fork of https://github.com/oxigraph/rocksdb and https://github.com/facebook/rocksdb for nextgraph and oxigraph
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363 lines
13 KiB
363 lines
13 KiB
// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file. See the AUTHORS file for names of contributors.
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//
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// Copyright (c) Facebook, Inc. and its affiliates. All Rights Reserved.
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#include <algorithm>
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#include <memory>
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#include <string>
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#include <vector>
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#include "env/mock_env.h"
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#include "file/file_util.h"
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#include "rocksdb/convenience.h"
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#include "rocksdb/env.h"
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#include "rocksdb/env_encryption.h"
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#include "test_util/testharness.h"
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namespace ROCKSDB_NAMESPACE {
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class EnvBasicTestWithParam : public testing::Test,
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public ::testing::WithParamInterface<Env*> {
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public:
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Env* env_;
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const EnvOptions soptions_;
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std::string test_dir_;
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EnvBasicTestWithParam() : env_(GetParam()) {
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test_dir_ = test::PerThreadDBPath(env_, "env_basic_test");
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}
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void SetUp() override { ASSERT_OK(env_->CreateDirIfMissing(test_dir_)); }
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void TearDown() override { ASSERT_OK(DestroyDir(env_, test_dir_)); }
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};
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class EnvMoreTestWithParam : public EnvBasicTestWithParam {};
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INSTANTIATE_TEST_CASE_P(EnvDefault, EnvBasicTestWithParam,
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::testing::Values(Env::Default()));
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INSTANTIATE_TEST_CASE_P(EnvDefault, EnvMoreTestWithParam,
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::testing::Values(Env::Default()));
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static std::unique_ptr<Env> mock_env(new MockEnv(Env::Default()));
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INSTANTIATE_TEST_CASE_P(MockEnv, EnvBasicTestWithParam,
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::testing::Values(mock_env.get()));
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#ifndef ROCKSDB_LITE
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static Env* NewTestEncryptedEnv(Env* base, const std::string& provider_id) {
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std::shared_ptr<EncryptionProvider> provider;
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EXPECT_OK(EncryptionProvider::CreateFromString(ConfigOptions(), provider_id,
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&provider));
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return NewEncryptedEnv(base, provider);
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}
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// next statements run env test against default encryption code.
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static std::unique_ptr<Env> ctr_encrypt_env(NewTestEncryptedEnv(Env::Default(),
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"test://CTR"));
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INSTANTIATE_TEST_CASE_P(EncryptedEnv, EnvBasicTestWithParam,
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::testing::Values(ctr_encrypt_env.get()));
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INSTANTIATE_TEST_CASE_P(EncryptedEnv, EnvMoreTestWithParam,
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::testing::Values(ctr_encrypt_env.get()));
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#endif // ROCKSDB_LITE
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#ifndef ROCKSDB_LITE
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static std::unique_ptr<Env> mem_env(NewMemEnv(Env::Default()));
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INSTANTIATE_TEST_CASE_P(MemEnv, EnvBasicTestWithParam,
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::testing::Values(mem_env.get()));
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namespace {
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// Returns a vector of 0 or 1 Env*, depending whether an Env is registered for
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// TEST_ENV_URI.
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//
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// The purpose of returning an empty vector (instead of nullptr) is that gtest
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// ValuesIn() will skip running tests when given an empty collection.
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std::vector<Env*> GetCustomEnvs() {
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static bool init = false;
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static std::vector<Env*> res;
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if (!init) {
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init = true;
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const char* uri = getenv("TEST_ENV_URI");
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if (uri != nullptr) {
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static std::shared_ptr<Env> env_guard;
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static Env* custom_env;
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Status s =
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Env::CreateFromUri(ConfigOptions(), uri, "", &custom_env, &env_guard);
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if (s.ok()) {
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res.emplace_back(custom_env);
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}
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}
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uri = getenv("TEST_FS_URI");
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if (uri != nullptr) {
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static std::shared_ptr<Env> fs_env_guard;
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static Env* fs_env;
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Status s =
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Env::CreateFromUri(ConfigOptions(), "", uri, &fs_env, &fs_env_guard);
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if (s.ok()) {
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res.emplace_back(fs_env);
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}
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}
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}
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return res;
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}
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} // anonymous namespace
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INSTANTIATE_TEST_CASE_P(CustomEnv, EnvBasicTestWithParam,
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::testing::ValuesIn(GetCustomEnvs()));
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INSTANTIATE_TEST_CASE_P(CustomEnv, EnvMoreTestWithParam,
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::testing::ValuesIn(GetCustomEnvs()));
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#endif // ROCKSDB_LITE
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TEST_P(EnvBasicTestWithParam, Basics) {
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uint64_t file_size;
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std::unique_ptr<WritableFile> writable_file;
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std::vector<std::string> children;
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// Check that the directory is empty.
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ASSERT_EQ(Status::NotFound(), env_->FileExists(test_dir_ + "/non_existent"));
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ASSERT_TRUE(!env_->GetFileSize(test_dir_ + "/non_existent", &file_size).ok());
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ASSERT_OK(env_->GetChildren(test_dir_, &children));
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ASSERT_EQ(0U, children.size());
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// Create a file.
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ASSERT_OK(env_->NewWritableFile(test_dir_ + "/f", &writable_file, soptions_));
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ASSERT_OK(writable_file->Close());
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writable_file.reset();
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// Check that the file exists.
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ASSERT_OK(env_->FileExists(test_dir_ + "/f"));
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ASSERT_OK(env_->GetFileSize(test_dir_ + "/f", &file_size));
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ASSERT_EQ(0U, file_size);
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ASSERT_OK(env_->GetChildren(test_dir_, &children));
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ASSERT_EQ(1U, children.size());
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ASSERT_EQ("f", children[0]);
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ASSERT_OK(env_->DeleteFile(test_dir_ + "/f"));
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// Write to the file.
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ASSERT_OK(
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env_->NewWritableFile(test_dir_ + "/f1", &writable_file, soptions_));
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ASSERT_OK(writable_file->Append("abc"));
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ASSERT_OK(writable_file->Close());
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writable_file.reset();
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ASSERT_OK(
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env_->NewWritableFile(test_dir_ + "/f2", &writable_file, soptions_));
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ASSERT_OK(writable_file->Close());
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writable_file.reset();
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// Check for expected size.
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ASSERT_OK(env_->GetFileSize(test_dir_ + "/f1", &file_size));
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ASSERT_EQ(3U, file_size);
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// Check that renaming works.
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ASSERT_TRUE(
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!env_->RenameFile(test_dir_ + "/non_existent", test_dir_ + "/g").ok());
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ASSERT_OK(env_->RenameFile(test_dir_ + "/f1", test_dir_ + "/g"));
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ASSERT_EQ(Status::NotFound(), env_->FileExists(test_dir_ + "/f1"));
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ASSERT_OK(env_->FileExists(test_dir_ + "/g"));
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ASSERT_OK(env_->GetFileSize(test_dir_ + "/g", &file_size));
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ASSERT_EQ(3U, file_size);
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// Check that renaming overwriting works
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ASSERT_OK(env_->RenameFile(test_dir_ + "/f2", test_dir_ + "/g"));
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ASSERT_OK(env_->GetFileSize(test_dir_ + "/g", &file_size));
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ASSERT_EQ(0U, file_size);
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// Check that opening non-existent file fails.
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std::unique_ptr<SequentialFile> seq_file;
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std::unique_ptr<RandomAccessFile> rand_file;
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ASSERT_TRUE(!env_->NewSequentialFile(test_dir_ + "/non_existent", &seq_file,
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soptions_)
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.ok());
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ASSERT_TRUE(!seq_file);
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ASSERT_NOK(env_->NewRandomAccessFile(test_dir_ + "/non_existent", &rand_file,
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soptions_));
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ASSERT_TRUE(!rand_file);
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// Check that deleting works.
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ASSERT_NOK(env_->DeleteFile(test_dir_ + "/non_existent"));
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ASSERT_OK(env_->DeleteFile(test_dir_ + "/g"));
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ASSERT_EQ(Status::NotFound(), env_->FileExists(test_dir_ + "/g"));
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ASSERT_OK(env_->GetChildren(test_dir_, &children));
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ASSERT_EQ(0U, children.size());
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Status s = env_->GetChildren(test_dir_ + "/non_existent", &children);
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ASSERT_TRUE(s.IsNotFound());
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}
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TEST_P(EnvBasicTestWithParam, ReadWrite) {
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std::unique_ptr<WritableFile> writable_file;
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std::unique_ptr<SequentialFile> seq_file;
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std::unique_ptr<RandomAccessFile> rand_file;
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Slice result;
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char scratch[100];
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ASSERT_OK(env_->NewWritableFile(test_dir_ + "/f", &writable_file, soptions_));
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ASSERT_OK(writable_file->Append("hello "));
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ASSERT_OK(writable_file->Append("world"));
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ASSERT_OK(writable_file->Close());
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writable_file.reset();
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// Read sequentially.
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ASSERT_OK(env_->NewSequentialFile(test_dir_ + "/f", &seq_file, soptions_));
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ASSERT_OK(seq_file->Read(5, &result, scratch)); // Read "hello".
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ASSERT_EQ(0, result.compare("hello"));
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ASSERT_OK(seq_file->Skip(1));
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ASSERT_OK(seq_file->Read(1000, &result, scratch)); // Read "world".
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ASSERT_EQ(0, result.compare("world"));
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ASSERT_OK(seq_file->Read(1000, &result, scratch)); // Try reading past EOF.
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ASSERT_EQ(0U, result.size());
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ASSERT_OK(seq_file->Skip(100)); // Try to skip past end of file.
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ASSERT_OK(seq_file->Read(1000, &result, scratch));
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ASSERT_EQ(0U, result.size());
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// Random reads.
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ASSERT_OK(env_->NewRandomAccessFile(test_dir_ + "/f", &rand_file, soptions_));
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ASSERT_OK(rand_file->Read(6, 5, &result, scratch)); // Read "world".
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ASSERT_EQ(0, result.compare("world"));
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ASSERT_OK(rand_file->Read(0, 5, &result, scratch)); // Read "hello".
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ASSERT_EQ(0, result.compare("hello"));
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ASSERT_OK(rand_file->Read(10, 100, &result, scratch)); // Read "d".
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ASSERT_EQ(0, result.compare("d"));
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// Too high offset.
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ASSERT_TRUE(rand_file->Read(1000, 5, &result, scratch).ok());
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}
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TEST_P(EnvBasicTestWithParam, Misc) {
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std::unique_ptr<WritableFile> writable_file;
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ASSERT_OK(env_->NewWritableFile(test_dir_ + "/b", &writable_file, soptions_));
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// These are no-ops, but we test they return success.
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ASSERT_OK(writable_file->Sync());
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ASSERT_OK(writable_file->Flush());
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ASSERT_OK(writable_file->Close());
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writable_file.reset();
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}
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TEST_P(EnvBasicTestWithParam, LargeWrite) {
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const size_t kWriteSize = 300 * 1024;
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char* scratch = new char[kWriteSize * 2];
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std::string write_data;
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for (size_t i = 0; i < kWriteSize; ++i) {
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write_data.append(1, static_cast<char>(i));
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}
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std::unique_ptr<WritableFile> writable_file;
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ASSERT_OK(env_->NewWritableFile(test_dir_ + "/f", &writable_file, soptions_));
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ASSERT_OK(writable_file->Append("foo"));
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ASSERT_OK(writable_file->Append(write_data));
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ASSERT_OK(writable_file->Close());
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writable_file.reset();
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std::unique_ptr<SequentialFile> seq_file;
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Slice result;
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ASSERT_OK(env_->NewSequentialFile(test_dir_ + "/f", &seq_file, soptions_));
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ASSERT_OK(seq_file->Read(3, &result, scratch)); // Read "foo".
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ASSERT_EQ(0, result.compare("foo"));
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size_t read = 0;
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std::string read_data;
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while (read < kWriteSize) {
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ASSERT_OK(seq_file->Read(kWriteSize - read, &result, scratch));
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read_data.append(result.data(), result.size());
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read += result.size();
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}
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ASSERT_TRUE(write_data == read_data);
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delete [] scratch;
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}
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TEST_P(EnvMoreTestWithParam, GetModTime) {
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ASSERT_OK(env_->CreateDirIfMissing(test_dir_ + "/dir1"));
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uint64_t mtime1 = 0x0;
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ASSERT_OK(env_->GetFileModificationTime(test_dir_ + "/dir1", &mtime1));
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}
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TEST_P(EnvMoreTestWithParam, MakeDir) {
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ASSERT_OK(env_->CreateDir(test_dir_ + "/j"));
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ASSERT_OK(env_->FileExists(test_dir_ + "/j"));
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std::vector<std::string> children;
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ASSERT_OK(env_->GetChildren(test_dir_, &children));
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ASSERT_EQ(1U, children.size());
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// fail because file already exists
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ASSERT_TRUE(!env_->CreateDir(test_dir_ + "/j").ok());
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ASSERT_OK(env_->CreateDirIfMissing(test_dir_ + "/j"));
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ASSERT_OK(env_->DeleteDir(test_dir_ + "/j"));
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ASSERT_EQ(Status::NotFound(), env_->FileExists(test_dir_ + "/j"));
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}
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TEST_P(EnvMoreTestWithParam, GetChildren) {
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// empty folder returns empty vector
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std::vector<std::string> children;
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std::vector<Env::FileAttributes> childAttr;
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ASSERT_OK(env_->CreateDirIfMissing(test_dir_));
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ASSERT_OK(env_->GetChildren(test_dir_, &children));
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ASSERT_OK(env_->FileExists(test_dir_));
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ASSERT_OK(env_->GetChildrenFileAttributes(test_dir_, &childAttr));
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ASSERT_EQ(0U, children.size());
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ASSERT_EQ(0U, childAttr.size());
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// folder with contents returns relative path to test dir
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ASSERT_OK(env_->CreateDirIfMissing(test_dir_ + "/niu"));
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ASSERT_OK(env_->CreateDirIfMissing(test_dir_ + "/you"));
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ASSERT_OK(env_->CreateDirIfMissing(test_dir_ + "/guo"));
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ASSERT_OK(env_->GetChildren(test_dir_, &children));
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ASSERT_OK(env_->GetChildrenFileAttributes(test_dir_, &childAttr));
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ASSERT_EQ(3U, children.size());
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ASSERT_EQ(3U, childAttr.size());
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for (auto each : children) {
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env_->DeleteDir(test_dir_ + "/" + each).PermitUncheckedError();
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} // necessary for default POSIX env
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// non-exist directory returns IOError
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ASSERT_OK(env_->DeleteDir(test_dir_));
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ASSERT_NOK(env_->FileExists(test_dir_));
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ASSERT_NOK(env_->GetChildren(test_dir_, &children));
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ASSERT_NOK(env_->GetChildrenFileAttributes(test_dir_, &childAttr));
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// if dir is a file, returns IOError
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ASSERT_OK(env_->CreateDir(test_dir_));
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std::unique_ptr<WritableFile> writable_file;
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ASSERT_OK(
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env_->NewWritableFile(test_dir_ + "/file", &writable_file, soptions_));
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ASSERT_OK(writable_file->Close());
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writable_file.reset();
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ASSERT_NOK(env_->GetChildren(test_dir_ + "/file", &children));
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ASSERT_EQ(0U, children.size());
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}
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TEST_P(EnvMoreTestWithParam, GetChildrenIgnoresDotAndDotDot) {
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auto* env = Env::Default();
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ASSERT_OK(env->CreateDirIfMissing(test_dir_));
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// Create a single file
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std::string path = test_dir_;
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const EnvOptions soptions;
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#ifdef OS_WIN
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path.append("\\test_file");
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#else
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path.append("/test_file");
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#endif
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std::string data("test data");
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std::unique_ptr<WritableFile> file;
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ASSERT_OK(env->NewWritableFile(path, &file, soptions));
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ASSERT_OK(file->Append("test data"));
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// get the children
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std::vector<std::string> result;
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ASSERT_OK(env->GetChildren(test_dir_, &result));
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// expect only one file named `test_data`, i.e. no `.` or `..` names
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ASSERT_EQ(result.size(), 1);
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ASSERT_EQ(result.at(0), "test_file");
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}
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} // namespace ROCKSDB_NAMESPACE
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int main(int argc, char** argv) {
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::testing::InitGoogleTest(&argc, argv);
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return RUN_ALL_TESTS();
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}
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