STREQ(expected.digital_signer.c_str(), test.digital_signer.c_str());
  76     EXPECT_EQ(expected.recommended_action, test.recommended_action);
  77     EXPECT_TRUE(test.normalized);
  78   }
  79 }
  80
  81 const ModuleEnumerator::Module kStandardModule =
  82   { kType, kStatus, L"c:\\foo\\bar.dll", L"", L"Prod", L"Desc", L"1.0", L"Sig",
  83     ModuleEnumerator::NONE };
  84 const ModuleEnumerator::Module kStandardModuleNoDescription =
  85   { kType, kStatus, L"c:\\foo\\bar.dll", L"", L"Prod", L"", L"1.0", L"Sig",
  86     ModuleEnumerator::NONE };
  87 const ModuleEnumerator::Module kStandardModuleNoSignature =
  88   { kType, kStatus, L"c:\\foo\\bar.dll", L"", L"Prod", L"Desc", L"1.0", L"",
  89     ModuleEnumerator::NONE };
  90
  91 // Name, location, description and signature are compared by hashing.
  92 static const char kMatchName[] = "88e8c9e0";             // "bar.dll".
  93 static const char kMatchLocation[] = "e6ca7b1c";         // "c:\\foo\\".
  94 static const char kNoMatchLocation[] = "c:\\foobar\\";
  95 static const char kMatchDesc[] = "5c4419a6";             // "Desc".
  96 static const char kVersionHigh[] = "2.0";
  97 static const char kVersionLow[] = "0.5";
  98 static const char kMatchSignature[] = "7bfd87e1";        // "Sig".
  99 static const char kEmpty[] = "";
 100
 101 const struct MatchingEntryList {
 102   ModuleEnumerator::ModuleStatus expected_result;
 103   ModuleEnumerator::Module test_case;
 104   ModuleEnumerator::BlacklistEntry blacklist;
 105 } kMatchineEntryList[] = {
 106   // Each BlacklistEntry is:
 107   // Filename, location, desc_or_signer, version from, version to, help_tip.
 108
 109   {  // Matches: Name (location doesn't match) => Not enough for a match.
 110     ModuleEnumerator::NOT_MATCHED,
 111     kStandardModule,
 112     { kMatchName, kNoMatchLocation, kEmpty, kEmpty, kEmpty, kOs,
 113       ModuleEnumerator::SEE_LINK }
 114   }, {  // Matches: Name (location not given) => Suspected match.
 115     ModuleEnumerator::SUSPECTED_BAD,
 116     kStandardModule,
 117     { kMatchName, kEmpty, kEmpty, kEmpty, kEmpty, kOs,
 118       ModuleEnumerator::SEE_LINK }
 119   }, {  // Matches: Name, not version (location not given) => Not a match.
 120     ModuleEnumerator::NOT_MATCHED,
 121     kStandardModule,
 122     { kMatchName, kEmpty, kEmpty, kVersionHigh, kVersionHigh, kOs,
 123       ModuleEnumerator::SEE_LINK }
 124   }, {  // Matches: Name, location => Suspected match.
 125     ModuleEnumerator::SUSPECTED_BAD,
 126     kStandardModule,
 127     { kMatchName, kMatchLocation, kEmpty, kEmpty, kEmpty, kOs,
 128       ModuleEnumerator::SEE_LINK }
 129   }, {  // Matches: Name, location, (description not given) => Confirmed match.
 130     ModuleEnumerator::CONFIRMED_BAD,
 131     kStandardModuleNoDescription,  // Note: No description.
 132     { kMatchName, kMatchLocation, kEmpty, kEmpty, kEmpty, kOs,
 133       ModuleEnumerator::SEE_LINK }
 134   }, {  // Matches: Name, location, (signature not given) => Confirmed match.
 135     ModuleEnumerator::CONFIRMED_BAD,
 136     kStandardModuleNoSignature,  // Note: No signature.
 137     { kMatchName, kMatchLocation, kEmpty, kEmpty, kEmpty, kOs,
 138       ModuleEnumerator::SEE_LINK }
 139   }, {  // Matches: Name, location (not version) => Not a match.
 140     ModuleEnumerator::NOT_MATCHED,
 141     kStandardModule,
 142     { kMatchName, kMatchLocation, kEmpty, kVersionHigh, kVersionLow, kOs,
 143       ModuleEnumerator::SEE_LINK }
 144   }, {  // Matches: Name, location, signature => Confirmed match.
 145     ModuleEnumerator::CONFIRMED_BAD,
 146     kStandardModule,
 147     { kMatchName, kMatchLocation, kMatchSignature, kEmpty, kEmpty, kOs,
 148       ModuleEnumerator::SEE_LINK }
 149   }, {  // Matches: Name, location, signature (not version) => No match.
 150     ModuleEnumerator::NOT_MATCHED,
 151     kStandardModule,
 152     { kMatchName, kMatchLocation, kMatchSignature,
 153       kVersionLow, kVersionLow, kOs, ModuleEnumerator::SEE_LINK }
 154   }, {  // Matches: Name, location, description => Confirmed match.
 155     ModuleEnumerator::CONFIRMED_BAD,
 156     kStandardModule,
 157     { kMatchName, kMatchLocation, kMatchDesc, kEmpty, kEmpty, kOs,
 158       ModuleEnumerator::SEE_LINK }
 159   }, {  // Matches: Name, location, description (not version) => No match.
 160     ModuleEnumerator::NOT_MATCHED,
 161     kStandardModule,
 162     { kMatchName, kMatchLocation, kMatchDesc,
 163       kVersionHigh, kVersionHigh, kOs, ModuleEnumerator::SEE_LINK }
 164   }, {  // Matches: Name, location, signature, version => Confirmed match.
 165     ModuleEnumerator::CONFIRMED_BAD,
 166     kStandardModule,
 167     { kMatchName, kMatchLocation, kMatchSignature,
 168       kVersionLow, kVersionHigh, kOs, ModuleEnumerator::SEE_LINK }
 169   }, {  // Matches: Name, location, signature, version (lower) => Confirmed.
 170     ModuleEnumerator::CONFIRMED_BAD,
 171     kStandardModule,
 172     { kMatchName, kMatchLocation, kMatchSignature,
 173       kVersionLow, kEmpty, kOs, ModuleEnumerator::SEE_LINK }
 174   }, {  // Matches: Name, location, signature, version (upper) => Confirmed.
 175     ModuleEnumerator::CONFIRMED_BAD,
 176     kStandardModule,
 177     { kMatchName, kMatchLocation, kMatchSignature,
 178       kEmpty, kVersionHigh, kOs, ModuleEnumerator::SEE_LINK }
 179   }, {  // Matches: Name, Location, Version lower is inclusive => Confirmed.
 180     ModuleEnumerator::CONFIRMED_BAD,
 181     kStandardModule,
 182     { kMatchName, kMatchLocation, kMatchSignature,
 183       "1.0", "2.0", kOs, ModuleEnumerator::SEE_LINK }
 184   }, {  // Matches: Name, Location, Version higher is exclusive => No match.
 185     ModuleEnumerator::NOT_MATCHED,
 186     kStandardModule,
 187     { kMatchName, kMatchLocation, kEmpty,
 188       "0.0", "1.0", kOs, ModuleEnumerator::SEE_LINK }
 189   }, {  // All empty fields doesn't produce a match.
 190     ModuleEnumerator::NOT_MATCHED,
 191     { kType, kStatus, L"", L"", L"", L"", L"", L"", ModuleEnumerator::NONE },
 192     { "a.dll", "", "", "", "", kOs, ModuleEnumerator::SEE_LINK }
 193   },
 194 };
 195
 196 TEST_F(EnumerateModulesTest, MatchFunction) {
 197   for (size_t i = 0; i < arraysize(kMatchineEntryList); ++i) {
 198     ModuleEnumerator::Module test = kMatchineEntryList[i].test_case;
 199     ModuleEnumerator::NormalizeModule(&test);
 200     ModuleEnumerator::BlacklistEntry blacklist =
 201         kMatchineEntryList[i].blacklist;
 202
 203     SCOPED_TRACE("Test case no " + base::IntToString(i) +
 204                  ": '" + base::UTF16ToASCII(test.name) + "'");
 205     EXPECT_EQ(kMatchineEntryList[i].expected_result,
 206               ModuleEnumerator::Match(test, blacklist));
 207   }
 208 }
 209
 210 const struct CollapsePathList {
 211   base::string16 expected_result;
 212   base::string16 test_case;
 213 } kCollapsePathList[] = {
 214   // Negative testing (should not collapse this path).
 215   { base::ASCIIToUTF16("c:\\a\\a.dll"), base::ASCIIToUTF16("c:\\a\\a.dll") },
 216   // These two are to test that we select the maximum collapsed path.
 217   { base::ASCIIToUTF16("%foo%\\a.dll"), base::ASCIIToUTF16("c:\\foo\\a.dll") },
 218   { base::ASCIIToUTF16("%x%\\a.dll"),
 219     base::ASCIIToUTF16("c:\\foo\\bar\\a.dll") },
 220 };
 221
 222 TEST_F(EnumerateModulesTest, CollapsePath) {
 223   scoped_refptr<ModuleEnumerator> module_enumerator(new ModuleEnumerator(NULL));
 224   module_enumerator->path_mapping_.clear();
 225   module_enumerator->path_mapping_.push_back(
 226       std::make_pair(L"c:\\foo\\", L"%foo%"));
 227   module_enumerator->path_mapping_.push_back(
 228       std::make_pair(L"c:\\foo\\bar\\", L"%x%"));
 229
 230   for (size_t i = 0; i < arraysize(kCollapsePathList); ++i) {
 231     ModuleEnumerator::Module module;
 232     module.location = kCollapsePathList[i].test_case;
 233     module_enumerator->CollapsePath(&module);
 234
 235     SCOPED_TRACE("Test case no " + base::IntToString(i) + ": '" +
 236                  base::UTF16ToASCII(kCollapsePathList[i].expected_result) +
 237                  "'");
 238     EXPECT_EQ(kCollapsePathList[i].expected_result, module.location);
 239   }
 240 }