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How to use isNestedProperty method of org.assertj.core.util.introspection.PropertySupport class

Best Assertj code snippet using org.assertj.core.util.introspection.PropertySupport.isNestedProperty

Source:PropertySupport.java

...63  public <T> List<T> propertyValues(String propertyName, Class<T> clazz, Iterable<?> target) {64    if (isNullOrEmpty(target)) {65      return emptyList();66    }67    if (isNestedProperty(propertyName)) {68      String firstPropertyName = popPropertyNameFrom(propertyName);69      Iterable<Object> propertyValues = propertyValues(firstPropertyName, Object.class, target);70      // extract next sub-property values until reaching the last sub-property71      return propertyValues(nextPropertyNameFrom(propertyName), clazz, propertyValues);72    }73    return simplePropertyValues(propertyName, clazz, target);74  }75  /**76   * Static variant of {@link #propertyValueOf(String, Class, Object)} for syntactic sugar.77   *78   * @param <T> the type of the extracted elements.79   * @param propertyName the name of the property. It may be a nested property. It is left to the clients to validate80   *          for {@code null} or empty.81   * @param target the given object82   * @param clazz type of property83   * @return a the values of the given property name84   * @throws IntrospectionError if the given target does not have a property with a matching name.85   */86  public static <T> T propertyValueOf(String propertyName, Object target, Class<T> clazz) {87    return instance().propertyValueOf(propertyName, clazz, target);88  }89  private <T> List<T> simplePropertyValues(String propertyName, Class<T> clazz, Iterable<?> target) {90    return stream(target).map(e -> e == null ? null : propertyValue(propertyName, clazz, e))91                         .collect(collectingAndThen(toList(), Collections::unmodifiableList));92  }93  private String popPropertyNameFrom(String propertyNameChain) {94    if (!isNestedProperty(propertyNameChain)) {95      return propertyNameChain;96    }97    return propertyNameChain.substring(0, propertyNameChain.indexOf(SEPARATOR));98  }99  private String nextPropertyNameFrom(String propertyNameChain) {100    if (!isNestedProperty(propertyNameChain)) {101      return "";102    }103    return propertyNameChain.substring(propertyNameChain.indexOf(SEPARATOR) + 1);104  }105  /*106   * <pre><code class='java'> isNestedProperty(&quot;address.street&quot;); // true107   * isNestedProperty(&quot;address.street.name&quot;); // true108   * isNestedProperty(&quot;person&quot;); // false109   * isNestedProperty(&quot;.name&quot;); // false110   * isNestedProperty(&quot;person.&quot;); // false111   * isNestedProperty(&quot;person.name.&quot;); // false112   * isNestedProperty(&quot;.person.name&quot;); // false113   * isNestedProperty(&quot;.&quot;); // false114   * isNestedProperty(&quot;&quot;); // false</code></pre>115   */116  private boolean isNestedProperty(String propertyName) {117    return propertyName.contains(SEPARATOR) && !propertyName.startsWith(SEPARATOR) && !propertyName.endsWith(SEPARATOR);118  }119  /**120   * Return the value of a simple property from a target object.121   * <p>122   * This only works for simple property, nested property are not supported ! use123   * {@link #propertyValueOf(String, Class, Object)}124   *125   * @param <T> the type of the extracted value.126   * @param propertyName the name of the property. It may be a nested property. It is left to the clients to validate127   *          for {@code null} or empty.128   * @param target the given object129   * @param clazz type of property130   * @return a the values of the given property name131   * @throws IntrospectionError if the given target does not have a property with a matching name.132   */133  @SuppressWarnings("unchecked")134  public <T> T propertyValue(String propertyName, Class<T> clazz, Object target) {135    Method getter = getPropertyGetter(propertyName, target);136    try {137      return (T) getter.invoke(target);138    } catch (ClassCastException e) {139      String msg = format("Unable to obtain the value of the property <'%s'> from <%s> - wrong property type specified <%s>",140                          propertyName, target, clazz);141      throw new IntrospectionError(msg, e);142    } catch (Exception unexpected) {143      String msg = format("Unable to obtain the value of the property <'%s'> from <%s>", propertyName, target);144      throw new IntrospectionError(msg, unexpected);145    }146  }147  /**148   * Returns the value of the given property name given target. If the given object is {@code null}, this method will149   * return null.<br>150   * This method supports nested properties (e.g. "address.street.number").151   *152   * @param <T> the type of the extracted value.153   * @param propertyName the name of the property. It may be a nested property. It is left to the clients to validate154   *          for {@code null} or empty.155   * @param clazz the class of property.156   * @param target the given Object to extract property from.157   * @return the value of the given property name given target.158   * @throws IntrospectionError if target object does not have a property with a matching name.159   * @throws IllegalArgumentException if propertyName is null.160   */161  public <T> T propertyValueOf(String propertyName, Class<T> clazz, Object target) {162    checkArgument(propertyName != null, "the property name should not be null.");163    // returns null if target is null as we can't extract a property from a null object164    // but don't want to raise an exception if we were looking at a nested property165    if (target == null) return null;166    if (isNestedProperty(propertyName)) {167      String firstPropertyName = popPropertyNameFrom(propertyName);168      Object propertyValue = propertyValue(firstPropertyName, Object.class, target);169      // extract next sub-property values until reaching the last sub-property170      return propertyValueOf(nextPropertyNameFrom(propertyName), clazz, propertyValue);171    }172    return propertyValue(propertyName, clazz, target);173  }174  /**175   * Returns a <code>{@link List}</code> containing the values of the given property name, from the elements of the176   * given <code>{@link Iterable}</code>. If the given {@code Iterable} is empty or {@code null}, this method will177   * return an empty {@code List}. This method supports nested properties (e.g. "address.street.number").178   *179   * @param fieldOrPropertyName the name of the property. It may be a nested property. It is left to the clients to validate180   *          for {@code null} or empty....

isNestedProperty

Using AI Code Generation

1import static org.assertj.core.api.Assertions.assertThat;2import java.util.HashMap;3import java.util.Map;4import org.assertj.core.util.introspection.PropertySupport;5import org.junit.Test;6public class AssertJTest {7	public void test() {8		Map<String, Object> map = new HashMap<>();9		map.put("name", "John");10		map.put("age", 25);11		Map<String, Object> address = new HashMap<>();12		address.put("city", "New York");13		address.put("country", "USA");14		map.put("address", address);15		assertThat(PropertySupport.instance().isNestedProperty("address.city")).isTrue();16		assertThat(PropertySupport.instance().isNestedProperty("address")).isFalse();17		assertThat(PropertySupport.instance().isNestedProperty("address.city")).isTrue();18		assertThat(Property

isNestedProperty

Using AI Code Generation

1import static org.assertj.core.util.introspection.PropertySupport.instance().isNestedProperty;2assertThat(isNestedProperty("address.street")).isTrue();3assertThat(isNestedProperty("address.streetNumber")).isTrue();4assertThat(isNestedProperty("address.street.number")).isTrue();5assertThat(isNestedProperty("address.streetNumber.number")).isTrue();6assertThat(isNestedProperty("address.streetNumber.number")).isTrue();7assertThat(isNestedProperty("address")).isFalse();

isNestedProperty

Using AI Code Generation

1import org.assertj.core.util.introspection.PropertySupport;2public class AssertJTest {3    public static void main(String[] args) {4        System.out.println(PropertySupport.instance().isNestedProperty("a.b"));5        System.out.println(PropertySupport.instance().isNestedProperty("a.b.c"));6        System.out.println(PropertySupport.instance().isNestedProperty("a.b.c."));7        System.out.println(PropertySupport.instance().isNestedProperty("a.b.c.d"));8        System.out.println(PropertySupport.instance().isNestedProperty("a.b.c.d."));9        System.out.println(PropertySupport.instance().isNestedProperty("a.b.c.d.e"));10        System.out.println(PropertySupport.instance().isNestedProperty("a.b.c.d.e."));11        System.out.println(PropertySupport.instance().isNestedProperty("a.b.c.d.e.f"));12        System.out.println(PropertySupport.instance().isNestedProperty("a.b.c.d.e.f."));13        System.out.println(PropertySupport.instance().isNestedProperty("a.b.c.d.e.f.g"));14        System.out.println(PropertySupport.instance().isNestedProperty("a.b.c.d.e.f.g."));15        System.out.println(PropertySupport.instance().isNestedProperty("a.b.c.d.e.f.g.h"));16        System.out.println(PropertySupport.instance().isNestedProperty("a.b.c.d.e.f.g.h."));17        System.out.println(PropertySupport.instance().isNestedProperty("a.b.c.d.e.f.g.h.i"));18        System.out.println(PropertySupport.instance().isNestedProperty("a.b.c.d.e.f.g.h.i."));19        System.out.println(PropertySupport.instance().isNestedProperty("a.b.c.d.e.f.g.h.i.j"));20        System.out.println(PropertySupport.instance().isNestedProperty("a.b.c.d.e.f.g.h.i.j."));21        System.out.println(PropertySupport.instance().isNestedProperty("a.b.c.d.e.f.g.h.i.j.k"));22        System.out.println(PropertySupport.instance().isNestedProperty("a.b.c.d.e.f.g.h.i.j.k."));23        System.out.println(PropertySupport.instance().isNestedProperty("a.b.c.d.e.f.g.h.i.j.k.l"));24        System.out.println(PropertySupport.instance().isNestedProperty("a.b.c.d.e.f.g.h.i.j.k.l."));25        System.out.println(PropertySupport.instance().isNestedProperty("a.b.c.d.e.f.g.h.i.j.k.l.m"));26        System.out.println(PropertySupport.instance().isNestedProperty("a.b.c.d.e.f.g.h

isNestedProperty

Using AI Code Generation

1assertThat(1).isEqualTo(1);2assertThat(new int[]{1, 2, 3}).contains(1, atIndex(0));3assertThat(new int[]{1, 2, 3}).contains(1, atIndex(1));4assertThat(new int[]{1, 2, 3}).contains(1, atIndex(2));5assertThat(1).isEqualTo(1);6assertThat(new int[]{1, 2, 3}).contains(1, atIndex(1));7assertThat(new int[]{1, 2, 3}).contains(1, atIndex(2));8assertThat(new int[]{1, 2, 3}).contains(1, atIndex(0));9assertThat(1).isEqualTo(1);10assertThat(new int[]{1, 2, 3}).contains(1, atIndex(2));11assertThat(new int[]{1, 2, 3}).contains(1, atIndex(0));12assertThat(new int[]{1, 2, 3}).contains(1, atIndex(1));13assertThat(1).isEqualTo(1);14assertThat(new int[]{1, 2, 3}).contains(1, atIndex(0));15assertThat(new int[]{1, 2, 3}).contains(1, atIndex(2));16assertThat(new int[]{1, 2, 3}).contains(1, atIndex(1));17assertThat(1).isEqualTo(1);18assertThat(new int[]{1, 2, 3}).contains(1, atIndex(2));19assertThat(new int[]{1, 2, 3}).contains(1, atIndex(1));20assertThat(new int[]{1, 2, 3}).contains(1, atIndex(0));21assertThat(1).isEqualTo(1);22assertThat(new int[]{1, 2, 3}).contains(1, atIndex(1));23assertThat(new int[]{1, 2, 3}).contains(1, atIndex(0));24assertThat(new int[]{1, 2, 3}).contains(1, atIndex(2));25assertThat(1).isEqualTo(1);26assertThat(new int[]{1, 2, 3}).contains(1, atIndex(1));27assertThat(new int[]{1, 2, 3}).contains(1, atIndex(2));28assertThat(new int[]{1, 2, 3}).contains(

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