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AssertJ-DB - Rich and fluent assertions for testing with database

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/*
 * 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 2015-2020 the original author or authors.
 */
package org.assertj.db.api.assertions.impl;

import org.assertj.core.api.WritableAssertionInfo;
import org.assertj.core.internal.Failures;
import org.assertj.db.api.AbstractAssert;
import org.assertj.db.type.Value;
import org.assertj.db.type.ValueType;
import org.assertj.db.util.Values;

import java.util.List;

import static org.assertj.db.error.ShouldBeCompatible.shouldBeCompatible;
import static org.assertj.db.error.ShouldBeEqual.shouldBeEqual;
import static org.assertj.db.util.Values.areEqual;

/**
 * Implements the assertion method on the equality of a row.
 *
 * @author Régis Pouiller
 * @see org.assertj.db.api.assertions.AssertOnRowEquality
 */
public class AssertionsOnRowEquality {

  /**
   * To notice failures in the assertion.
   */
  private static final Failures failures = Failures.instance();

  /**
   * Private constructor.
   */
  private AssertionsOnRowEquality() {
    // Empty
  }

  /**
   * Verifies that the values of a column are equal to values in parameter.
   *
   * @param         The type of the assertion which call this method.
   * @param assertion  The assertion which call this method.
   * @param info       Writable information about an assertion.
   * @param valuesList The list of values.
   * @param expected   The expected values.
   * @return {@code this} assertion object.
   * @throws AssertionError If the value is not equal to the values in parameter.
   */
  public static > A hasValues(A assertion, WritableAssertionInfo info,
                                                       List valuesList, Object... expected) {
    AssertionsOnNumberOfColumns.hasNumberOfColumns(assertion, info, valuesList.size(), expected.length);
    int index = 0;
    for (Value value : valuesList) {
      Object object = expected[index];
      if (!value.isComparisonPossible(object)) {
        throw failures.failure(info, shouldBeCompatible(value, object));
      }
      if (!areEqual(value, expected[index])) {
        if (value.getValueType() == ValueType.BYTES) {
          throw failures.failure(info, shouldBeEqual(index));
        } else {
          throw failures.failure(info, shouldBeEqual(index, Values.getRepresentationFromValueInFrontOfExpected(value,
                                                                                                               expected[index]),
                                                     expected[index]));
        }
      }
      index++;
    }
    return assertion;
  }
}

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