Make NativeMediaFileUtil an AsyncFileUtil

chrome/browser/media_galleries/fileapi/native_media_file_util_unittest.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include <set>
 #include <string>
 
 #include "base/bind.h"
 #include "base/file_util.h"
 #include "base/files/scoped_temp_dir.h"
 #include "base/format_macros.h"
 #include "base/message_loop.h"
 #include "base/stringprintf.h"
 #include "base/time.h"
 #include "chrome/browser/media_galleries/fileapi/media_file_system_mount_point_provider.h"
 #include "chrome/browser/media_galleries/fileapi/native_media_file_util.h"
+#include "content/public/test/test_browser_thread.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "webkit/browser/fileapi/external_mount_points.h"
 #include "webkit/browser/fileapi/file_system_context.h"
 #include "webkit/browser/fileapi/file_system_mount_point_provider.h"
 #include "webkit/browser/fileapi/file_system_operation.h"
 #include "webkit/browser/fileapi/file_system_task_runners.h"
 #include "webkit/browser/fileapi/file_system_url.h"
 #include "webkit/browser/fileapi/isolated_context.h"
 #include "webkit/browser/fileapi/mock_file_system_options.h"
 #include "webkit/browser/fileapi/native_file_util.h"
@@ skipping 80 matching lines @@
       ASSERT_EQ(len, file_util::WriteFile(path, test_cases[i].content, len));
     }
   }
 }
 
 }  // namespace
 
 class NativeMediaFileUtilTest : public testing::Test {
  public:
   NativeMediaFileUtilTest()
-      : file_util_(NULL) {
+      : io_thread_(content::BrowserThread::IO, &message_loop_) {
   }
 
   virtual void SetUp() {
     ASSERT_TRUE(data_dir_.CreateUniqueTempDir());
     ASSERT_TRUE(file_util::CreateDirectory(root_path()));
 
     scoped_refptr<quota::SpecialStoragePolicy> storage_policy =
         new quota::MockSpecialStoragePolicy();
 
     ScopedVector<fileapi::FileSystemMountPointProvider> additional_providers;
     additional_providers.push_back(new MediaFileSystemMountPointProvider(
         data_dir_.path()));
 
     file_system_context_ = new fileapi::FileSystemContext(
         fileapi::FileSystemTaskRunners::CreateMockTaskRunners(),
         fileapi::ExternalMountPoints::CreateRefCounted().get(),
         storage_policy.get(),
         NULL,
         additional_providers.Pass(),
         data_dir_.path(),
         fileapi::CreateAllowFileAccessOptions());
 
-    file_util_ = file_system_context_->GetFileUtil(
-        fileapi::kFileSystemTypeNativeMedia);
-
     filesystem_id_ = isolated_context()->RegisterFileSystemForPath(
         fileapi::kFileSystemTypeNativeMedia, root_path(), NULL);
 
     isolated_context()->AddReference(filesystem_id_);
   }
 
   virtual void TearDown() {
     isolated_context()->RemoveReference(filesystem_id_);
     file_system_context_ = NULL;
   }
@@ skipping 18 matching lines @@
     return data_dir_.path().Append(FPL("Media Directory"));
   }
 
   base::FilePath GetVirtualPath(
       const base::FilePath::CharType* test_case_path) {
     return base::FilePath::FromUTF8Unsafe(filesystem_id_).
                Append(FPL("Media Directory")).
                Append(base::FilePath(test_case_path));
   }
 
-  fileapi::FileSystemFileUtil* file_util() {
-    return file_util_;
-  }
-
   GURL origin() {
     return GURL("http://example.com");
   }
 
   fileapi::FileSystemType type() {
     return fileapi::kFileSystemTypeNativeMedia;
   }
 
   FileSystemOperation* NewOperation(const FileSystemURL& url) {
     return file_system_context_->CreateFileSystemOperation(url, NULL);
   }
 
  private:
   base::MessageLoop message_loop_;
+  content::TestBrowserThread io_thread_;
 
   base::ScopedTempDir data_dir_;
   scoped_refptr<fileapi::FileSystemContext> file_system_context_;
 
-  fileapi::FileSystemFileUtil* file_util_;
   std::string filesystem_id_;
 
   DISALLOW_COPY_AND_ASSIGN(NativeMediaFileUtilTest);
 };
 
 TEST_F(NativeMediaFileUtilTest, DirectoryExistsAndFileExistsFiltering) {
   PopulateDirectoryWithTestCases(root_path(),
                                  kFilteringTestCases,
                                  arraysize(kFilteringTestCases));
 
@@ skipping 35 matching lines @@
 
   for (size_t i = 0; i < arraysize(kFilteringTestCases); ++i) {
     base::FilePath::StringType name =
         base::FilePath(kFilteringTestCases[i].path).BaseName().value();
     std::set<base::FilePath::StringType>::const_iterator found =
         content.find(name);
     EXPECT_EQ(kFilteringTestCases[i].visible, found != content.end());
   }
 }
 
-TEST_F(NativeMediaFileUtilTest, CreateFileAndCreateDirectoryFiltering) {
-  // Run the loop twice. The second loop attempts to create files that are
+TEST_F(NativeMediaFileUtilTest, CreateDirectoryFiltering) {
+  // Run the loop twice. The second loop attempts to create directories that are
   // pre-existing. Though the result should be the same.
   for (int loop_count = 0; loop_count < 2; ++loop_count) {
     for (size_t i = 0; i < arraysize(kFilteringTestCases); ++i) {
       FileSystemURL root_url = CreateURL(FPL(""));
       FileSystemOperation* operation = NewOperation(root_url);
 
       FileSystemURL url = CreateURL(kFilteringTestCases[i].path);
 
       std::string test_name = base::StringPrintf(
           "CreateFileAndCreateDirectoryFiltering run %d, test %" PRIuS,
           loop_count, i);
       base::PlatformFileError expectation =
           kFilteringTestCases[i].visible ?
           base::PLATFORM_FILE_OK :
           base::PLATFORM_FILE_ERROR_SECURITY;
       if (kFilteringTestCases[i].is_directory) {
         operation->CreateDirectory(
             url, false, false,
             base::Bind(&ExpectEqHelper, test_name, expectation));
-      } else {
-        operation->CreateFile(
-            url, false, base::Bind(&ExpectEqHelper, test_name, expectation));
       }
       base::MessageLoop::current()->RunUntilIdle();
     }
   }
 }
 
 TEST_F(NativeMediaFileUtilTest, CopySourceFiltering) {
   base::FilePath dest_path = root_path().AppendASCII("dest");
   FileSystemURL dest_url = CreateURL(FPL("dest"));
 
@@ skipping 229 matching lines @@
       operation->GetMetadata(url,
                              base::Bind(&ExpectMetadataEqHelper,
                                         test_name,
                                         expectation,
                                         kFilteringTestCases[i].is_directory));
       base::MessageLoop::current()->RunUntilIdle();
     }
   }
 }
 
-TEST_F(NativeMediaFileUtilTest, RemoveFiltering) {
-  // Run the loop twice. The first run has no files. The second run does.
-  for (int loop_count = 0; loop_count < 2; ++loop_count) {
-    if (loop_count == 1) {
-      PopulateDirectoryWithTestCases(root_path(),
-                                     kFilteringTestCases,
-                                     arraysize(kFilteringTestCases));
-    }
-    for (size_t i = 0; i < arraysize(kFilteringTestCases); ++i) {
-      FileSystemURL root_url = CreateURL(FPL(""));
-      FileSystemOperation* operation = NewOperation(root_url);
-
-      FileSystemURL url = CreateURL(kFilteringTestCases[i].path);
-
-      std::string test_name = base::StringPrintf(
-          "RemoveFiltering run %d test %" PRIuS, loop_count, i);
-      base::PlatformFileError expectation = base::PLATFORM_FILE_OK;
-      if (loop_count == 0 || !kFilteringTestCases[i].visible) {
-        // Cannot remove files that do not exist or are not visible.
-        expectation = base::PLATFORM_FILE_ERROR_NOT_FOUND;
-      }
-      operation->Remove(
-          url, false, base::Bind(&ExpectEqHelper, test_name, expectation));
-      base::MessageLoop::current()->RunUntilIdle();
-    }
-  }
-}
-
-TEST_F(NativeMediaFileUtilTest, TruncateFiltering) {
-  // Run the loop twice. The first run has no files. The second run does.
-  for (int loop_count = 0; loop_count < 2; ++loop_count) {
-    if (loop_count == 1) {
-      PopulateDirectoryWithTestCases(root_path(),
-                                     kFilteringTestCases,
-                                     arraysize(kFilteringTestCases));
-    }
-    for (size_t i = 0; i < arraysize(kFilteringTestCases); ++i) {
-      FileSystemURL root_url = CreateURL(FPL(""));
-      FileSystemOperation* operation = NewOperation(root_url);
-
-      FileSystemURL url = CreateURL(kFilteringTestCases[i].path);
-
-      std::string test_name = base::StringPrintf(
-          "TruncateFiltering run %d test %" PRIuS, loop_count, i);
-      base::PlatformFileError expectation = base::PLATFORM_FILE_OK;
-      if (loop_count == 0 || !kFilteringTestCases[i].visible) {
-        // Cannot truncate files that do not exist or are not visible.
-        expectation = base::PLATFORM_FILE_ERROR_NOT_FOUND;
-      } else if (kFilteringTestCases[i].is_directory) {
-        // Cannot truncate directories.
-        expectation = base::PLATFORM_FILE_ERROR_ACCESS_DENIED;
-      }
-      operation->Truncate(
-          url, 0, base::Bind(&ExpectEqHelper, test_name, expectation));
-      base::MessageLoop::current()->RunUntilIdle();
-    }
-  }
-}
-
-TEST_F(NativeMediaFileUtilTest, TouchFileFiltering) {
-  base::Time time = base::Time::Now();
-
-  // Run the loop twice. The first run has no files. The second run does.
-  for (int loop_count = 0; loop_count < 2; ++loop_count) {
-    if (loop_count == 1) {
-      PopulateDirectoryWithTestCases(root_path(),
-                                     kFilteringTestCases,
-                                     arraysize(kFilteringTestCases));
-    }
-    for (size_t i = 0; i < arraysize(kFilteringTestCases); ++i) {
-      FileSystemURL root_url = CreateURL(FPL(""));
-      FileSystemOperation* operation = NewOperation(root_url);
-
-      FileSystemURL url = CreateURL(kFilteringTestCases[i].path);
-
-      std::string test_name = base::StringPrintf(
-          "TouchFileFiltering run %d test %" PRIuS, loop_count, i);
-      base::PlatformFileError expectation = base::PLATFORM_FILE_OK;
-      if (loop_count == 0 || !kFilteringTestCases[i].visible) {
-        // Files do not exists. Touch fails.
-        expectation = base::PLATFORM_FILE_ERROR_FAILED;
-      }
-      operation->TouchFile(
-          url, time, time, base::Bind(&ExpectEqHelper, test_name, expectation));
-      base::MessageLoop::current()->RunUntilIdle();
-    }
-  }
-}
-
 void CreateSnapshotCallback(base::PlatformFileError* error,
     base::PlatformFileError result, const base::PlatformFileInfo&,
     const base::FilePath&,
     const scoped_refptr<webkit_blob::ShareableFileReference>&) {
   *error = result;
 }
 
 TEST_F(NativeMediaFileUtilTest, CreateSnapshot) {
   PopulateDirectoryWithTestCases(root_path(),
                                  kFilteringTestCases,
@@ skipping 13 matching lines @@
       expected_error = base::PLATFORM_FILE_ERROR_SECURITY;
     error = base::PLATFORM_FILE_ERROR_FAILED;
     operation->CreateSnapshotFile(url,
         base::Bind(CreateSnapshotCallback, &error));
     base::MessageLoop::current()->RunUntilIdle();
     ASSERT_EQ(expected_error, error);
   }
 }
 
 }  // namespace chrome