HasProperty (Hamcrest 2.2 API)
Date: 2019-10-17

org.hamcrest.beans

## Class HasProperty<T>

- java.lang.Object
- - org.hamcrest.BaseMatcher<T>
  - - org.hamcrest.TypeSafeMatcher<T>
    - - org.hamcrest.beans.HasProperty<T>

- All Implemented Interfaces:
    Matcher<T>, SelfDescribing

      public class HasProperty<T>
      extends TypeSafeMatcher<T>

  A Matcher that checks that an object has a JavaBean property with the specified name. If an error occurs during introspection of the object then this is treated as a mismatch.

- - ### Constructor Summary

    Constructors
    Constructor and Description
    `HasProperty(java.lang.String propertyName)`

  - ### Method Summary

    All Methods Static Methods Instance Methods Concrete Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `describeMismatchSafely(T item, Description mismatchDescription)` Subclasses should override this.
    `void` | `describeTo(Description description)` Generates a description of the object.
    `static <T> Matcher<T>` | `hasProperty(java.lang.String propertyName)` Creates a matcher that matches when the examined object has a JavaBean property with the specified name.
    `boolean` | `matchesSafely(T obj)` Subclasses should implement this.

    - ### Methods inherited from class org.hamcrest.TypeSafeMatcher

      `describeMismatch, matches`

    - ### Methods inherited from class org.hamcrest.BaseMatcher

      `_dont_implement_Matcher___instead_extend_BaseMatcher_, isNotNull, toString`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

- - ### Constructor Detail

    - #### HasProperty

          public HasProperty(java.lang.String propertyName)

  - ### Method Detail

    - #### matchesSafely

          public boolean matchesSafely(T obj)

      Description copied from class: `TypeSafeMatcher`
      Subclasses should implement this. The item will already have been checked for the specific type and will never be null.
      Specified by:
        `matchesSafely` in class `TypeSafeMatcher<T>`

    - #### describeMismatchSafely

          public void describeMismatchSafely(T item,
                                             Description mismatchDescription)

      Description copied from class: `TypeSafeMatcher`
      Subclasses should override this. The item will already have been checked for the specific type and will never be null.
      Overrides:
        `describeMismatchSafely` in class `TypeSafeMatcher<T>`

    - #### describeTo

          public void describeTo(Description description)

      Description copied from interface: `SelfDescribing`
      Generates a description of the object. The description may be part of a a description of a larger object of which this is just a component, so it should be worded appropriately.
      Parameters:
        `description` - The description to be built or appended to.

    - #### hasProperty

          public static <T> Matcher<T> hasProperty(java.lang.String propertyName)

      Creates a matcher that matches when the examined object has a JavaBean property with the specified name. For example:

          assertThat(myBean, hasProperty("foo"))

      Parameters:
        `propertyName` - the name of the JavaBean property that examined beans should possess