MapPredicateTest.java

/*
 * Copyright 2019 the original author or authors.
 *
 * Licensed 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
 *
 *      https://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 br.com.fluentvalidator.predicate;

import static br.com.fluentvalidator.function.FunctionBuilder.of;
import static br.com.fluentvalidator.predicate.LogicalPredicate.not;
import static br.com.fluentvalidator.predicate.MapPredicate.mapGet;
import static br.com.fluentvalidator.predicate.StringPredicate.isAlpha;
import static br.com.fluentvalidator.predicate.StringPredicate.isNumber;
import static br.com.fluentvalidator.predicate.StringPredicate.stringEmptyOrNull;
import static br.com.fluentvalidator.predicate.StringPredicate.stringSize;
import static org.hamcrest.MatcherAssert.assertThat;
import static org.hamcrest.Matchers.equalTo;

import java.util.HashMap;
import java.util.Map;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;

class MapPredicateTest {

  private final Map<String, String> map = new HashMap<>();

  @BeforeEach
  public void before() {
    map.clear();
    map.put("a", "123456");
    map.put("b", "aeiou");
    map.put("c", null);
  }

  @Test
  void testMapGetKPredicateOfV() {
    assertThat(MapPredicate.<String, String, Map<String, String>>mapGet(of(x -> "a"), stringSize(6)).test(map), equalTo(true));
    assertThat(MapPredicate.<String, String, Map<String, String>>mapGet(of(x -> "a"), isNumber()).test(map), equalTo(true));
    assertThat(MapPredicate.<String, String, Map<String, String>>mapGet(of(x -> "a"), not(stringEmptyOrNull())).test(map), equalTo(true));
    assertThat(MapPredicate.<String, String, Map<String, String>>mapGet(of(x -> "b"), stringSize(5)).test(map), equalTo(true));
    assertThat(MapPredicate.<String, String, Map<String, String>>mapGet(of(x -> "b"), isAlpha()).test(map), equalTo(true));
    assertThat(MapPredicate.<String, String, Map<String, String>>mapGet(of(x -> "b"), not(stringEmptyOrNull())).test(map), equalTo(true));
    assertThat(MapPredicate.<String, String, Map<String, String>>mapGet(of(x -> "c"), stringEmptyOrNull()).test(map), equalTo(true));
    assertThat(MapPredicate.<String, String, Map<String, String>>mapGet(of(x -> "c"), not(stringEmptyOrNull())).test(map), equalTo(false));
    assertThat(MapPredicate.<String, String, Map<String, String>>mapGet(of(x -> "a"), null).test(map), equalTo(false));
    assertThat(MapPredicate.<String, String, Map<String, String>>mapGet(null, not(stringEmptyOrNull())).test(map), equalTo(false));
  }

  @Test
  void testMapGetFunctionOfTKPredicateOfV() {
    assertThat(MapPredicate.<String, String, Map<String, String>>mapGet("a", stringSize(6)).test(map), equalTo(true));
    assertThat(MapPredicate.<String, String, Map<String, String>>mapGet("a", isNumber()).test(map), equalTo(true));
    assertThat(MapPredicate.<String, String, Map<String, String>>mapGet("a", not(stringEmptyOrNull())).test(map), equalTo(true));
    assertThat(MapPredicate.<String, String, Map<String, String>>mapGet("b", stringSize(5)).test(map), equalTo(true));
    assertThat(MapPredicate.<String, String, Map<String, String>>mapGet("b", isAlpha()).test(map), equalTo(true));
    assertThat(MapPredicate.<String, String, Map<String, String>>mapGet("b", not(stringEmptyOrNull())).test(map), equalTo(true));
    assertThat(MapPredicate.<String, String, Map<String, String>>mapGet("c", stringEmptyOrNull()).test(map), equalTo(true));
    assertThat(MapPredicate.<String, String, Map<String, String>>mapGet("c", not(stringEmptyOrNull())).test(map), equalTo(false));
    assertThat(MapPredicate.<String, String, Map<String, String>>mapGet("a", null).test(map), equalTo(false));
    assertThat(MapPredicate.<String, String, Map<String, String>>mapGet(null, not(stringEmptyOrNull())).test(map), equalTo(false));
  }

  @Test
  void testContainsKeyK() {
    assertThat(MapPredicate.<String, String, Map<String, String>>containsKey("a").test(map), equalTo(true));
    assertThat(MapPredicate.<String, String, Map<String, String>>containsKey("b").test(map), equalTo(true));
    assertThat(MapPredicate.<String, String, Map<String, String>>containsKey("c").test(map), equalTo(true));
    assertThat(MapPredicate.<String, String, Map<String, String>>containsKey("d").test(map), equalTo(false));
    assertThat(MapPredicate.<String, String, Map<String, String>>containsKey(null).test(map), equalTo(false));
  }

  @Test
  void testContainsKeyFunctionOfTK() {
    assertThat(MapPredicate.<String, String, Map<String, String>>containsKey(of(x -> "a")).test(map), equalTo(true));
    assertThat(MapPredicate.<String, String, Map<String, String>>containsKey(of(x -> "b")).test(map), equalTo(true));
    assertThat(MapPredicate.<String, String, Map<String, String>>containsKey(of(x -> "c")).test(map), equalTo(true));
    assertThat(MapPredicate.<String, String, Map<String, String>>containsKey(of(x -> "d")).test(map), equalTo(false));
    assertThat(MapPredicate.<String, String, Map<String, String>>containsKey(null).test(map), equalTo(false));
    assertThat(MapPredicate.<String, String, Map<String, String>>containsKey(null).test(null), equalTo(false));
  }

  @Test
  void testContainsValueV() {
    assertThat(MapPredicate.<String, String, Map<String, String>>containsValue("aeiou").test(map), equalTo(true));
    assertThat(MapPredicate.<String, String, Map<String, String>>containsValue("123456").test(map), equalTo(true));
    assertThat(MapPredicate.<String, String, Map<String, String>>containsValue("d").test(map), equalTo(false));
    assertThat(MapPredicate.<String, String, Map<String, String>>containsValue(null).test(map), equalTo(false));
    assertThat(MapPredicate.<String, String, Map<String, String>>containsValue(null).test(null), equalTo(false));
  }

  @Test
  void testContainsValueFunctionOfTV() {
    assertThat(MapPredicate.<String, String, Map<String, String>>containsValue(of(x -> "aeiou")).test(map), equalTo(true));
    assertThat(MapPredicate.<String, String, Map<String, String>>containsValue(of(x -> "123456")).test(map), equalTo(true));
    assertThat(MapPredicate.<String, String, Map<String, String>>containsValue(of(x -> "d")).test(map), equalTo(false));
    assertThat(MapPredicate.<String, String, Map<String, String>>containsValue(null).test(map), equalTo(false));
    assertThat(MapPredicate.<String, String, Map<String, String>>containsValue(null).test(null), equalTo(false));
  }

}