server/src/test/java/org/apache/iotdb/db/metadata/PartialPathTest.java

/*
 * 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.
 */
package org.apache.iotdb.db.metadata;

import org.apache.iotdb.db.exception.metadata.IllegalPathException;
import org.apache.iotdb.db.utils.EnvironmentUtils;

import org.junit.After;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;

import java.util.Arrays;
import java.util.List;

public class PartialPathTest {
  @Before
  public void setUp() {
    EnvironmentUtils.envSetUp();
  }

  @After
  public void tearDown() throws Exception {
    EnvironmentUtils.cleanEnv();
  }

  @Test
  public void testConcatPath() {
    String[] arr1 = new String[2];
    arr1[0] = "root";
    arr1[1] = "sg1";
    PartialPath a = new PartialPath(arr1);
    String[] arr2 = new String[2];
    arr2[0] = "d1";
    arr2[1] = "s1";
    PartialPath b = new PartialPath(arr2);
    Assert.assertEquals("[root, sg1, d1, s1]", Arrays.toString(a.concatPath(b).getNodes()));
    Assert.assertEquals("s1", b.getTailNode());
    Assert.assertEquals("root.sg1.d1", a.concatPath(b).getDevicePath().getFullPath());
    Assert.assertEquals("root.sg1", a.toString());
  }

  @Test
  public void testConcatArray() throws IllegalPathException {
    PartialPath a = new PartialPath("root", "sg1");
    String[] arr2 = new String[2];
    arr2[0] = "d1";
    arr2[1] = "s1";
    a.concatPath(arr2);
    Assert.assertEquals("[root, sg1, d1, s1]", Arrays.toString(a.getNodes()));
  }

  @Test
  public void testConcatNode() {
    String[] arr1 = new String[2];
    arr1[0] = "root";
    arr1[1] = "sg1";
    PartialPath a = new PartialPath(arr1);
    PartialPath b = a.concatNode("d1");
    Assert.assertEquals("[root, sg1, d1]", Arrays.toString(b.getNodes()));
    Assert.assertEquals("root.sg1.d1", b.getFullPath());
    Assert.assertTrue(b.startsWith(arr1));
    Assert.assertEquals("root", b.getFirstNode());
  }

  @Test
  public void testAlterPrefixPath() throws IllegalPathException {
    PartialPath p1 = new PartialPath("root.sg1.d1.s1");
    PartialPath p2 = p1.alterPrefixPath(new PartialPath("root.sg2"));
    PartialPath p3 = p1.alterPrefixPath(new PartialPath("root.sg2.d1.d2.s3"));

    Assert.assertEquals("root.sg2.d1.s1", p2.getFullPath());
    Assert.assertEquals("root.sg2.d1.d2.s3", p3.getFullPath());
  }

  @Test
  public void testMatchPath() throws IllegalPathException {
    PartialPath p1 = new PartialPath("root.sg1.d1.*");

    Assert.assertTrue(p1.matchFullPath(new PartialPath("root.sg1.d1.s2")));
    Assert.assertFalse(p1.matchFullPath(new PartialPath("root.sg1.d1")));
    Assert.assertFalse(p1.matchFullPath(new PartialPath("root.sg2.d1.*")));
    Assert.assertFalse(p1.matchFullPath(new PartialPath("")));
  }

  @Test
  public void testPartialPathAndStringList() {
    List<PartialPath> paths =
        PartialPath.fromStringList(Arrays.asList("root.sg1.d1.s1", "root.sg1.d1.s2"));
    Assert.assertEquals("root.sg1.d1.s1", paths.get(0).getFullPath());
    Assert.assertEquals("root.sg1.d1.s2", paths.get(1).getFullPath());

    List<String> stringPaths = PartialPath.toStringList(paths);
    Assert.assertEquals("root.sg1.d1.s1", stringPaths.get(0));
    Assert.assertEquals("root.sg1.d1.s2", stringPaths.get(1));
  }
}