Drag and dropping text, parsable as url

chrome/browser/ui/views/frame/browser_root_view_unittest.cc

+// Copyright (c) 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/frame/browser_root_view.h"
+
+#include "base/strings/utf_string_conversions.h"
+#include "chrome/browser/ui/tabs/tab_strip_model.h"
+#include "chrome/browser/ui/views/frame/browser_view.h"
+#include "chrome/browser/ui/views/frame/test_with_browser_view.h"
+#include "chrome/browser/ui/views/tabs/tab_strip.h"
+#include "content/public/browser/web_contents.h"
+#include "ui/base/dragdrop/os_exchange_data.h"
+#include "url/gurl.h"
+#include "url/url_constants.h"
+
+constexpr char kSearchEngineHost[] = "www.google.com";
+
+// This text is a valid url but it's very unlikely that user meant it to be used
+// as one. We ought to process it as query unless the only way to interpret it
+// is as url.
+constexpr char kVeryUnlikelyUrl[] = "query: abcd";
+
+class BrowserRootViewTest : public TestWithBrowserView {
+ public:
+  void SetUp() override;
+  BrowserRootView& browser_root_view() {
+    auto* res =
+        static_cast<BrowserRootView*>(browser_view()->frame()->GetRootView());
+    CHECK(res);
+    return *res;
+  }
+
+  content::WebContents& active_webcontents() {
+    auto* res = browser()->tab_strip_model()->GetActiveWebContents();
+    CHECK(res);
+    return *res;
+  }
+
+  int DropAtTheEndOfTabStrip(const ui::OSExchangeData& drop_data,
+                             int drag_type);
+};
+
+void BrowserRootViewTest::SetUp() {
+  TestWithBrowserView::SetUp();
+  profile()->SetGuestSession(true);  // avoiding dealing with avatar images
+  AddTab(browser(), GURL(url::kAboutBlankURL));
+}
+
+int BrowserRootViewTest::DropAtTheEndOfTabStrip(
+    const ui::OSExchangeData& drop_data,
+    int drag_type) {
+  gfx::Rect new_tab_batton_bounds =
+      browser_view()->tabstrip()->GetNewTabButtonBounds();
+  ui::DropTargetEvent drop_event(drop_data, new_tab_batton_bounds.origin(),
+                                 new_tab_batton_bounds.origin(), drag_type);
+  browser_root_view().OnDragEntered(drop_event);
+  return browser_root_view().OnPerformDrop(drop_event);
+}
+
+TEST_F(BrowserRootViewTest, DragAndDropText) {
+  ui::OSExchangeData drop_data;
+  drop_data.SetString(base::ASCIIToUTF16("query"));
+  EXPECT_TRUE(browser_root_view().CanDrop(drop_data));
+  EXPECT_EQ(DropAtTheEndOfTabStrip(drop_data, ui::DragDropTypes::DRAG_MOVE),
+            ui::DragDropTypes::DRAG_MOVE);
+  CommitPendingLoad(&active_webcontents().GetController());
+  EXPECT_EQ(active_webcontents().GetLastCommittedURL().host(),
+            kSearchEngineHost);
+}
+
+TEST_F(BrowserRootViewTest, DragAndDropTextParsableAsURL) {
+  ui::OSExchangeData drop_data;
+  drop_data.SetString(base::ASCIIToUTF16(kVeryUnlikelyUrl));
+  EXPECT_TRUE(browser_root_view().CanDrop(drop_data));
+  EXPECT_EQ(DropAtTheEndOfTabStrip(drop_data, ui::DragDropTypes::DRAG_MOVE),
+            ui::DragDropTypes::DRAG_MOVE);
+  CommitPendingLoad(&active_webcontents().GetController());
+  EXPECT_EQ(active_webcontents().GetLastCommittedURL().host(),
+            kSearchEngineHost);
+}
+
+TEST_F(BrowserRootViewTest, DragAndDropURL) {
+  ui::OSExchangeData drop_data;
+  GURL url(kVeryUnlikelyUrl);
+  drop_data.SetURL(url, {});
+  EXPECT_TRUE(browser_root_view().CanDrop(drop_data));
+  EXPECT_EQ(DropAtTheEndOfTabStrip(drop_data, ui::DragDropTypes::DRAG_MOVE),
+            ui::DragDropTypes::DRAG_MOVE);
+  CommitPendingLoad(&active_webcontents().GetController());
+  EXPECT_EQ(active_webcontents().GetLastCommittedURL(), url);
+}