How to use hasOnlyDeclaredFields method of org.assertj.core.api.AbstractClassAssert class

Best Assertj code snippet using org.assertj.core.api.AbstractClassAssert.hasOnlyDeclaredFields

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...397 * private String fieldFour;398 * }399 *400 * /​/​ this assertion succeeds:401 * assertThat(MyClass.class).hasOnlyDeclaredFields("fieldOne", "fieldTwo", "fieldThree", "fieldFour");402 *403 * /​/​ this assertion fails:404 * assertThat(MyClass.class).hasOnlyDeclaredFields("fieldOne", "fieldThree");</​code></​pre>405 * <p>406 * The assertion succeeds if no given fields are passed and the actual {@code Class} has no declared fields.407 *408 * @see Class#getField(String)409 * @param fields all the fields that are expected to be in the class.410 * @return {@code this} assertions object411 * @throws AssertionError if {@code actual} is {@code null}.412 * @throws AssertionError if fields are not all the declared fields of the actual {@code Class}.413 *414 * @since 2.7.0 /​ 3.7.0415 */​416 public SELF hasOnlyDeclaredFields(String... fields) {417 classes.assertHasOnlyDeclaredFields(info, actual, fields);418 return myself;419 }420 /​**421 * Verifies that the actual {@code Class} has the given methods (including inherited) whatever their visibility are.422 * <p>423 * Example:424 * <pre><code class='java'> class MySuperClass {425 * public void superMethod() {}426 * private void privateSuperMethod() {}427 * }428 *429 * class MyClass extends MySuperClass {430 * public void methodOne() {}...

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hasOnlyDeclaredFields

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1assertThat(User.class).hasOnlyDeclaredFields("id", "name", "age");2assertThat(User.class).hasOnlyDeclaredFields("id", "name", "age", "password");3assertThat(User.class).hasOnlyDeclaredFields("id", "name", "age", "password", "isAdmin");4assertThat(User.class).hasOnlyDeclaredFields("id", "name", "age", "password", "isAdmin", "createdAt");5assertThat(User.class).hasOnlyDeclaredFields("id", "name", "age", "password", "isAdmin", "createdAt", "updatedAt");6assertThat(User.class).hasOnlyDeclaredFields("id", "name", "age", "password", "isAdmin", "createdAt", "updatedAt", "email");7assertThat(User.class).hasOnlyDeclaredFields("id", "name", "age", "password", "isAdmin", "createdAt", "updatedAt", "email", "phone");8assertThat(User.class).hasOnlyDeclaredFields("id", "name", "age", "password", "isAdmin", "createdAt", "updatedAt", "email", "phone", "address");9assertThat(User.class).hasOnlyDeclaredFields("id", "name", "age", "password", "isAdmin", "createdAt", "updatedAt", "email", "phone", "address", "isDeleted");10assertThat(User.class).hasOnlyDeclaredFields("id", "name", "age", "password", "isAdmin", "createdAt", "updatedAt", "email", "phone", "address", "isDeleted", "deletedAt");11assertThat(User.class).hasOnlyDeclaredFields("id", "name", "age", "password", "isAdmin", "createdAt", "updatedAt", "email", "phone", "address", "isDeleted", "deletedAt", "isBlocked");12assertThat(User.class).hasOnlyDeclaredFields("id", "name", "age", "password", "isAdmin", "createdAt", "updatedAt", "email", "phone", "address", "isDeleted", "deletedAt", "isBlocked", "blockedAt");13assertThat(User.class).hasOnlyDeclaredFields("id", "name", "age", "password", "isAdmin", "createdAt", "updatedAt", "email", "phone", "address", "isDeleted", "deletedAt", "isBlocked", "blockedAt", "isBanned");14assertThat(User.class).hasOnlyDeclaredFields("id", "name

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hasOnlyDeclaredFields

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1import org.assertj.core.api.Assertions;2import org.junit.jupiter.api.Test;3public class AssertJTest {4 public void test() {5 Assertions.assertThat(Person.class)6 .hasOnlyDeclaredFields("name", "age");7 }8 private static class Person {9 private String name;10 private int age;11 }12}13import org.assertj.core.api.Assertions;14import org.junit.jupiter.api.Test;15import java.util.Arrays;16public class AssertJTest {17 public void test() {18 Assertions.assertThat(Person.class)19 .hasOnlyDeclaredFields("name", "age")20 .extracting("fields")21 .flatExtracting("name")22 .hasSameElementsAs(Arrays.asList("age", "name"));23 }24 private static class Person {25 private String name;26 private int age;27 }28}29import org.assertj.core.api.Assertions;30import org.junit.jupiter.api.Test;31public class AssertJTest {32 public void test() {33 Assertions.assertThat(Person.class)34 .hasDeclaredFields("name", "age");35 }36 private static class Person {37 private String name;38 private int age;39 }40}41import org.assertj.core.api.Assertions;42import org.junit.jupiter.api.Test;43import java.util.Arrays;44public class AssertJTest {45 public void test() {46 Assertions.assertThat(Person.class)47 .hasDeclaredFields("name", "age")48 .extracting("fields")

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hasOnlyDeclaredFields

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1import org.assertj.core.api.AbstractClassAssert;2import org.assertj.core.api.Assertions;3import org.assertj.core.api.ClassAssert;4class Person {5 private String name;6 private int age;7 private String address;8 public String getName() {9 return name;10 }11 public void setName(String name) {12 this.name = name;13 }14 public int getAge() {15 return age;16 }17 public void setAge(int age) {18 this.age = age;19 }20 public String getAddress() {21 return address;22 }23 public void setAddress(String address) {24 this.address = address;25 }26}27public class AssertjTest {28 public static void main(String[] args) {29 ClassAssert<Person> personClassAssert = Assertions.assertThat(Person.class);30 personClassAssert.hasOnlyDeclaredFields("name", "age", "address");31 }32}33import org.assertj.core.api.AbstractClassAssert;34import org.assertj.core.api.Assertions;35import org.assertj.core.api.ClassAssert;36class Person {37 private String name;38 private int age;39 private String address;40 public String getName() {41 return name;42 }43 public void setName(String name) {44 this.name = name;45 }46 public int getAge() {47 return age;48 }49 public void setAge(int age) {50 this.age = age;51 }52 public String getAddress() {53 return address;54 }55 public void setAddress(String

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