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How to use Introspection method of org.assertj.core.util.introspection.Introspection class

Best Assertj code snippet using org.assertj.core.util.introspection.Introspection.Introspection

Source:Introspection_getProperty_Test.java

...12 */13package org.assertj.core.util;14import static org.assertj.core.api.Assertions.catchThrowable;15import static org.assertj.core.api.BDDAssertions.then;16import static org.assertj.core.util.introspection.Introspection.getPropertyGetter;17import java.lang.reflect.Method;18import org.assertj.core.util.introspection.IntrospectionError;19import org.junit.jupiter.api.Test;20class Introspection_getProperty_Test {21  private final Employee judy = new Employee(100000.0, 31);22  @Test23  void should_succeed() {24    // WHEN25    Method getter = getPropertyGetter("age", judy);26    // THEN27    then(getter).isNotNull();28  }29  @Test30  void should_raise_an_error_because_of_missing_getter() {31    // WHEN32    Throwable thrown = catchThrowable(() -> getPropertyGetter("salary", judy));33    // THEN34    then(thrown).isInstanceOf(IntrospectionError.class)35                .hasMessage("No getter for property 'salary' in org.assertj.core.util.Employee");36  }37  @Test38  void should_raise_an_error_because_of_non_public_getter_when_getter_does_not_exists() {39    // WHEN40    Throwable thrown = catchThrowable(() -> getPropertyGetter("company", judy));41    // THEN42    then(thrown).isInstanceOf(IntrospectionError.class)43                .hasMessage("No public getter for property 'company' in org.assertj.core.util.Employee");44  }45  @Test46  void should_raise_an_error_because_of_non_public_getter_when_getter_is_package_private() {47    // WHEN48    Throwable thrown = catchThrowable(() -> getPropertyGetter("firstJob", judy));49    // THEN50    then(thrown).isInstanceOf(IntrospectionError.class)51                .hasMessage("No public getter for property 'firstJob' in org.assertj.core.util.Employee");52  }53  @Test54  void should_raise_an_error_because_of_non_public_getter_when_getter_is_in_superclass() {55    // WHEN56    Throwable thrown = catchThrowable(() -> getPropertyGetter("name", new Example()));57    // THEN58    then(thrown).isInstanceOf(IntrospectionError.class)59                .hasMessage("No public getter for property 'name' in org.assertj.core.util.Introspection_getProperty_Test$Example");60  }61  @Test62  void should_raise_an_error_because_of_getter_with_void_return_type() {63    // WHEN64    Throwable thrown = catchThrowable(() -> getPropertyGetter("surname", new VoidGetter()));65    // THEN66    then(thrown).isInstanceOf(IntrospectionError.class)67                .hasMessage("No getter for property 'surname' in org.assertj.core.util.Introspection_getProperty_Test$VoidGetter");68  }69  static class Example extends Super {70  }71  static class Super {72    @SuppressWarnings("unused")73    private String getName() {74      return "a";75    }76  }77  static class VoidGetter {78    public void getSurname() {}79  }80}...

Introspection

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import java.util.ArrayList;3import java.util.List;4import org.assertj.core.util.introspection.Introspection;5import org.junit.jupiter.api.Test;6public class IntrospectionTest {7	public void testIntrospection() {8		List<String> list = new ArrayList<>();9		list.add("first");10		list.add("second");11		list.add("third");12		assertThat(Introspection.getPropertyOrField(list, "size")).isEqualTo(3);13		assertThat(Introspection.getPropertyOrField(list, "0")).isEqualTo("first");14	}15}

Introspection

Using AI Code Generation

1import org.assertj.core.util.introspection.Introspection;2import org.junit.Test;3public class IntrospectionTest {4    public void testIntrospection() {5        String name = Introspection.getPropertyOrField("name", new Person("John", 20)).toString();6        System.out.println(name);7    }8    private static class Person {9        private String name;10        private int age;11        public Person(String name, int age) {12            this.name = name;13            this.age = age;14        }15        public String getName() {16            return name;17        }18        public int getAge() {19            return age;20        }21    }22}

Introspection

Using AI Code Generation

1Introspection.getPropertyOrFieldNames(ReflectionUtil.class);2Introspection.getPropertyOrFieldNames(ReflectionUtil.class);3Introspection.getPropertyOrFieldNames(ReflectionUtil.class);4Introspection.getPropertyOrFieldNames(ReflectionUtil.class);5Introspection.getPropertyOrFieldNames(ReflectionUtil.class);6Introspection.getPropertyOrFieldNames(ReflectionUtil.class);7Introspection.getPropertyOrFieldNames(ReflectionUtil.class);8Introspection.getPropertyOrFieldNames(ReflectionUtil.class);9Introspection.getPropertyOrFieldNames(ReflectionUtil.class);10Introspection.getPropertyOrFieldNames(ReflectionUtil.class);11Introspection.getPropertyOrFieldNames(ReflectionUtil.class);12Introspection.getPropertyOrFieldNames(ReflectionUtil.class);13Introspection.getPropertyOrFieldNames(ReflectionUtil.class);14Introspection.getPropertyOrFieldNames(ReflectionUtil.class);15Introspection.getPropertyOrFieldNames(ReflectionUtil.class);

Introspection

Using AI Code Generation

1assertThat(1).isEqualTo(1);2assertThat(1).isEqualTo(2);3assertThat(1).isEqualTo(3);4assertThat(1).isEqualTo(4);5assertThat(1).isEqualTo(5);6assertThat(1).isEqualTo(6);7assertThat(1).isEqualTo(7);8assertThat(1).isEqualTo(8);9assertThat(1).isEqualTo(9);10assertThat(1).isEqualTo(10);11assertThat(1).isEqualTo(11);12assertThat(1).isEqualTo(12);13assertThat(1).isEqualTo(13);14assertThat(1).isEqualTo(14);15assertThat(1).isEqualTo(15);16assertThat(1).isEqualTo(16);17assertThat(1).isEqualTo(17);18assertThat(1).isEqualTo(18);19assertThat(1).isEqualTo(19);20assertThat(1).isEqualTo(20);21assertThat(1).isEqualTo(21);22assertThat(1).isEqualTo(22);23assertThat(1).isEqualTo(23);24assertThat(1).isEqualTo(24);25assertThat(1).isEqualTo(25);26assertThat(1).isEqualTo(26);27assertThat(1).isEqualTo(27);28assertThat(1).isEqualTo(28);29assertThat(1).isEqualTo(29);30assertThat(1).isEqualTo(30);31assertThat(1).isEqualTo(31);32assertThat(1).isEqualTo(32);33assertThat(1).isEqualTo(33);34assertThat(1).isEqualTo(34);35assertThat(1).isEqualTo(35);36assertThat(1).isEqualTo(36);37assertThat(1).isEqualTo(37);38assertThat(1).isEqualTo(38);39assertThat(1).isEqualTo(39);40assertThat(1).isEqualTo(40);41assertThat(1).isEqualTo(41);42assertThat(1).isEqualTo(42);43assertThat(1).isEqualTo(43);44assertThat(1).isEqualTo(44);45assertThat(1).isEqualTo(45);46assertThat(1).isEqualTo(46);47assertThat(1).isEqualTo(47);48assertThat(1).isEqualTo(48);49assertThat(1).isEqualTo(49);50assertThat(1).isEqualTo(50);51assertThat(1).isEqualTo(51);52assertThat(1).isEqualTo(52);53assertThat(1).isEqualTo(53);54assertThat(1).isEqualTo(54);55assertThat(

Introspection

Using AI Code Generation

1import org.assertj.core.util.introspection.Introspection2import org.assertj.core.util.introspection.IntrospectionError3try {4  def value = Introspection.getPropertyValue(field, new Person('John Doe'))5} catch (IntrospectionError e) {6}7import org.assertj.core.util.introspection.Introspection8import org.assertj.core.util.introspection.IntrospectionError9try {10  Introspection.setPropertyValue(field, new Person('John Doe'), 'Jane Doe')11} catch (IntrospectionError e) {12}13import org.assertj.core.util.introspection.Introspection14import org.assertj.core.util.introspection.IntrospectionError15try {16  def value = Introspection.getPropertyValue(field, new Person('John Doe'))17} catch (IntrospectionError e) {18}19import org.assertj.core.util.introspection.Introspection20import org.assertj.core.util.introspection.IntrospectionError21try {22  Introspection.setPropertyValue(field, new Person('John Doe'), 'Jane Doe')23} catch (IntrospectionError e) {24}25import org.assertj.core.util.introspection.Introspection26import org.assertj.core.util.introspection.IntrospectionError27try {28  def value = Introspection.getPropertyValue(field, new Person('John Doe'))29} catch (IntrospectionError e) {30}

Introspection

Using AI Code Generation

1Person person = new Person("John", "Doe");2String name = Introspection.getPropertyValue(person, "name", String.class);3assertThat(name).isEqualTo("John");4Person person = new Person("John", "Doe");5String name = Introspection.getPropertyValue(person, "name", String.class);6assertThat(name).isEqualTo("John");7Person person = new Person("John", "Doe");8String name = Introspection.getPropertyValue(person, "name", String.class);9assertThat(name).isEqualTo("John");10Person person = new Person("John", "Doe");11String name = Introspection.getPropertyValue(person, "name", String.class);12assertThat(name).isEqualTo("John");13Person person = new Person("John", "Doe");14String name = Introspection.getPropertyValue(person, "name", String.class);15assertThat(name).isEqualTo("John");16Person person = new Person("John", "Doe");17String name = Introspection.getPropertyValue(person, "name", String.class);18assertThat(name).isEqualTo("John");

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