Join the 1-day Testing & QA Summit featuring 15+ Expert Speakers.Register for FREE! Join TestMu Conference

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

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

Source:PropertySupport.java

...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.181   * @param target the given {@code Iterable}.182   * @return an {@code Iterable} containing the values of the given property name, from the elements of the given183   *         {@code Iterable}.184   * @throws IntrospectionError if an element in the given {@code Iterable} does not have a property with a matching...

nextPropertyNameFrom

Using AI Code Generation

1import org.assertj.core.util.introspection.PropertySupport;2public class PropertySupportTest {3    public static void main(String[] args) {4        PropertySupport propertySupport = new PropertySupport();5        String nextPropertyName = propertySupport.nextPropertyNameFrom("myProperty");6        System.out.println(nextPropertyName);7    }8}9org.assertj.core.util.introspection.PropertySupport.nextPropertyNameFrom(String) Method Source Code10import org.assertj.core.util.introspection.PropertySupport;11public class PropertySupportTest {12    public static void main(String[] args) {13        PropertySupport propertySupport = new PropertySupport();14        String nextPropertyName = propertySupport.nextPropertyNameFrom("myProperty");15        System.out.println(nextPropertyName);16    }17}

nextPropertyNameFrom

Using AI Code Generation

1@DisplayName("test nextPropertyNameFrom method of PropertySupport class")2public void testNextPropertyNameFrom() {3    assertThat(PropertySupport.nextPropertyNameFrom("getFirstName")).isEqualTo("firstName");4    assertThat(PropertySupport.nextPropertyNameFrom("getF")).isEqualTo("f");5    assertThat(PropertySupport.nextPropertyNameFrom("get")).isEqualTo("");6    assertThat(PropertySupport.nextPropertyNameFrom("get123")).isEqualTo("123");7    assertThat(PropertySupport.nextPropertyNameFrom("getFirst_Name")).isEqualTo("first_Name");8    assertThat(PropertySupport.nextPropertyNameFrom("getFirst-Name")).isEqualTo("first-Name");9    assertThat(PropertySupport.nextPropertyNameFrom("getFirst Name")).isEqualTo("first Name");10}

nextPropertyNameFrom

Using AI Code Generation

1import org.assertj.core.util.introspection.PropertySupport;2public class PropertySupportNextPropertyNameFromMethodExample {3    public static void main(String[] args) {4        String propertyName = "address.street";5        String nextPropertyName = PropertySupport.instance().nextPropertyNameFrom(propertyName);6        System.out.println("Next property name from " + propertyName + " is " + nextPropertyName);7    }8}

nextPropertyNameFrom

Using AI Code Generation

1public class PropertySupportTest {2    public void testNextPropertyNameFrom() {3        assertThat(PropertySupport.nextPropertyNameFrom("foo")).isEqualTo("foo");4        assertThat(PropertySupport.nextPropertyNameFrom("foo.")).isNull();5        assertThat(PropertySupport.nextPropertyNameFrom(".foo")).isNull();6        assertThat(PropertySupport.nextPropertyNameFrom("foo.bar")).isEqualTo("bar");7        assertThat(PropertySupport.nextPropertyNameFrom("foo.bar.baz")).isEqualTo("bar.baz");8        assertThat(PropertySupport.nextPropertyNameFrom("foo.bar.baz.")).isNull();9        assertThat(PropertySupport.nextPropertyNameFrom("foo.bar.baz..")).isNull();10        assertThat(PropertySupport.nextPropertyNameFrom("foo.bar.baz...")).isNull();11        assertThat(PropertySupport.nextPropertyNameFrom("foo.bar.baz....")).isNull();12        assertThat(PropertySupport.nextPropertyNameFrom("foo.bar.baz.....")).isNull();13        assertThat(PropertySupport.nextPropertyNameFrom("foo.bar.baz......")).isNull();14        assertThat(PropertySupport.nextPropertyNameFrom("foo.bar.baz.......")).isNull();15        assertThat(PropertySupport.nextPropertyNameFrom("foo.bar.baz........")).isNull();16        assertThat(PropertySupport.nextPropertyNameFrom("foo.bar.baz.........")).isNull();17        assertThat(PropertySupport.nextPropertyNameFrom("foo.bar.baz..........")).isNull();18        assertThat(PropertySupport.nextPropertyNameFrom("foo.bar.baz...........")).isNull();19        assertThat(PropertySupport.nextPropertyNameFrom("foo.bar.baz............")).isNull();20        assertThat(PropertySupport.nextPropertyNameFrom("foo.bar.baz.............")).isNull();21        assertThat(PropertySupport.nextPropertyNameFrom("foo.bar.baz..............")).isNull();22        assertThat(PropertySupport.nextPropertyNameFrom("foo.bar.baz...............")).isNull();23        assertThat(PropertySupport.nextPropertyNameFrom("foo.bar.baz................")).isNull();24        assertThat(PropertySupport.nextPropertyNameFrom("foo.bar.baz.................")).isNull();25        assertThat(PropertySupport.nextPropertyNameFrom("foo.bar.b

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.