Add tests for the page visibility, position, and clip in the new view API. This adds some additional capabilities to the UI test framework to support navigating background tabs.

Review URL: http://codereview.chromium.org/9034001

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@116507 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 197 insertions, 0 deletions

diff --git a/ppapi/tests/test_view.cc b/ppapi/tests/test_view.cc
new file mode 100644
index 0000000..3889285
--- /dev/null
+++ b/ppapi/tests/test_view.cc
@@ -0,0 +1,197 @@
+// Copyright (c) 2011 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 "ppapi/tests/test_view.h"

+

+#include <sstream>

+

+#include "ppapi/c/pp_time.h"

+#include "ppapi/c/dev/ppb_testing_dev.h"

+#include "ppapi/cpp/completion_callback.h"

+#include "ppapi/tests/testing_instance.h"

+

+REGISTER_TEST_CASE(View);

+

+// When waiting for view changed events, wait no longer than this.

+static int kViewChangeTimeoutSec = 5;

+

+TestView::TestView(TestingInstance* instance)

+    : TestCase(instance),

+      post_quit_on_view_changed_(false) {

+}

+

+void TestView::DidChangeView(const pp::View& view) {

+  last_view_ = view;

+  page_visibility_log_.push_back(view.IsPageVisible());

+

+  if (post_quit_on_view_changed_) {

+    post_quit_on_view_changed_ = false;

+    testing_interface_->QuitMessageLoop(instance_->pp_instance());

+  }

+}

+

+bool TestView::Init() {

+  return CheckTestingInterface();

+}

+

+void TestView::RunTests(const std::string& filter) {

+  RUN_TEST(CreatedVisible, filter);

+  RUN_TEST(CreatedInvisible, filter);

+  RUN_TEST(PageHideShow, filter);

+  RUN_TEST(SizeChange, filter);

+  RUN_TEST(ClipChange, filter);

+}

+

+bool TestView::WaitUntilViewChanged() {

+  // Schedule a callback so this step times out if we don't get a ViewChanged

+  // in a reasonable amount of time.

+  pp::CompletionCallbackFactory<TestView> factory(this);

+  pp::CompletionCallback timeout =

+      factory.NewCallback(&TestView::QuitMessageLoop);

+  pp::Module::Get()->core()->CallOnMainThread(

+      kViewChangeTimeoutSec * 1000, timeout);

+

+  size_t old_page_visibility_change_count = page_visibility_log_.size();

+

+  // Run a nested message loop. It will exit either on ViewChanged or if the

+  // timeout happens.

+  post_quit_on_view_changed_ = true;

+  testing_interface_->RunMessageLoop(instance_->pp_instance());

+  post_quit_on_view_changed_ = false;

+

+  // We know we got a view changed event if something was appended to the log.

+  return page_visibility_log_.size() > old_page_visibility_change_count;

+}

+

+void TestView::QuitMessageLoop(int32_t result) {

+  testing_interface_->QuitMessageLoop(instance_->pp_instance());

+}

+

+std::string TestView::TestCreatedVisible() {

+  ASSERT_FALSE(page_visibility_log_.empty());

+  ASSERT_TRUE(page_visibility_log_[0]);

+  PASS();

+}

+

+std::string TestView::TestCreatedInvisible() {

+  ASSERT_FALSE(page_visibility_log_.empty());

+

+  if (page_visibility_log_[0]) {

+    // Add more error message since this test has some extra requirements.

+    instance_->AppendError("Initial page is set to visible. NOTE: "

+        "This test must be run in a background tab. "

+        "Either run in the UI test which does this, or you can middle-click "

+        "on the test link to run manually.");

+  }

+  ASSERT_FALSE(page_visibility_log_[0]);

+  PASS();

+}

+

+std::string TestView::TestPageHideShow() {

+  // Initial state should be visible.

+  ASSERT_FALSE(page_visibility_log_.empty());

+  ASSERT_TRUE(page_visibility_log_[0]);

+

+  // Now that we're alive, set a cookie so the UI test knows it can change our

+  // visibility.

+  instance_->SetCookie("TestPageHideShow:Created", "TRUE");

+

+  // Wait until we get a hide event, being careful to handle spurious

+  // notifications of ViewChanged.

+  PP_Time begin_time = pp::Module::Get()->core()->GetTime();

+  while (WaitUntilViewChanged() &&

+         page_visibility_log_[page_visibility_log_.size() - 1] &&

+         pp::Module::Get()->core()->GetTime() - begin_time <

+             kViewChangeTimeoutSec) {

+  }

+  if (page_visibility_log_[page_visibility_log_.size() - 1]) {

+    // Didn't get a view changed event that changed visibility (though there

+    // may have been some that didn't change visibility).

+    // Add more error message since this test has some extra requirements.

+    return "Didn't receive a hide event in timeout. NOTE: "

+        "This test requires tab visibility to change and won't pass if you "

+        "just run it in a browser. Normally the UI test should handle "

+        "this. You can also run manually by waiting 2 secs, creating a new "

+        "tab, waiting 2 more secs, and closing the new tab.";

+  }

+

+  // Set a cookie so the UI test knows it can show us again.

+  instance_->SetCookie("TestPageHideShow:Hidden", "TRUE");

+

+  // Wait until we get a show event.

+  begin_time = pp::Module::Get()->core()->GetTime();

+  while (WaitUntilViewChanged() &&

+         !page_visibility_log_[page_visibility_log_.size() - 1] &&

+         pp::Module::Get()->core()->GetTime() - begin_time <

+             kViewChangeTimeoutSec) {

+  }

+  ASSERT_TRUE(page_visibility_log_[page_visibility_log_.size() - 1]);

+

+  PASS();

+}

+

+std::string TestView::TestSizeChange() {

+  pp::Rect original_rect = last_view_.GetRect();

+

+  pp::Rect desired_rect = original_rect;

+  desired_rect.set_width(original_rect.width() + 10);

+  desired_rect.set_height(original_rect.height() + 12);

+

+  std::ostringstream script_stream;

+  script_stream << "var plugin = document.getElementById('plugin');";

+  script_stream << "plugin.setAttribute('width', "

+                << desired_rect.width() << ");";

+  script_stream << "plugin.setAttribute('height', "

+                << desired_rect.height() << ");";

+

+  instance_->EvalScript(script_stream.str());

+

+  PP_Time begin_time = pp::Module::Get()->core()->GetTime();

+  while (WaitUntilViewChanged() && last_view_.GetRect() != desired_rect &&

+         pp::Module::Get()->core()->GetTime() - begin_time <

+             kViewChangeTimeoutSec) {

+  }

+  ASSERT_TRUE(last_view_.GetRect() == desired_rect);

+

+  PASS();

+}

+

+std::string TestView::TestClipChange() {

+  pp::Rect original_rect = last_view_.GetRect();

+

+  // Original clip should be the full frame.

+  pp::Rect original_clip = last_view_.GetClipRect();

+  ASSERT_TRUE(original_clip.x() == 0);

+  ASSERT_TRUE(original_clip.y() == 0);

+  ASSERT_TRUE(original_clip.width() == original_rect.width());

+  ASSERT_TRUE(original_clip.height() == original_rect.height());

+

+  int clip_amount = original_rect.height() / 2;

+

+  // It might be nice to set the position to be absolute and set the location,

+  // but this will cause WebKit to actually tear down the plugin and recreate

+  // it. So instead we add a big div to cause the document to be scrollable,

+  // and scroll it down.

+  std::ostringstream script_stream;

+  script_stream

+      << "var big = document.createElement('div');"

+      << "big.setAttribute('style', 'position:absolute; left:100px; "

+                                    "top:0px; width:1px; height:5000px;');"

+      << "document.body.appendChild(big);"

+      << "window.scrollBy(0, " << original_rect.y() + clip_amount << ");";

+

+  instance_->EvalScript(script_stream.str());

+

+  pp::Rect desired_clip = original_clip;

+  desired_clip.set_y(clip_amount);

+  desired_clip.set_height(desired_clip.height() - desired_clip.y());

+

+  PP_Time begin_time = pp::Module::Get()->core()->GetTime();

+  while (WaitUntilViewChanged() && last_view_.GetClipRect() != desired_clip &&

+         pp::Module::Get()->core()->GetTime() - begin_time <

+             kViewChangeTimeoutSec) {

+  }

+  ASSERT_TRUE(last_view_.GetClipRect() == desired_clip);

+  PASS();

+}