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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: Addressed most of the feedback so far. 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_internal.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 const int kCourgetteErrorOffset = 300;
25 const int kBsdiffErrorOffset = 600;
26
27 base::FilePath test_file(const char* file);
28
29 class ComponentPatcherOperationTest : public testing::Test {
30 public:
31 ComponentPatcherOperationTest();
32
33 protected:
34 base::ScopedTempDir input_dir_;
35 base::ScopedTempDir installed_dir_;
36 base::ScopedTempDir unpack_dir_;
37 scoped_ptr<MockComponentPatcher> patcher_;
38 scoped_ptr<ReadOnlyTestInstaller> installer_;
39 };
40
41 base::FilePath test_file(const char* file) {
42 base::FilePath path;
43 PathService::Get(chrome::DIR_TEST_DATA, &path);
44 return path.AppendASCII("components").AppendASCII(file);
45 }
46
47 ComponentPatcherOperationTest::ComponentPatcherOperationTest() {
48 EXPECT_TRUE(unpack_dir_.CreateUniqueTempDir());
49 EXPECT_TRUE(input_dir_.CreateUniqueTempDir());
50 EXPECT_TRUE(installed_dir_.CreateUniqueTempDir());
51 patcher_.reset(new MockComponentPatcher());
52 installer_.reset(new ReadOnlyTestInstaller(installed_dir_.path()));
53 }
54
55 ComponentUnpacker::Error MockComponentPatcher::Patch(
56 PatchType patch_type,
57 const base::FilePath& input_file,
58 const base::FilePath& patch_file,
59 const base::FilePath& output_file,
60 int* error) {
61 *error = 0;
62 int exit_code;
63 if (patch_type == kPatchTypeCourgette) {
64 exit_code = courgette::ApplyEnsemblePatch(input_file.value().c_str(),
65 patch_file.value().c_str(),
66 output_file.value().c_str());
67 if (exit_code == courgette::C_OK)
68 return ComponentUnpacker::kNone;
69 *error = exit_code + kCourgetteErrorOffset;
70 } else if (patch_type == kPatchTypeBsdiff) {
71 exit_code = courgette::ApplyBinaryPatch(input_file,
72 patch_file,
73 output_file);
74 if (exit_code == courgette::OK)
75 return ComponentUnpacker::kNone;
76 *error = exit_code + kBsdiffErrorOffset;
77 }
78 return ComponentUnpacker::kDeltaOperationFailure;
79 }
80
81 // Verify that a 'create' delta update operation works correctly.
82 TEST_F(ComponentPatcherOperationTest, CheckCreateOperation) {
83 EXPECT_TRUE(file_util::CopyFile(
84 test_file("binary_output.bin"),
85 input_dir_.path().Append(FILE_PATH_LITERAL("binary_output.bin"))));
86
87 scoped_ptr<base::DictionaryValue> command_args(new base::DictionaryValue());
88 command_args->SetString("output", "output.bin");
89 command_args->SetString("sha256", binary_output_hash);
90 command_args->SetString("op", "create");
91 command_args->SetString("patch", "binary_output.bin");
92
93 int error = 0;
94 scoped_ptr<DeltaUpdateOp> op(new DeltaUpdateOpCreate());
95 ComponentUnpacker::Error result = op->Run(command_args.get(),
96 input_dir_.path(),
97 unpack_dir_.path(),
98 patcher_.get(),
99 NULL,
100 &error);
101
102 EXPECT_EQ(ComponentUnpacker::kNone, result);
103 EXPECT_EQ(0, error);
104 EXPECT_TRUE(file_util::ContentsEqual(
105 unpack_dir_.path().Append(FILE_PATH_LITERAL("output.bin")),
106 test_file("binary_output.bin")));
107 }
108
109 // Verify that a 'copy' delta update operation works correctly.
110 TEST_F(ComponentPatcherOperationTest, CheckCopyOperation) {
111 EXPECT_TRUE(file_util::CopyFile(
112 test_file("binary_output.bin"),
113 installed_dir_.path().Append(FILE_PATH_LITERAL("binary_output.bin"))));
114
115 scoped_ptr<base::DictionaryValue> command_args(new base::DictionaryValue());
116 command_args->SetString("output", "output.bin");
117 command_args->SetString("sha256", binary_output_hash);
118 command_args->SetString("op", "copy");
119 command_args->SetString("input", "binary_output.bin");
120
121 int error = 0;
122 scoped_ptr<DeltaUpdateOp> op(new DeltaUpdateOpCopy());
123 ComponentUnpacker::Error result = op->Run(command_args.get(),
124 input_dir_.path(),
125 unpack_dir_.path(),
126 patcher_.get(),
127 installer_.get(),
128 &error);
129 EXPECT_EQ(ComponentUnpacker::kNone, result);
130 EXPECT_EQ(0, error);
131 EXPECT_TRUE(file_util::ContentsEqual(
132 unpack_dir_.path().Append(FILE_PATH_LITERAL("output.bin")),
133 test_file("binary_output.bin")));
134 }
135
136 // Verify that a 'courgette' delta update operation works correctly.
137 TEST_F(ComponentPatcherOperationTest, CheckCourgetteOperation) {
138 EXPECT_TRUE(file_util::CopyFile(
139 test_file("binary_input.bin"),
140 installed_dir_.path().Append(FILE_PATH_LITERAL("binary_input.bin"))));
141 EXPECT_TRUE(file_util::CopyFile(
142 test_file("binary_courgette_patch.bin"),
143 input_dir_.path().Append(
144 FILE_PATH_LITERAL("binary_courgette_patch.bin"))));
145
146 scoped_ptr<base::DictionaryValue> command_args(new base::DictionaryValue());
147 command_args->SetString("output", "output.bin");
148 command_args->SetString("sha256", binary_output_hash);
149 command_args->SetString("op", "courgette");
150 command_args->SetString("input", "binary_input.bin");
151 command_args->SetString("patch", "binary_courgette_patch.bin");
152
153 int error = 0;
154 scoped_ptr<DeltaUpdateOp> op(new DeltaUpdateOpPatchCourgette());
155 ComponentUnpacker::Error result = op->Run(command_args.get(),
156 input_dir_.path(),
157 unpack_dir_.path(),
158 patcher_.get(),
159 installer_.get(),
160 &error);
161 EXPECT_EQ(ComponentUnpacker::kNone, result);
162 EXPECT_EQ(0, error);
163 EXPECT_TRUE(file_util::ContentsEqual(
164 unpack_dir_.path().Append(FILE_PATH_LITERAL("output.bin")),
165 test_file("binary_output.bin")));
166 }
167
168 // Verify that a 'bsdiff' delta update operation works correctly.
169 TEST_F(ComponentPatcherOperationTest, CheckBsdiffOperation) {
170 EXPECT_TRUE(file_util::CopyFile(
171 test_file("binary_input.bin"),
172 installed_dir_.path().Append(FILE_PATH_LITERAL("binary_input.bin"))));
173 EXPECT_TRUE(file_util::CopyFile(
174 test_file("binary_bsdiff_patch.bin"),
175 input_dir_.path().Append(FILE_PATH_LITERAL("binary_bsdiff_patch.bin"))));
176
177 scoped_ptr<base::DictionaryValue> command_args(new base::DictionaryValue());
178 command_args->SetString("output", "output.bin");
179 command_args->SetString("sha256", binary_output_hash);
180 command_args->SetString("op", "courgette");
181 command_args->SetString("input", "binary_input.bin");
182 command_args->SetString("patch", "binary_bsdiff_patch.bin");
183
184 int error = 0;
185 scoped_ptr<DeltaUpdateOp> op(new DeltaUpdateOpPatchBsdiff());
186 ComponentUnpacker::Error result = op->Run(command_args.get(),
187 input_dir_.path(),
188 unpack_dir_.path(),
189 patcher_.get(),
190 installer_.get(),
191 &error);
192 EXPECT_EQ(ComponentUnpacker::kNone, result);
193 EXPECT_EQ(0, error);
194 EXPECT_TRUE(file_util::ContentsEqual(
195 unpack_dir_.path().Append(FILE_PATH_LITERAL("output.bin")),
196 test_file("binary_output.bin")));
197 }
198
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