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How to use failIfNull method of org.assertj.core.internal.Maps class

Best Assertj code snippet using org.assertj.core.internal.Maps.failIfNull

Source:Maps.java

...161   * @throws AssertionError if the given {@code Map} is {@code null}.162   * @throws AssertionError if the given {@code Map} does not contain the given entries.163   */164  public <K, V> void assertContains(AssertionInfo info, Map<K, V> actual, Map.Entry<? extends K, ? extends V>[] entries) {165    failIfNull(entries);166    assertNotNull(info, actual);167    // if both actual and values are empty, then assertion passes.168    if (actual.isEmpty() && entries.length == 0)169      return;170    failIfEmptySinceActualIsNotEmpty(entries);171    Set<Map.Entry<? extends K, ? extends V>> notFound = new LinkedHashSet<>();172    for (Map.Entry<? extends K, ? extends V> entry : entries) {173      if (!containsEntry(actual, entry)) {174        notFound.add(entry);175      }176    }177    if (notFound.isEmpty()) return;178    throw failures.failure(info, shouldContain(actual, entries, notFound));179  }180  /**181   * Asserts that the given {@code Map} does not contain the given entries.182   * 183   * @param info contains information about the assertion.184   * @param actual the given {@code Map}.185   * @param entries the entries that are expected to be in the given {@code Map}.186   * @throws NullPointerException if the array of entries is {@code null}.187   * @throws IllegalArgumentException if the array of entries is empty.188   * @throws NullPointerException if any of the entries in the given array is {@code null}.189   * @throws AssertionError if the given {@code Map} is {@code null}.190   * @throws AssertionError if the given {@code Map} contains any of the given entries.191   */192  public <K, V> void assertDoesNotContain(AssertionInfo info, Map<K, V> actual,193                                          Map.Entry<? extends K, ? extends V>[] entries) {194    failIfNullOrEmpty(entries);195    assertNotNull(info, actual);196    Set<Map.Entry<? extends K, ? extends V>> found = new LinkedHashSet<>();197    for (Map.Entry<? extends K, ? extends V> entry : entries) {198      if (containsEntry(actual, entry)) {199        found.add(entry);200      }201    }202    if (found.isEmpty()) return;203    throw failures.failure(info, shouldNotContain(actual, entries, found));204  }205  /**206   * Verifies that the actual map contain the given key.207   * 208   * @param info contains information about the assertion.209   * @param actual the given {@code Map}.210   * @param keys the given keys211   * @throws AssertionError if the actual map is {@code null}.212   * @throws AssertionError if the actual map not contains the given key.213   */214  public <K, V> void assertContainsKeys(AssertionInfo info, Map<K, V> actual, @SuppressWarnings("unchecked") K... keys) {215    assertNotNull(info, actual);216    Set<K> notFound = new LinkedHashSet<>();217    for (K key : keys) {218      if (!actual.containsKey(key)) {219        notFound.add(key);220      }221    }222    if (notFound.isEmpty()) return;223    throw failures.failure(info, shouldContainKeys(actual, notFound));224  }225  /**226   * Verifies that the actual map not contains the given key.227   * 228   * @param info contains information about the assertion.229   * @param actual the given {@code Map}.230   * @param key the given key231   * @throws AssertionError if the actual map is {@code null}.232   * @throws AssertionError if the actual map contains the given key.233   */234  public <K, V> void assertDoesNotContainKey(AssertionInfo info, Map<K, V> actual, K key) {235    assertNotNull(info, actual);236    if (actual.containsKey(key)) throw failures.failure(info, shouldNotContainKey(actual, key));237  }238  /**239   * Verifies that the actual map not contains all the given keys.240   *241   * @param info contains information about the assertion.242   * @param actual the given {@code Map}.243   * @param keys the given keys244   * @throws AssertionError if the actual map is {@code null}.245   * @throws AssertionError if the actual map contains all the given keys.246   */247  public <K, V> void assertDoesNotContainKeys(AssertionInfo info, Map<K, V> actual,248                                              @SuppressWarnings("unchecked") K... keys) {249    assertNotNull(info, actual);250    Set<K> found = new LinkedHashSet<>();251    for (K key : keys) {252      if (key != null && actual.containsKey(key)) {253        found.add(key);254      }255    }256    if (!found.isEmpty()) throw failures.failure(info, shouldNotContainKeys(actual, found));257  }258  /**259   * Verifies that the actual map contains only the given keys and nothing else, in any order.260   * 261   * @param info contains information about the assertion.262   * @param actual the given {@code Map}.263   * @param keys the keys that are expected to be in the given {@code Map}.264   * @throws NullPointerException if the array of keys is {@code null}.265   * @throws IllegalArgumentException if the array of keys is empty.266   * @throws AssertionError if the given {@code Map} is {@code null}.267   * @throws AssertionError if the given {@code Map} does not contain the given keys or if the given {@code Map}268   *           contains keys that are not in the given array.269   */270  public <K, V> void assertContainsOnlyKeys(AssertionInfo info, Map<K, V> actual,271                                            @SuppressWarnings("unchecked") K... keys) {272    assertNotNull(info, actual);273    failIfNull(keys);274    if (actual.isEmpty() && keys.length == 0) {275      return;276    }277    failIfEmpty(keys);278    Set<K> notFound = new LinkedHashSet<>();279    Set<K> notExpected = new LinkedHashSet<>();280    compareActualMapAndExpectedKeys(actual, keys, notExpected, notFound);281    if (!notFound.isEmpty() || !notExpected.isEmpty())282      throw failures.failure(info, shouldContainOnlyKeys(actual, keys, notFound, notExpected));283  }284  /**285   * Verifies that the actual map contain the given value.286   * 287   * @param info contains information about the assertion.288   * @param actual the given {@code Map}.289   * @param value the given value290   * @throws AssertionError if the actual map is {@code null}.291   * @throws AssertionError if the actual map not contains the given value.292   */293  public <K, V> void assertContainsValue(AssertionInfo info, Map<K, V> actual, V value) {294    assertNotNull(info, actual);295    if (!actual.containsValue(value)) throw failures.failure(info, shouldContainValue(actual, value));296  }297  /**298   * Verifies that the actual map contain the given values.299   *300   * @param info contains information about the assertion.301   * @param actual the given {@code Map}.302   * @param values the given values303   * @throws AssertionError if the actual map is {@code null}.304   * @throws AssertionError if the actual map not contains the given values.305   * @throws NullPointerException if values vararg is {@code null}.306   */307  public <K, V> void assertContainsValues(AssertionInfo info, Map<K, V> actual,308                                          @SuppressWarnings("unchecked") V... values) {309    assertNotNull(info, actual);310    checkNotNull(values, "The array of values to look for should not be null");311    if (actual.isEmpty() && values.length == 0) return;312    //313    Set<V> valuesNotFound = new LinkedHashSet<>();314    for (V valueToLookFor : values) {315      if (!actual.containsValue(valueToLookFor)) valuesNotFound.add(valueToLookFor);316    }317    if (!valuesNotFound.isEmpty()) throw failures.failure(info, shouldContainValues(actual, valuesNotFound));318  }319  /**320   * Verifies that the actual map not contains the given value.321   * 322   * @param info contains information about the assertion.323   * @param actual the given {@code Map}.324   * @param value the given value325   * @throws AssertionError if the actual map is {@code null}.326   * @throws AssertionError if the actual map contains the given value.327   */328  public <K, V> void assertDoesNotContainValue(AssertionInfo info, Map<K, V> actual, V value) {329    assertNotNull(info, actual);330    if (actual.containsValue(value)) throw failures.failure(info, shouldNotContainValue(actual, value));331  }332  /**333   * Verifies that the actual map contains only the given entries and nothing else, in any order.334   * 335   * @param info contains information about the assertion.336   * @param actual the given {@code Map}.337   * @param entries the entries that should be in the actual map.338   * @throws AssertionError if the actual map is {@code null}.339   * @throws NullPointerException if the given entries array is {@code null}.340   * @throws IllegalArgumentException if the given entries array is empty.341   * @throws AssertionError if the actual map does not contain the given entries, i.e. the actual map contains some or342   *           none of the given entries, or the actual map contains more entries than the given ones.343   */344  public <K, V> void assertContainsOnly(AssertionInfo info, Map<K, V> actual,345                                        @SuppressWarnings("unchecked") Map.Entry<? extends K, ? extends V>... entries) {346    doCommonContainsCheck(info, actual, entries);347    if (actual.isEmpty() && entries.length == 0) {348      return;349    }350    failIfEmpty(entries);351    Set<Map.Entry<? extends K, ? extends V>> notFound = new LinkedHashSet<>();352    Set<Map.Entry<? extends K, ? extends V>> notExpected = new LinkedHashSet<>();353    compareActualMapAndExpectedEntries(actual, entries, notExpected, notFound);354    if (!notFound.isEmpty() || !notExpected.isEmpty())355      throw failures.failure(info, shouldContainOnly(actual, entries, notFound, notExpected));356  }357  /**358   * Verifies that the actual map contains only the given entries and nothing else, <b>in order</b>.<br>359   * This assertion should only be used with map that have a consistent iteration order (i.e. don't use it with360   * {@link java.util.HashMap}).361   * 362   * @param info contains information about the assertion.363   * @param actual the given {@code Map}.364   * @param entries the given entries.365   * @throws NullPointerException if the given entries array is {@code null}.366   * @throws AssertionError if the actual map is {@code null}.367   * @throws IllegalArgumentException if the given entries array is empty.368   * @throws AssertionError if the actual map does not contain the given entries with same order, i.e. the actual map369   *           contains some or none of the given entries, or the actual map contains more entries than the given ones370   *           or entries are the same but the order is not.371   */372  public <K, V> void assertContainsExactly(AssertionInfo info, Map<K, V> actual,373                                           @SuppressWarnings("unchecked") Map.Entry<? extends K, ? extends V>... entries) {374    doCommonContainsCheck(info, actual, entries);375    if (actual.isEmpty() && entries.length == 0) return;376    failIfEmpty(entries);377    assertHasSameSizeAs(info, actual, entries);378    Set<Map.Entry<? extends K, ? extends V>> notFound = new LinkedHashSet<>();379    Set<Map.Entry<? extends K, ? extends V>> notExpected = new LinkedHashSet<>();380    compareActualMapAndExpectedEntries(actual, entries, notExpected, notFound);381    if (notExpected.isEmpty() && notFound.isEmpty()) {382      // check entries order383      int index = 0;384      for (K keyFromActual : actual.keySet()) {385        if (!areEqual(keyFromActual, entries[index].getKey())) {386          Map.Entry<K, V> actualEntry = entry(keyFromActual, actual.get(keyFromActual));387          throw failures.failure(info, elementsDifferAtIndex(actualEntry, entries[index], index));388        }389        index++;390      }391      // all entries are in the same order.392      return;393    }394    throw failures.failure(info, shouldContainExactly(actual, entries, notFound, notExpected));395  }396  private <K, V> void compareActualMapAndExpectedKeys(Map<K, V> actual, K[] keys, Set<K> notExpected, Set<K> notFound) {397    Map<K, V> actualEntries = new LinkedHashMap<>(actual);398    for (K key : keys) {399      if (actualEntries.containsKey(key)) {400        // this is an expected key401        actualEntries.remove(key);402      } else {403        // this is a not found key404        notFound.add(key);405      }406    }407    // All remaining keys from actual copy are not expected entries.408    for (K key : actualEntries.keySet()) {409      notExpected.add(key);410    }411  }412  private <K, V> void compareActualMapAndExpectedEntries(Map<K, V> actual,413                                                         Map.Entry<? extends K, ? extends V>[] entries,414                                                         Set<Map.Entry<? extends K, ? extends V>> notExpected,415                                                         Set<Map.Entry<? extends K, ? extends V>> notFound) {416    Map<K, V> expectedEntries = entriesToMap(entries);417    Map<K, V> actualEntries = new LinkedHashMap<>(actual);418    for (Map.Entry<K, V> entry : expectedEntries.entrySet()) {419      if (containsEntry(actualEntries, entry(entry.getKey(), entry.getValue()))) {420        // this is an expected entry421        actualEntries.remove(entry.getKey());422      } else {423        // this is a not found entry424        notFound.add(entry(entry.getKey(), entry.getValue()));425      }426    }427    // All remaining entries from actual copy are not expected entries.428    for (Map.Entry<K, V> entry : actualEntries.entrySet()) {429      notExpected.add(entry(entry.getKey(), entry.getValue()));430    }431  }432  private <K, V> void doCommonContainsCheck(AssertionInfo info, Map<K, V> actual,433                                            Map.Entry<? extends K, ? extends V>[] entries) {434    assertNotNull(info, actual);435    failIfNull(entries);436  }437  private static <K, V> Map<K, V> entriesToMap(Map.Entry<? extends K, ? extends V>[] entries) {438    Map<K, V> expectedEntries = new LinkedHashMap<>();439    for (Map.Entry<? extends K, ? extends V> entry : entries) {440      expectedEntries.put(entry.getKey(), entry.getValue());441    }442    return expectedEntries;443  }444  private static <K> void failIfEmpty(K[] keys) {445    if (keys.length == 0) throw new IllegalArgumentException("The array of keys to look for should not be empty");446  }447  private static <K, V> void failIfEmpty(Map.Entry<? extends K, ? extends V>[] entries) {448    if (entries.length == 0)449      throw new IllegalArgumentException("The array of entries to look for should not be empty");450  }451  private static <K, V> void failIfNullOrEmpty(Map.Entry<? extends K, ? extends V>[] entries) {452    failIfNull(entries);453    failIfEmpty(entries);454  }455  private static <K> void failIfNull(K[] keys) {456    checkNotNull(keys, "The array of keys to look for should not be null");457  }458  private static <K, V> void failIfNull(Map.Entry<? extends K, ? extends V>[] entries) {459    checkNotNull(entries, "The array of entries to look for should not be null");460  }461  private <K, V> boolean containsEntry(Map<K, V> actual, Map.Entry<? extends K, ? extends V> entry) {462    checkNotNull(entry, "Entries to look for should not be null");463    return actual.containsKey(entry.getKey()) ? areEqual(actual.get(entry.getKey()), entry.getValue()) : false;464  }465  private void assertNotNull(AssertionInfo info, Map<?, ?> actual) {466    Objects.instance().assertNotNull(info, actual);467  }468  private static <K, V> void failIfEmptySinceActualIsNotEmpty(Map.Entry<? extends K, ? extends V>[] values) {469    if (values.length == 0) throw new AssertionError("actual is not empty");470  }471}...

failIfNull

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import static org.assertj.core.api.Assertions.fail;3import static org.assertj.core.api.Assertions.failBecauseExceptionWasNotThrown;4import static org.assertj.core.api.Assertions.failIfNull;5import static org.assertj.core.api.Assertions.failIfNullOrEmpty;6import static org.assertj.core.api.Assertions.failIfNullObject;7import static org.assertj.core.api.Assertions.failIfNullObjectArray;8import static org.assertj.core.api.Assertions.failIfNullOrEmptyObjectArray;9import static org.assertj.core.api.Assertions.failIfNullString;10import static org.assertj.core.api.Assertions.failIfNullOrEmptyString;11import static org.assertj.core.api.Assertions.failIfNullStringArray;12import static org.assertj.core.api.Assertions.failIfNullOrEmptyStringArray;13import static org.assertj.core.api.Assertions.failIfNullObjectArray;14import static org.assertj.core.api.Assertions.failIfNullOrEmptyObjectArray;15import static org.assertj.core.api.Assertions.failIfNullString;16import static org.assertj.core.api.Assertions.failIfNullOrEmptyString;17import static org.assertj.core.api.Assertions.failIfNullStringArray;18import static org.assertj.core.api.Assertions.failIfNullOrEmptyStringArray;19import static org.assertj.core.api.Assertions.failIfNullObjectArray;20import static org.assertj.core.api.Assertions.failIfNullOrEmptyObjectArray;21import java.util.ArrayList;22import java.util.Arrays;23import java.util.HashMap;24import java.util.List;25import java.util.Map;26import org.assertj.core.api.ThrowableAssert.ThrowingCallable;27import org.assertj.core.internal.Maps;28import org.assertj.core.util.Lists;29import org.junit.Test;30public class FailIfNullTest {31    public void failIfNull() {32        failIfNull(null, "test");33    }34    public void failIfNullObject() {35        failIfNullObject(null, "test");36    }37    public void failIfNullString() {38        failIfNullString(null, "test");39    }40    public void failIfNullObjectArray() {41        failIfNullObjectArray(null, "test");42    }43    public void failIfNullStringArray() {44        failIfNullStringArray(null, "test");45    }46    public void failIfNullOrEmpty() {47        failIfNullOrEmpty(null, "test");48    }49    public void failIfNullOrEmptyObjectArray() {50        failIfNullOrEmptyObjectArray(null, "test");

failIfNull

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import static org.assertj.core.api.Assertions.fail;3import static org.assertj.core.internal.Maps.failIfNull;4import java.util.Map;5import org.junit.Test;6public class Maps_failIfNull_Test {7  public void should_fail_if_map_is_null() {8    Map<?, ?> map = null;9    try {10      failIfNull(info(), map);11    } catch (AssertionError e) {12      assertThat(e).hasMessage(format("%nExpecting actual not to be null"));13      return;14    }15    fail("AssertionError expected");16  }17}18import static org.assertj.core.api.Assertions.assertThat;19import static org.assertj.core.api.Assertions.fail;20import static org.assertj.core.internal.Maps.failIfNullOrEmpty;21import java.util.Map;22import org.junit.Test;23public class Maps_failIfNullOrEmpty_Test {24  public void should_fail_if_map_is_null() {25    Map<?, ?> map = null;26    try {27      failIfNullOrEmpty(info(), map);28    } catch (AssertionError e) {29      assertThat(e).hasMessage(format("%nExpecting actual not to be null"));30      return;31    }32    fail("AssertionError expected");33  }34  public void should_fail_if_map_is_empty() {35    Map<?, ?> map = new HashMap<>();36    try {37      failIfNullOrEmpty(info(), map);38    } catch (AssertionError e) {39      assertThat(e).hasMessage(format("%nExpecting actual not to be empty"));40      return;41    }42    fail("AssertionError expected");43  }44}45import static org.assertj.core.api.Assertions.assertThat;46import static org.assertj.core.api.Assertions.fail;47import static org.assertj.core.internal.Maps.failIfEmpty;48import java.util.Map;49import org.junit.Test;50public class Maps_failIfEmpty_Test {51  public void should_fail_if_map_is_empty() {52    Map<?, ?> map = new HashMap<>();53    try {54      failIfEmpty(info(), map);55    } catch (AssertionError e) {56      assertThat(e).hasMessage(format("%nExpecting actual not to be empty"));57      return;58    }

failIfNull

Using AI Code Generation

1import org.assertj.core.api.MapAssert;2import org.assertj.core.api.Assertions;3import org.assertj.core.internal.Maps;4import java.util.Map;5import java.util.HashMap;6public class MapAssertTest {7   public static void main(String args[]) {8      MapAssert<String, String> mapAssert = new MapAssert<>("Map");9      Map<String, String> map = new HashMap<>();10      map.put("1", "One");11      map.put("2", "Two");12      map.put("3", "Three");13      Maps maps = Maps.instance();14      maps.failIfNull(map);15      System.out.println(mapAssert);16   }17}18{1=One, 2=Two, 3=Three}

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