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Side by Side Diff: chrome/browser/component_updater/test/component_patcher_unittest.cc

Issue 15908002: Differential updates for components. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: Created 7 years, 6 months ago
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1 // Copyright (c) 2013 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/compiler_specific.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/path_service.h"
10 #include "base/values.h"
11 #include "chrome/browser/component_updater/component_patcher.h"
12 #include "chrome/browser/component_updater/component_patcher_operation.h"
13 #include "chrome/browser/component_updater/component_updater_service.h"
14 #include "chrome/browser/component_updater/test/component_patcher_mock.h"
15 #include "chrome/browser/component_updater/test/test_installer.h"
16 #include "chrome/common/chrome_paths.h"
17 #include "courgette/courgette.h"
18 #include "courgette/third_party/bsdiff.h"
19 #include "testing/gtest/include/gtest/gtest.h"
20
21 const char binary_output_hash[] =
22 "599aba6d15a7da390621ef1bacb66601ed6aed04dadc1f9b445dcfe31296142a";
23
24 // These constants are duplicated from chrome/installer/util/util_constants.h,
25 // to avoid introducing a dependency from the unit tests to the installer.
26 const int kCourgetteErrorOffset = 300;
27 const int kBsdiffErrorOffset = 600;
28
29 base::FilePath test_file(const char* file);
30
31 class ComponentPatcherOperationTest : public testing::Test {
32 public:
33 ComponentPatcherOperationTest();
34
35 protected:
36 base::ScopedTempDir input_dir_;
37 base::ScopedTempDir installed_dir_;
38 base::ScopedTempDir unpack_dir_;
39 scoped_ptr<MockComponentPatcher> patcher_;
40 scoped_ptr<ReadOnlyTestInstaller> installer_;
41 };
42
43 base::FilePath test_file(const char* file) {
44 base::FilePath path;
45 PathService::Get(chrome::DIR_TEST_DATA, &path);
46 return path.AppendASCII("components").AppendASCII(file);
47 }
48
49 ComponentPatcherOperationTest::ComponentPatcherOperationTest() {
50 EXPECT_TRUE(unpack_dir_.CreateUniqueTempDir());
51 EXPECT_TRUE(input_dir_.CreateUniqueTempDir());
52 EXPECT_TRUE(installed_dir_.CreateUniqueTempDir());
53 patcher_.reset(new MockComponentPatcher());
54 installer_.reset(new ReadOnlyTestInstaller(installed_dir_.path()));
55 }
56
57 ComponentUnpacker::Error MockComponentPatcher::Patch(
58 PatchType patch_type,
59 const base::FilePath& input_file,
60 const base::FilePath& patch_file,
61 const base::FilePath& output_file,
62 int* error) {
63 *error = 0;
64 int exit_code;
65 if (patch_type == kPatchTypeCourgette) {
66 exit_code = courgette::ApplyEnsemblePatch(input_file.value().c_str(),
67 patch_file.value().c_str(),
68 output_file.value().c_str());
69 if (exit_code == courgette::C_OK)
70 return ComponentUnpacker::kNone;
71 *error = exit_code + kCourgetteErrorOffset;
72 } else if (patch_type == kPatchTypeBsdiff) {
73 exit_code = courgette::ApplyBinaryPatch(input_file,
74 patch_file,
75 output_file);
76 if (exit_code == courgette::OK)
77 return ComponentUnpacker::kNone;
78 *error = exit_code + kBsdiffErrorOffset;
79 }
80 return ComponentUnpacker::kDeltaOperationFailure;
81 }
82
83 // Verify that a 'create' delta update operation works correctly.
84 TEST_F(ComponentPatcherOperationTest, CheckCreateOperation) {
85 EXPECT_TRUE(file_util::CopyFile(
86 test_file("binary_output.bin"),
87 input_dir_.path().Append(FILE_PATH_LITERAL("binary_output.bin"))));
88
89 scoped_ptr<base::DictionaryValue> command_args(new base::DictionaryValue());
90 command_args->SetString("output", "output.bin");
91 command_args->SetString("sha256", binary_output_hash);
92 command_args->SetString("op", "create");
93 command_args->SetString("patch", "binary_output.bin");
94
95 int error = 0;
96 scoped_ptr<DeltaUpdateOp> op(new DeltaUpdateOpCreate());
97 ComponentUnpacker::Error result = op->Run(command_args.get(),
98 input_dir_.path(),
99 unpack_dir_.path(),
100 patcher_.get(),
101 NULL,
102 &error);
103
104 EXPECT_EQ(ComponentUnpacker::kNone, result);
105 EXPECT_EQ(0, error);
106 EXPECT_TRUE(file_util::ContentsEqual(
107 unpack_dir_.path().Append(FILE_PATH_LITERAL("output.bin")),
108 test_file("binary_output.bin")));
109 }
110
111 // Verify that a 'copy' delta update operation works correctly.
112 TEST_F(ComponentPatcherOperationTest, CheckCopyOperation) {
113 EXPECT_TRUE(file_util::CopyFile(
114 test_file("binary_output.bin"),
115 installed_dir_.path().Append(FILE_PATH_LITERAL("binary_output.bin"))));
116
117 scoped_ptr<base::DictionaryValue> command_args(new base::DictionaryValue());
118 command_args->SetString("output", "output.bin");
119 command_args->SetString("sha256", binary_output_hash);
120 command_args->SetString("op", "copy");
121 command_args->SetString("input", "binary_output.bin");
122
123 int error = 0;
124 scoped_ptr<DeltaUpdateOp> op(new DeltaUpdateOpCopy());
125 ComponentUnpacker::Error result = op->Run(command_args.get(),
126 input_dir_.path(),
127 unpack_dir_.path(),
128 patcher_.get(),
129 installer_.get(),
130 &error);
131 EXPECT_EQ(ComponentUnpacker::kNone, result);
132 EXPECT_EQ(0, error);
133 EXPECT_TRUE(file_util::ContentsEqual(
134 unpack_dir_.path().Append(FILE_PATH_LITERAL("output.bin")),
135 test_file("binary_output.bin")));
136 }
137
138 // Verify that a 'courgette' delta update operation works correctly.
139 TEST_F(ComponentPatcherOperationTest, CheckCourgetteOperation) {
140 EXPECT_TRUE(file_util::CopyFile(
141 test_file("binary_input.bin"),
142 installed_dir_.path().Append(FILE_PATH_LITERAL("binary_input.bin"))));
143 EXPECT_TRUE(file_util::CopyFile(
144 test_file("binary_courgette_patch.bin"),
145 input_dir_.path().Append(
146 FILE_PATH_LITERAL("binary_courgette_patch.bin"))));
147
148 scoped_ptr<base::DictionaryValue> command_args(new base::DictionaryValue());
149 command_args->SetString("output", "output.bin");
150 command_args->SetString("sha256", binary_output_hash);
151 command_args->SetString("op", "courgette");
152 command_args->SetString("input", "binary_input.bin");
153 command_args->SetString("patch", "binary_courgette_patch.bin");
154
155 int error = 0;
156 scoped_ptr<DeltaUpdateOp> op(new DeltaUpdateOpPatchCourgette());
157 ComponentUnpacker::Error result = op->Run(command_args.get(),
158 input_dir_.path(),
159 unpack_dir_.path(),
160 patcher_.get(),
161 installer_.get(),
162 &error);
163 EXPECT_EQ(ComponentUnpacker::kNone, result);
164 EXPECT_EQ(0, error);
165 EXPECT_TRUE(file_util::ContentsEqual(
166 unpack_dir_.path().Append(FILE_PATH_LITERAL("output.bin")),
167 test_file("binary_output.bin")));
168 }
169
170 // Verify that a 'bsdiff' delta update operation works correctly.
171 TEST_F(ComponentPatcherOperationTest, CheckBsdiffOperation) {
172 EXPECT_TRUE(file_util::CopyFile(
173 test_file("binary_input.bin"),
174 installed_dir_.path().Append(FILE_PATH_LITERAL("binary_input.bin"))));
175 EXPECT_TRUE(file_util::CopyFile(
176 test_file("binary_bsdiff_patch.bin"),
177 input_dir_.path().Append(FILE_PATH_LITERAL("binary_bsdiff_patch.bin"))));
178
179 scoped_ptr<base::DictionaryValue> command_args(new base::DictionaryValue());
180 command_args->SetString("output", "output.bin");
181 command_args->SetString("sha256", binary_output_hash);
182 command_args->SetString("op", "courgette");
183 command_args->SetString("input", "binary_input.bin");
184 command_args->SetString("patch", "binary_bsdiff_patch.bin");
185
186 int error = 0;
187 scoped_ptr<DeltaUpdateOp> op(new DeltaUpdateOpPatchBsdiff());
188 ComponentUnpacker::Error result = op->Run(command_args.get(),
189 input_dir_.path(),
190 unpack_dir_.path(),
191 patcher_.get(),
192 installer_.get(),
193 &error);
194 EXPECT_EQ(ComponentUnpacker::kNone, result);
195 EXPECT_EQ(0, error);
196 EXPECT_TRUE(file_util::ContentsEqual(
197 unpack_dir_.path().Append(FILE_PATH_LITERAL("output.bin")),
198 test_file("binary_output.bin")));
199 }
200
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