be/src/util/hdfs-util-test.cc

// Licensed to the Apache Software Foundation (ASF) under one
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// 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 "hdfs-util.h"

#include "testutil/gtest-util.h"
#include "common/init.h"
#include "common/logging.h"
#include "util/test-info.h"
#include "runtime/exec-env.h"
#include "service/fe-support.h"

using namespace impala;

DECLARE_bool(enable_webserver);

TEST(HdfsUtilTest, CheckFilesystemsMatch) {
  // We do not want to start the webserver.
  FLAGS_enable_webserver = false;
  ExecEnv* exec_env = new ExecEnv();

  // We do this to retrieve the default FS from the frontend.
  exec_env->StartServices();

  // Tests with both paths qualified.
  EXPECT_TRUE(FilesystemsMatch("s3a://dummybucket/temp_dir/temp_path",
                               "s3a://dummybucket/temp_dir_2/temp_path_2"));
  EXPECT_FALSE(FilesystemsMatch("s3a://dummybucket/temp_dir/temp_path",
                                "s3a://dummybucket_2/temp_dir_2/temp_path_2"));
  EXPECT_FALSE(FilesystemsMatch("s3a://dummybucket/temp_dir/temp_path",
                                "hdfs://namenode/temp_dir2/temp_path_2"));
  EXPECT_FALSE(FilesystemsMatch("hdfs://namenode/temp_dir/temp_path",
                                "hdfs://namenode_2/temp_dir2/temp_path_2"));
  EXPECT_TRUE(FilesystemsMatch("hdfs://namenode:9999/temp_dir/temp_path",
                                "hdfs://namenode:9999/temp_dir2/temp_path_2"));
  EXPECT_FALSE(FilesystemsMatch("hdfs://namenode:9999/temp_dir/temp_path",
                                "hdfs://namenode:8888/temp_dir2/temp_path_2"));
  EXPECT_TRUE(FilesystemsMatch("file:/path/to/dir/filename.parq",
                               "file:///path/to/dir/filename.parq"));
  EXPECT_TRUE(FilesystemsMatch("file:/path/to/dir/filename.parq",
                               "file:/path_2/to/dir/filename.parq"));
  EXPECT_TRUE(FilesystemsMatch("file:///path/to/dir/filename.parq",
                               "file:/path_2/to/dir/filename.parq"));
  EXPECT_FALSE(FilesystemsMatch("file:/path/to/dir/filename.parq",
                                "file2://path/to/dir/filename.parq"));
  EXPECT_FALSE(FilesystemsMatch("hdfs://", "s3a://dummybucket/temp_dir/temp_path"));
  EXPECT_TRUE(FilesystemsMatch("hdfs://namenode", "hdfs://namenode/"));

  // Tests with both paths paths unqualified.
  EXPECT_TRUE(FilesystemsMatch("tempdir/temppath", "tempdir2/temppath2"));

  // Tests with one path qualified and the other unqualified.
  const char* default_fs = exec_env->default_fs().c_str();
  EXPECT_TRUE(FilesystemsMatch(default_fs, "temp_dir/temp_path"));
  EXPECT_TRUE(FilesystemsMatch("temp_dir/temp_path", default_fs));
  EXPECT_FALSE(FilesystemsMatch("badscheme://namenode/temp_dir/temp_path",
                                "temp_dir/temp_path"));
  EXPECT_FALSE(FilesystemsMatch("badscheme://namenode:1234/temp_dir/temp_path",
                                "temp_dir/temp_path"));
}

int main(int argc, char** argv) {
  ::testing::InitGoogleTest(&argc, argv);
  InitCommonRuntime(argc, argv, true, TestInfo::BE_TEST);
  InitFeSupport();
  return RUN_ALL_TESTS();
}