Differential updates for components.

chrome/browser/component_updater/test/component_patcher_unittest_win.cc

Index: chrome/browser/component_updater/test/component_patcher_unittest_win.cc
diff --git a/chrome/browser/component_updater/test/component_patcher_unittest_win.cc b/chrome/browser/component_updater/test/component_patcher_unittest_win.cc
new file mode 100644
index 0000000000000000000000000000000000000000..558eebb3bf8b263dab714d6c30c37bd810ace8b0
--- /dev/null
+++ b/chrome/browser/component_updater/test/component_patcher_unittest_win.cc
@@ -0,0 +1,83 @@
+// Copyright (c) 2013 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 "base/compiler_specific.h"
+#include "base/file_util.h"
+#include "base/files/file_path.h"
+#include "base/files/scoped_temp_dir.h"
+#include "base/path_service.h"
+#include "base/values.h"
+#include "chrome/browser/component_updater/component_patcher.h"
+#include "chrome/browser/component_updater/component_patcher_operation.h"
+#include "chrome/browser/component_updater/component_updater_service.h"
+#include "chrome/browser/component_updater/test/component_patcher_mock.h"
+#include "chrome/browser/component_updater/test/component_patcher_unittest.h"
+#include "chrome/browser/component_updater/test/test_installer.h"
+#include "chrome/common/chrome_paths.h"
+#include "courgette/courgette.h"
+#include "courgette/third_party/bsdiff.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+// Verify that a 'courgette' delta update operation works correctly.
+TEST_F(ComponentPatcherOperationTest, CheckCourgetteOperation) {
+  EXPECT_TRUE(file_util::CopyFile(
+      test_file("binary_input.bin"),
+      installed_dir_.path().Append(FILE_PATH_LITERAL("binary_input.bin"))));
+  EXPECT_TRUE(file_util::CopyFile(
+      test_file("binary_courgette_patch.bin"),
+      input_dir_.path().Append(
+          FILE_PATH_LITERAL("binary_courgette_patch.bin"))));
+
+  scoped_ptr<base::DictionaryValue> command_args(new base::DictionaryValue());
+  command_args->SetString("output", "output.bin");
+  command_args->SetString("sha256", binary_output_hash);
+  command_args->SetString("op", "courgette");
+  command_args->SetString("input", "binary_input.bin");
+  command_args->SetString("patch", "binary_courgette_patch.bin");
+
+  int error = 0;
+  scoped_ptr<DeltaUpdateOp> op(new DeltaUpdateOpPatchCourgette());
+  ComponentUnpacker::Error result = op->Run(command_args.get(),
+                                     input_dir_.path(),
+                                     unpack_dir_.path(),
+                                     patcher_.get(),
+                                     installer_.get(),
+                                     &error);
+  EXPECT_EQ(ComponentUnpacker::kNone, result);
+  EXPECT_EQ(0, error);
+  EXPECT_TRUE(file_util::ContentsEqual(
+      unpack_dir_.path().Append(FILE_PATH_LITERAL("output.bin")),
+      test_file("binary_output.bin")));
+}
+
+// Verify that a 'bsdiff' delta update operation works correctly.
+TEST_F(ComponentPatcherOperationTest, CheckBsdiffOperation) {
+  EXPECT_TRUE(file_util::CopyFile(
+      test_file("binary_input.bin"),
+      installed_dir_.path().Append(FILE_PATH_LITERAL("binary_input.bin"))));
+  EXPECT_TRUE(file_util::CopyFile(
+      test_file("binary_bsdiff_patch.bin"),
+      input_dir_.path().Append(FILE_PATH_LITERAL("binary_bsdiff_patch.bin"))));
+
+  scoped_ptr<base::DictionaryValue> command_args(new base::DictionaryValue());
+  command_args->SetString("output", "output.bin");
+  command_args->SetString("sha256", binary_output_hash);
+  command_args->SetString("op", "courgette");
+  command_args->SetString("input", "binary_input.bin");
+  command_args->SetString("patch", "binary_bsdiff_patch.bin");
+
+  int error = 0;
+  scoped_ptr<DeltaUpdateOp> op(new DeltaUpdateOpPatchBsdiff());
+  ComponentUnpacker::Error result = op->Run(command_args.get(),
+                                     input_dir_.path(),
+                                     unpack_dir_.path(),
+                                     patcher_.get(),
+                                     installer_.get(),
+                                     &error);
+  EXPECT_EQ(ComponentUnpacker::kNone, result);
+  EXPECT_EQ(0, error);
+  EXPECT_TRUE(file_util::ContentsEqual(
+      unpack_dir_.path().Append(FILE_PATH_LITERAL("output.bin")),
+      test_file("binary_output.bin")));
+}