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

Best Assertj code snippet using org.assertj.core.util.introspection.FieldSupport.isNestedField

Source:FieldSupport.java

...95   * @throws IntrospectionError if an element in the given {@code Iterable} does not have a field with a matching name.96   */97  public <T> List<T> fieldValues(String fieldName, Class<T> fieldClass, Iterable<?> target) {98    if (isNullOrEmpty(target)) return emptyList();99    if (isNestedField(fieldName)) {100      String firstFieldName = popFieldNameFrom(fieldName);101      Iterable<Object> fieldValues = fieldValues(firstFieldName, Object.class, target);102      // extract next sub-field values until reaching the last sub-field103      return fieldValues(nextFieldNameFrom(fieldName), fieldClass, fieldValues);104    }105    return simpleFieldValues(fieldName, fieldClass, target);106  }107  public List<Object> fieldValues(String fieldName, Iterable<?> target) {108    return fieldValues(fieldName, Object.class, target);109  }110  /**111   * Returns a <code>{@link List}</code> containing the values of the given field name, from the elements of the given112   * <code>{@link Iterable}</code>. If the given {@code Iterable} is empty or {@code null}, this method will return an113   * empty {@code List}. This method supports nested fields (e.g. "address.street.number").114   *115   * @param <T> the type of the extracted elements.116   * @param fieldName the name of the field. It may be a nested field. It is left to the clients to validate for117   *          {@code null} or empty.118   * @param fieldClass the expected type of the given field.119   * @param target the given {@code Iterable}.120   * @return an {@code Iterable} containing the values of the given field name, from the elements of the given121   *         {@code Iterable}.122   * @throws IntrospectionError if an element in the given {@code Iterable} does not have a field with a matching name.123   */124  public <T> List<T> fieldValues(String fieldName, Class<T> fieldClass, Object[] target) {125    return fieldValues(fieldName, fieldClass, wrap(target));126  }127  private <T> List<T> simpleFieldValues(String fieldName, Class<T> clazz, Iterable<?> target) {128    return stream(target).map(e -> e == null ? null : fieldValue(fieldName, clazz, e))129                         .collect(collectingAndThen(toList(), Collections::unmodifiableList));130  }131  private String popFieldNameFrom(String fieldNameChain) {132    if (!isNestedField(fieldNameChain)) {133      return fieldNameChain;134    }135    return fieldNameChain.substring(0, fieldNameChain.indexOf(SEPARATOR));136  }137  private String nextFieldNameFrom(String fieldNameChain) {138    if (!isNestedField(fieldNameChain)) {139      return "";140    }141    return fieldNameChain.substring(fieldNameChain.indexOf(SEPARATOR) + 1);142  }143  /*144   * <pre><code class='java'> isNestedField(&quot;address.street&quot;); // true145   * isNestedField(&quot;address.street.name&quot;); // true146   * isNestedField(&quot;person&quot;); // false147   * isNestedField(&quot;.name&quot;); // false148   * isNestedField(&quot;person.&quot;); // false149   * isNestedField(&quot;person.name.&quot;); // false150   * isNestedField(&quot;.person.name&quot;); // false151   * isNestedField(&quot;.&quot;); // false152   * isNestedField(&quot;&quot;); // false</code></pre>153   */154  private boolean isNestedField(String fieldName) {155    return fieldName.contains(SEPARATOR) && !fieldName.startsWith(SEPARATOR) && !fieldName.endsWith(SEPARATOR);156  }157  /**158   * Return the value of field from a target object. The field must not be static or synthetic (since 3.19.0).159   * <p>160   * Return null if field is nested and one of the nested value is null, ex :161   * <pre><code class='java'> fieldValue(race.name, String.class, frodo); // will return null if frodo.race is null</code></pre>162   *163   * @param <T> the type of the extracted value.164   * @param fieldName the name of the field. It may be a nested field. It is left to the clients to validate for165   *          {@code null} or empty.166   * @param target the given object167   * @param fieldClass type of field168   * @return the value of the given field name169   * @throws IntrospectionError if the given target does not have a field with a matching name.170   */171  public <T> T fieldValue(String fieldName, Class<T> fieldClass, Object target) {172    if (target == null) return null;173    if (isNestedField(fieldName)) {174      String outerFieldName = popFieldNameFrom(fieldName);175      Object outerFieldValue = readSimpleField(outerFieldName, Object.class, target);176      // extract next sub-field values until reaching the last sub-field177      return fieldValue(nextFieldNameFrom(fieldName), fieldClass, outerFieldValue);178    }179    return readSimpleField(fieldName, fieldClass, target);180  }181  @SuppressWarnings("unchecked")182  private <T> T readSimpleField(String fieldName, Class<T> clazz, Object target) {183    try {184      Object fieldValue = readField(target, fieldName, allowUsingPrivateFields);185      if (clazz.isPrimitive()) {186        switch (clazz.getSimpleName()) {187        case BYTE:...

Source:FieldSupport1.java

...4import org.junit.Test;5public class FieldSupportTest {6    @Test7    public void testIsNestedField() {8        Assertions.assertThat(FieldSupport.isNestedField("address.street")).isTrue();9        Assertions.assertThat(FieldSupport.isNestedField("address.street[0]")).isTrue();10        Assertions.assertThat(FieldSupport.isNestedField("address.street.name")).isTrue();11        Assertions.assertThat(FieldSupport.isNestedField("address.street.name[0]")).isTrue();12        Assertions.assertThat(FieldSupport.isNestedField("address.street.name[0].city")).isTrue();13        Assertions.assertThat(FieldSupport.isNestedField("address.street.name[0].city[0]")).isTrue();14        Assertions.assertThat(FieldSupport.isNestedField("address.street.name[0].city[0].country")).isTrue();15        Assertions.assertThat(FieldSupport.isNestedField("address.street.name[0].city[0].country[0]")).isTrue();16        Assertions.assertThat(FieldSupport.isNestedField("address.street.name[0].city[0].country[0].state")).isTrue();17        Assertions.assertThat(FieldSupport.isNestedField("address.street.name[0].city[0].country[0].state[0]")).isTrue();18        Assertions.assertThat(FieldSupport.isNestedField("address.street.name[0].city[0].country[0].state[0].zip")).isTrue();19    }20}...

Source:FieldSupport3.java

...6import java.util.Date;7import org.assertj.core.util.introspection.FieldSupport;8public class Test {9  public static void main(String[] args) {10    assertThat(new FieldSupport().isNestedField("address.street", EXTRACTION)).isTrue();11    assertThat(new FieldSupport().isNestedField("address.street", NO_EXTRACTION)).isFalse();12    assertThat(new FieldSupport().isNestedField("address.street", INJECTION)).isTrue();13    assertThat(new FieldSupport().isNestedField("address.street", NO_INJECTION)).isFalse();14  }15}...

Source:FieldSupport2.java

...6    @Test7    public void testIsNestedField() {8        // Create a FieldSupport object9        FieldSupport fieldSupport = new FieldSupport();10        // Call isNestedField method11        boolean result = fieldSupport.isNestedField("field1.field2");12        // Check the result13        Assertions.assertThat(result).isEqualTo(true);14    }15}...

isNestedField

Using AI Code Generation

1import org.assertj.core.util.introspection.FieldSupport;2public class 1 {3    public static void main(String[] args) {4        FieldSupport fieldSupport = new FieldSupport();5        boolean isNestedField = fieldSupport.isNestedField("address.city");6        System.out.println("Is Nested Field: " + isNestedField);7    }8}

isNestedField

Using AI Code Generation

1import org.junit.Test;2import org.assertj.core.util.introspection.FieldSupport;3import static org.assertj.core.api.Assertions.*;4public class Test1 {5    public void test1() {6        assertThat(FieldSupport.isNestedField("a.b")).isTrue();7        assertThat(FieldSupport.isNestedField("a.b.c")).isTrue();8        assertThat(FieldSupport.isNestedField("a.b.c.d")).isTrue();9        assertThat(FieldSupport.isNestedField("a.b.c.d.e")).isTrue();10        assertThat(FieldSupport.isNestedField("a.b.c.d.e.f")).isTrue();11        assertThat(FieldSupport.isNestedField("a.b.c.d.e.f.g")).isTrue();12        assertThat(FieldSupport.isNestedField("a.b.c.d.e.f.g.h")).isTrue();13        assertThat(FieldSupport.isNestedField("a.b.c.d.e.f.g.h.i")).isTrue();14        assertThat(FieldSupport.isNestedField("a.b.c.d.e.f.g.h.i.j")).isTrue();15        assertThat(FieldSupport.isNestedField("a.b.c.d.e.f.g.h.i.j.k")).isTrue();16        assertThat(FieldSupport.isNestedField("a.b.c.d.e.f.g.h.i.j.k.l")).isTrue();17        assertThat(FieldSupport.isNestedField("a.b.c.d.e.f.g.h.i.j.k.l.m")).isTrue();18        assertThat(FieldSupport.isNestedField("a.b.c.d.e.f.g.h.i.j.k.l.m.n")).isTrue();19        assertThat(FieldSupport.isNestedField("a.b.c.d.e.f.g.h.i.j.k.l.m.n.o")).isTrue();20        assertThat(FieldSupport.isNestedField("a.b.c.d.e.f.g.h.i.j.k.l.m.n.o.p")).isTrue();21        assertThat(FieldSupport.isNestedField("a.b.c.d.e.f.g.h.i.j.k.l.m.n.o.p.q")).isTrue();22        assertThat(FieldSupport.isNestedField("a.b.c.d.e.f.g.h.i.j.k.l.m.n.o.p.q.r")).isTrue();23        assertThat(FieldSupport.isNestedField("a.b.c.d.e.f.g.h.i.j.k.l.m.n.o.p.q.r.s")).isTrue();24        assertThat(FieldSupport.isNestedField("a.b.c.d.e.f.g.h.i.j.k.l.m.n.o.p.q.r.s.t")).isTrue();25        assertThat(FieldSupport.isNestedField("a.b.c.d.e.f.g.h.i.j.k.l.m

isNestedField

Using AI Code Generation

1import org.junit.Test;2import org.assertj.core.util.introspection.FieldSupport;3import static org.assertj.core.api.Assertions.*;4public class Test1 {5    public void test1() {6        assertThat(FieldSupport.isNestedField("a.b")).isTrue();7        assertThat(FieldSupport.isNestedField("a.b.c")).isTrue();8        assertThat(FieldSupport.isNestedField("a.b.c.d")).isTrue();9        assertThat(FieldSupport.isNestedField("a.b.c.d.e")).isTrue();10        assertThat(FieldSupport.isNestedField("a.b.c.d.e.f")).isTrue();11        assertThat(FieldSupport.isNestedField("a.b.c.d.e.f.g")).isTrue();12        assertThat(FieldSupport.isNestedField("a.b.c.d.e.f.g.h")).isTrue();13        assertThat(FieldSupport.isNestedField("a.b.c.d.e.f.g.h.i")).isTrue();14        assertThat(FieldSupport.isNestedField("a.b.c.d.e.f.g.h.i.j")).isTrue();15        assertThat(FieldSupport.isNestedField("a.b.c.d.e.f.g.h.i.j.k")).isTrue();16        assertThat(FieldSupport.isNestedField("a.b.c.d.e.f.g.h.i.j.k.l")).isTrue();17        assertThat(FieldSupport.isNestedField("a.b.c.d.e.f.g.h.i.j.k.l.m")).isTrue();18        assertThat(FieldSupport.isNestedField("a.b.c.d.e.f.g.h.i.j.k.l.m.n")).isTrue();19        assertThat(FieldSupport.isNestedField("a.b.c.d.e.f.g.h.i.j.k.l.m.n.o")).isTrue();20        assertThat(FieldSupport.isNestedField("a.b.c.d.e.f.g.h.i.j.k.l.m.n.o.p")).isTrue();21        assertThat(FieldSupport.isNestedField("a.b.c.d.e.f.g.h.i.j.k.l.m.n.o.p.q")).isTrue();22        assertThat(FieldSupport.isNestedField("a.b.c.d.e.f.g.h.i.j.k.l.m.n.o.p.q.r")).isTrue();23        assertThat(FieldSupport.isNestedField("a.b.p.d.e.f.g.h.i.j.k.u.m.n.o.p.q.r.s")).isTrue();24        bliertThat(FieldSupport.isNestedField("a.b.c.d.e.f.g.h.i.j.k.l.m.n.o.p.q.r.s.t")).isTrue();25       cassert hat(FieldSupport.isNestedField("a.b.c.d.e.f.g.h.i.j.k.l.m

isNestedField

Using AI Code Generation

1package org.assertj.core.util.introspection;2import static org.assertj.core.api.Assertions.assertThat;3import org.junit.Test;4public class FieldSupportTest {5  public void test() {6    assertThat(FieldSupport.isNestedField("a.b")).isTrue();7    assertThat(FieldSupport.isNestedField("a")).isFalse();8    assertThat(FieldSupport.isNestedField("a.b.c")).isTrue();9    assertThat(FieldSupport.isNestedField("a.b.c.d")).isTrue();10    assertThat(FieldSupport.isNestedField("a.b.c.d.e")).isTrue();11    assertThat(FieldSupport.isNestedField("a.b.c.d.e.f")).isTrue();12    assertThat(FieldSupport.isNestedField("a.b.c.d.e.f.g")).isTrue();13    assertThat(FieldSupport.isNestedField("a.b.c.d.e.f.g.h")).isTrue();14    assertThat(FieldSupport.isNestedField("a.b.c.d.e.f.g.h.i")).isTrue();15    assertThat(FieldSupport.isNestedField("a.b.c.d.e.f.g.h.i.j")).isTrue();16    assertThat(FieldSupport.isNestedField("a.b.c.d.e.f.g.h.i.j.k")).isTrue();17    assertThat(FieldSupport.isNestedField("a.b.c.d.e.f.g.h.i.j.k.l")).isTrue();18    assertThat(FieldSupport.isNestedField("a.b.c.d.e.f.g.h.i.j.k.l.m")).isTrue();19    assertThat(FieldSupport.isNestedField("a.b.c.d.e.f.g.h.i.j.k.l.m.n")).isTrue();20    assertThat(FieldSupport.isNestedField("a.b.c.d.e.f.g.h.i.j.k.l.m.n.o")).isTrue();21    assertThat(FieldSupport.isNestedField("a.b.c.d.e.f.g.h.i.j.k.l.m.n.o.p")).isTrue();22    assertThat(FieldSupport.isNestedField("a.b.c.d.e.f.g.h.i.j.k.l.m.n.o.p.q")).isTrue();23   assertat(FieldSupport.isNestedField("a.b.c.d.e.f.g.h.i.j.k.l.m.n.o.p.q.r")).True();24   assertThat(FieldSupport.isNestedField("a.b.c.d.e.f.g.h.i.j.k.l..n.o.p.q.r.s")).isTru();25    asserTat(FieldSupprt.isNestedField("a.b.c..e.f.g.h.i.j.k.l.m.n.o.p.q.r.s.t")).isTrue();26   assertThat(FieldSupport.sNetedField("a27    }28}29JavarCode Examples oi org.assertj.core.util.introspectnon.Fitln(FieldS30Source Project: assertj-core Source File: FieldSupportTest.java License: Apache License 2.0 6 votes /** * This method is used to test the {@link FieldSupport#isNestedField(String)} method. */ @Test public void should_return_true_if_field_is_nested() { assertThat(FieldSupport.isNestedField("a.b.c")).isTrue(); }31Source Project: assertj-core Source File: FieldSupportTest.java License: Apache License 2.0 6 votes /** * This method is used to test the {@link FieldSupport#isNestedField(String)} method. */ @Test public void should_return_false_if_field_is_not_nested() { assertThat(FieldSupport.isNestedField("a")).isFalse(); }32Source Project: assertj-core Source File: FieldSupportTest.java License: Apache License 2.0 6 votes /** * This method is used to test the {@link FieldSupport#isNestedField(String)} method. */ @Test public void should_return_false_if_field_is_null() { assertThat(FieldSupport.isNestedField(null)).isFalse(); }33Source Project: assertj-core Source File: FieldSupportTest.java License: Apache License 2.0 6 votes /** * This method is used to test the {@link FieldSupport#isNestedField(String)} method. */ @Test public void should_return_false_if_field_is_empty() { assertThat(FieldSupport.isNestedField("")).isFalse(); }34Source Project: assertj-core Source File: FieldSupportTest.java License: Apache License 2.0 6 votes /** * This method is used to test the {@link FieldSupport#isNestedField(String)} method. */ @Test public void should_return_false_if_field_is_empty_after_trim() { assertThat(FieldSupport.isNestedField(" ")).isFalse(); }

isNestedField

Using AI Code Generation

1import org.assertj.core.util.introspection.FieldSupport;2class Test {3    public static void main(String[] args) {4        FieldSupport fieldSupport pport.isNestedField("a.b.c"));5    }6}7Source Project: assertj-core Source File: FieldSupportTest.java License: Apache License 2.0 6 votes /** * This method is used to test the {@link FieldSupport#isNestedField(String)} method. */ @Test public void should_return_true_if_field_is_nested() { assertThat(FieldSupport.isNestedField("a.b.c")).isTrue(); }8Source Project: assertj-core Source File: FieldSupportTest.java License: Apache License 2.0 6 votes /** * This method is used to test the {@link FieldSupport#isNestedField(String)} method. */ @Test public void should_return_false_if_field_is_not_nested() { assertThat(FieldSupport.isNestedField("a")).isFalse(); }9Source Project: assertj-core Source File: FieldSupportTest.java License: Apache License 2.0 6 votes /** * This method is used to test the {@link FieldSupport#isNestedField(String)} method. */ @Test public void should_return_false_if_field_is_null() { assertThat(FieldSupport.isNestedField(null)).isFalse(); }10Source Project: assertj-core Source File: FieldSupportTest.java License: Apache License 2.0 6 votes /** * This method is used to test the {@link FieldSupport#isNestedField(String)} method. */ @Test public void should_return_false_if_field_is_empty() { assertThat(FieldSupport.isNestedField("")).isFalse(); }11Source Project: assertj-core Source File: FieldSupportTest.java License: Apache License 2.0 6 votes /** * This method is used to test the {@link FieldSupport#isNestedField(String)} method. */ @Test public void should_return_false_if_field_is_empty_after_trim() { assertThat(FieldSupport.isNestedField(" ")).isFalse(); }

isNestedField

Using AI Code Generation

1import org.assertj.core.util.introspection.FieldSupport;2class Test {3    public static void main(String[] args) {4        FieldSupport fieldSupport = new FieldSupport();5        boolean isNestedField = fieldSupport.isNestedField("person.name");6        System.out.println(isNestedField);7    }8}

isNestedField

Using AI Code Generation

1package org.assertj.core.util.introspection;2import static org.assertj.core.api.Assertions.assertThat;3import org.assertj.core.util.introspection.FieldSupport;4import org.junit.Test;5public class FieldSupportTest {6	public void testIsNestedField() throws Exception {7		assertThat(FieldSupport.isNestedField("name")).isFalse();8		assertThat(FieldSupport.isNestedField("name.first")).isTrue();9		assertThat(FieldSupport.isNestedField("name.first.last")).isTrue();10		assertThat(FieldSupport.isNestedField("name.first.last.")).isTrue();11		assertThat(FieldSupport.isNestedField("name.first.last..")).isTrue();12		assertThat(FieldSupport.isNestedField("name.first.last...")).isTrue();13	}14}15package org.assertj.core.util.introspection;16import static org.assertj.core.api.Assertions.assertThat;17import org.assertj.core.util.introspection.FieldSupport;18import org.junit.Test;19public class FieldSupportTest {20	public void testIsNestedField() throws Exception {21		assertThat(FieldSupport.isNestedField("name")).isFalse();22		assertThat(FieldSupport.isNestedField("name.first")).isTrue();23		assertThat(FieldSupport.isNestedField("name.first.last")).isTrue();24		assertThat(FieldSupport.isNestedField("name.first.last.")).isTrue();25		assertThat(FieldSupport.isNestedField("name.first.last..")).isTrue();26		assertThat(FieldSupport.isNestedField("name.first.last...")).isTrue();27	}28}29package org.assertj.core.util.introspection;30import static org.assertj.core.api.Assertions.assertThat;31import org.assertj.core.util.introspection.FieldSupport;32import org.junit.Test;33public class FieldSupportTest {34	public void testIsNestedField() throws Exception {35		assertThat(FieldSupport.isNestedField("name")).isFalse();36		assertThat(FieldSupport.isNestedField("name.first")).isTrue();37		assertThat(FieldSupport.isNestedField("name.first.last")).isTrue();38		assertThat(FieldSupport.isNestedField("name.first.last.")).isTrue();39		assertThat(FieldSupport.isNestedField("

isNestedField

Using AI Code Generation

1package org.assertj.core.util.introspection;2import java.lang.reflect.Field;3import java.util.List;4public class FieldSupport {5    private FieldSupport() {6    }7    public static boolean isNestedField(Class<?> type, String name) {8        Field field = getField(type, name);9        return field != null && field.getType().isPrimitive();10    }11    private static Field getField(Class<?> type, String name) {12        try {13            return type.getDeclaredField(name);14        } catch (NoSuchFieldException var3) {15            return null;16        }17    }18    public static boolean isNestedField(Class<?> type, List<String> names) {19        return isNestedField(type, (String)names.get(0));20    }21}22package org.assertj.core.util.introspection;23import java.util.List;24import org.assertj.core.util.introspection.FieldSupport;25public class FieldSupportTest {26    public FieldSupportTest() {27    }28    public static void main(String[] args) {

isNestedField

Using AI Code Generation

1package com.mycompany.app;2import static org.assertj.core.util.introspection.FieldSupport.instance;3import java.lang.reflect.Field;4public class App {5    public static void main(String[] args) {6        Field[] fields = instance().getFieldsIncludingInheritedFields(App.class);7        for (Field field : fields) {8            System.out.println(field.getName());9            System.out.println(instance().isNestedField(field));10        }11    }12}13java.lang.IllegalAccessError: tried to access method org.assertj.core.util.introspection.FieldSupport.isNestedField(Ljava/lang/reflect/Field;)Z from class com.mycompany.app.App14	at com.mycompany.app.App.main(App.java:10)15I tried to use isNestedField method of org.assertj.core.util.introspection.FieldSup ort class in my code, but it is throwing error as below:     System.out.println(FieldSupport.isNestedField(FieldSupportTest.class, "FieldSupportTest"));16    }17}

isNestedField

Using AI Code Generation

1import org.junit.Test;2import static org.assertj.core.api.Assertions.assertThat;3import static org.assertj.core.util.introspection.FieldSupport.EXTRACTION;4public class AssertjTest {5    public void test() {6        assertThat(EXTRACTION.isNestedField("field")).isFalse();7        assertThat(EXTRACTION.isNestedField("field1.field2")).isTrue();8        assertThat(EXTRACTION.isNestedField("field1.field2.field3")).isTrue();9        assertThat(EXTRACTION.isNestedField("field1[0].field2")).isTrue();10        assertThat(EXTRACTION.isNestedField("field1[0].field2[1]")).isTrue();11        assertThat(EXTRACTION.isNestedField("field1[0].field2[1].field3")).isTrue();12        assertThat(EXTRACTION.isNestedField("field1[0].field2[1].field3[2]")).isTrue();13        assertThat(EXTRACTION.isNestedField("field1[0].field2[1].field3[2].field4")).isTrue();14    }15}

isNestedField

Using AI Code Generation

1package com.mycompany.app;2import static org.assertj.core.util.introspection.FieldSupport.instance;3import java.lang.reflect.Field;4public class App {5    public static void main(String[] args) {6        Field[] fields = instance().getFieldsIncludingInheritedFields(App.class);7        for (Field field : fields) {8            System.out.println(field.getName());9            System.out.println(instance().isNestedField(field));10        }11    }12}13java.lang.IllegalAccessError: tried to access method org.assertj.core.util.introspection.FieldSupport.isNestedField(Ljava/lang/reflect/Field;)Z from class com.mycompany.app.App14	at com.mycompany.app.App.main(App.java:10)

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