chrome/browser/ui/find_bar/find_backend_unittest.cc

   1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #include "base/strings/string16.h"
   6 #include "base/strings/string_util.h"
   7 #include "base/strings/utf_string_conversions.h"
   8 #include "chrome/browser/ui/find_bar/find_bar_state.h"
   9 #include "chrome/browser/ui/find_bar/find_bar_state_factory.h"
  10 #include "chrome/browser/ui/find_bar/find_tab_helper.h"
  11 #include "chrome/common/url_constants.h"
  12 #include "chrome/test/base/chrome_render_view_host_test_harness.h"
  13 #include "chrome/test/base/testing_profile.h"
  14 #include "content/public/browser/web_contents.h"
  15 #include "content/public/test/web_contents_tester.h"
  16
  17 using content::WebContents;
  18 using content::WebContentsTester;
  19
  20 class FindBackendTest : public ChromeRenderViewHostTestHarness {
  21  protected:
  22   void SetUp() override {
  23     ChromeRenderViewHostTestHarness::SetUp();
  24     FindTabHelper::CreateForWebContents(web_contents());
  25   }
  26 };
  27
  28 namespace {
  29
  30 base::string16 FindPrepopulateText(WebContents* contents) {
  31   Profile* profile = Profile::FromBrowserContext(contents->GetBrowserContext());
  32   return FindBarStateFactory::GetLastPrepopulateText(profile);
  33 }
  34
  35 }  // end namespace
  36
  37 // This test takes two WebContents objects, searches in both of them and
  38 // tests the internal state for find_text and find_prepopulate_text.
  39 TEST_F(FindBackendTest, InternalState) {
  40   FindTabHelper* find_tab_helper =
  41       FindTabHelper::FromWebContents(web_contents());
  42   // Initial state for the WebContents is blank strings.
  43   EXPECT_EQ(base::string16(), FindPrepopulateText(web_contents()));
  44   EXPECT_EQ(base::string16(), find_tab_helper->find_text());
  45
  46   // Get another WebContents object ready.
  47   scoped_ptr<WebContents> contents2(
  48       WebContentsTester::CreateTestWebContents(profile(), NULL));
  49   FindTabHelper::CreateForWebContents(contents2.get());
  50   FindTabHelper* find_tab_helper2 =
  51       FindTabHelper::FromWebContents(contents2.get());
  52
  53   // No search has still been issued, strings should be blank.
  54   EXPECT_EQ(base::string16(), FindPrepopulateText(web_contents()));
  55   EXPECT_EQ(base::string16(), find_tab_helper->find_text());
  56   EXPECT_EQ(base::string16(), FindPrepopulateText(contents2.get()));
  57   EXPECT_EQ(base::string16(), find_tab_helper2->find_text());
  58
  59   base::string16 search_term1 = base::ASCIIToUTF16(" I had a 401K    ");
  60   base::string16 search_term2 = base::ASCIIToUTF16(" but the economy ");
  61   base::string16 search_term3 = base::ASCIIToUTF16(" eated it.       ");
  62
  63   // Start searching in the first WebContents, searching forwards but not case
  64   // sensitive (as indicated by the last two params).
  65   find_tab_helper->StartFinding(search_term1, true, false);
  66
  67   // Pre-populate string should always match between the two, but find_text
  68   // should not.
  69   EXPECT_EQ(search_term1, FindPrepopulateText(web_contents()));
  70   EXPECT_EQ(search_term1, find_tab_helper->find_text());
  71   EXPECT_EQ(search_term1, FindPrepopulateText(contents2.get()));
  72   EXPECT_EQ(base::string16(), find_tab_helper2->find_text());
  73
  74   // Now search in the other WebContents, searching forwards but not case
  75   // sensitive (as indicated by the last two params).
  76   find_tab_helper2->StartFinding(search_term2, true, false);
  77
  78   // Again, pre-populate string should always match between the two, but
  79   // find_text should not.
  80   EXPECT_EQ(search_term2, FindPrepopulateText(web_contents()));
  81   EXPECT_EQ(search_term1, find_tab_helper->find_text());
  82   EXPECT_EQ(search_term2, FindPrepopulateText(contents2.get()));
  83   EXPECT_EQ(search_term2, find_tab_helper2->find_text());
  84
  85   // Search again in the first WebContents, searching forwards but not case
  86   // find_tab_helper (as indicated by the last two params).
  87   find_tab_helper->StartFinding(search_term3, true, false);
  88
  89   // Once more, pre-populate string should always match between the two, but
  90   // find_text should not.
  91   EXPECT_EQ(search_term3, FindPrepopulateText(web_contents()));
  92   EXPECT_EQ(search_term3, find_tab_helper->find_text());
  93   EXPECT_EQ(search_term3, FindPrepopulateText(contents2.get()));
  94   EXPECT_EQ(search_term2, find_tab_helper2->find_text());
  95 }