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      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/bind.h"
      6 #include "base/file_util.h"
      7 #include "base/files/file_path.h"
      8 #include "base/files/scoped_temp_dir.h"
      9 #include "base/run_loop.h"
     10 #include "content/public/browser/web_contents.h"
     11 #include "content/public/test/content_browser_test.h"
     12 #include "content/public/test/content_browser_test_utils.h"
     13 #include "content/public/test/test_utils.h"
     14 #include "content/shell/browser/shell.h"
     15 #include "net/test/embedded_test_server/embedded_test_server.h"
     16 #include "testing/gtest/include/gtest/gtest.h"
     17 
     18 namespace content {
     19 
     20 class MHTMLGenerationTest : public ContentBrowserTest {
     21  public:
     22   MHTMLGenerationTest() : mhtml_generated_(false), file_size_(0) {}
     23 
     24   void MHTMLGenerated(int64 size) {
     25     mhtml_generated_ = true;
     26     file_size_ = size;
     27     base::MessageLoopForUI::current()->Quit();
     28   }
     29 
     30  protected:
     31   virtual void SetUp() {
     32     ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
     33     ContentBrowserTest::SetUp();
     34   }
     35 
     36   bool mhtml_generated() const { return mhtml_generated_; }
     37   int64 file_size() const { return file_size_; }
     38 
     39   base::ScopedTempDir temp_dir_;
     40 
     41  private:
     42   bool mhtml_generated_;
     43   int64 file_size_;
     44 };
     45 
     46 // Tests that generating a MHTML does create contents.
     47 // Note that the actual content of the file is not tested, the purpose of this
     48 // test is to ensure we were successfull in creating the MHTML data from the
     49 // renderer.
     50 IN_PROC_BROWSER_TEST_F(MHTMLGenerationTest, GenerateMHTML) {
     51   ASSERT_TRUE(embedded_test_server()->InitializeAndWaitUntilReady());
     52 
     53   base::FilePath path(temp_dir_.path());
     54   path = path.Append(FILE_PATH_LITERAL("test.mht"));
     55 
     56   NavigateToURL(shell(), embedded_test_server()->GetURL("/simple_page.html"));
     57 
     58   shell()->web_contents()->GenerateMHTML(
     59       path, base::Bind(&MHTMLGenerationTest::MHTMLGenerated, this));
     60 
     61   // Block until the MHTML is generated.
     62   RunMessageLoop();
     63 
     64   EXPECT_TRUE(mhtml_generated());
     65   EXPECT_GT(file_size(), 0);
     66 
     67   // Make sure the actual generated file has some contents.
     68   int64 file_size;
     69   ASSERT_TRUE(base::GetFileSize(path, &file_size));
     70   EXPECT_GT(file_size, 100);
     71 }
     72 
     73 }  // namespace content
     74