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AssertJ-DB - Rich and fluent assertions for testing with database
/*
* 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.Change;
import org.assertj.db.type.lettercase.LetterCase;
import org.assertj.db.util.Changes;
import java.util.*;
import static org.assertj.db.error.ShouldHaveModifications.shouldHaveModifications;
import static org.assertj.db.error.ShouldHaveNumberOfModifications.shouldHaveNumberOfModifications;
import static org.assertj.db.error.ShouldHaveNumberOfModificationsGreater.shouldHaveNumberOfModificationsGreater;
import static org.assertj.db.error.ShouldHaveNumberOfModificationsGreaterOrEqual.shouldHaveNumberOfModificationsGreaterOrEqual;
import static org.assertj.db.error.ShouldHaveNumberOfModificationsLess.shouldHaveNumberOfModificationsLess;
import static org.assertj.db.error.ShouldHaveNumberOfModificationsLessOrEqual.shouldHaveNumberOfModificationsLessOrEqual;
/**
* Implements the assertion methods on modified columns.
*
* @author Régis Pouiller
* @see org.assertj.db.api.assertions.AssertOnModifiedColumns
*/
public class AssertionsOnModifiedColumns {
/**
* To notice failures in the assertion.
*/
private static final Failures failures = Failures.instance();
/**
* Private constructor.
*/
private AssertionsOnModifiedColumns() {
// Empty
}
/**
* Verifies that the number of columns with a modification in the values between the start point and the end point
* is equals to the number 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 change The change.
* @param number The expected number of modified columns
* @return {@code this} assertion object.
* @throws AssertionError If the number of modified columns is different to the number in parameter.
*/
public static > A hasNumberOfModifiedColumns(A assertion, WritableAssertionInfo info,
Change change, int number) {
Integer[] indexesOfModifiedColumns = Changes.getIndexesOfModifiedColumns(change);
if (number != indexesOfModifiedColumns.length) {
throw failures.failure(info, shouldHaveNumberOfModifications(indexesOfModifiedColumns.length, number));
}
return assertion;
}
/**
* Verifies that the number of columns with a modification in the values between the start point and the end point
* is greater than the number 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 change The change.
* @param number The expected number of modified columns
* @return {@code this} assertion object.
* @throws AssertionError If the number of modified columns is less than or equal to the number in parameter.
*/
public static > A hasNumberOfModifiedColumnsGreaterThan(A assertion, WritableAssertionInfo info,
Change change, int number) {
Integer[] indexesOfModifiedColumns = Changes.getIndexesOfModifiedColumns(change);
if (number >= indexesOfModifiedColumns.length) {
throw failures.failure(info, shouldHaveNumberOfModificationsGreater(indexesOfModifiedColumns.length, number));
}
return assertion;
}
/**
* Verifies that the number of columns with a modification in the values between the start point and the end point
* is less than the number 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 change The change.
* @param number The expected number of modified columns
* @return {@code this} assertion object.
* @throws AssertionError If the number of modified columns is greater than or equal to the number in parameter.
*/
public static > A hasNumberOfModifiedColumnsLessThan(A assertion, WritableAssertionInfo info,
Change change, int number) {
Integer[] indexesOfModifiedColumns = Changes.getIndexesOfModifiedColumns(change);
if (number <= indexesOfModifiedColumns.length) {
throw failures.failure(info, shouldHaveNumberOfModificationsLess(indexesOfModifiedColumns.length, number));
}
return assertion;
}
/**
* Verifies that the number of columns with a modification in the values between the start point and the end point
* is greater than or equal to the number 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 change The change.
* @param number The expected number of modified columns
* @return {@code this} assertion object.
* @throws AssertionError If the number of modified columns is less than the number in parameter.
*/
public static > A hasNumberOfModifiedColumnsGreaterThanOrEqualTo(A assertion, WritableAssertionInfo info,
Change change, int number) {
Integer[] indexesOfModifiedColumns = Changes.getIndexesOfModifiedColumns(change);
if (number > indexesOfModifiedColumns.length) {
throw failures.failure(info, shouldHaveNumberOfModificationsGreaterOrEqual(indexesOfModifiedColumns.length,
number));
}
return assertion;
}
/**
* Verifies that the number of columns with a modification in the values between the start point and the end point
* is less than or equal to the number 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 change The change.
* @param number The expected number of modified columns
* @return {@code this} assertion object.
* @throws AssertionError If the number of modified columns is greater than the number in parameter.
*/
public static > A hasNumberOfModifiedColumnsLessThanOrEqualTo(A assertion, WritableAssertionInfo info,
Change change, int number) {
Integer[] indexesOfModifiedColumns = Changes.getIndexesOfModifiedColumns(change);
if (number < indexesOfModifiedColumns.length) {
throw failures.failure(info, shouldHaveNumberOfModificationsLessOrEqual(indexesOfModifiedColumns.length, number));
}
return assertion;
}
/**
* Verifies that the indexes of columns with a modification in the values between the start point and the end point
* is equals to the parameters.
*
* @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 change The change.
* @param indexes Indexes of the modified columns.
* @return {@code this} assertion object.
* @throws AssertionError If the indexes of the modified columns are different to the indexes in parameters.
*/
public static > A hasModifiedColumns(A assertion, WritableAssertionInfo info, Change change,
Integer... indexes) {
if (indexes == null) {
throw new NullPointerException("Columns indexes must be not null");
}
// Create a sorted list from the modified columns
Integer[] indexesOfModifiedColumns = Changes.getIndexesOfModifiedColumns(change);
List indexesOfModifiedList = Arrays.asList(indexesOfModifiedColumns);
Collections.sort(indexesOfModifiedList);
// Create a sorted list from the parameters
List indexesList = new ArrayList<>();
for (Integer index : indexes) {
if (index == null) {
throw new NullPointerException("Column index must be not null");
}
indexesList.add(index);
}
Collections.sort(indexesList);
// Compare each list
if (!indexesList.equals(indexesOfModifiedList)) {
throw failures.failure(info, shouldHaveModifications(indexesOfModifiedColumns, indexes));
}
return assertion;
}
/**
* Verifies that the names of columns with a modification in the values between the start point and the end point
* is equals to the parameters.
*
* @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 change The change.
* @param columnLetterCase Letter case of the column names.
* @param names The names of the modified columns.
* @return {@code this} assertion object.
* @throws AssertionError If the names of the modified columns are different to the names in parameters.
*/
public static > A hasModifiedColumns(A assertion, WritableAssertionInfo info, Change change,
LetterCase columnLetterCase, String... names) {
if (names == null) {
throw new NullPointerException("Columns names must be not null");
}
// Create a sorted list from the parameters
List namesList = new ArrayList<>();
for (String name : names) {
if (name == null) {
throw new NullPointerException("Column name must be not null");
}
namesList.add(name);
}
namesList.sort(columnLetterCase);
// Create a sorted list from the modified columns
Integer[] indexesOfModifiedColumns = Changes.getIndexesOfModifiedColumns(change);
String[] namesOfModifiedColumns = new String[indexesOfModifiedColumns.length];
List columnsNameList = change.getColumnsNameList();
for (int i = 0; i < indexesOfModifiedColumns.length; i++) {
namesOfModifiedColumns[i] = columnsNameList.get(indexesOfModifiedColumns[i]);
}
List namesOfModifiedList = Arrays.asList(namesOfModifiedColumns);
namesOfModifiedList.sort(columnLetterCase);
// Compare each list
Iterator namesIterator = namesList.iterator();
Iterator namesOfModifiedIterator = namesOfModifiedList.iterator();
while (namesIterator.hasNext() && namesOfModifiedIterator.hasNext()) {
String name = namesIterator.next();
String nameOfModified = namesOfModifiedIterator.next();
if (!columnLetterCase.isEqual(name, nameOfModified)) {
throw failures.failure(info, shouldHaveModifications(namesOfModifiedColumns, names));
}
}
if (namesIterator.hasNext() || namesOfModifiedIterator.hasNext()) {
throw failures.failure(info, shouldHaveModifications(namesOfModifiedColumns, names));
}
return assertion;
}
}