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How to use ResultOfExtractor class of org.assertj.core.extractor package

Best Assertj code snippet using org.assertj.core.extractor.ResultOfExtractor

Source:ResultOfExtractor.java

...19 * 20 * @author MichaÅ Piotrkowski21 * @author Mateusz Haligowski22 */23class ResultOfExtractor<F> implements Extractor<F, Object> {24  private final String methodName;25  26  ResultOfExtractor(String methodName) {27    this.methodName = methodName;28  }29  /**30   * Behavior is described in {@link MethodSupport#methodResultFor(Object, String)}31   */32  @Override33  public Object extract(F input) {34    return MethodSupport.methodResultFor(input, methodName);35  }36}...

ResultOfExtractor

Using AI Code Generation

1import org.assertj.core.api.Assertions;2import org.assertj.core.api.ListAssert;3import org.assertj.core.api.ObjectAssert;4import org.assertj.core.extractor.Extractors;5import org.assertj.core.extractor.ResultOfExtractor;6import org.assertj.core.extractor.ResultOfExtractorCreator;7import org.assertj.core.groups.Tuple;8import org.junit.Test;9import java.util.List;10public class ExtractorTest {11    public void testExtractor() {12        List<Employee> employees = Employee.getEmployees();13        Assertions.assertThat(employees).extracting("name").contains("John", "David", "Mary", "Mark");14        Assertions.assertThat(employees).extracting("name", "age").contains(Tuple.tuple("John", 25), Tuple.tuple("David", 23));15        Assertions.assertThat(employees).extracting("name", "age", "salary").contains(Tuple.tuple("John", 25, 1000.00), Tuple.tuple("David", 23, 1500.00));16        Assertions.assertThat(employees).extracting("name", "age", "salary", "address.city").contains(Tuple.tuple("John", 25, 1000.00, "New York"), Tuple.tuple("David", 23, 1500.00, "Chicago"));17        Assertions.assertThat(employees).extracting("name", "age", "salary", "address.city", "address.country").contains(Tuple.tuple("John", 25, 1000.00, "New York", "USA"), Tuple.tuple("David", 23, 1500.00, "Chicago", "USA"));18        Assertions.assertThat(employees).extracting("name", "age", "salary", "address.city", "address.country", "address.street").contains(Tuple.tuple("John", 25, 1000.00, "New York", "USA", "Wall Street"), Tuple.tuple("David", 23, 1500.00, "Chicago", "USA", "Broadway"));19        Assertions.assertThat(employees).extracting("name", "age", "salary", "address.city", "address.country", "address.street", "address.zipCode").contains(Tuple.tuple("John", 25, 1000.00, "New York", "USA", "Wall Street", 10001), Tuple.tuple("David", 23, 1500.00

ResultOfExtractor

Using AI Code Generation

1import org.assertj.core.extractor.ResultOfExtractor;2import static org.assertj.core.extractor.ResultOfExtractor.extractFrom;3import org.assertj.core.api.Extractor;4import static org.assertj.core.api.Assertions.*;5import org.assertj.core.api.ListAssert;6import static org.assertj.core.api.Assertions.assertThat;7import java.util.List;8import java.util.ArrayList;9public class ExtractorTest {10    public static void main(String[] args) {11        List<String> stringList = new ArrayList<String>();12        stringList.add("John");13        stringList.add("Peter");14        stringList.add("Mary");15        stringList.add("John");16        stringList.add("Mary");17        stringList.add("Peter");18        stringList.add("John");19        stringList.add("Peter");20        stringList.add("Mary");21        stringList.add("John");22        stringList.add("Mary");23        stringList.add("Peter");24        Extractor<String, String> extractor = new ResultOfExtractor<String, String>(new ResultOfExtractor.ResultOf<String, String>() {25            public String apply(String input) {26                return input.substring(0, 1);27            }28        });29        ListAssert<String> listAssert = assertThat(stringList);30        listAssert.extracting(extractor).containsOnly("J", "P", "M");31    }32}

ResultOfExtractor

Using AI Code Generation

1package com.assertj;2import static org.assertj.core.api.Assertions.assertThat;3import java.util.List;4import org.assertj.core.api.Condition;5import org.assertj.core.extractor.ResultOfExtractor;6import org.junit.Test;7import com.google.common.collect.Lists;8public class ResultOfExtractorTest {9    public void test() {10        List<Person> persons = Lists.newArrayList(new Person(1, "John", 20), new Person(2, "Jane", 22));11        Condition<Person> condition = new Condition<Person>(new ResultOfExtractor<Person, String>("getName", String.class) {12            public String apply(Person input) {13                return input.getName();14            }15        }, "John");16        assertThat(persons).are(condition);17    }18}19class Person {20    private int id;21    private String name;22    private int age;23    public Person(int id, String name, int age) {24        this.id = id;25        this.name = name;26        this.age = age;27    }28    public int getId() {29        return id;30    }31    public String getName() {32        return name;33    }34    public int getAge() {35        return age;36    }37}

ResultOfExtractor

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import static org.assertj.core.extractor.Extractors.resultOf;3public class ResultOfExtractorTest {4    public static class Employee {5        private String name;6        private int age;7        public Employee(String name, int age) {8            this.name = name;9            this.age = age;10        }11        public String getName() {12            return name;13        }14        public int getAge() {15            return age;16        }17    }18    public void testResultOfExtractor() {19        List<Employee> employees = new ArrayList<Employee>();20        employees.add(new Employee("John", 20));21        employees.add(new Employee("Jane", 25));22        employees.add(new Employee("Jack", 30));23        assertThat(employees).extracting(resultOf("getName")).containsOnly("John", "Jane", "Jack");24        assertThat(employees).extracting(resultOf("getAge")).containsOnly(20, 25, 30);25    }26}27Your name to display (optional):28Your name to display (optional):

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