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How to use specification method of org.assertj.core.api.AbstractIterableAssert class

Best Assertj code snippet using org.assertj.core.api.AbstractIterableAssert.specification

Source:AbstractIterableAssert.java

...992   * Extract the result of given method invocation on the Iterable's elements under test into a new Iterable, this new993   * Iterable becoming the Iterable under test.994   * <p>995   * It allows you to test the method results of the Iterable's elements instead of testing the elements themselves. This996   * is especially useful for classes that do not conform to the Java Bean's getter specification (i.e. public String997   * toString() or public String status() instead of public String getStatus()).998   * <p>999   * Let's take a look at an example to make things clearer:1000   * <pre><code class='java'> // Build an array of WesterosHouse, a WesterosHouse has a method: public String sayTheWords()1001   *1002   * List&lt;WesterosHouse&gt; greatHouses = new ArrayList&lt;WesterosHouse&gt;();1003   * greatHouses.add(new WesterosHouse(&quot;Stark&quot;, &quot;Winter is Coming&quot;));1004   * greatHouses.add(new WesterosHouse(&quot;Lannister&quot;, &quot;Hear Me Roar!&quot;));1005   * greatHouses.add(new WesterosHouse(&quot;Greyjoy&quot;, &quot;We Do Not Sow&quot;));1006   * greatHouses.add(new WesterosHouse(&quot;Baratheon&quot;, &quot;Our is the Fury&quot;));1007   * greatHouses.add(new WesterosHouse(&quot;Martell&quot;, &quot;Unbowed, Unbent, Unbroken&quot;));1008   * greatHouses.add(new WesterosHouse(&quot;Tyrell&quot;, &quot;Growing Strong&quot;));1009   *1010   * // let's verify the words of the great houses of Westeros:1011   * assertThat(greatHouses).extractingResultOf(&quot;sayTheWords&quot;)1012   *                        .contains(&quot;Winter is Coming&quot;, &quot;We Do Not Sow&quot;, &quot;Hear Me Roar&quot;)1013   *                        .doesNotContain(&quot;Lannisters always pay their debts&quot;);</code></pre>1014   *1015   * Following requirements have to be met to extract method results:1016   * <ul>1017   * <li>method has to be public,</li>1018   * <li>method cannot accept any arguments,</li>1019   * <li>method cannot return void.</li>1020   * </ul>1021   * <p>1022   * Note that the order of extracted results is consistent with the iteration order of the Iterable under test, for1023   * example if it's a {@link HashSet}, you won't be able to make any assumptions on the extracted results order.1024   *1025   * @param method the name of the method which result is to be extracted from the array under test1026   * @return a new assertion object whose object under test is the Iterable of extracted values.1027   * @throws IllegalArgumentException if no method exists with the given name, or method is not public, or method does1028   *           return void, or method accepts arguments.1029   */1030  @CheckReturnValue1031  public AbstractListAssert<?, List<? extends Object>, Object, ObjectAssert<Object>> extractingResultOf(String method) {1032    // can't refactor by calling extractingResultOf(method, Object.class) as SoftAssertion would fail1033    List<Object> values = FieldsOrPropertiesExtractor.extract(actual, resultOf(method));1034    String extractedDescription = extractedDescriptionOfMethod(method);1035    String description = mostRelevantDescription(info.description(), extractedDescription);1036    return newListAssertInstanceForMethodsChangingElementType(values).as(description);1037  }1038  /**1039   * Extract the result of given method invocation on the Iterable's elements under test into a new list of the given1040   * class, this new List becoming the object under test.1041   * <p>1042   * It allows you to test the method results of the Iterable's elements instead of testing the elements themselves, it1043   * is especially useful for classes that do not conform to the Java Bean's getter specification (i.e. public String1044   * toString() or public String status() instead of public String getStatus()).1045   * <p>1046   * Let's take an example to make things clearer:1047   * <pre><code class='java'> // Build an array of WesterosHouse, a WesterosHouse has a method: public String sayTheWords()1048   * List&lt;WesterosHouse&gt; greatHouses = new ArrayList&lt;WesterosHouse&gt;();1049   * greatHouses.add(new WesterosHouse(&quot;Stark&quot;, &quot;Winter is Coming&quot;));1050   * greatHouses.add(new WesterosHouse(&quot;Lannister&quot;, &quot;Hear Me Roar!&quot;));1051   * greatHouses.add(new WesterosHouse(&quot;Greyjoy&quot;, &quot;We Do Not Sow&quot;));1052   * greatHouses.add(new WesterosHouse(&quot;Baratheon&quot;, &quot;Our is the Fury&quot;));1053   * greatHouses.add(new WesterosHouse(&quot;Martell&quot;, &quot;Unbowed, Unbent, Unbroken&quot;));1054   * greatHouses.add(new WesterosHouse(&quot;Tyrell&quot;, &quot;Growing Strong&quot;));1055   *1056   * // let's verify the words of the great houses of Westeros:1057   * assertThat(greatHouses).extractingResultOf(&quot;sayTheWords&quot;, String.class)...

specification

Using AI Code Generation

1assertThat(employees).usingElementComparatorOnFields("name", "age").containsOnly(2  new Employee("John", 30),3  new Employee("Jane", 35)4);5assertThat(employees).usingElementComparatorIgnoringFields("id").containsOnly(6  new Employee(1L, "John", 30),7  new Employee(2L, "Jane", 35)8);9assertThat(employees).usingElementComparatorIgnoringFields("id", "name").containsOnly(10  new Employee(1L, "John", 30),11  new Employee(2L, "Jane", 35)12);13assertThat(employees).usingElementComparatorIgnoringFields("id").containsOnly(14  new Employee(1L, "John", 30),15  new Employee(2L, "Jane", 35)16);17assertThat(employees).usingElementComparatorIgnoringFields("id", "name").containsOnly(18  new Employee(1L, "John", 30),19  new Employee(2L, "Jane", 35)20);21assertThat(employees).usingElementComparatorIgnoringFields("id").containsOnly(22  new Employee(1L, "John", 30),23  new Employee(2L, "Jane", 35)24);25assertThat(employees).usingElementComparatorIgnoringFields("id", "name").containsOnly(26  new Employee(1L, "John", 30),27  new Employee(2L, "Jane", 35)28);29assertThat(employees).usingElementComparatorIgnoringFields("id").containsOnly(30  new Employee(1L, "John", 30),31  new Employee(2L, "Jane", 35)32);33assertThat(employees).usingElementComparatorIgnoringFields("id", "name").containsOnly(34  new Employee(1L, "John", 30),35  new Employee(2L, "Jane", 35)36);37assertThat(employees).usingElementComparatorIgnoringFields("id").containsOnly(38  new Employee(1L, "John", 30),39  new Employee(2L, "Jane", 35)40);41assertThat(employees).usingElementComparatorIgnoringFields("id", "name").containsOnly(42  new Employee(1L, "John", 30),43  new Employee(2L, "Jane", 35)44);45assertThat(employees).usingElementComparatorIgnoringFields("id").containsOnly

specification

Using AI Code Generation

1public AbstractIterableAssert(S actual,2protected A returnThis()3protected A newAssertionInstance(S actual)4protected A newAssertionInstance(S actual,5protected A newAssertionInstance(S actual,6protected A newAssertionInstance(S actual,7protected A newAssertionInstance(S actual,8protected A newAssertionInstance(S actual,9protected A newAssertionInstance(S actual,10protected A newAssertionInstance(S actual,11protected A newAssertionInstance(S actual,12protected A newAssertionInstance(S actual,13protected A newAssertionInstance(S actual,14protected A newAssertionInstance(S actual,15protected A newAssertionInstance(S actual,16protected A newAssertionInstance(S

specification

Using AI Code Generation

1public class AssertJTest {2    public void testAssertJ() {3        List<Integer> actual = Arrays.asList(1, 2, 3, 4, 5);4        List<Integer> expected = Arrays.asList(1, 2, 3, 4, 5);5        assertThat(actual).containsExactlyElementsOf(expected);6    }7}

specification

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import java.util.ArrayList;3import java.util.List;4public class AssertJTest {5    public static void main(String[] args) {6        List<String> list = new ArrayList<>();7        list.add("One");8        list.add("Two");9        list.add("Three");10        list.add("Four");11        list.add("Five");12        assertThat(list)13                .hasSize(5)14                .contains("One", "Two")15                .doesNotContain("Six")16                .allMatch(s -> s.length() > 2)17                .noneMatch(s -> s.length() > 5);18    }19}20Assertion Description allMatch(Predicate<? super ELEMENT> predicate) verifies that all elements of the actual iterable satisfy the given predicate. anyMatch(Predicate<? super ELEMENT> predicate) verifies that at least one element of the actual iterable satisfies the given predicate. contains(Object... values) verifies that the actual iterable contains the given values, in any order. containsOnly(Object... values) verifies that the actual iterable contains only the given values and nothing else, in any order. containsOnlyElementsOf(Iterable<?> iterable) verifies that the actual iterable contains only the elements of the given iterable and nothing else, in any order. containsOnlyOnce(Object... values) verifies that the actual iterable contains only the given values and nothing else, and each value appears exactly once. containsSequence(Object... sequence) verifies that the actual iterable contains the given sequence, without any other values between them. containsSubsequence(Object... subsequence) verifies that the actual iterable contains the given subsequence, with any other values between them. containsExactly(Object... values) verifies that the actual iterable contains exactly the given values and nothing else, with elements in the same order. containsExactlyElementsOf(Iterable<?> iterable) verifies that the actual iterable contains exactly the elements of the given iterable and nothing else, with elements in the same order. containsExactlyInAnyOrder(Object... values) verifies that the actual iterable contains exactly the given values and nothing else, with elements in any order. containsExactlyInAnyOrderElementsOf(Iterable<?> iterable) verifies that the actual iterable contains exactly the elements of the given iterable and nothing else, with elements

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