chrome/browser/sync_file_system/file_change_unittest.cc

   1 // Copyright 2013 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/sync_file_system/file_change.h"
   6
   7 #include "base/basictypes.h"
   8 #include "base/logging.h"
   9 #include "testing/gtest/include/gtest/gtest.h"
  10
  11 namespace sync_file_system {
  12
  13 namespace {
  14
  15 FileChange AddOrUpdateFile() {
  16   return FileChange(FileChange::FILE_CHANGE_ADD_OR_UPDATE, SYNC_FILE_TYPE_FILE);
  17 }
  18
  19 FileChange DeleteFile() {
  20   return FileChange(FileChange::FILE_CHANGE_DELETE, SYNC_FILE_TYPE_FILE);
  21 }
  22
  23 FileChange AddDirectory() {
  24   return FileChange(FileChange::FILE_CHANGE_ADD_OR_UPDATE,
  25                     SYNC_FILE_TYPE_DIRECTORY);
  26 }
  27
  28 FileChange DeleteDirectory() {
  29   return FileChange(FileChange::FILE_CHANGE_DELETE, SYNC_FILE_TYPE_DIRECTORY);
  30 }
  31
  32 template <size_t INPUT_SIZE>
  33 void CreateList(FileChangeList* list, const FileChange (&inputs)[INPUT_SIZE]) {
  34   list->clear();
  35   for (size_t i = 0; i < INPUT_SIZE; ++i)
  36     list->Update(inputs[i]);
  37 }
  38
  39 template <size_t EXPECTED_SIZE>
  40 void VerifyList(const FileChangeList& list,
  41                 const FileChange (&expected)[EXPECTED_SIZE]) {
  42   SCOPED_TRACE(testing::Message() << "actual:" << list.DebugString());
  43   ASSERT_EQ(EXPECTED_SIZE, list.size());
  44   for (size_t i = 0; i < list.size(); ++i) {
  45     SCOPED_TRACE(testing::Message() << i << ": "
  46                  << " expected:" << expected[i].DebugString()
  47                  << " actual:" << list.list().at(i).DebugString());
  48     EXPECT_EQ(expected[i], list.list().at(i));
  49   }
  50 }
  51
  52 }  // namespace
  53
  54 TEST(FileChangeListTest, UpdateSimple) {
  55   FileChangeList list;
  56   const FileChange kInput1[] = { AddOrUpdateFile() };
  57   const FileChange kExpected1[] = { AddOrUpdateFile() };
  58   CreateList(&list, kInput1);
  59   VerifyList(list, kExpected1);
  60
  61   // AddOrUpdate + Delete -> Delete.
  62   const FileChange kInput2[] = { AddOrUpdateFile(), DeleteFile() };
  63   const FileChange kExpected2[] = { DeleteFile() };
  64   CreateList(&list, kInput2);
  65   VerifyList(list, kExpected2);
  66
  67   // Add + Delete -> empty (directory).
  68   const FileChange kInput3[] = { AddDirectory(), DeleteDirectory() };
  69   CreateList(&list, kInput3);
  70   ASSERT_TRUE(list.empty());
  71
  72   // Delete + AddOrUpdate -> AddOrUpdate.
  73   const FileChange kInput4[] = { DeleteFile(), AddOrUpdateFile() };
  74   const FileChange kExpected4[] = { AddOrUpdateFile() };
  75   CreateList(&list, kInput4);
  76   VerifyList(list, kExpected4);
  77
  78   // Delete + Add -> Add (directory).
  79   const FileChange kInput5[] = { DeleteDirectory(), AddDirectory() };
  80   const FileChange kExpected5[] = { AddDirectory() };
  81   CreateList(&list, kInput5);
  82   VerifyList(list, kExpected5);
  83 }
  84
  85 TEST(FileChangeListTest, UpdateCombined) {
  86   FileChangeList list;
  87
  88   // Longer ones.
  89   const FileChange kInput1[] = {
  90     AddOrUpdateFile(),
  91     AddOrUpdateFile(),
  92     AddOrUpdateFile(),
  93     AddOrUpdateFile(),
  94     DeleteFile(),
  95     AddDirectory(),
  96   };
  97   const FileChange kExpected1[] = { DeleteFile(), AddDirectory() };
  98   CreateList(&list, kInput1);
  99   VerifyList(list, kExpected1);
 100
 101   const FileChange kInput2[] = {
 102     AddOrUpdateFile(),
 103     DeleteFile(),
 104     AddOrUpdateFile(),
 105     AddOrUpdateFile(),
 106     AddOrUpdateFile(),
 107   };
 108   const FileChange kExpected2[] = { AddOrUpdateFile() };
 109   CreateList(&list, kInput2);
 110   VerifyList(list, kExpected2);
 111
 112   const FileChange kInput3[] = {
 113     AddDirectory(),
 114     DeleteDirectory(),
 115     AddOrUpdateFile(),
 116     AddOrUpdateFile(),
 117     AddOrUpdateFile(),
 118   };
 119   const FileChange kExpected3[] = { AddOrUpdateFile() };
 120   CreateList(&list, kInput3);
 121   VerifyList(list, kExpected3);
 122
 123   const FileChange kInput4[] = {
 124     AddDirectory(),
 125     DeleteDirectory(),
 126     AddOrUpdateFile(),
 127     DeleteFile(),
 128     AddOrUpdateFile(),
 129     DeleteFile(),
 130   };
 131   const FileChange kExpected4[] = { DeleteFile() };
 132   CreateList(&list, kInput4);
 133   VerifyList(list, kExpected4);
 134 }
 135
 136 }  // namespace sync_file_system