Class: Spy

Spy()

Namespaces

calls

Members

(static) callData

Properties:

Name	Type	Description
object	object	this context for the invocation.
invocationOrder	number	Order of the invocation.
args	Array	The arguments passed for this invocation.

and :SpyStrategy

Accesses the default strategy for the spy. This strategy will be used whenever the spy is called with arguments that don't match any strategy created with Spy#withArgs.

Type:

• SpyStrategy

Since:

• 2.0.0

Example

spyOn(someObj, 'func').and.returnValue(42);

Methods

withArgs(…args) → {SpyStrategy}

Specifies a strategy to be used for calls to the spy that have the specified arguments.

Parameters:

Name	Type	Attributes	Description
args	*	<repeatable>	The arguments to match

Since:

• 3.0.0

Returns:

Type

SpyStrategy

Example

spyOn(someObj, 'func').withArgs(1, 2, 3).and.returnValue(42);
someObj.func(1, 2, 3); // returns 42