Implement bluetooth chooser for Chrome Apps on non-Mac desktops

chrome/browser/ui/views/extensions/chooser_dialog_view_browsertest.cc

+// Copyright 2016 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/ui/views/extensions/chooser_dialog_view.h"
+
+#include "base/macros.h"
+#include "chrome/browser/extensions/extension_browsertest.h"
+#include "chrome/browser/ui/tabs/tab_strip_model.h"
+#include "chrome/grit/generated_resources.h"
+#include "components/chooser_controller/chooser_controller.h"
+#include "testing/gmock/include/gmock/gmock.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "ui/base/l10n/l10n_util.h"
+#include "ui/gfx/range/range.h"
+#include "ui/views/controls/table/table_view.h"
+
+namespace {
+
+class MockChooserController : public ChooserController {

[msw, 2016/06/08 01:16:32]

Can you share this between the dialog and bubble?

[juncai, 2016/06/09 01:59:53]

Done.

+ public:
+  MockChooserController() : ChooserController(nullptr) {}
+  ~MockChooserController() override {}
+
+  // ChooserController:
+  size_t NumOptions() const override { return option_names_.size(); }
+
+  // ChooserController:
+  const base::string16& GetOption(size_t index) const override {
+    return option_names_[index];
+  }
+
+  // ChooserController:
+  MOCK_METHOD1(Select, void(size_t index));
+
+  // ChooserController:
+  MOCK_METHOD0(Cancel, void());
+
+  // ChooserController:
+  MOCK_METHOD0(Close, void());
+
+  // ChooserController:
+  MOCK_CONST_METHOD0(OpenHelpCenterUrl, void());
+
+  void OptionAdded(const base::string16 option_name) {
+    option_names_.push_back(option_name);
+    if (observer())
+      observer()->OnOptionAdded(option_names_.size() - 1);
+  }
+
+  void OptionRemoved(const base::string16 option_name) {
+    for (auto it = option_names_.begin(); it != option_names_.end(); ++it) {
+      if (*it == option_name) {
+        size_t index = it - option_names_.begin();
+        option_names_.erase(it);
+        if (observer())
+          observer()->OnOptionRemoved(index);
+        return;
+      }
+    }
+  }
+
+ private:
+  std::vector<base::string16> option_names_;
+
+  DISALLOW_COPY_AND_ASSIGN(MockChooserController);
+};
+
+}  // namespace
+
+class ChooserDialogViewTest : public ExtensionBrowserTest {
+ public:
+  ChooserDialogViewTest() {}
+  ~ChooserDialogViewTest() override {}
+
+  void SetUpOnMainThread() override {
+    content::WebContents* web_contents =
+        browser()->tab_strip_model()->GetWebContentsAt(0);
+    mock_chooser_controller_.reset(new MockChooserController());
+    ASSERT_TRUE(mock_chooser_controller_);

[msw, 2016/06/08 01:16:32]

nit: this seems unnecessary.

[juncai, 2016/06/09 01:59:53]

Done.

+    chooser_dialog_view_.reset(
+        new ChooserDialogView(web_contents, mock_chooser_controller_.get()));
+    ASSERT_TRUE(chooser_dialog_view_);

[msw, 2016/06/08 01:16:32]

nit: this seems unnecessary.

[juncai, 2016/06/09 01:59:53]

Done.

+    table_view_ = chooser_dialog_view_->table_view_;
+    ASSERT_TRUE(table_view_);
+    table_model_ = chooser_dialog_view_->table_model_;
+    ASSERT_TRUE(table_model_);
+  }
+
+ protected:
+  std::unique_ptr<MockChooserController> mock_chooser_controller_;
+  std::unique_ptr<ChooserDialogView> chooser_dialog_view_;
+  views::TableView* table_view_;
+  ui::TableModel* table_model_;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(ChooserDialogViewTest);
+};
+
+IN_PROC_BROWSER_TEST_F(ChooserDialogViewTest, InitialState) {
+  // Since "No devices found." needs to be displayed on the |table_view_|,
+  // the number of rows is 1.
+  EXPECT_EQ(table_view_->RowCount(), 1);
+  EXPECT_EQ(
+      table_model_->GetText(0, 0),
+      l10n_util::GetStringUTF16(IDS_CHOOSER_BUBBLE_NO_DEVICES_FOUND_PROMPT));
+  // |table_view_| should be disabled since there is no option shown.
+  EXPECT_FALSE(table_view_->enabled());
+  // No option selected.
+  EXPECT_EQ(table_view_->SelectedRowCount(), 0);
+  EXPECT_EQ(table_view_->FirstSelectedRow(), -1);
+}
+
+IN_PROC_BROWSER_TEST_F(ChooserDialogViewTest, Accept) {
+  EXPECT_CALL(*mock_chooser_controller_, Select(testing::_)).Times(1);
+  chooser_dialog_view_->Accept();
+}
+
+IN_PROC_BROWSER_TEST_F(ChooserDialogViewTest, Cancel) {
+  EXPECT_CALL(*mock_chooser_controller_, Cancel()).Times(1);
+  chooser_dialog_view_->Cancel();
+}
+
+IN_PROC_BROWSER_TEST_F(ChooserDialogViewTest, Close) {
+  EXPECT_CALL(*mock_chooser_controller_, Close()).Times(1);
+  chooser_dialog_view_->Close();
+}
+
+IN_PROC_BROWSER_TEST_F(ChooserDialogViewTest, ClickStyledLabelLink) {
+  EXPECT_CALL(*mock_chooser_controller_, OpenHelpCenterUrl()).Times(1);
+  chooser_dialog_view_->StyledLabelLinkClicked(nullptr, gfx::Range(), 0);
+}