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

Best Assertj code snippet using org.assertj.core.util.introspection.PropertyOrFieldSupport.isNested

Source:PropertyOrFieldSupport.java

...36  public Object getValueOf(String propertyOrFieldName, Object input) {37    checkArgument(propertyOrFieldName != null, "The name of the property/field to read should not be null");38    checkArgument(!propertyOrFieldName.isEmpty(), "The name of the property/field to read should not be empty");39    checkArgument(input != null, "The object to extract property/field from should not be null");40    if (isNested(propertyOrFieldName)) {41      String firstPropertyName = popNameFrom(propertyOrFieldName);42      Object propertyOrFieldValue = getSimpleValue(firstPropertyName, input);43      // when one of the intermediate nested property/field value is null, return null44      if (propertyOrFieldValue == null) return null;45      // extract next sub-property/field value until reaching the last sub-property/field46      return getValueOf(nextNameFrom(propertyOrFieldName), propertyOrFieldValue);47    }48    return getSimpleValue(propertyOrFieldName, input);49  }50  public Object getSimpleValue(String propertyOrFieldName, Object input) {51    // first try to get given property values from objects, then try fields52    try {53      return propertySupport.propertyValueOf(propertyOrFieldName, Object.class, input);54    } catch (IntrospectionError propertyIntrospectionError) {55      // no luck with properties, let's try fields56      try {57        return fieldSupport.fieldValue(propertyOrFieldName, Object.class, input);58      } catch (IntrospectionError fieldIntrospectionError) {59        // no field nor property found with given name, it is considered as an error60        String message = format("%nCan't find any field or property with name '%s'.%n" +61                                "Error when introspecting properties was :%n" +62                                "- %s %n" +63                                "Error when introspecting fields was :%n" +64                                "- %s",65                                propertyOrFieldName, propertyIntrospectionError.getMessage(),66                                fieldIntrospectionError.getMessage());67        throw new IntrospectionError(message, fieldIntrospectionError);68      }69    }70  }71  private String popNameFrom(String propertyOrFieldNameChain) {72    if (!isNested(propertyOrFieldNameChain)) return propertyOrFieldNameChain;73    return propertyOrFieldNameChain.substring(0, propertyOrFieldNameChain.indexOf(SEPARATOR));74  }75  private String nextNameFrom(String propertyOrFieldNameChain) {76    if (!isNested(propertyOrFieldNameChain)) return "";77    return propertyOrFieldNameChain.substring(propertyOrFieldNameChain.indexOf(SEPARATOR) + 1);78  }79  private boolean isNested(String propertyOrFieldName) {80    return propertyOrFieldName.contains(SEPARATOR)81           && !propertyOrFieldName.startsWith(SEPARATOR)82           && !propertyOrFieldName.endsWith(SEPARATOR);83  }84}...

isNested

Using AI Code Generation

1import org.assertj.core.util.introspection.PropertyOrFieldSupport;2public class IsNestedTest {3    public static void main(String[] args) {4        PropertyOrFieldSupport propertyOrFieldSupport = new PropertyOrFieldSupport();5        System.out.println(propertyOrFieldSupport.isNested("address.street"));6    }7}

isNested

Using AI Code Generation

1import org.assertj.core.util.introspection.PropertyOrFieldSupport;2public class Test {3    public static void main(String[] args) throws Exception {4        PropertyOrFieldSupport propertyOrFieldSupport = new PropertyOrFieldSupport();5        System.out.println(propertyOrFieldSupport.isNested("name"));6    }7}

isNested

Using AI Code Generation

1import org.assertj.core.util.introspection.PropertyOrFieldSupport;2import org.junit.Test;3import static org.assertj.core.api.Assertions.assertThat;4public class AssertJTest {5    public void test() {6        assertThat(PropertyOrFieldSupport.instance().isNested("user.name")).isTrue();7    }8}

isNested

Using AI Code Generation

1import org.assertj.core.util.introspection.PropertyOrFieldSupport;2import java.util.List;3public class AssertjNested {4    public static void main(String[] args) {5        PropertyOrFieldSupport propertyOrFieldSupport = new PropertyOrFieldSupport();6        System.out.println(propertyOrFieldSupport.isNested("a.b", List.class));7    }8}9import org.assertj.core.util.introspection.PropertyOrFieldSupport;10import java.util.List;11public class AssertjNested {12    public static void main(String[] args) {13        PropertyOrFieldSupport propertyOrFieldSupport = new PropertyOrFieldSupport();14        System.out.println(propertyOrFieldSupport.isNested("a.b", List.class));15    }16}

isNested

Using AI Code Generation

1import org.assertj.core.util.introspection.PropertyOrFieldSupport;2public class AssertjIsNestedExample {3	public static void main(String[] args) {4		PropertyOrFieldSupport support = new PropertyOrFieldSupport();5		System.out.println(support.isNested("name"));6		System.out.println(support.isNested("address.city"));7		System.out.println(support.isNested("address"));8		System.out.println(support.isNested("address."));9		System.out.println(support.isNested("address[]"));10		System.out.println(support.isNested("address[0]"));11		System.out.println(support.isNested("address[0].city"));12	}13}

isNested

Using AI Code Generation

1import org.assertj.core.util.introspection.PropertyOrFieldSupport;2import static org.assertj.core.api.Assertions.*;3public class AssertJNestedFields {4    public static void main(String[] args) {5        PropertyOrFieldSupport propertyOrFieldSupport = new PropertyOrFieldSupport();6        assertThat(propertyOrFieldSupport.isNested("a.b.c")).isTrue();7        assertThat(propertyOrFieldSupport.isNested("a")).isFalse();8        assertThat(propertyOrFieldSupport.isNested("a.b")).isTrue();9    }10}11[INFO] --- exec-maven-plugin:1.6.0:exec (default-cli) @ AssertJNestedFields ---

isNested

Using AI Code Generation

1    public void testNestedProperty() {2        String nestedProperty = "address.street";3        Object object = new Person("John", "Doe", new Address("Main Street", "New York"));4        boolean isNested = PropertyOrFieldSupport.isNested(nestedProperty);5        assertThat(isNested).isTrue();6        Object value = PropertyOrFieldSupport.EXTRACTION.getValue(object, nestedProperty);7        assertThat(value).isEqualTo("Main Street");8    }9    public void testSimpleProperty() {10        String simpleProperty = "firstName";11        Object object = new Person("John", "Doe", new Address("Main Street", "New York"));12        boolean isNested = PropertyOrFieldSupport.isNested(simpleProperty);13        assertThat(isNested).isFalse();14        Object value = PropertyOrFieldSupport.EXTRACTION.getValue(object, simpleProperty);15        assertThat(value).isEqualTo("John");16    }17    public void testNestedPropertyWithArray() {18        String nestedProperty = "addresses[0].street";19        Object object = new Person("John", "Doe", new Address("Main Street", "New York"));20        boolean isNested = PropertyOrFieldSupport.isNested(nestedProperty);21        assertThat(isNested).isTrue();22        Object value = PropertyOrFieldSupport.EXTRACTION.getValue(object, nestedProperty);23        assertThat(value).isEqualTo("Main Street");24    }25    public void testNestedPropertyWithArrayAndIndex() {26        String nestedProperty = "addresses[0].street";27        Object object = new Person("John", "Doe", new Address("Main Street", "New York"), new Address("2nd Street", "Boston"));28        boolean isNested = PropertyOrFieldSupport.isNested(nestedProperty);29        assertThat(isNested).isTrue();30        Object value = PropertyOrFieldSupport.EXTRACTION.getValue(object, nestedProperty);31        assertThat(value).isEqualTo("Main Street");32    }33    public void testNestedPropertyWithArrayAndIndexOutOfBounds() {

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