Values_AreEqual_Number_And_String_Test.java

/**
 * 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
 *
 * 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.
 *
 * Copyright 2012-2016 the original author or authors.
 */
package org.assertj.db.util;

import org.assertj.db.common.AbstractTest;
import org.assertj.db.exception.AssertJDBException;
import org.junit.Test;

import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.concurrent.atomic.AtomicLong;

import static org.assertj.core.api.Assertions.assertThat;

/**
 * Tests on {@code areEqual} method for {@code Number}s and {@code String}s.
 * 
 * @author Régis Pouiller
 * 
 */
public class Values_AreEqual_Number_And_String_Test extends AbstractTest {

  /**
   * This method tests the {@code areEqual} method for another type of value and {@code Float}s.
   */
  @Test
  public void test_are_equal_for_float_and_string() throws Exception {
    assertThat(Values.areEqual(getValue(null, 1F), "1")).isTrue();
    assertThat(Values.areEqual(getValue(null, 2F), "1")).isFalse();
    assertThat(Values.areEqual(getValue(null, 1.5F), "1.5")).isTrue();
    assertThat(Values.areEqual(getValue(null, 2.5F), "1.5")).isFalse();
  }

  /**
   * This method tests the {@code areEqual} method for another type of value and {@code Double}s.
   */
  @Test
  public void test_are_equal_for_double_and_string() throws Exception {
    assertThat(Values.areEqual(getValue(null, 1D), "1")).isTrue();
    assertThat(Values.areEqual(getValue(null, 2D), "1")).isFalse();
    assertThat(Values.areEqual(getValue(null, 1.5D), "1.5")).isTrue();
    assertThat(Values.areEqual(getValue(null, 2.5D), "1.5")).isFalse();
  }

  /**
   * This method tests the {@code areEqual} method for another type of value and {@code BigInteger}s.
   */
  @Test
  public void test_are_equal_for_biginteger_and_string() throws Exception {
    assertThat(Values.areEqual(getValue(null, new BigInteger("1")), "1")).isTrue();
    assertThat(Values.areEqual(getValue(null, new BigInteger("2")), "1")).isFalse();
  }

  /**
   * This method tests the {@code areEqual} method for another type of value and {@code BigDecimal}s.
   */
  @Test
  public void test_are_equal_for_bigdecimal_and_string() throws Exception {
    assertThat(Values.areEqual(getValue(null, new BigDecimal("1")), "1")).isTrue();
    assertThat(Values.areEqual(getValue(null, new BigDecimal("2")), "1")).isFalse();
    assertThat(Values.areEqual(getValue(null, new BigDecimal("1.5")), "1.5")).isTrue();
    assertThat(Values.areEqual(getValue(null, new BigDecimal("2.5")), "1.5")).isFalse();
  }

  /**
   * This method tests the {@code areEqual} method for another type of value and {@code Byte}s.
   */
  @Test
  public void test_are_equal_for_byte_and_string() throws Exception {
    assertThat(Values.areEqual(getValue(null, (byte) 1), "1")).isTrue();
    assertThat(Values.areEqual(getValue(null, (byte) 2), "1")).isFalse();
  }

  /**
   * This method tests the {@code areEqual} method for another type of value and {@code Short}s.
   */
  @Test
  public void test_are_equal_for_short_and_string() throws Exception {
    assertThat(Values.areEqual(getValue(null, (short) 1), "1")).isTrue();
    assertThat(Values.areEqual(getValue(null, (short) 2), "1")).isFalse();
  }

  /**
   * This method tests the {@code areEqual} method for another type of value and {@code Int}s.
   */
  @Test
  public void test_are_equal_for_int_and_string() throws Exception {
    assertThat(Values.areEqual(getValue(null, 1), "1")).isTrue();
    assertThat(Values.areEqual(getValue(null, 2), "1")).isFalse();
  }

  /**
   * This method tests the {@code areEqual} method for another type of value and {@code Long}s.
   */
  @Test
  public void test_are_equal_for_long_and_string() throws Exception {
    assertThat(Values.areEqual(getValue(null, (long) 1), "1")).isTrue();
    assertThat(Values.areEqual(getValue(null, (long) 2), "1")).isFalse();
  }

  /**
   * This method tests the {@code areEqual} method for another type of value and {@code AtomicLong}s.
   */
  @Test
  public void test_are_equal_for_atomiclong_and_string() throws Exception {
    assertThat(Values.areEqual(getValue(null, new AtomicLong(1)), "1")).isFalse();
    assertThat(Values.areEqual(getValue(null, new AtomicLong(2)), "1")).isFalse();
  }

  /**
   * This method should fail because the expected value ("***") is not parsable to do the comparison.
   */
  @Test(expected = AssertJDBException.class)
  public void should_fail_because_string_is_not_parseable() throws Exception {
    Values.areEqual(getValue(null, 1), "***");
  }

  /**
   * This method should fail because the expected value is null.
   */
  @Test
  public void should_fail_because_string_is_null_with_float() throws Exception {
    assertThat(Values.areEqual(getValue(null, 1F), (String) null)).isFalse();
  }

  /**
   * This method should fail because the expected value is null.
   */
  @Test
  public void should_fail_because_string_is_null_with_double() throws Exception {
    assertThat(Values.areEqual(getValue(null, 1D), (String) null)).isFalse();
  }

  /**
   * This method should fail because the expected value is null.
   */
  @Test
  public void should_fail_because_string_is_null_with_byte() throws Exception {
    assertThat(Values.areEqual(getValue(null, (byte) 1), (String) null)).isFalse();
  }

  /**
   * This method should fail because the expected value is null.
   */
  @Test
  public void should_fail_because_string_is_null_with_short() throws Exception {
    assertThat(Values.areEqual(getValue(null, (short) 1), (String) null)).isFalse();
  }

  /**
   * This method should fail because the expected value is null.
   */
  @Test
  public void should_fail_because_string_is_null_with_int() throws Exception {
    assertThat(Values.areEqual(getValue(null, 1), (String) null)).isFalse();
  }

  /**
   * This method should fail because the expected value is null.
   */
  @Test
  public void should_fail_because_string_is_null_with_long() throws Exception {
    assertThat(Values.areEqual(getValue(null, (long) 1), (String) null)).isFalse();
  }

  /**
   * This method should fail because the expected value is null.
   */
  @Test
  public void should_fail_because_string_is_null_with_biginteger() throws Exception {
    assertThat(Values.areEqual(getValue(null, new BigInteger("1")), (String) null)).isFalse();
  }

  /**
   * This method should fail because the expected value is null.
   */
  @Test
  public void should_fail_because_string_is_null_with_bigdecimal() throws Exception {
    assertThat(Values.areEqual(getValue(null, new BigDecimal("1")), (String) null)).isFalse();
  }
}