Unit tests for publishing app shortcuts on Mac

chrome/browser/web_applications/web_app_mac.mm

 // 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 "chrome/browser/web_applications/web_app.h"
+#include "chrome/browser/web_applications/web_app_mac.h"
 
 #import <Cocoa/Cocoa.h>
 
 #include "base/file_util.h"
 #include "base/mac/bundle_locations.h"
 #include "base/mac/foundation_util.h"
 #include "base/scoped_temp_dir.h"
 #include "base/sys_string_conversions.h"
+#include "chrome/browser/web_applications/web_app.h"
 #include "chrome/common/mac/app_mode_common.h"
 #include "content/public/browser/browser_thread.h"
 #include "grit/chromium_strings.h"
 #include "ui/base/l10n/l10n_util_mac.h"
 
-namespace {
+namespace web_app {
 
-// Returns a path to the app loader.
-FilePath GetAppLoaderPath() {
+WebAppShortcutCreator::WebAppShortcutCreator(
+    const ShellIntegration::ShortcutInfo& shortcut_info)
+    : info_(shortcut_info) {
+}
+
+WebAppShortcutCreator::~WebAppShortcutCreator() {
+}
+
+bool WebAppShortcutCreator::CreateShortcut() {
+  FilePath app_name = internals::GetSanitizedFileName(info_.title);
+  FilePath app_file_name = app_name.ReplaceExtension("app");
+  ScopedTempDir scoped_temp_dir;
+  if (!scoped_temp_dir.CreateUniqueTempDir())
+    return false;
+  FilePath staging_path = scoped_temp_dir.path().Append(app_file_name);
+
+  // Update the app's plist and icon in a temp directory. This works around
+  // a Finder bug where the app's icon doesn't properly update.
+  if (!file_util::CopyDirectory(GetAppLoaderPath(), staging_path, true)) {
+    LOG(ERROR) << "Copying app to staging path: " << staging_path.value()
+               << " failed";
+    return false;
+  }
+
+  if (!UpdatePlist(staging_path))
+    return false;
+
+  if (!UpdateIcon(staging_path))
+    return false;
+
+  FilePath dst_path = GetDestinationPath(app_file_name);
+  if (!file_util::CopyDirectory(staging_path, dst_path, true)) {
+    LOG(ERROR) << "Copying app to dst path: " << dst_path.value() << " failed";
+    return false;
+  }
+
+  [[NSWorkspace sharedWorkspace]
+      selectFile:base::mac::FilePathToNSString(dst_path)
+      inFileViewerRootedAtPath:nil];
+  return true;
+}
+
+FilePath WebAppShortcutCreator::GetAppLoaderPath() const {
   NSString* app_loader = [l10n_util::GetNSString(IDS_PRODUCT_NAME)
       stringByAppendingString:@" App Mode Loader.app"];
   return base::mac::PathForFrameworkBundleResource(
       base::mac::NSToCFCast(app_loader));
 }
 
-// Returns a path to the destination where the app should be written to.
-FilePath GetDestinationPath() {
+FilePath WebAppShortcutCreator::GetDestinationPath(
+    const FilePath& app_file_name) const {
   FilePath path;
   if (base::mac::GetLocalDirectory(NSApplicationDirectory, &path) &&
       file_util::PathIsWritable(path)) {
     return path;
   }
 
   if (base::mac::GetUserDirectory(NSApplicationDirectory, &path))
     return path;
 
   return FilePath();
 }
 
-// Updates the plist inside |app_path| with the information in |info|.
-bool UpdatePlist(const FilePath& app_path,
-                 const ShellIntegration::ShortcutInfo& info) {
+bool WebAppShortcutCreator::UpdatePlist(const FilePath& app_path) const {
   NSString* plist_path = base::mac::FilePathToNSString(
       app_path.Append("Contents").Append("Info.plist"));
   NSMutableDictionary* dict =
       [NSMutableDictionary dictionaryWithContentsOfFile:plist_path];
 
-  [dict setObject:base::SysUTF8ToNSString(info.extension_id)
+  [dict setObject:base::SysUTF8ToNSString(info_.extension_id)
            forKey:app_mode::kCrAppModeShortcutIDKey];
-  [dict setObject:base::SysUTF16ToNSString(info.title)
+  [dict setObject:base::SysUTF16ToNSString(info_.title)
            forKey:app_mode::kCrAppModeShortcutNameKey];
-  [dict setObject:base::SysUTF8ToNSString(info.url.spec())
+  [dict setObject:base::SysUTF8ToNSString(info_.url.spec())
            forKey:app_mode::kCrAppModeShortcutURLKey];
   return [dict writeToFile:plist_path atomically:YES];
 }
 
-bool UpdateIcon() {
+bool WebAppShortcutCreator::UpdateIcon(const FilePath& app_path) const {
   // TODO:(sail) Need to implement this.
   return true;
 }
 
 }  // namespace
 
 namespace web_app {
 namespace internals {
 
 void CreateShortcutTask(const FilePath& web_app_path,
                         const FilePath& profile_path,
                         const ShellIntegration::ShortcutInfo& shortcut_info) {
   DCHECK(content::BrowserThread::CurrentlyOn(content::BrowserThread::FILE));
-  FilePath app_name = GetSanitizedFileName(shortcut_info.title);
-  FilePath app_file_name = app_name.ReplaceExtension("app");
-  ScopedTempDir scoped_temp_dir;
-  if (!scoped_temp_dir.CreateUniqueTempDir())
-    return;
-  FilePath staging_path = scoped_temp_dir.path().Append(app_file_name);
-
-  // Update the app's plist and icon in a temp directory. This works around
-  // a Finder bug where the app's icon doesn't properly update.
-  if (!file_util::CopyDirectory(GetAppLoaderPath(), staging_path, true)) {
-    LOG(ERROR) << "Copying app to staging path: " << staging_path.value()
-               << " failed";
-    return;
-  }
-
-  if (!UpdatePlist(staging_path, shortcut_info))
-    return;
-
-  if (!UpdateIcon())
-    return;
-
-  FilePath dst_path = GetDestinationPath().Append(app_file_name);
-  if (!file_util::CopyDirectory(staging_path, dst_path, true)) {
-    LOG(ERROR) << "Copying app to dst path: " << dst_path.value() << " failed";
-    return;
-  }
-
-  [[NSWorkspace sharedWorkspace]
-      selectFile:base::mac::FilePathToNSString(dst_path)
-      inFileViewerRootedAtPath:nil];
+  WebAppShortcutCreator shortcut_creator(shortcut_info);
+  shortcut_creator.CreateShortcut();
 }
 
 }  // namespace internals
 }  // namespace web_app