org.assertj.guava.api.TableAssert Maven / Gradle / Ivy
/*
* 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 2012-2018 the original author or authors.
*/
package org.assertj.guava.api;
import static com.google.common.base.Preconditions.checkArgument;
import static org.assertj.guava.error.ShouldContainValues.shouldContainValues;
import static org.assertj.guava.error.ShouldHaveSize.shouldHaveSize;
import static org.assertj.guava.error.TableShouldContainCell.tableShouldContainCell;
import static org.assertj.guava.error.TableShouldContainColumns.tableShouldContainColumns;
import static org.assertj.guava.error.TableShouldContainRows.tableShouldContainRows;
import static org.assertj.guava.error.TableShouldHaveColumnCount.tableShouldHaveColumnCount;
import static org.assertj.guava.error.TableShouldHaveRowCount.tableShouldHaveRowCount;
import java.util.Set;
import org.assertj.core.api.AbstractAssert;
import org.assertj.core.error.ShouldBeEmpty;
import org.assertj.core.internal.Failures;
import org.assertj.core.internal.Objects;
import org.assertj.core.util.VisibleForTesting;
import com.google.common.collect.Sets;
import com.google.common.collect.Table;
/**
* @author Jan Gorman
*/
public class TableAssert extends AbstractAssert, Table> {
@VisibleForTesting
Failures failures = Failures.instance();
protected TableAssert(Table actual) {
super(actual, TableAssert.class);
}
/**
* Verifies that the actual {@link Table} has the expected number of rows.
*
*
* Example :
*
*
Table <Integer, Integer, String> actual = HashBasedTable.create();
*
* actual.put(1, 3, "Millard Fillmore");
* actual.put(1, 4, "Franklin Pierce");
* actual.put(2, 5, "Grover Cleveland");
*
* assertThat(actual).hasRowCount(2);
*
* @param expectedSize The columns to look for in the actual {@link Table}
* @return this {@link TableAssert} for assertion chaining.
* @throws IllegalArgumentException if the expected size is negative
* @throws AssertionError if the actual {@link Table} is {@code null}.
* @throws AssertionError if the actual {@link Table} does not have the expected row size.
*/
public TableAssert hasRowCount(int expectedSize) {
Objects.instance().assertNotNull(info, actual);
checkExpectedSizeArgument(expectedSize);
if (actual.rowKeySet().size() != expectedSize) {
throw failures.failure(info, tableShouldHaveRowCount(actual, actual.rowKeySet().size(), expectedSize));
}
return myself;
}
/**
* Verifies that the actual {@link Table} has the expected number of columns.
*
*
* Example :
*
*
Table<Integer, Integer, String> actual = HashBasedTable.create();
*
* actual.put(1, 3, "Millard Fillmore");
* actual.put(1, 4, "Franklin Pierce");
* actual.put(2, 5, "Grover Cleveland");
*
* assertThat(actual).hasColumnCount(3);
*
* @param expectedSize The columns to look for in the actual {@link Table}
* @return this {@link TableAssert} for assertion chaining.
* @throws IllegalArgumentException if the expected size is negative
* @throws AssertionError if the actual {@link Table} is {@code null}.
* @throws AssertionError if the actual {@link Table} does not have the expected column size.
*/
public TableAssert hasColumnCount(int expectedSize) {
Objects.instance().assertNotNull(info, actual);
checkExpectedSizeArgument(expectedSize);
if (actual.columnKeySet().size() != expectedSize) {
throw failures.failure(info, tableShouldHaveColumnCount(actual, actual.columnKeySet().size(), expectedSize));
}
return myself;
}
/**
* Verifies that the actual {@link Table} has the expected number of cells.
*
*
* Example :
*
*
Table<Integer, Integer, String> actual = HashBasedTable.create();
*
* actual.put(1, 3, "Millard Fillmore");
* actual.put(1, 4, "Franklin Pierce");
* actual.put(2, 5, "Grover Cleveland");
*
* assertThat(actual).hasSize(3);
*
* @param expectedSize The columns to look for in the actual {@link Table}
* @return this {@link TableAssert} for assertion chaining.
* @throws IllegalArgumentException if the expected size is negative
* @throws AssertionError if the actual {@link Table} is {@code null}.
* @throws AssertionError if the actual {@link Table} does not have the expected number of cells.
*/
public TableAssert hasSize(int expectedSize) {
Objects.instance().assertNotNull(info, actual);
checkExpectedSizeArgument(expectedSize);
if (actual.size() != expectedSize) {
throw failures.failure(info, shouldHaveSize(actual, actual.size(), expectedSize));
}
return myself;
}
/**
* Verifies that the actual {@link Table} contains the given rows.
*
*
* Example :
*
*
Table<Integer, Integer, String> actual = HashBasedTable.create();
*
* actual.put(1, 3, "Millard Fillmore");
* actual.put(1, 4, "Franklin Pierce");
* actual.put(2, 5, "Grover Cleveland");
*
* assertThat(actual).containsRows(1, 2);
*
* @param rows The columns to look for in the actual {@link Table}
* @return this {@link TableAssert} for assertion chaining.
* @throws IllegalArgumentException if no param rows have been set.
* @throws AssertionError if the actual {@link Table} is {@code null}.
* @throws AssertionError if the actual {@link Table} does not contain the given rows.
*/
public TableAssert containsRows(@SuppressWarnings("unchecked") R... rows) {
Objects.instance().assertNotNull(info, actual);
checkArgument(rows != null, "The rows to look for should not be null.");
checkArgument(rows.length > 0, "The rows to look for should not be empty.");
Set rowsNotFound = Sets.newHashSet();
for (R row : rows) {
if (!actual.containsRow(row)) {
rowsNotFound.add(row);
}
}
if (!rowsNotFound.isEmpty()) {
throw failures.failure(info, tableShouldContainRows(actual, rows, rowsNotFound));
}
return myself;
}
/**
* Verifies that the actual {@link Table} contains the given columns.
*
*
* Example :
*
*
Table<Integer, Integer, String> actual = HashBasedTable.create();
*
* actual.put(1, 3, "Millard Fillmore");
* actual.put(1, 4, "Franklin Pierce");
* actual.put(2, 5, "Grover Cleveland");
*
* assertThat(actual).containsColumns(3, 4);
*
* @param columns The columns to look for in the actual {@link Table}
* @return this {@link TableAssert} for assertion chaining.
* @throws IllegalArgumentException if no param columns have been set.
* @throws AssertionError if the actual {@link Table} is {@code null}.
* @throws AssertionError if the actual {@link Table} does not contain the given columns.
*/
public TableAssert containsColumns(@SuppressWarnings("unchecked") C... columns) {
Objects.instance().assertNotNull(info, actual);
checkArgument(columns != null, "The columns to look for should not be null.");
checkArgument(columns.length > 0, "The columns to look for should not be empty.");
Set columnsNotFound = Sets.newHashSet();
for (C column : columns) {
if (!actual.containsColumn(column)) {
columnsNotFound.add(column);
}
}
if (!columnsNotFound.isEmpty()) {
throw failures.failure(info, tableShouldContainColumns(actual, columns, columnsNotFound));
}
return myself;
}
/**
* Verifies that the actual {@link Table} contains the given values for any key.
*
*
* Example :
*
*
Table<Integer, Integer, String> actual = HashBasedTable.create();
*
* actual.put(1, 3, "Millard Fillmore");
* actual.put(1, 4, "Franklin Pierce");
* actual.put(2, 5, "Grover Cleveland");
*
* assertThat(actual).containsValues("Franklin Pierce", "Millard Fillmore");
*
* @param values The values to look for in the actual {@link Table}
* @return this {@link TableAssert} for assertion chaining.
* @throws IllegalArgumentException if no param values have been set.
* @throws AssertionError if the actual {@link Table} is {@code null}.
* @throws AssertionError if the actual {@link Table} does not contain the given values.
*/
public TableAssert containsValues(@SuppressWarnings("unchecked") V... values) {
Objects.instance().assertNotNull(info, actual);
checkArgument(values != null, "The values to look for should not be null.");
checkArgument(values.length > 0, "The values to look for should not be empty.");
Set valuesNotFound = Sets.newHashSet();
for (V value : values) {
if (!actual.containsValue(value)) {
valuesNotFound.add(value);
}
}
if (!valuesNotFound.isEmpty()) {
throw failures.failure(info, shouldContainValues(actual, values, valuesNotFound));
}
return myself;
}
/**
* Verifies that the actual {@link Table} contains the mapping of row/column to value.
*
*
* Example :
*
*
Table<Integer, Integer, String> actual = HashBasedTable.create();
*
* actual.put(1, 3, "Millard Fillmore");
* actual.put(1, 4, "Franklin Pierce");
* actual.put(2, 5, "Grover Cleveland");
*
* assertThat(actual).containsCell(1, 3, "Millard Fillmore");
*
* @param row The row key to lookup in the actual {@link Table}
* @param column The column key to lookup in the actual {@link Table}
* @param expectedValue The value to look for in the actual {@link Table}
* @return this {@link TableAssert} for assertion chaining.
* @throws AssertionError if the actual {@link Table} is {@code null}.
* @throws AssertionError if the row key is {@code null}.
* @throws AssertionError if the column key is {@code null}.
* @throws AssertionError if the expected value is {@code null}.
*/
public TableAssert containsCell(R row, C column, V expectedValue) {
Objects.instance().assertNotNull(info, actual);
checkArgument(row != null, "The row to look for should not be null.");
checkArgument(column != null, "The column to look for should not be null.");
checkArgument(expectedValue != null, "The value to look for should not be null.");
V actualValue = actual.get(row, column);
if (!expectedValue.equals(actualValue)) {
throw failures.failure(info, tableShouldContainCell(actual, row, column, expectedValue, actualValue));
}
return myself;
}
/**
* Verifies that the actual {@link Table} is empty.
*
*
* Example :
*
*
Table<Integer, Integer, String> actual = HashBasedTable.create();
*
* assertThat(actual).isEmpty();
*
* @throws AssertionError if the actual {@link Table} is {@code null}.
* @throws AssertionError if the actual {@link Table} is not empty.
*/
public void isEmpty() {
Objects.instance().assertNotNull(info, actual);
if (!actual.isEmpty()) {
throw failures.failure(info, ShouldBeEmpty.shouldBeEmpty(actual));
}
}
private void checkExpectedSizeArgument(int expectedSize) {
checkArgument(expectedSize >= 0, "The expected size should not be negative.");
}
}