[components] Make zip a component so that src/chromeos can use it.

chrome/common/zip_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 <set>
-#include <vector>
-
-#include "base/file_util.h"
-#include "base/files/scoped_temp_dir.h"
-#include "base/path_service.h"
-#include "base/string_util.h"
-#include "chrome/common/chrome_paths.h"
-#include "chrome/common/zip.h"
-#include "chrome/common/zip_reader.h"
-#include "testing/gtest/include/gtest/gtest.h"
-#include "testing/platform_test.h"
-
-namespace {
-
-// Make the test a PlatformTest to setup autorelease pools properly on Mac.
-class ZipTest : public PlatformTest {
- protected:
-  virtual void SetUp() {
-    PlatformTest::SetUp();
-
-    ASSERT_TRUE(temp_dir_.CreateUniqueTempDir());
-    test_dir_ = temp_dir_.path();
-
-    base::FilePath zip_path(test_dir_);
-    zip_contents_.insert(zip_path.AppendASCII("foo.txt"));
-    zip_path = zip_path.AppendASCII("foo");
-    zip_contents_.insert(zip_path);
-    zip_contents_.insert(zip_path.AppendASCII("bar.txt"));
-    zip_path = zip_path.AppendASCII("bar");
-    zip_contents_.insert(zip_path);
-    zip_contents_.insert(zip_path.AppendASCII("baz.txt"));
-    zip_contents_.insert(zip_path.AppendASCII("quux.txt"));
-    zip_contents_.insert(zip_path.AppendASCII(".hidden"));
-
-    // Include a subset of files in |zip_file_list_| to test ZipFiles().
-    zip_file_list_.push_back(base::FilePath(FILE_PATH_LITERAL("foo.txt")));
-    zip_file_list_.push_back(
-        base::FilePath(FILE_PATH_LITERAL("foo/bar/quux.txt")));
-    zip_file_list_.push_back(
-        base::FilePath(FILE_PATH_LITERAL("foo/bar/.hidden")));
-  }
-
-  virtual void TearDown() {
-    PlatformTest::TearDown();
-  }
-
-  void TestUnzipFile(const base::FilePath::StringType& filename,
-                     bool expect_hidden_files) {
-    base::FilePath test_dir;
-    ASSERT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &test_dir));
-    test_dir = test_dir.AppendASCII("zip");
-    TestUnzipFile(test_dir.Append(filename), expect_hidden_files);
-  }
-
-  void TestUnzipFile(const base::FilePath& path, bool expect_hidden_files) {
-    ASSERT_TRUE(file_util::PathExists(path)) << "no file " << path.value();
-    ASSERT_TRUE(zip::Unzip(path, test_dir_));
-
-    file_util::FileEnumerator files(test_dir_, true,
-        file_util::FileEnumerator::FILES |
-        file_util::FileEnumerator::DIRECTORIES);
-    base::FilePath next_path = files.Next();
-    size_t count = 0;
-    while (!next_path.value().empty()) {
-      if (next_path.value().find(FILE_PATH_LITERAL(".svn")) ==
-          base::FilePath::StringType::npos) {
-        EXPECT_EQ(zip_contents_.count(next_path), 1U) <<
-            "Couldn't find " << next_path.value();
-        count++;
-      }
-      next_path = files.Next();
-    }
-
-    size_t expected_count = 0;
-    for (std::set<base::FilePath>::iterator iter = zip_contents_.begin();
-         iter != zip_contents_.end(); ++iter) {
-      if (expect_hidden_files || iter->BaseName().value()[0] != '.')
-        ++expected_count;
-    }
-
-    EXPECT_EQ(expected_count, count);
-  }
-
-  // The path to temporary directory used to contain the test operations.
-  base::FilePath test_dir_;
-
-  base::ScopedTempDir temp_dir_;
-
-  // Hard-coded contents of a known zip file.
-  std::set<base::FilePath> zip_contents_;
-
-  // Hard-coded list of relative paths for a zip file created with ZipFiles.
-  std::vector<base::FilePath> zip_file_list_;
-};
-
-TEST_F(ZipTest, Unzip) {
-  TestUnzipFile(FILE_PATH_LITERAL("test.zip"), true);
-}
-
-TEST_F(ZipTest, UnzipUncompressed) {
-  TestUnzipFile(FILE_PATH_LITERAL("test_nocompress.zip"), true);
-}
-
-TEST_F(ZipTest, UnzipEvil) {
-  base::FilePath path;
-  ASSERT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &path));
-  path = path.AppendASCII("zip").AppendASCII("evil.zip");
-  // Unzip the zip file into a sub directory of test_dir_ so evil.zip
-  // won't create a persistent file outside test_dir_ in case of a
-  // failure.
-  base::FilePath output_dir = test_dir_.AppendASCII("out");
-  ASSERT_FALSE(zip::Unzip(path, output_dir));
-  base::FilePath evil_file = output_dir;
-  evil_file = evil_file.AppendASCII(
-      "../levilevilevilevilevilevilevilevilevilevilevilevil");
-  ASSERT_FALSE(file_util::PathExists(evil_file));
-}
-
-TEST_F(ZipTest, UnzipEvil2) {
-  base::FilePath path;
-  ASSERT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &path));
-  // The zip file contains an evil file with invalid UTF-8 in its file
-  // name.
-  path = path.AppendASCII("zip").AppendASCII("evil_via_invalid_utf8.zip");
-  // See the comment at UnzipEvil() for why we do this.
-  base::FilePath output_dir = test_dir_.AppendASCII("out");
-  // This should fail as it contains an evil file.
-  ASSERT_FALSE(zip::Unzip(path, output_dir));
-  base::FilePath evil_file = output_dir;
-  evil_file = evil_file.AppendASCII("../evil.txt");
-  ASSERT_FALSE(file_util::PathExists(evil_file));
-}
-
-TEST_F(ZipTest, Zip) {
-  base::FilePath src_dir;
-  ASSERT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &src_dir));
-  src_dir = src_dir.AppendASCII("zip").AppendASCII("test");
-
-  base::ScopedTempDir temp_dir;
-  ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
-  base::FilePath zip_file = temp_dir.path().AppendASCII("out.zip");
-
-  EXPECT_TRUE(zip::Zip(src_dir, zip_file, true));
-  TestUnzipFile(zip_file, true);
-}
-
-TEST_F(ZipTest, ZipIgnoreHidden) {
-  base::FilePath src_dir;
-  ASSERT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &src_dir));
-  src_dir = src_dir.AppendASCII("zip").AppendASCII("test");
-
-  base::ScopedTempDir temp_dir;
-  ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
-  base::FilePath zip_file = temp_dir.path().AppendASCII("out.zip");
-
-  EXPECT_TRUE(zip::Zip(src_dir, zip_file, false));
-  TestUnzipFile(zip_file, false);
-}
-
-#if defined(OS_POSIX)
-TEST_F(ZipTest, ZipFiles) {
-  base::FilePath src_dir;
-  ASSERT_TRUE(PathService::Get(chrome::DIR_TEST_DATA, &src_dir));
-  src_dir = src_dir.AppendASCII("zip").AppendASCII("test");
-
-  base::ScopedTempDir temp_dir;
-  ASSERT_TRUE(temp_dir.CreateUniqueTempDir());
-  base::FilePath zip_file = temp_dir.path().AppendASCII("out.zip");
-
-  const int flags = base::PLATFORM_FILE_CREATE | base::PLATFORM_FILE_WRITE;
-  const base::PlatformFile zip_fd =
-      base::CreatePlatformFile(zip_file, flags, NULL, NULL);
-  ASSERT_LE(0, zip_fd);
-  EXPECT_TRUE(zip::ZipFiles(src_dir, zip_file_list_, zip_fd));
-  base::ClosePlatformFile(zip_fd);
-
-  zip::ZipReader reader;
-  EXPECT_TRUE(reader.Open(zip_file));
-  EXPECT_EQ(zip_file_list_.size(), static_cast<size_t>(reader.num_entries()));
-  for (size_t i = 0; i < zip_file_list_.size(); ++i) {
-    EXPECT_TRUE(reader.LocateAndOpenEntry(zip_file_list_[i]));
-    // Check the path in the entry just in case.
-    const zip::ZipReader::EntryInfo* entry_info = reader.current_entry_info();
-    EXPECT_EQ(entry_info->file_path(), zip_file_list_[i]);
-  }
-}
-#endif  // defined(OS_POSIX)
-
-}  // namespace
-