iotdb-core/tsfile/src/test/java/org/apache/iotdb/tsfile/read/filter/PredicateRemoveNotRewriterTest.java

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 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
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 *
 *     http://www.apache.org/licenses/LICENSE-2.0
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package org.apache.iotdb.tsfile.read.filter;

import org.apache.iotdb.tsfile.read.filter.factory.FilterFactory;
import org.apache.iotdb.tsfile.read.filter.factory.TimeFilterApi;
import org.apache.iotdb.tsfile.read.filter.factory.ValueFilterApi;

import org.junit.Assert;
import org.junit.Test;

import java.util.Arrays;
import java.util.HashSet;

public class PredicateRemoveNotRewriterTest {

  @Test
  public void testReverse() {
    Assert.assertEquals(TimeFilterApi.gt(1), TimeFilterApi.ltEq(1).reverse());
    Assert.assertEquals(TimeFilterApi.gtEq(1), TimeFilterApi.lt(1).reverse());
    Assert.assertEquals(TimeFilterApi.lt(1), TimeFilterApi.gtEq(1).reverse());
    Assert.assertEquals(TimeFilterApi.ltEq(1), TimeFilterApi.gt(1).reverse());
    Assert.assertEquals(TimeFilterApi.eq(1), TimeFilterApi.notEq(1).reverse());
    Assert.assertEquals(TimeFilterApi.notEq(1), TimeFilterApi.eq(1).reverse());
    Assert.assertEquals(ValueFilterApi.like("s*"), ValueFilterApi.notLike("s*").reverse());
    Assert.assertEquals(ValueFilterApi.notLike("s*"), ValueFilterApi.like("s*").reverse());
    Assert.assertEquals(ValueFilterApi.regexp("s*"), ValueFilterApi.notRegexp("s*").reverse());
    Assert.assertEquals(ValueFilterApi.notRegexp("s*"), ValueFilterApi.regexp("s*").reverse());
    Assert.assertEquals(TimeFilterApi.between(1, 100), TimeFilterApi.notBetween(1, 100).reverse());
    Assert.assertEquals(TimeFilterApi.notBetween(1, 100), TimeFilterApi.between(1, 100).reverse());
    Assert.assertEquals(
        ValueFilterApi.in(new HashSet<>(Arrays.asList("a", "b"))),
        ValueFilterApi.notIn(new HashSet<>(Arrays.asList("a", "b"))).reverse());
    Assert.assertEquals(
        ValueFilterApi.notIn(new HashSet<>(Arrays.asList("a", "b"))),
        ValueFilterApi.in(new HashSet<>(Arrays.asList("a", "b"))).reverse());
    Assert.assertEquals(TimeFilterApi.gt(1), FilterFactory.not(TimeFilterApi.gt(1)).reverse());
    Assert.assertEquals(
        FilterFactory.and(TimeFilterApi.gt(1), TimeFilterApi.ltEq(1)),
        FilterFactory.or(TimeFilterApi.ltEq(1), TimeFilterApi.gt(1)).reverse());
    Assert.assertEquals(
        FilterFactory.or(TimeFilterApi.ltEq(1), TimeFilterApi.gt(1)),
        FilterFactory.and(TimeFilterApi.gt(1), TimeFilterApi.ltEq(1)).reverse());
  }

  @Test
  public void testRemoveNot() {
    Assert.assertEquals(
        TimeFilterApi.ltEq(1),
        PredicateRemoveNotRewriter.rewrite(FilterFactory.not(TimeFilterApi.gt(1))));
    Assert.assertEquals(
        ValueFilterApi.like("s*"),
        PredicateRemoveNotRewriter.rewrite(FilterFactory.not(ValueFilterApi.notLike("s*"))));
    Assert.assertEquals(
        FilterFactory.or(TimeFilterApi.gt(1), TimeFilterApi.ltEq(1)),
        PredicateRemoveNotRewriter.rewrite(
            FilterFactory.or(
                FilterFactory.not(TimeFilterApi.ltEq(1)), FilterFactory.not(TimeFilterApi.gt(1)))));
    Assert.assertEquals(
        FilterFactory.and(TimeFilterApi.gt(1), TimeFilterApi.ltEq(1)),
        PredicateRemoveNotRewriter.rewrite(
            FilterFactory.and(
                FilterFactory.not(TimeFilterApi.ltEq(1)), FilterFactory.not(TimeFilterApi.gt(1)))));
  }
}