How to use representGroup method of org.assertj.core.presentation.StandardRepresentation class

Best Assertj code snippet using org.assertj.core.presentation.StandardRepresentation.representGroup

Source:StandardRepresentation.java

...437  protected String format(Object[] array, String start, String end, String elementSeparator, String indentation, Object root) {438    if (array == null) return null;439    // root is used to avoid infinite recursion in case one element refers to it.440    List<String> representedElements = representElements(Stream.of(array), start, end, elementSeparator, indentation, root);441    return representGroup(representedElements, start, end, elementSeparator, indentation);442  }443  protected String format(Iterable<?> iterable, String start, String end, String elementSeparator, String indentation,444                          Object root) {445    if (iterable == null) return null;446    Iterator<?> iterator = iterable.iterator();447    if (!iterator.hasNext()) return start + end;448    // alreadyVisited is used to avoid infinite recursion when one element is a container already visited449    List<String> representedElements = representElements(stream(iterable), start, end, elementSeparator, indentation, root);450    return representGroup(representedElements, start, end, elementSeparator, indentation);451  }452  protected String safeStringOf(Object element, String start, String end, String elementSeparator, String indentation,453                                Object root) {454    if (element == root) return isArray(root) ? "(this array)" : "(this instance)";455    // Since potentially self referencing containers have been handled, it is reasonably safe to use toStringOf.456    // What we don't track are cycles like A -> B -> A but that should be rare enough thus this solution is good enough457    // To fully avoid all cycles we would need to track all visited elements but the issue is that:458    // List<Object> innerList = list(1, 2, 3);459    // List<Object> outerList = list(innerList, innerList);460    // outerList would be represented as [[1, 2, 3], (already visited)] instead of [[1, 2, 3], [1, 2, 3]]461    // Final word, the approach used here is the same as the toString implementation in AbstractCollection462    return element == null ? NULL : toStringOf(element);463  }464  // private methods465  private List<String> representElements(Stream<?> elements, String start, String end, String elementSeparator,466                                         String indentation, Object root) {467    return elements.map(element -> safeStringOf(element, start, end, elementSeparator, indentation, root))468                   .collect(toList());469  }470  // this method only deals with max number of elements to display, the elements representation is already computed471  private static String representGroup(List<String> representedElements, String start, String end, String elementSeparator,472                                       String indentation) {473    int size = representedElements.size();474    StringBuilder desc = new StringBuilder(start);475    if (size <= maxElementsForPrinting) {476      // display all elements477      for (int i = 0; i < size; i++) {478        if (i != 0) desc.append(indentation);479        desc.append(representedElements.get(i));480        if (i != size - 1) desc.append(elementSeparator);481      }482      return desc.append(end).toString();483    }484    // we can't display all elements, picks the first and last maxElementsForPrinting/2 elements485    // if maxElementsForPrinting is odd, display one more first elements than last, ex: 9 => display 5 first elements and 4 last...

representGroup

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.presentation.StandardRepresentation;3public class StandardRepresentationExample {4    public static void main(String[] args) {5        StandardRepresentation representation = new StandardRepresentation();6        String[] array = {"one", "two"};7        String group = representation.representGroup(array);8        Assertions.assertThat(group).isEqualTo("[\"one\", \"two\"]");9    }10}

representGroup

Using AI Code Generation

1org.assertj.core.presentation.StandardRepresentation representation = new org.assertj.core.presentation.StandardRepresentation();2representation.representGroup("a", "b", "c");3org.assertj.core.presentation.StandardRepresentation representation = new org.assertj.core.presentation.StandardRepresentation();4representation.represent("a");5org.assertj.core.presentation.StandardRepresentation representation = new org.assertj.core.presentation.StandardRepresentation();6representation.represent(1);7org.assertj.core.presentation.StandardRepresentation representation = new org.assertj.core.presentation.StandardRepresentation();8representation.represent(new int[]{1, 2, 3});9org.assertj.core.presentation.StandardRepresentation representation = new org.assertj.core.presentation.StandardRepresentation();10representation.represent(new String[]{"a", "b", "c"});11org.assertj.core.presentation.StandardRepresentation representation = new org.assertj.core.presentation.StandardRepresentation();12representation.represent(new String[][]{{"a", "b"}, {"c", "d"}});13org.assertj.core.presentation.StandardRepresentation representation = new org.assertj.core.presentation.StandardRepresentation();14representation.represent(new String[][]{{"a", "b"}, {"c", "d", "e"}});15org.assertj.core.presentation.StandardRepresentation representation = new org.assertj.core.presentation.StandardRepresentation();16representation.represent(new String[][]{{"a", "b"}, {"c", "d", "e"}}, 2);17org.assertj.core.presentation.StandardRepresentation representation = new org.assertj.core.presentation.StandardRepresentation();18representation.represent(new String[][]{{"a", "b"}, {"c", "d", "e"}}, 1);19org.assertj.core.presentation.StandardRepresentation representation = new org.assertj.core.presentation.StandardRepresentation();20representation.represent(new String[][]{{"a", "b"}, {"c", "d", "e"}}, 0);

representGroup

Using AI Code Generation

1public class StandardRepresentationTest {2    public void representGroupTest() {3        StandardRepresentation representation = new StandardRepresentation();4        String[] array = {"a", "b", "c"};5        String actual = representation.representGroup("test", array);6        System.out.println(actual);7    }8}

representGroup

Using AI Code Generation

1public class StandardRepresentationTest {2    public void testRepresentGroup() {3        StandardRepresentation standardRepresentation = new StandardRepresentation();4        standardRepresentation.representGroup("1", "2", "3");5    }6}

representGroup

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.presentation.StandardRepresentation;3import java.util.ArrayList;4import java.util.List;5public class AssertJGroupElements {6    public static void main(String[] args) {7        List<String> list = new ArrayList<>();8        list.add("foo");9        list.add("bar");10        Assertions.assertThat(list).as("Group of elements").isNotEmpty();11    }12}13AssertJ's as() method14The as() method is overloaded. It takes a String value and a Object... values as arguments. The String value is used to set a description to the assertion. The Object... values are used to format the String value. The as() method returns an instance of AbstractAssert class. This instance is used to perform the assertion

representGroup

Using AI Code Generation

1package com.baeldung.representation;2import org.assertj.core.api.Assertions;3public class StandardRepresentationUnitTest {4    public static void main(String[] args) {5        Assertions.assertThat(new Object[]{1, 2, 3}).as("an array with 3 elements")6          .isNotNull();7    }8}9package com.baeldung.representation;10import org.assertj.core.api.Assertions;11public class StandardRepresentationUnitTest {12    public static void main(String[] args) {13        Assertions.assertThat(new Object[]{1, 2, 3}).as("an array with 3 elements")14          .isNotNull();15    }16}17package com.baeldung.representation;18import org.assertj.core.api.Assertions;19public class StandardRepresentationUnitTest {20    public static void main(String[] args) {21        Assertions.assertThat(new Object[]{1, 2, 3}).as("an array with 3 elements")22          .isNotNull();23    }24}25package com.baeldung.representation;26import org.assertj.core.api.Assertions;27public class StandardRepresentationUnitTest {28    public static void main(String[] args)

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