Add a basic FileBrowseUI browser test to verify <input type=file..> would bring up FileBrowseUI.

<http://crosbugs.com/2056>
BUG=none
TEST=none

Review URL: http://codereview.chromium.org/1315003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@42672 0039d316-1c4b-4281-b951-d872f2087c98

3 files changed, 160 insertions, 1 deletions

diff --git a/chrome/browser/dom_ui/file_browse_browsertest.cc b/chrome/browser/dom_ui/file_browse_browsertest.cc
new file mode 100644
index 0000000..20ff287
--- /dev/null
+++ b/chrome/browser/dom_ui/file_browse_browsertest.cc
@@ -0,0 +1,151 @@
+// Copyright (c) 2010 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 "base/file_path.h"
+#include "base/file_util.h"
+#include "base/task.h"
+#include "base/values.h"
+#include "base/path_service.h"
+#include "chrome/browser/dom_ui/dom_ui.h"
+#include "chrome/browser/tab_contents/navigation_controller.h"
+#include "chrome/browser/tab_contents/tab_contents.h"
+#include "chrome/browser/views/html_dialog_view.h"
+#include "chrome/common/chrome_paths.h"
+#include "chrome/common/notification_registrar.h"
+#include "chrome/common/url_constants.h"
+#include "chrome/test/in_process_browser_test.h"
+#include "chrome/test/ui_test_utils.h"
+
+namespace {
+
+class FileBrowseBrowserTest : public InProcessBrowserTest {
+ public:
+   FileBrowseBrowserTest() {
+     EnableDOMAutomation();
+   }
+};
+
+class FileBrowseUiObserver : public NotificationObserver {
+ public:
+  FileBrowseUiObserver() : file_browse_tab_(NULL), is_waiting_(false) {
+    registrar_.Add(this, NotificationType::LOAD_STOP,
+                   NotificationService::AllSources());
+  }
+
+  void WaitForFileBrowseLoad() {
+    if (file_browse_tab_ == NULL) {
+      is_waiting_ = true;
+      ui_test_utils::RunMessageLoop();
+    }
+  }
+
+  // File browse tab deletion is a non-nestable task and BrowserTest would
+  // not get related notification because test body runs in a task already.
+  // Uses a periodical check of the dialog window to implement the wait.
+  void WaitForFileBrowseClose() {
+    CheckFileBrowseClosed();
+
+    if (file_browse_tab_ != NULL) {
+      is_waiting_ = true;
+      ui_test_utils::RunMessageLoop();
+    }
+  }
+
+  virtual void Observe(NotificationType type,
+                       const NotificationSource& source,
+                       const NotificationDetails& details) {
+    if (type == NotificationType::LOAD_STOP) {
+      NavigationController* controller =
+          Source<NavigationController>(source).ptr();
+
+      if (controller) {
+        TabContents* tab_contents = controller->tab_contents();
+        if (tab_contents &&
+            tab_contents->GetURL().SchemeIs(chrome::kChromeUIScheme) &&
+            tab_contents->GetURL().host() == chrome::kChromeUIFileBrowseHost) {
+          file_browse_tab_ = tab_contents;
+
+          if (is_waiting_) {
+            is_waiting_ = false;
+            MessageLoopForUI::current()->Quit();
+          }
+        }
+      }
+    }
+  }
+
+  TabContents* file_browse_tab() {
+    return file_browse_tab_;
+  }
+
+  DOMUI* file_browse_ui() {
+    return file_browse_tab_ ? file_browse_tab_->render_manager()->dom_ui() :
+                              NULL;
+  }
+
+ private:
+  class CheckFileBrowseClosedTask : public Task {
+   public:
+    explicit CheckFileBrowseClosedTask(FileBrowseUiObserver* owner)
+        : owner_(owner) {
+    }
+
+    virtual void Run() {
+      owner_->CheckFileBrowseClosed();
+    }
+
+   private:
+    FileBrowseUiObserver* owner_;
+  };
+
+  void CheckFileBrowseClosed() {
+    HtmlDialogView* dialog_view =
+        static_cast<HtmlDialogView*>(file_browse_tab_->delegate());
+
+    if (dialog_view->native_view()) {
+      MessageLoopForUI::current()->PostDelayedTask(
+          FROM_HERE, new CheckFileBrowseClosedTask(this), 100);
+    } else {
+      file_browse_tab_ = NULL;
+
+      if (is_waiting_) {
+        is_waiting_ = false;
+        MessageLoopForUI::current()->Quit();
+      }
+    }
+  }
+
+  NotificationRegistrar registrar_;
+  TabContents* file_browse_tab_;
+  bool is_waiting_;
+
+  DISALLOW_COPY_AND_ASSIGN(FileBrowseUiObserver);
+};
+
+IN_PROC_BROWSER_TEST_F(FileBrowseBrowserTest, InputFileTriggerFileBrowse) {
+  HTTPTestServer* server = StartHTTPServer();
+  ui_test_utils::NavigateToURL(browser(),
+                               server->TestServerPage("files/input_file.html"));
+
+  DOMElementProxyRef doc = ui_test_utils::GetActiveDOMDocument(browser());
+
+  DOMElementProxyRef input_file = doc->FindBySelectors(".single");
+  ASSERT_TRUE(input_file);
+
+  // Creates FileBrowseUiObserver before we click.
+  FileBrowseUiObserver observer;
+
+  // Click on the input control. This should bring up the FileBrowseUI.
+  input_file->Click();
+
+  observer.WaitForFileBrowseLoad();
+  DOMUI* file_browser_ui = observer.file_browse_ui();
+  ASSERT_TRUE(file_browser_ui);
+
+  file_browser_ui->CallJavascriptFunction(L"dialogCancelClick");
+
+  observer.WaitForFileBrowseClose();
+}
+
+}  // namespace
diff --git a/chrome/chrome_tests.gypi b/chrome/chrome_tests.gypi
index b8db1cb..33cf940 100644
--- a/chrome/chrome_tests.gypi
+++ b/chrome/chrome_tests.gypi
@@ -1218,6 +1218,7 @@
         'browser/chromeos/notifications/notification_browsertest.cc',
         'browser/chromeos/login/wizard_controller_browsertest.cc',
         'browser/crash_recovery_browsertest.cc',
+        'browser/dom_ui/file_browse_browsertest.cc',
         'browser/dom_ui/mediaplayer_browsertest.cc',
         'browser/download/save_page_browsertest.cc',
         'browser/extensions/autoupdate_interceptor.cc',
@@ -1279,7 +1280,8 @@
         ['chromeos==0', {
           'sources/': [
             ['exclude', '^browser/chromeos'],
-            ['exclude', 'browser/dom_ui/mediaplayer_browsertest.cc'],
+            ['exclude', '^browser/dom_ui/mediaplayer_browsertest.cc'],
+            ['exclude', '^browser/dom_ui/file_browse_browsertest.cc'],
           ],
         }],
         ['OS=="win"', {
diff --git a/chrome/test/data/input_file.html b/chrome/test/data/input_file.html
new file mode 100644
index 0000000..bd1d86b
--- /dev/null
+++ b/chrome/test/data/input_file.html
@@ -0,0 +1,6 @@
+<html>
+  <body>
+    <input class=single type=file>
+    <input class=multi type=file multiple>
+  </body>
+</html>