API Referenceclass

class OutputAssertion

A class that provides assertion methods to be applied to a selection of rendered output elements.

class OutputAssertion;

Notes

• An instance of this class is returned by the expectOutputAsync(), TestRenderer.expectOutput(), and expectOutputAsync() methods. Use these methods to create new assertions based on the currently rendered (test) output.

Constructor

• new OutputAssertion()
  Creates a new assertion based on given elements, optionally filtered using given selection criteria.

Instance members

• elements readonly
  The elements to be asserted.
• containing()
  Returns a new OutputAssertion for any elements that are contained by the current set of elements (i.e. container content), directly or indirectly, which match the given selection filter.
• getSingle()
  Returns the currently matched output element, if there’s only one.
• getSingleView()
  Returns the view object that rendered the currently matched output element, if there’s only one.
• toBeRendered()
  Asserts that any output elements were matched at all.
• toBeEmpty()
  Asserts that no elements were matched at all.