| // Licensed to the Apache Software Foundation (ASF) under one |
| // or more contributor license agreements. See the NOTICE file |
| // distributed with this work for additional information |
| // regarding copyright ownership. The ASF licenses this file |
| // to you under the Apache License, Version 2.0 (the |
| // "License"); you may not use this file except in compliance |
| // with the License. You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, |
| // software distributed under the License is distributed on an |
| // "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| // KIND, either express or implied. See the License for the |
| // specific language governing permissions and limitations |
| // under the License. |
| |
| #include "filesystem-util.h" |
| |
| #include <boost/filesystem.hpp> |
| #include <dirent.h> |
| #include <sys/stat.h> |
| #include <sys/types.h> |
| |
| #include "common/logging.h" |
| #include "testutil/gtest-util.h" |
| #include "util/scope-exit-trigger.h" |
| #include "util/test-info.h" |
| |
| #include "common/names.h" |
| |
| using namespace impala; |
| namespace filesystem = boost::filesystem; |
| using filesystem::path; |
| |
| TEST(FilesystemUtil, rlimit) { |
| ASSERT_LT(0ul, FileSystemUtil::MaxNumFileHandles()); |
| } |
| |
| TEST(FilesystemUtil, RemoveAndCreateDirectory) { |
| // Setup a temporary directory with one subdir |
| path dir = filesystem::unique_path(); |
| path subdir1 = dir / "impala1"; |
| path subdir2 = dir / "impala2"; |
| path subdir3 = dir / "a" / "longer" / "path"; |
| filesystem::create_directories(subdir1); |
| // Test error cases by removing write permissions on root dir to prevent |
| // creation/deletion of subdirs |
| chmod(dir.string().c_str(), 0); |
| EXPECT_FALSE(FileSystemUtil::RemoveAndCreateDirectory(subdir1.string()).ok()); |
| EXPECT_FALSE(FileSystemUtil::RemoveAndCreateDirectory(subdir2.string()).ok()); |
| // Test success cases by adding write permissions back |
| chmod(dir.string().c_str(), S_IRWXU); |
| EXPECT_OK(FileSystemUtil::RemoveAndCreateDirectory(subdir1.string())); |
| EXPECT_OK(FileSystemUtil::RemoveAndCreateDirectory(subdir2.string())); |
| // Check that directories were created |
| EXPECT_TRUE(filesystem::exists(subdir1) && filesystem::is_directory(subdir1)); |
| EXPECT_TRUE(filesystem::exists(subdir2) && filesystem::is_directory(subdir2)); |
| // Exercise VerifyIsDirectory |
| EXPECT_OK(FileSystemUtil::VerifyIsDirectory(subdir1.string())); |
| EXPECT_OK(FileSystemUtil::VerifyIsDirectory(subdir2.string())); |
| EXPECT_FALSE(FileSystemUtil::VerifyIsDirectory(subdir3.string()).ok()); |
| // Check that nested directories can be created |
| EXPECT_OK(FileSystemUtil::RemoveAndCreateDirectory(subdir3.string())); |
| EXPECT_TRUE(filesystem::exists(subdir3) && filesystem::is_directory(subdir3)); |
| // Cleanup |
| filesystem::remove_all(dir); |
| } |
| |
| TEST(FilesystemUtil, Paths) { |
| // Canonical path must not be empty |
| EXPECT_FALSE(FileSystemUtil::IsCanonicalPath("")); |
| // Canonical paths must be absolute |
| EXPECT_FALSE(FileSystemUtil::IsCanonicalPath("a/b")); |
| // Canonical paths must not contain "//", "..", "." components |
| EXPECT_FALSE(FileSystemUtil::IsCanonicalPath("..")); |
| EXPECT_FALSE(FileSystemUtil::IsCanonicalPath("/..")); |
| EXPECT_FALSE(FileSystemUtil::IsCanonicalPath("/a/b/..")); |
| EXPECT_FALSE(FileSystemUtil::IsCanonicalPath("/a/b/../c")); |
| EXPECT_FALSE(FileSystemUtil::IsCanonicalPath(".")); |
| EXPECT_FALSE(FileSystemUtil::IsCanonicalPath("/.")); |
| EXPECT_FALSE(FileSystemUtil::IsCanonicalPath("/a/b/.")); |
| EXPECT_FALSE(FileSystemUtil::IsCanonicalPath("/a/b/./c")); |
| EXPECT_FALSE(FileSystemUtil::IsCanonicalPath("/a//b")); |
| // Canonical paths must not end with '/' |
| EXPECT_FALSE(FileSystemUtil::IsCanonicalPath("/a/b/")); |
| |
| // The following are valid canonical paths |
| EXPECT_TRUE(FileSystemUtil::IsCanonicalPath("/")); |
| EXPECT_TRUE(FileSystemUtil::IsCanonicalPath("/a")); |
| EXPECT_TRUE(FileSystemUtil::IsCanonicalPath("/ab/cd/efg")); |
| |
| // The following should fail as "/a/b" is not a prefix of "/a/bc" |
| EXPECT_FALSE(FileSystemUtil::IsPrefixPath("/a/b", "/a/bc")); |
| |
| // The following calls should succed. |
| EXPECT_TRUE(FileSystemUtil::IsPrefixPath("/", "/")); |
| EXPECT_TRUE(FileSystemUtil::IsPrefixPath("/", "/a/bc/def")); |
| EXPECT_TRUE(FileSystemUtil::IsPrefixPath("/a", "/a/bc/def")); |
| EXPECT_TRUE(FileSystemUtil::IsPrefixPath("/a/bc", "/a/bc/def")); |
| EXPECT_TRUE(FileSystemUtil::IsPrefixPath("/a/bc/def", "/a/bc/def")); |
| |
| // 'relpath' should be empty if path equals to the start directory. |
| string relpath; |
| EXPECT_TRUE(FileSystemUtil::GetRelativePath("/", "/", &relpath)); |
| EXPECT_EQ(string(""), relpath); |
| EXPECT_TRUE(FileSystemUtil::GetRelativePath("/a/bc/def", "/a/bc/def", &relpath)); |
| EXPECT_EQ(string(""), relpath); |
| |
| // The following should fail as "/a/b" is not a prefix of "/a/bc" path. |
| EXPECT_FALSE(FileSystemUtil::GetRelativePath("/a/bc", "/a/b", &relpath)); |
| |
| // The following calls should succeed. |
| EXPECT_TRUE(FileSystemUtil::GetRelativePath("/a/bc/def", "/", &relpath)); |
| EXPECT_EQ(string("a/bc/def"), relpath); |
| |
| EXPECT_TRUE(FileSystemUtil::GetRelativePath("/a/bc/def", "/a", &relpath)); |
| EXPECT_EQ(string("bc/def"), relpath); |
| |
| EXPECT_TRUE(FileSystemUtil::GetRelativePath("/a/bc/def", "/a/bc", &relpath)); |
| EXPECT_EQ(string("def"), relpath); |
| } |
| |
| // This test exercises the handling of different directory entry types by GetEntryNames(). |
| TEST(FilesystemUtil, DirEntryTypes) { |
| // Setup a temporary directory with one subdir |
| path base_dir = filesystem::unique_path(); |
| path dir = base_dir / "impala-dir"; |
| path subdir = dir / "impala-subdir"; |
| path file = dir / "impala-file"; |
| |
| // Always cleanup on exit. |
| auto remove_dir = MakeScopeExitTrigger([&dir]() { filesystem::remove_all(dir); }); |
| |
| // Create the test directory and file. |
| ASSERT_OK(FileSystemUtil::RemoveAndCreateDirectory(subdir.string())); |
| ASSERT_OK(FileSystemUtil::CreateFile(file.string())); |
| |
| // Check if the system supports listing directory entries' types for 'impala-dir'. |
| // Some filesystem may not have full support for it on older platforms. |
| DIR* dir_stream = opendir(dir.c_str()); |
| ASSERT_TRUE(dir_stream != nullptr); |
| auto close_dir = MakeScopeExitTrigger([&dir_stream]() { closedir(dir_stream); }); |
| const dirent* dir_entry; |
| while ((dir_entry = readdir(dir_stream)) != nullptr) { |
| const char* entry_name = dir_entry->d_name; |
| if ((strcmp(entry_name, "impala-subdir") == 0 && dir_entry->d_type != DT_DIR) || |
| (strcmp(entry_name, "impala-file") == 0 && dir_entry->d_type != DT_REG)) { |
| LOG(WARNING) << Substitute("readdir() failed to list directory entry types of $0. " |
| "Skipping DirEntryType test.", dir.string()); |
| return; |
| } |
| } |
| |
| // Verify that all directory entires are listed with the default parameters. |
| vector<string> entries; |
| ASSERT_OK(FileSystemUtil::Directory::GetEntryNames(dir.string(), &entries)); |
| ASSERT_EQ(entries.size(), 2); |
| for (const string& entry : entries) { |
| EXPECT_TRUE(entry == "impala-subdir" || entry == "impala-file"); |
| } |
| |
| // Verify that only directory type entries are listed with DIR_ENTRY_DIR. |
| entries.clear(); |
| ASSERT_OK(FileSystemUtil::Directory::GetEntryNames(dir.string(), &entries, 0, |
| FileSystemUtil::Directory::DIR_ENTRY_DIR)); |
| ASSERT_EQ(entries.size(), 1); |
| EXPECT_TRUE(entries[0] == "impala-subdir"); |
| |
| // Verify that only file type entries are listed with DIR_ENTRY_REG. |
| entries.clear(); |
| ASSERT_OK(FileSystemUtil::Directory::GetEntryNames(dir.string(), &entries, 0, |
| FileSystemUtil::Directory::DIR_ENTRY_REG)); |
| ASSERT_EQ(entries.size(), 1); |
| EXPECT_TRUE(entries[0] == "impala-file"); |
| } |