Test cases for FolderHeaderView.

ui/app_list/views/folder_header_view_unittest.cc

Index: ui/app_list/views/folder_header_view_unittest.cc
diff --git a/ui/app_list/views/folder_header_view_unittest.cc b/ui/app_list/views/folder_header_view_unittest.cc
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index 0000000000000000000000000000000000000000..14e162fe9ff0eecf5d1806b0ec3900f1026a5086
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+++ b/ui/app_list/views/folder_header_view_unittest.cc
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+// Copyright (c) 2014 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 "ui/app_list/views/folder_header_view.h"
+
+#include <string>
+
+#include "base/basictypes.h"
+#include "base/command_line.h"
+#include "base/compiler_specific.h"
+#include "base/memory/scoped_ptr.h"
+#include "base/strings/utf_string_conversions.h"
+#include "testing/gtest/include/gtest/gtest.h"
+#include "ui/app_list/app_list_constants.h"
+#include "ui/app_list/app_list_folder_item.h"
+#include "ui/app_list/app_list_item.h"
+#include "ui/app_list/app_list_model.h"
+#include "ui/app_list/test/app_list_test_model.h"
+#include "ui/app_list/views/folder_header_view_delegate.h"
+#include "ui/views/test/views_test_base.h"
+
+namespace app_list {
+namespace test {
+
+namespace {
+
+class TestFolderHeaderViewDelegate : public FolderHeaderViewDelegate {
+ public:
+  TestFolderHeaderViewDelegate() {}
+  virtual ~TestFolderHeaderViewDelegate() {}
+
+  // FolderHeaderViewDelegate
+  virtual void NavigateBack(AppListFolderItem* item,
+                            const ui::Event& event_flags) OVERRIDE {}
+
+  virtual void GiveBackFocusToSearchBox() OVERRIDE {}
+
+  virtual void SetItemName(AppListFolderItem* item,
+                           const std::string& name) OVERRIDE {
+    folder_name_ = name;
+  }
+
+  const std::string& folder_name() const { return folder_name_; }
+
+ private:
+  std::string folder_name_;
+
+  DISALLOW_COPY_AND_ASSIGN(TestFolderHeaderViewDelegate);
+};
+
+}  // namespace
+
+class FolderHeaderViewTest : public views::ViewsTestBase {
+ public:
+  FolderHeaderViewTest() {}
+  virtual ~FolderHeaderViewTest() {}
+
+  // testing::Test overrides:
+  virtual void SetUp() OVERRIDE {
+    views::ViewsTestBase::SetUp();
+    model_.reset(new AppListTestModel);
+
+    delegate_.reset(new TestFolderHeaderViewDelegate);
+    folder_header_view_.reset(new FolderHeaderView(delegate_.get()));
+  }
+
+  virtual void TearDown() OVERRIDE {
+    folder_header_view_.reset();  // Release apps grid view before models.
+    delegate_.reset();
+    views::ViewsTestBase::TearDown();
+  }
+
+ protected:
+  void UpdateFolderName(const std::string& name) {
+    base::string16 folder_name = base::UTF8ToUTF16(name);
+    folder_header_view_->SetFolderNameForTest(folder_name);
+    folder_header_view_->ContentsChanged(NULL, folder_name);
+  }
+
+  const std::string GetFolderNameFromUI() {
+    return base::UTF16ToUTF8(folder_header_view_->GetFolderNameForTest());
+  }
+
+  bool CanEditFolderName() {
+    return folder_header_view_->IsFolderNameEnabledForTest();
+  }
+
+  scoped_ptr<AppListTestModel> model_;
+  scoped_ptr<FolderHeaderView> folder_header_view_;
+  scoped_ptr<TestFolderHeaderViewDelegate> delegate_;
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(FolderHeaderViewTest);
+};
+
+TEST_F(FolderHeaderViewTest, SetFolderName) {
+  // Creating a folder with empty folder name.
+  AppListFolderItem* folder_item = model_->CreateAndPopulateFolderWithApps(2);
+  folder_header_view_->SetFolderItem(folder_item);
+  EXPECT_EQ("", GetFolderNameFromUI());
+  EXPECT_TRUE(CanEditFolderName());
+
+  // Update UI to set folder name to "test folder".
+  UpdateFolderName("test folder");
+  EXPECT_EQ("test folder", delegate_->folder_name());
+}
+
+TEST_F(FolderHeaderViewTest, MaxFoldernNameLength) {
+  // Creating a folder with empty folder name.
+  AppListFolderItem* folder_item = model_->CreateAndPopulateFolderWithApps(2);
+  folder_header_view_->SetFolderItem(folder_item);
+  EXPECT_EQ("", GetFolderNameFromUI());
+  EXPECT_TRUE(CanEditFolderName());
+
+  // Update UI to set folder name to really long one beyond its maxium limit,
+  // The folder name should be trucated to the maximum length.
+  std::string max_len_name;
+  for (size_t i = 0; i < kMaxFolderNameChars; ++i)
+    max_len_name += "a";
+  UpdateFolderName(max_len_name);
+  EXPECT_EQ(max_len_name, delegate_->folder_name());
+  std::string too_long_name = max_len_name + "a";
+  UpdateFolderName(too_long_name);
+  EXPECT_EQ(max_len_name, delegate_->folder_name());
+}
+
+TEST_F(FolderHeaderViewTest, OemFolderNameNotEditable) {
+  AppListFolderItem* folder_item = model_->CreateAndAddOemFolder("oem folder");
+  folder_header_view_->SetFolderItem(folder_item);
+  EXPECT_EQ("", GetFolderNameFromUI());
+  EXPECT_FALSE(CanEditFolderName());
+}
+
+}  // namespace test
+}  // namespace app_list