Revert 102428 - Add a backwards compatibility unittest.

courgette/versioning_unittest.cc

-// Copyright (c) 2011 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 <string>
-
-#include "base/path_service.h"
-#include "base/file_util.h"
-#include "base/string_util.h"
-
-#include "courgette/courgette.h"
-#include "courgette/streams.h"
-
-#include "testing/gtest/include/gtest/gtest.h"
-
-class VersioningTest : public testing::Test {
- public:
-  void TestApplyingOldPatch(const char* src_file,
-                         const char* patch_file,
-                         const char* expected_file) const;
-
- private:
-  void SetUp() {
-    PathService::Get(base::DIR_SOURCE_ROOT, &testdata_dir_);
-    testdata_dir_ = testdata_dir_.AppendASCII("courgette");
-    testdata_dir_ = testdata_dir_.AppendASCII("testdata");
-  }
-
-  void TearDown() { }
-
-  // Returns contents of |file_name| as uninterprested bytes stored in a string.
-  std::string FileContents(const char* file_name) const;
-
-  FilePath testdata_dir_;  // Full path name of testdata directory
-};
-
-//  Reads a test file into a string.
-std::string VersioningTest::FileContents(const char* file_name) const {
-  FilePath file_path = testdata_dir_;
-  file_path = file_path.AppendASCII(file_name);
-  std::string file_contents;
-  EXPECT_TRUE(file_util::ReadFileToString(file_path, &file_contents));
-  return file_contents;
-}
-
-void VersioningTest::TestApplyingOldPatch(const char* src_file,
-                                          const char* patch_file,
-                                          const char* expected_file) const {
-
-  std::string old_buffer = FileContents(src_file);
-  std::string new_buffer = FileContents(patch_file);
-  std::string expected_buffer = FileContents(expected_file);
-
-  courgette::SourceStream old_stream;
-  courgette::SourceStream patch_stream;
-  old_stream.Init(old_buffer);
-  patch_stream.Init(new_buffer);
-
-  courgette::SinkStream generated_stream;
-
-  courgette::Status status =
-      courgette::ApplyEnsemblePatch(&old_stream,
-                                    &patch_stream,
-                                    &generated_stream);
-
-  EXPECT_EQ(status, courgette::C_OK);
-
-  size_t expected_length = expected_buffer.size();
-  size_t generated_length = generated_stream.Length();
-
-  EXPECT_EQ(generated_length, expected_length);
-  EXPECT_EQ(0, memcmp(generated_stream.Buffer(),
-                      expected_buffer.c_str(),
-                      expected_length));
-}
-
-
-TEST_F(VersioningTest, All) {
-  TestApplyingOldPatch("setup1.exe", "setup1-setup2.v1.patch", "setup2.exe");
-
-  // We also need a way to test that newly generated patches are appropriately
-  // applicable by older clients... not sure of the best way to do that.
-}