KaneAI - World’s First E2E Software Testing Agent.Signup for Private Beta Join TestMu Conference

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

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

Source:FieldSupport.java

...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:188          Byte byteValue = (byte) fieldValue;189          return (T) byteValue;190        case SHORT:191          Short shortValue = (short) fieldValue;...

nextFieldNameFrom

Using AI Code Generation

1import org.assertj.core.util.introspection.FieldSupport;2import java.util.HashMap;3import java.util.Map;4public class FieldSupportTest {5    public static void main(String[] args) {6        Map<String, Object> map = new HashMap<>();7        map.put("key1", "value1");8        map.put("key2", "value2");9        map.put("key3", "value3");10        map.put("key4", "value4");11        map.put("key5", "value5");12        map.put("key6", "value6");13        map.put("key7", "value7");14        map.put("key8", "value8");15        map.put("key9", "value9");16        map.put("key10", "value10");17        map.put("key11", "value11");18        map.put("key12", "value12");19        map.put("key13", "value13");20        map.put("key14", "value14");21        map.put("key15", "value15");22        map.put("key16", "value16");23        map.put("key17", "value17");24        map.put("key18", "value18");25        map.put("key19", "value19");26        map.put("key20", "value20");27        map.put("key21", "value21");28        map.put("key22", "value22");29        map.put("key23", "value23");30        map.put("key24", "value24");31        map.put("key25", "value25");32        map.put("key26", "value26");33        map.put("key27", "value27");34        map.put("key28", "value28");35        map.put("key29", "value29");36        map.put("key30", "value30");37        map.put("key31", "value31");38        map.put("key32", "value32");39        map.put("key33", "value33");40        map.put("key34", "value34");41        map.put("key35", "value35");42        map.put("key36", "value36");43        map.put("key37", "value37");44        map.put("key38", "value38");45        map.put("key39", "value39");46        map.put("key40", "value40");47        map.put("key41", "value41

nextFieldNameFrom

Using AI Code Generation

1import static org.assertj.core.util.introspection.FieldSupport.nextFieldNameFrom;2import static org.assertj.core.util.introspection.FieldSupport.nextFieldNameFrom;3import static org.assertj.core.util.introspection.FieldSupport.nextFieldNameFrom;4import static org.assertj.core.util.introspection.FieldSupport.nextFieldNameFrom;5import static org.assertj.core.util.introspection.FieldSupport.nextFieldNameFrom;6import static org.assertj.core.util.introspection.FieldSupport.nextFieldNameFrom;7import static org.assertj.core.util.introspection.FieldSupport.nextFieldNameFrom;8import static org.assertj.core.util.introspection.FieldSupport.nextFieldNameFrom;9import static org.assertj.core.util.introspection.FieldSupport.nextFieldNameFrom;10import static org.assertj.core.util.introspection.FieldSupport.nextFieldNameFrom;11import static org.assertj.core.util.introspection.FieldSupport.nextFieldNameFrom;12import static org.assertj.core.util.introspection.FieldSupport.nextFieldNameFrom;13import static org.assertj.core.util.introspection.FieldSupport.nextFieldNameFrom;14import static org.assertj.core.util.introspection.FieldSupport.nextFieldNameFrom;15import static org.assertj.core.util.introspection.FieldSupport.nextFieldNameFrom;16import static org.assertj.core.util.introspection.FieldSupport.nextFieldNameFrom;17import static org.assertj.core.util.introspection.FieldSupport.nextFieldNameFrom;18import static org.assertj.core.util.introspection.FieldSupport.nextFieldNameFrom;19import static org.assertj.core.util.introspection.FieldSupport.nextFieldNameFrom;20import static org.assertj.core.util.introspection.FieldSupport.nextFieldNameFrom;21import static org.assertj.core.util.introspection.FieldSupport.nextFieldNameFrom;22import static org.assertj.core.util.introspection.FieldSupport.nextFieldNameFrom;23import static org.assertj.core.util.introspection.FieldSupport.nextFieldNameFrom;24import static org.assertj.core.util.introspection.FieldSupport.nextFieldNameFrom;25import static org.assertj.core.util.introspection.FieldSupport.nextFieldNameFrom;26import static org.assertj.core.util.introspection.FieldSupport.nextFieldNameFrom;27import static org.assertj.core.util.introspection.FieldSupport.nextFieldNameFrom;28import static org.assertj.core.util.introspection.FieldSupport.nextFieldNameFrom;29import static org.assertj.core.util.introspection.FieldSupport.nextFieldNameFrom;30import static org.assertj.core.util.introspection.FieldSupport.nextFieldNameFrom;31import static org.assertj.core.util.introspection.FieldSupport.nextFieldNameFrom;32import static org.assertj.core.util.introspection.FieldSupport.nextFieldNameFrom;33import static org.assertj.core.util.introspection.FieldSupport.nextFieldNameFrom;34import static org

nextFieldNameFrom

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import static org.assertj.core.util.introspection.FieldSupport.nextFieldNameFrom;3public class FieldSupportTest {4    public void testNextFieldNameFrom() {5        String fieldName = "name";6        assertThat(nextFieldNameFrom("get", fieldName)).isEqualTo("getName");7        assertThat(nextFieldNameFrom("is", fieldName)).isEqualTo("isName");8    }9}10[INFO] --- maven-clean-plugin:3.1.0:clean (default-clean) @ assertj-core ---11[INFO] --- maven-resources-plugin:3.1.0:resources (default-resources) @ assertj-core ---12[INFO] --- maven-compiler-plugin:3.8.0:compile (default-compile) @ assertj-core ---13[INFO] --- maven-resources-plugin:3.1.0:testResources (default-testResources) @ assertj-core ---14[INFO] --- maven-compiler-plugin:3.8.0:testCompile (default-testCompile) @ assertj-core ---15[INFO] --- maven-surefire-plugin:2.22.1:test (default-test) @ assertj-core ---

nextFieldNameFrom

Using AI Code Generation

1import org.assertj.core.util.introspection.FieldSupport;2public class NextFieldFromObject {3    public static void main(String[] args) {4        FieldSupport fs = new FieldSupport();5        String fieldName = fs.nextFieldNameFrom(new Person("John", "Doe", 30));6        System.out.println(fieldName);7    }8}9class Person {10    private String firstName;11    private String lastName;12    private int age;13    public Person(String firstName, String lastName, int age) {14        this.firstName = firstName;15        this.lastName = lastName;16        this.age = age;

Automation Testing Tutorials

Learn to execute automation testing from scratch with LambdaTest Learning Hub. Right from setting up the prerequisites to run your first automation test, to following best practices and diving deeper into advanced test scenarios. LambdaTest Learning Hubs compile a list of step-by-step guides to help you be proficient with different test automation frameworks i.e. Selenium, Cypress, TestNG etc.