How to use canReadFieldValue method of org.assertj.core.internal.Objects class

Best Assertj code snippet using org.assertj.core.internal.Objects.canReadFieldValue

Source:Objects.java Github

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...485 List<Object> rejectedValues = new LinkedList<>();486 List<Object> expectedValues = new LinkedList<>();487 List<String> nullFields = new LinkedList<>();488 for (Field field : getDeclaredFieldsIncludingInherited(actual.getClass())) {489 if (!canReadFieldValue(field, actual)) continue;490 String fieldName = field.getName();491 Object otherFieldValue = getPropertyOrFieldValue(other, fieldName);492 if (otherFieldValue == null) {493 nullFields.add(fieldName);494 } else {495 Object actualFieldValue = getPropertyOrFieldValue(actual, fieldName);496 if (!propertyOrFieldValuesAreEqual(actualFieldValue, otherFieldValue, fieldName,497 comparatorByPropertyOrField, comparatorByType)) {498 fieldsNames.add(fieldName);499 rejectedValues.add(actualFieldValue);500 expectedValues.add(otherFieldValue);501 }502 }503 }504 if (!fieldsNames.isEmpty())505 throw failures.failure(info, shouldBeEqualToIgnoringGivenFields(actual, fieldsNames,506 rejectedValues, expectedValues, nullFields));507 }508 /**509 * Assert that the given object is lenient equals to other object by comparing given fields value only.510 *511 * @param <A> the actual type512 * @param info contains information about the assertion.513 * @param actual the given object.514 * @param other the object to compare {@code actual} to.515 * @param comparatorByPropertyOrField comparators use for specific fields516 * @param comparatorByType comparators use for specific types517 * @param fields accepted fields518 * @throws NullPointerException if the other type is {@code null}.519 * @throws AssertionError if actual is {@code null}.520 * @throws AssertionError if the actual and the given object are not lenient equals.521 * @throws AssertionError if the other object is not an instance of the actual type.522 * @throws IntrospectionError if a field does not exist in actual.523 */524 public <A> void assertIsEqualToComparingOnlyGivenFields(AssertionInfo info, A actual, A other,525 Map<String, Comparator<?>> comparatorByPropertyOrField,526 TypeComparators comparatorByType,527 String... fields) {528 assertNotNull(info, actual);529 ByFieldsComparison byFieldsComparison = isEqualToComparingOnlyGivenFields(actual, other,530 comparatorByPropertyOrField,531 comparatorByType,532 fields);533 if (byFieldsComparison.isFieldsNamesNotEmpty())534 throw failures.failure(info, shouldBeEqualComparingOnlyGivenFields(actual, byFieldsComparison.fieldsNames,535 byFieldsComparison.rejectedValues,536 byFieldsComparison.expectedValues,537 newArrayList(fields)));538 }539 private <A> ByFieldsComparison isEqualToComparingOnlyGivenFields(A actual, A other,540 Map<String, Comparator<?>> comparatorByPropertyOrField,541 TypeComparators comparatorByType,542 String[] fields) {543 List<String> rejectedFieldsNames = new LinkedList<>();544 List<Object> expectedValues = new LinkedList<>();545 List<Object> rejectedValues = new LinkedList<>();546 for (String fieldName : fields) {547 Object actualFieldValue = getPropertyOrFieldValue(actual, fieldName);548 Object otherFieldValue = getPropertyOrFieldValue(other, fieldName);549 if (!propertyOrFieldValuesAreEqual(actualFieldValue, otherFieldValue, fieldName, comparatorByPropertyOrField,550 comparatorByType)) {551 rejectedFieldsNames.add(fieldName);552 expectedValues.add(otherFieldValue);553 rejectedValues.add(actualFieldValue);554 }555 }556 return new ByFieldsComparison(rejectedFieldsNames, expectedValues, rejectedValues);557 }558 /**559 * Assert that the given object is lenient equals to the other by comparing all fields (including inherited fields)560 * unless given ignored ones.561 *562 * @param <A> the actual type563 * @param info contains information about the assertion.564 * @param actual the given object.565 * @param other the object to compare {@code actual} to.566 * @param comparatorByPropertyOrField comparators use for specific fields567 * @param comparatorByType comparators use for specific types568 * @param fields the fields to ignore in comparison569 * @throws NullPointerException if the other type is {@code null}.570 * @throws AssertionError if actual is {@code null}.571 * @throws AssertionError if the actual and the given object are not lenient equals.572 * @throws AssertionError if the other object is not an instance of the actual type.573 */574 public <A> void assertIsEqualToIgnoringGivenFields(AssertionInfo info, A actual, A other,575 Map<String, Comparator<?>> comparatorByPropertyOrField,576 TypeComparators comparatorByType, String... fields) {577 assertNotNull(info, actual);578 ByFieldsComparison byFieldsComparison = isEqualToIgnoringGivenFields(actual, other, comparatorByPropertyOrField,579 comparatorByType, fields);580 if (byFieldsComparison.isFieldsNamesNotEmpty())581 throw failures.failure(info, shouldBeEqualToIgnoringGivenFields(actual, byFieldsComparison.fieldsNames,582 byFieldsComparison.rejectedValues,583 byFieldsComparison.expectedValues,584 newArrayList(fields)));585 }586 private <A> ByFieldsComparison isEqualToIgnoringGivenFields(A actual, A other,587 Map<String, Comparator<?>> comparatorByPropertyOrField,588 TypeComparators comparatorByType,589 String[] givenIgnoredFields) {590 Set<Field> declaredFieldsIncludingInherited = getDeclaredFieldsIncludingInherited(actual.getClass());591 List<String> fieldsNames = new LinkedList<>();592 List<Object> expectedValues = new LinkedList<>();593 List<Object> rejectedValues = new LinkedList<>();594 Set<String> ignoredFields = newLinkedHashSet(givenIgnoredFields);595 for (Field field : declaredFieldsIncludingInherited) {596 // ignore private field if user has decided not to use them in comparison597 String fieldName = field.getName();598 if (ignoredFields.contains(fieldName) || !canReadFieldValue(field, actual)) {599 continue;600 }601 Object actualFieldValue = getPropertyOrFieldValue(actual, fieldName);602 Object otherFieldValue = getPropertyOrFieldValue(other, fieldName);603 if (!propertyOrFieldValuesAreEqual(actualFieldValue, otherFieldValue, fieldName,604 comparatorByPropertyOrField, comparatorByType)) {605 fieldsNames.add(fieldName);606 rejectedValues.add(actualFieldValue);607 expectedValues.add(otherFieldValue);608 }609 }610 return new ByFieldsComparison(fieldsNames, expectedValues, rejectedValues);611 }612 @SuppressWarnings({ "unchecked", "rawtypes" })613 static boolean propertyOrFieldValuesAreEqual(Object actualFieldValue, Object otherFieldValue, String fieldName,614 Map<String, Comparator<?>> comparatorByPropertyOrField,615 TypeComparators comparatorByType) {616 // no need to look into comparators if objects are the same617 if (actualFieldValue == otherFieldValue) return true;618 // check field comparators as they take precedence over type comparators619 Comparator fieldComparator = comparatorByPropertyOrField.get(fieldName);620 if (fieldComparator != null) return fieldComparator.compare(actualFieldValue, otherFieldValue) == 0;621 // check if a type comparators exist for the field type622 Class fieldType = actualFieldValue != null ? actualFieldValue.getClass() : otherFieldValue.getClass();623 Comparator typeComparator = comparatorByType.get(fieldType);624 if (typeComparator != null) return typeComparator.compare(actualFieldValue, otherFieldValue) == 0;625 // default comparison using equals626 return org.assertj.core.util.Objects.areEqual(actualFieldValue, otherFieldValue);627 }628 private <A> boolean canReadFieldValue(Field field, A actual) {629 return fieldSupport.isAllowedToRead(field) || propertySupport.publicGetterExistsFor(field.getName(), actual);630 }631 /**632 * Assert that the given object has no null fields except the given ones.633 *634 * @param <A> the actual type.635 * @param info contains information about the assertion.636 * @param actual the given object.637 * @param propertiesOrFieldsToIgnore the fields to ignore in comparison.638 * @throws AssertionError if actual is {@code null}.639 * @throws AssertionError if some of the fields of the actual object are null.640 */641 public <A> void assertHasNoNullFieldsOrPropertiesExcept(AssertionInfo info, A actual,642 String... propertiesOrFieldsToIgnore) {643 assertNotNull(info, actual);644 Set<Field> declaredFieldsIncludingInherited = getDeclaredFieldsIncludingInherited(actual.getClass());645 List<String> nullFieldNames = new LinkedList<>();646 Set<String> ignoredFields = newLinkedHashSet(propertiesOrFieldsToIgnore);647 for (Field field : declaredFieldsIncludingInherited) {648 // ignore private field if user has decided not to use them in comparison649 String fieldName = field.getName();650 if (ignoredFields.contains(fieldName) || !canReadFieldValue(field, actual)) continue;651 Object actualFieldValue = getPropertyOrFieldValue(actual, fieldName);652 if (actualFieldValue == null) nullFieldNames.add(fieldName);653 }654 if (!nullFieldNames.isEmpty())655 throw failures.failure(info, shouldHaveNoNullFieldsExcept(actual, nullFieldNames,656 newArrayList(propertiesOrFieldsToIgnore)));657 }658 /**659 * Asserts that the given object has null fields except the given ones.660 *661 * @param <A> the actual type.662 * @param info contains information about the assertion.663 * @param actual the given object.664 * @param propertiesOrFieldsToIgnore the fields to ignore in comparison.665 * @throws AssertionError is actual is {@code null}.666 * @throws AssertionError if some of the fields of the actual object are not null.667 */668 public <A> void assertHasAllNullFieldsOrPropertiesExcept(AssertionInfo info, A actual,669 String... propertiesOrFieldsToIgnore) {670 assertNotNull(info, actual);671 Set<Field> declaredFields = getDeclaredFieldsIncludingInherited(actual.getClass());672 Set<String> ignoredFields = newLinkedHashSet(propertiesOrFieldsToIgnore);673 List<String> nonNullFieldNames = declaredFields.stream()674 .filter(field -> !ignoredFields.contains(field.getName()))675 .filter(field -> canReadFieldValue(field, actual))676 .filter(field -> getPropertyOrFieldValue(actual, field.getName()) != null)677 .map(Field::getName)678 .collect(toList());679 if (!nonNullFieldNames.isEmpty()) {680 throw failures.failure(info, shouldHaveAllNullFields(actual, nonNullFieldNames, list(propertiesOrFieldsToIgnore)));681 }682 }683 /**684 * Assert that the given object is "deeply" equals to other by comparing all fields recursively.685 *686 * @param <A> the actual type687 * @param info contains information about the assertion.688 * @param actual the given object.689 * @param comparatorByPropertyOrField comparators use for specific fields...

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Source:EnhancedObjectAssert.java Github

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...41 List<Object> rejectedValues = new LinkedList<>();42 List<Object> expectedValues = new LinkedList<>();43 List<String> nullFields = new LinkedList<>();44 for (Field field : getDeclaredFieldsIncludingInherited(actual.getClass())) {45 if (!canReadFieldValue(field, actual)) continue;46 String fieldName = field.getName();47 Object otherFieldValue = getPropertyOrFieldValue(other, fieldName);48 if (otherFieldValue == null) {49 nullFields.add(fieldName);50 } else {51 Object actualFieldValue = getPropertyOrFieldValue(actual, fieldName);52 if (!propertyOrFieldValuesAreEqual(actualFieldValue, otherFieldValue, fieldName,53 comparatorByPropertyOrField, comparatorByType)) {54 fieldsNames.add(fieldName);55 rejectedValues.add(actualFieldValue);56 expectedValues.add(otherFieldValue);57 }58 }59 }60 Set<String> ignoredFields = newLinkedHashSet(propertiesOrFieldsToIgnore);61 ignoredFields.addAll(nullFields);62 if (!fieldsNames.isEmpty())63 throw failures.failure(info, shouldBeEqualToIgnoringGivenFields(actual, fieldsNames,64 rejectedValues, expectedValues, new LinkedList<>(ignoredFields)));65 return myself;66 }67 //------------------------------------------------------------68 private <A> boolean canReadFieldValue(Field field, A actual) {69 return fieldSupport.isAllowedToRead(field) || propertySupport.publicGetterExistsFor(field.getName(), actual);70 }71 private <A> Object getPropertyOrFieldValue(A a, String fieldName) {72 return PropertyOrFieldSupport.COMPARISON.getValueOf(fieldName, a);73 }74 static boolean propertyOrFieldValuesAreEqual(Object actualFieldValue, Object otherFieldValue, String fieldName,75 Map<String, Comparator<?>> comparatorByPropertyOrField,76 TypeComparators comparatorByType) {77 // no need to look into comparators if objects are the same78 if (actualFieldValue == otherFieldValue) return true;79 // check field comparators as they take precedence over type comparators80 Comparator fieldComparator = comparatorByPropertyOrField.get(fieldName);81 if (fieldComparator != null) return fieldComparator.compare(actualFieldValue, otherFieldValue) == 0;82 // check if a type comparators exist for the field type...

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canReadFieldValue

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1import org.assertj.core.api.Assertions;2import org.assertj.core.internal.Objects;3import org.junit.Test;4public class AssertJTest {5 public void test() {6 Objects objects = new Objects();7 Object object = new Object();8 object = null;9 Assertions.assertThat(objects.canReadFieldValue(object, "field")).isFalse();10 }11}

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canReadFieldValue

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1package org.assertj.core.internal;2import org.junit.Test;3import static org.assertj.core.api.Assertions.assertThat;4public class Objects_canReadFieldValue_Test {5public void test() {6Objects objects = new Objects();7String actual = "Hello World";8assertThat(objects.canReadFieldValue(actual, "value")).isTrue();9}10}

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canReadFieldValue

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1import static org.assertj.core.api.Assertions.*;2import org.assertj.core.api.*;3import org.assertj.core.internal.*;4import org.junit.jupiter.api.Test;5public class AssertionTest {6 public void test() {7 assertThat("abc").isNotNull();8 assertThat("abc").isNotEmpty();9 assertThat("abc").isEqualTo("abc");10 assertThat("abc").isNotEqualTo("def");11 assertThat("abc").isIn("def", "abc");12 assertThat("abc").isNotIn("def", "ghi");13 assertThat("abc").isBetween("abc", "def");14 assertThat("abc").isNotBetween("def", "ghi");15 assertThat("abc").isCloseTo("def", 1);16 assertThat("abc").isNotCloseTo("def", 1);17 assertThat("abc").isInstanceOf(String.class);18 assertThat("abc").isNotInstanceOf(Integer.class);19 assertThat("abc").isExactlyInstanceOf(String.class);20 assertThat("abc").isNotExactlyInstanceOf(String.class);21 assertThat("abc").isInstanceOfAny(String.class, Integer.class);22 assertThat("abc").isNotInstanceOfAny(String.class, Integer.class);23 assertThat("abc").isOfAnyClassIn(String.class, Integer.class);24 assertThat("abc").isNotOfAnyClassIn(String.class, Integer.class);25 assertThat("abc").startsWith("a");26 assertThat("abc").doesNotStartWith("b");27 assertThat("abc").endsWith("c");28 assertThat("abc").doesNotEndWith("b");29 assertThat("abc").contains("b");30 assertThat("abc").doesNotContain("d");31 assertThat("abc").matches("a.c");32 assertThat("abc").doesNotMatch("d.e");33 assertThat("abc").hasToString("abc");34 assertThat("abc").doesNotHaveToString("def");35 assertThat("abc").hasSameClassAs("def");36 assertThat("abc").doesNotHaveSameClassAs("def");37 assertThat("abc").hasSameHashCodeAs("def");38 assertThat("abc").doesNotHaveSameHashCodeAs("def");39 assertThat("abc").hasSameSizeAs("def");40 assertThat("abc").doesNotHaveSameSizeAs("def");41 assertThat("abc").hasSameSizeAs("def");42 assertThat("abc").doesNotHaveSameSizeAs("def");43 assertThat("abc").isIn("def", "abc");44 assertThat("abc").isNotIn

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canReadFieldValue

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1import org.assertj.core.api.*;2import org.assertj.core.internal.*;3import static org.assertj.core.api.Assertions.*;4import java.util.*;5public class AssertionDemo {6 public static void main(String[] args) {7 Objects objects = Objects.instance();8 List<String> list = new ArrayList<>();9 list.add("Java");10 list.add("C++");11 list.add("Python");12 assertThat(objects.canReadFieldValue("list", "empty")).isTrue();13 }14}

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canReadFieldValue

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1package com.puppycrawl.tools.checkstyle.checks.coding;2import java.io.File;3public class InputRequireThisCanReadFieldValue {4 private static final File FILE = new File("test");5 public static void test() {6 FILE.canRead();7 }8}

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1public class AssertionDemo {2 public static void main(String[] args) {3 String abc = "abc";4 String xyz = "xyz";5 String def = "def";6 assertThat(abc).isNotEqualTo(xyz).isNotEqualTo(def);7 }8}9 at org.assertj.core.api.AbstractObjectAssert.isNotEqualTo(AbstractObjectAssert.java:103)10 at AssertionDemo.main(AssertionDemo.java:7)11import static org.assertj.core.api.Assertions.*;12import org.assertj.core.api.Assertions;13import org.assertj.core.api.ObjectAssert;14import org.assertj.core.internal.Objects;15import org.junit.Test;16public class AssertionDemo {17 public void testCanReadFieldValue() {18 String abc = "abc";19 String xyz = "xyz";20 String def = "def";21 ObjectAssert<String> objectAssert = Assertions.assertThat(abc);22 assertThat(objectAssert).isNotNull();23 assertThat(objectAssert.actual).isNotNull();24 assertThat(objectAssert.actual).isEqualTo(abc);25 assertThat(abc).isNotEqualTo(xyz).isNotEqualTo(def);26 }27}28 at org.assertj.core.api.AbstractObjectAssert.isNotEqualTo(AbstractObjectAssert.java:103)29 at AssertionDemo.testCanReadFieldValue(AssertionDemo.java:17)30import static org.assertj.core.api.Assertions.*;31import org.assertj.core.api.Assertions;32import org.assertj.core.api.ObjectAssert;33import org.assertj.core.internal.Objects;34import org.junit.Test;35public class AssertionDemo {36 public void testCanReadFieldValue() {37 String abc = "abc";38 String xyz = "xyz";39 String def = "def";40 ObjectAssert<String> objectAssert = Assertions.assertThat(abc);41 assertThat(objectAssert).isNotNull();42 assertThat(objectAssert.actual).isNotNull();43 assertThat(objectAssert.actual).isEqualTo(abc);

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1package org.codelibs.elasticsearch.runner;2import static org.assertj.core.api.Assertions.assertThat;3import java.lang.reflect.Field;4import org.assertj.core.internal.Objects;5import org.elasticsearch.common.bytes.BytesReference;6import org.elasticsearch.common.xcontent.XContentBuilder;7import org.elasticsearch.common.xcontent.XContentFactory;8import org.elasticsearch.common.xcontent.XContentType;9import org.elasticsearch.common.xcontent.json.JsonXContent;10import org.elasticsearch.rest.RestRequest;11import org.elasticsearch.test.ESTestCase;12import org.elasticsearch.test.rest.FakeRestRequest;13import org.junit.Test;14public class CanReadFieldValueTest extends ESTestCase {15 public void testCanReadFieldValue() throws Exception {16 XContentBuilder builder = XContentFactory.jsonBuilder().startObject().field("foo", "bar").endObject();17 BytesReference bytes = BytesReference.bytes(builder);18 RestRequest request = new FakeRestRequest.Builder(xContentRegistry()).withContent(bytes, XContentType.JSON).build();19 Field content = RestRequest.class.getDeclaredField("content");20 boolean isReadable = new Objects().canReadFieldValue(content, request);21 assertThat(isReadable).isTrue();22 }23}24{noformat}25org.codelibs.elasticsearch.runner.CanReadFieldValueTest > testCanReadFieldValue() PASSED26{noformat}27package org.codelibs.elasticsearch.runner;28import static org.assertj.core.api.Assertions.assertThat;29import java.lang.reflect.Field;30import org.assertj.core.internal.Objects;31import org.elasticsearch.common.bytes.BytesReference;32import org.elasticsearch.common.xcontent.XContentBuilder;33import org.elasticsearch.common.xcontent.XContentFactory;34import org.elasticsearch.common.xcontent.XContentType;35import org.elasticsearch.common.xcontent.json.JsonXContent;36import org.elasticsearch.rest.RestRequest;37import org.elasticsearch.test.ESTestCase;38import org.elasticsearch.test.rest.FakeRestRequest;39import org.junit.Test;40public class CanReadFieldValueTest extends ESTestCase {

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1public class AssertionTestClass {2 public void testAssertJ() {3 assertThat("test").isNotNull();4 assertThat("test").isNotEmpty();5 assertThat(true).isTrue();6 assertThat(false).isFalse();7 assertThat(1).isEqualTo(1);8 assertThat(1).isNotEqualTo(2);9 assertThat(1).isGreaterThan(0);10 assertThat(1).isGreaterThanOrEqualTo(1);11 assertThat(1).isLessThan(2);12 assertThat(1).isLessThanOrEqualTo(1);13 assertThat(1).isBetween(0, 2);14 assertThat(1).isNotBetween(2, 3);15 assertThat(1).isIn(1, 2, 3);16 assertThat(1).isNotIn(2, 3, 4);17 assertThat(1).isCloseTo(2, Percentage.withPercentage(50));18 assertThat(1).isCloseTo(2, Offset.offset(1));19 assertThat(1).isCloseTo(2, Offset.offset(1.0));20 assertThat(1).isCloseTo(2, Offset.offset(1.0f));21 assertThat(1).isCloseTo(2, Offset.offset(1L));22 assertThat(1).isCloseTo(2, Offset.offset(1.0d));23 assertThat(1).isCloseTo(2, Offset.offset(1.0f));24 assertThat(1).isCloseTo(2, Offset.offset(1.0d));25 assertThat(1).isCloseTo(2, Offset.offset(1));26 assertThat(1).isCloseTo(2, Offset.offset(1.0));27 assertThat(1).isCloseTo(2, Offset.offset(1.0f));28 assertThat(1).isCloseTo(2, Offset.offset(1L));29 assertThat(1).isCloseTo(2, Offset.offset(1.0d));30 assertThat(1).isCloseTo(2, Offset.offset(1.0f));31 assertThat(1).isCloseTo(2, Offset.offset(1.0d));32 assertThat(1).isCloseTo(2, Offset.offset(1));33 assertThat(1).isCloseTo(2, Offset.offset(1.0));34 assertThat(1).isCloseTo(2, Offset.offset(1.0f));35 assertThat(1

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