webkit/fileapi/file_system_origin_database_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 <algorithm>
   6 #include <functional>
   7 #include <limits>
   8 #include <string>
   9
  10 #include "base/file_path.h"
  11 #include "base/file_util.h"
  12 #include "base/platform_file.h"
  13 #include "base/scoped_temp_dir.h"
  14 #include "base/stl_util.h"
  15 #include "testing/gtest/include/gtest/gtest.h"
  16 #include "third_party/leveldatabase/src/db/filename.h"
  17 #include "third_party/leveldatabase/src/include/leveldb/db.h"
  18 #include "webkit/fileapi/file_system_database_test_helper.h"
  19 #include "webkit/fileapi/file_system_origin_database.h"
  20 #include "webkit/fileapi/file_system_util.h"
  21
  22 namespace fileapi {
  23
  24 namespace {
  25 const FilePath::CharType kFileSystemDirName[] =
  26     FILE_PATH_LITERAL("File System");
  27 const FilePath::CharType kOriginDatabaseName[] = FILE_PATH_LITERAL("Origins");
  28 }  // namespace
  29
  30 TEST(FileSystemOriginDatabaseTest, BasicTest) {
  31   ScopedTempDir dir;
  32   ASSERT_TRUE(dir.CreateUniqueTempDir());
  33   const FilePath kFSDir = dir.path().Append(kFileSystemDirName);
  34   EXPECT_FALSE(file_util::PathExists(kFSDir));
  35   EXPECT_TRUE(file_util::CreateDirectory(kFSDir));
  36
  37   FileSystemOriginDatabase database(kFSDir);
  38   std::string origin("origin");
  39
  40   EXPECT_FALSE(database.HasOriginPath(origin));
  41   // Double-check to make sure that had no side effects.
  42   EXPECT_FALSE(database.HasOriginPath(origin));
  43
  44   FilePath path0;
  45   FilePath path1;
  46
  47   // Empty strings aren't valid origins.
  48   EXPECT_FALSE(database.GetPathForOrigin(std::string(), &path0));
  49
  50   EXPECT_TRUE(database.GetPathForOrigin(origin, &path0));
  51   EXPECT_TRUE(database.HasOriginPath(origin));
  52   EXPECT_TRUE(database.GetPathForOrigin(origin, &path1));
  53   EXPECT_FALSE(path0.empty());
  54   EXPECT_FALSE(path1.empty());
  55   EXPECT_EQ(path0, path1);
  56
  57   EXPECT_TRUE(file_util::PathExists(kFSDir.Append(kOriginDatabaseName)));
  58 }
  59
  60 TEST(FileSystemOriginDatabaseTest, TwoPathTest) {
  61   ScopedTempDir dir;
  62   ASSERT_TRUE(dir.CreateUniqueTempDir());
  63   const FilePath kFSDir = dir.path().Append(kFileSystemDirName);
  64   EXPECT_FALSE(file_util::PathExists(kFSDir));
  65   EXPECT_TRUE(file_util::CreateDirectory(kFSDir));
  66
  67   FileSystemOriginDatabase database(kFSDir);
  68   std::string origin0("origin0");
  69   std::string origin1("origin1");
  70
  71   EXPECT_FALSE(database.HasOriginPath(origin0));
  72   EXPECT_FALSE(database.HasOriginPath(origin1));
  73
  74   FilePath path0;
  75   FilePath path1;
  76   EXPECT_TRUE(database.GetPathForOrigin(origin0, &path0));
  77   EXPECT_TRUE(database.HasOriginPath(origin0));
  78   EXPECT_FALSE(database.HasOriginPath(origin1));
  79   EXPECT_TRUE(database.GetPathForOrigin(origin1, &path1));
  80   EXPECT_TRUE(database.HasOriginPath(origin1));
  81   EXPECT_FALSE(path0.empty());
  82   EXPECT_FALSE(path1.empty());
  83   EXPECT_NE(path0, path1);
  84
  85   EXPECT_TRUE(file_util::PathExists(kFSDir.Append(kOriginDatabaseName)));
  86 }
  87
  88 TEST(FileSystemOriginDatabaseTest, DropDatabaseTest) {
  89   ScopedTempDir dir;
  90   ASSERT_TRUE(dir.CreateUniqueTempDir());
  91   const FilePath kFSDir = dir.path().Append(kFileSystemDirName);
  92   EXPECT_FALSE(file_util::PathExists(kFSDir));
  93   EXPECT_TRUE(file_util::CreateDirectory(kFSDir));
  94
  95   FileSystemOriginDatabase database(kFSDir);
  96   std::string origin("origin");
  97
  98   EXPECT_FALSE(database.HasOriginPath(origin));
  99
 100   FilePath path0;
 101   EXPECT_TRUE(database.GetPathForOrigin(origin, &path0));
 102   EXPECT_TRUE(database.HasOriginPath(origin));
 103   EXPECT_FALSE(path0.empty());
 104
 105   EXPECT_TRUE(file_util::PathExists(kFSDir.Append(kOriginDatabaseName)));
 106
 107   database.DropDatabase();
 108
 109   FilePath path1;
 110   EXPECT_TRUE(database.HasOriginPath(origin));
 111   EXPECT_TRUE(database.GetPathForOrigin(origin, &path1));
 112   EXPECT_FALSE(path1.empty());
 113   EXPECT_EQ(path0, path1);
 114 }
 115
 116 TEST(FileSystemOriginDatabaseTest, DeleteOriginTest) {
 117   ScopedTempDir dir;
 118   ASSERT_TRUE(dir.CreateUniqueTempDir());
 119   const FilePath kFSDir = dir.path().Append(kFileSystemDirName);
 120   EXPECT_FALSE(file_util::PathExists(kFSDir));
 121   EXPECT_TRUE(file_util::CreateDirectory(kFSDir));
 122
 123   FileSystemOriginDatabase database(kFSDir);
 124   std::string origin("origin");
 125
 126   EXPECT_FALSE(database.HasOriginPath(origin));
 127   EXPECT_TRUE(database.RemovePathForOrigin(origin));
 128
 129   FilePath path0;
 130   EXPECT_TRUE(database.GetPathForOrigin(origin, &path0));
 131   EXPECT_TRUE(database.HasOriginPath(origin));
 132   EXPECT_FALSE(path0.empty());
 133
 134   EXPECT_TRUE(database.RemovePathForOrigin(origin));
 135   EXPECT_FALSE(database.HasOriginPath(origin));
 136
 137   FilePath path1;
 138   EXPECT_TRUE(database.GetPathForOrigin(origin, &path1));
 139   EXPECT_FALSE(path1.empty());
 140   EXPECT_NE(path0, path1);
 141 }
 142
 143 TEST(FileSystemOriginDatabaseTest, ListOriginsTest) {
 144   ScopedTempDir dir;
 145   ASSERT_TRUE(dir.CreateUniqueTempDir());
 146   const FilePath kFSDir = dir.path().Append(kFileSystemDirName);
 147   EXPECT_FALSE(file_util::PathExists(kFSDir));
 148   EXPECT_TRUE(file_util::CreateDirectory(kFSDir));
 149
 150   std::vector<FileSystemOriginDatabase::OriginRecord> origins;
 151
 152   FileSystemOriginDatabase database(kFSDir);
 153   EXPECT_TRUE(database.ListAllOrigins(&origins));
 154   EXPECT_TRUE(origins.empty());
 155   origins.clear();
 156
 157   std::string origin0("origin0");
 158   std::string origin1("origin1");
 159
 160   EXPECT_FALSE(database.HasOriginPath(origin0));
 161   EXPECT_FALSE(database.HasOriginPath(origin1));
 162
 163   FilePath path0;
 164   FilePath path1;
 165   EXPECT_TRUE(database.GetPathForOrigin(origin0, &path0));
 166   EXPECT_TRUE(database.ListAllOrigins(&origins));
 167   EXPECT_EQ(origins.size(), 1UL);
 168   EXPECT_EQ(origins[0].origin, origin0);
 169   EXPECT_EQ(origins[0].path, path0);
 170   origins.clear();
 171   EXPECT_TRUE(database.GetPathForOrigin(origin1, &path1));
 172   EXPECT_TRUE(database.ListAllOrigins(&origins));
 173   EXPECT_EQ(origins.size(), 2UL);
 174   if (origins[0].origin == origin0) {
 175     EXPECT_EQ(origins[0].path, path0);
 176     EXPECT_EQ(origins[1].origin, origin1);
 177     EXPECT_EQ(origins[1].path, path1);
 178   } else {
 179     EXPECT_EQ(origins[0].origin, origin1);
 180     EXPECT_EQ(origins[0].path, path1);
 181     EXPECT_EQ(origins[1].origin, origin0);
 182     EXPECT_EQ(origins[1].path, path0);
 183   }
 184 }
 185
 186 TEST(FileSystemOriginDatabaseTest, DatabaseRecoveryTest) {
 187   // Checks if FileSystemOriginDatabase properly handles database corruption.
 188   // In this test, we'll register some origins to the origin database, then
 189   // corrupt database and its log file.
 190   // After repairing, the origin database should be consistent even when some
 191   // entries lost.
 192
 193   ScopedTempDir dir;
 194   ASSERT_TRUE(dir.CreateUniqueTempDir());
 195   const FilePath kFSDir = dir.path().Append(kFileSystemDirName);
 196   const FilePath kDBDir = kFSDir.Append(kOriginDatabaseName);
 197   EXPECT_FALSE(file_util::PathExists(kFSDir));
 198   EXPECT_TRUE(file_util::CreateDirectory(kFSDir));
 199
 200   const std::string kOrigins[] = {
 201     "foo.example.com",
 202     "bar.example.com",
 203     "baz.example.com",
 204     "hoge.example.com",
 205     "fuga.example.com",
 206   };
 207
 208   scoped_ptr<FileSystemOriginDatabase> database(
 209       new FileSystemOriginDatabase(kFSDir));
 210   for (size_t i = 0; i < arraysize(kOrigins); ++i) {
 211     FilePath path;
 212     EXPECT_FALSE(database->HasOriginPath(kOrigins[i]));
 213     EXPECT_TRUE(database->GetPathForOrigin(kOrigins[i], &path));
 214     EXPECT_FALSE(path.empty());
 215     EXPECT_TRUE(database->GetPathForOrigin(kOrigins[i], &path));
 216
 217     if (i != 1)
 218       EXPECT_TRUE(file_util::CreateDirectory(kFSDir.Append(path)));
 219   }
 220   database.reset();
 221
 222   const FilePath kGarbageDir = kFSDir.AppendASCII("foo");
 223   const FilePath kGarbageFile = kGarbageDir.AppendASCII("bar");
 224   EXPECT_TRUE(file_util::CreateDirectory(kGarbageDir));
 225   bool created = false;
 226   base::PlatformFileError error;
 227   base::PlatformFile file = base::CreatePlatformFile(
 228       kGarbageFile,
 229       base::PLATFORM_FILE_CREATE | base::PLATFORM_FILE_WRITE,
 230       &created, &error);
 231   EXPECT_EQ(base::PLATFORM_FILE_OK, error);
 232   EXPECT_TRUE(created);
 233   EXPECT_TRUE(base::ClosePlatformFile(file));
 234
 235   // Corrupt database itself and last log entry to drop last 1 database
 236   // operation.  The database should detect the corruption and should recover
 237   // its consistency after recovery.
 238   CorruptDatabase(kDBDir, leveldb::kDescriptorFile,
 239                   0, std::numeric_limits<size_t>::max());
 240   CorruptDatabase(kDBDir, leveldb::kLogFile, -1, 1);
 241
 242   FilePath path;
 243   database.reset(new FileSystemOriginDatabase(kFSDir));
 244   std::vector<FileSystemOriginDatabase::OriginRecord> origins_in_db;
 245   EXPECT_TRUE(database->ListAllOrigins(&origins_in_db));
 246
 247   // Expect all but last added origin will be repaired back, and kOrigins[1]
 248   // should be dropped due to absence of backing directory.
 249   EXPECT_EQ(arraysize(kOrigins) - 2, origins_in_db.size());
 250
 251   const std::string kOrigin("piyo.example.org");
 252   EXPECT_FALSE(database->HasOriginPath(kOrigin));
 253   EXPECT_TRUE(database->GetPathForOrigin(kOrigin, &path));
 254   EXPECT_FALSE(path.empty());
 255   EXPECT_TRUE(database->HasOriginPath(kOrigin));
 256
 257   EXPECT_FALSE(file_util::PathExists(kGarbageFile));
 258   EXPECT_FALSE(file_util::PathExists(kGarbageDir));
 259 }
 260
 261 }  // namespace fileapi