Picasa import: 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 "testing/gtest/include/gtest/gtest.h"
+#include "webkit/browser/fileapi/async_file_util_test_helper.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"
 #include "webkit/quota/mock_special_storage_policy.h"
@@ skipping 103 matching lines @@
     file_system_context_ =
         new fileapi::FileSystemContext(
             fileapi::FileSystemTaskRunners::CreateMockTaskRunners(),
             fileapi::ExternalMountPoints::CreateRefCounted().get(),
             storage_policy,
             NULL,
             additional_providers.Pass(),
             data_dir_.path(),
             fileapi::CreateAllowFileAccessOptions());
 
-    file_util_ = file_system_context_->GetFileUtil(
-        fileapi::kFileSystemTypeNativeMedia);
+    file_util_.reset(
+        new fileapi::AsyncFileUtilTestHelper(new NativeMediaFileUtil()));
 
     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 20 matching lines @@
   }
 
   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_;
+    return file_util_.get();
   }
 
   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_;
 
   base::ScopedTempDir data_dir_;
   scoped_refptr<fileapi::FileSystemContext> file_system_context_;
 
-  fileapi::FileSystemFileUtil* file_util_;
+  scoped_ptr<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
-  // 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"));
-
-  // Run the loop twice. The first run has no source 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) {
-      // Always start with an empty destination directory.
-      // Copying to a non-empty destination directory is an invalid operation.
-      ASSERT_TRUE(file_util::Delete(dest_path, true));
-      ASSERT_TRUE(file_util::CreateDirectory(dest_path));
-
-      FileSystemURL root_url = CreateURL(FPL(""));
-      FileSystemOperation* operation = NewOperation(root_url);
-
-      FileSystemURL url = CreateURL(kFilteringTestCases[i].path);
-
-      std::string test_name = base::StringPrintf(
-          "CopySourceFiltering run %d test %" PRIuS, loop_count, i);
-      base::PlatformFileError expectation = base::PLATFORM_FILE_OK;
-      if (loop_count == 0 || !kFilteringTestCases[i].visible) {
-        // If the source does not exist or is not visible.
-        expectation = base::PLATFORM_FILE_ERROR_NOT_FOUND;
-      } else if (!kFilteringTestCases[i].is_directory) {
-        // Cannot copy a visible file to a directory.
-        expectation = base::PLATFORM_FILE_ERROR_INVALID_OPERATION;
-      }
-      operation->Copy(
-          url, dest_url, base::Bind(&ExpectEqHelper, test_name, expectation));
-      base::MessageLoop::current()->RunUntilIdle();
-    }
-  }
-}
-
-TEST_F(NativeMediaFileUtilTest, CopyDestFiltering) {
-  // Run the loop twice. The first run has no destination files.
-  // The second run does.
-  for (int loop_count = 0; loop_count < 2; ++loop_count) {
-    if (loop_count == 1) {
-      // Reset the test directory between the two loops to remove old
-      // directories and create new ones that should pre-exist.
-      ASSERT_TRUE(file_util::Delete(root_path(), true));
-      ASSERT_TRUE(file_util::CreateDirectory(root_path()));
-      PopulateDirectoryWithTestCases(root_path(),
-                                     kFilteringTestCases,
-                                     arraysize(kFilteringTestCases));
-    }
-
-    // Always create a dummy source data file.
-    base::FilePath src_path = root_path().AppendASCII("foo.jpg");
-    FileSystemURL src_url = CreateURL(FPL("foo.jpg"));
-    static const char kDummyData[] = "dummy";
-    ASSERT_TRUE(file_util::WriteFile(src_path, kDummyData, strlen(kDummyData)));
-
-    for (size_t i = 0; i < arraysize(kFilteringTestCases); ++i) {
-      if (loop_count == 0 && kFilteringTestCases[i].is_directory) {
-        // These directories do not exist in this case, so Copy() will not
-        // treat them as directories. Thus invalidating these test cases.
-        // Continue now to avoid creating a new |operation| below that goes
-        // unused.
-        continue;
-      }
-      FileSystemURL root_url = CreateURL(FPL(""));
-      FileSystemOperation* operation = NewOperation(root_url);
-
-      FileSystemURL url = CreateURL(kFilteringTestCases[i].path);
-
-      std::string test_name = base::StringPrintf(
-          "CopyDestFiltering run %d test %" PRIuS, loop_count, i);
-      base::PlatformFileError expectation;
-      if (loop_count == 0) {
-        // The destination path is a file here. The directory case has been
-        // handled above.
-        // If the destination path does not exist and is not visible, then
-        // creating it would be a security violation.
-        expectation =
-            kFilteringTestCases[i].visible ?
-            base::PLATFORM_FILE_OK :
-            base::PLATFORM_FILE_ERROR_SECURITY;
-      } else {
-        if (!kFilteringTestCases[i].visible) {
-          // If the destination path exist and is not visible, then to the copy
-          // operation, it looks like the file needs to be created, which is a
-          // security violation.
-          expectation = base::PLATFORM_FILE_ERROR_SECURITY;
-        } else if (kFilteringTestCases[i].is_directory) {
-          // Cannot copy a file to a directory.
-          expectation = base::PLATFORM_FILE_ERROR_INVALID_OPERATION;
-        } else {
-          // Copying from a file to a visible file that exists is ok.
-          expectation = base::PLATFORM_FILE_OK;
-        }
-      }
-      operation->Copy(
-          src_url, url, base::Bind(&ExpectEqHelper, test_name, expectation));
-      base::MessageLoop::current()->RunUntilIdle();
-    }
-  }
-}
-
-TEST_F(NativeMediaFileUtilTest, MoveSourceFiltering) {
-  base::FilePath dest_path = root_path().AppendASCII("dest");
-  FileSystemURL dest_url = CreateURL(FPL("dest"));
-
-  // Run the loop twice. The first run has no source 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) {
-      // Always start with an empty destination directory.
-      // Moving to a non-empty destination directory is an invalid operation.
-      ASSERT_TRUE(file_util::Delete(dest_path, true));
-      ASSERT_TRUE(file_util::CreateDirectory(dest_path));
-
-      FileSystemURL root_url = CreateURL(FPL(""));
-      FileSystemOperation* operation = NewOperation(root_url);
-
-      FileSystemURL url = CreateURL(kFilteringTestCases[i].path);
-
-      std::string test_name = base::StringPrintf(
-          "MoveSourceFiltering run %d test %" PRIuS, loop_count, i);
-      base::PlatformFileError expectation = base::PLATFORM_FILE_OK;
-      if (loop_count == 0 || !kFilteringTestCases[i].visible) {
-        // If the source does not exist or is not visible.
-        expectation = base::PLATFORM_FILE_ERROR_NOT_FOUND;
-      } else if (!kFilteringTestCases[i].is_directory) {
-        // Cannot move a visible file to a directory.
-        expectation = base::PLATFORM_FILE_ERROR_INVALID_OPERATION;
-      }
-      operation->Move(
-          url, dest_url, base::Bind(&ExpectEqHelper, test_name, expectation));
-      base::MessageLoop::current()->RunUntilIdle();
-    }
-  }
-}
-
-TEST_F(NativeMediaFileUtilTest, MoveDestFiltering) {
-  // Run the loop twice. The first run has no destination files.
-  // The second run does.
-  for (int loop_count = 0; loop_count < 2; ++loop_count) {
-    if (loop_count == 1) {
-      // Reset the test directory between the two loops to remove old
-      // directories and create new ones that should pre-exist.
-      ASSERT_TRUE(file_util::Delete(root_path(), true));
-      ASSERT_TRUE(file_util::CreateDirectory(root_path()));
-      PopulateDirectoryWithTestCases(root_path(),
-                                     kFilteringTestCases,
-                                     arraysize(kFilteringTestCases));
-    }
-
-    for (size_t i = 0; i < arraysize(kFilteringTestCases); ++i) {
-      if (loop_count == 0 && kFilteringTestCases[i].is_directory) {
-        // These directories do not exist in this case, so Copy() will not
-        // treat them as directories. Thus invalidating these test cases.
-        // Continue now to avoid creating a new |operation| below that goes
-        // unused.
-        continue;
-      }
-
-      // Create the source file for every test case because it might get moved.
-      base::FilePath src_path = root_path().AppendASCII("foo.jpg");
-      FileSystemURL src_url = CreateURL(FPL("foo.jpg"));
-      static const char kDummyData[] = "dummy";
-      ASSERT_TRUE(
-          file_util::WriteFile(src_path, kDummyData, strlen(kDummyData)));
-
-      FileSystemURL root_url = CreateURL(FPL(""));
-      FileSystemOperation* operation = NewOperation(root_url);
-
-      FileSystemURL url = CreateURL(kFilteringTestCases[i].path);
-
-      std::string test_name = base::StringPrintf(
-          "MoveDestFiltering run %d test %" PRIuS, loop_count, i);
-      base::PlatformFileError expectation;
-      if (loop_count == 0) {
-        // The destination path is a file here. The directory case has been
-        // handled above.
-        // If the destination path does not exist and is not visible, then
-        // creating it would be a security violation.
-        expectation =
-            kFilteringTestCases[i].visible ?
-            base::PLATFORM_FILE_OK :
-            base::PLATFORM_FILE_ERROR_SECURITY;
-      } else {
-        if (!kFilteringTestCases[i].visible) {
-          // If the destination path exist and is not visible, then to the move
-          // operation, it looks like the file needs to be created, which is a
-          // security violation.
-          expectation = base::PLATFORM_FILE_ERROR_SECURITY;
-        } else if (kFilteringTestCases[i].is_directory) {
-          // Cannot move a file to a directory.
-          expectation = base::PLATFORM_FILE_ERROR_INVALID_OPERATION;
-        } else {
-          // Moving from a file to a visible file that exists is ok.
-          expectation = base::PLATFORM_FILE_OK;
-        }
-      }
-      operation->Move(
-          src_url, url, base::Bind(&ExpectEqHelper, test_name, expectation));
-      base::MessageLoop::current()->RunUntilIdle();
-    }
-  }
-}
-
 TEST_F(NativeMediaFileUtilTest, GetMetadataFiltering) {
   // 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(""));
@@ skipping 11 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