test-did-action.php

<?php

class Test_Did_Action extends WP_UnitTestCase {
	public function test_did_action_should_be_two_if_action_fired_twice() {
		do_action( 'wink' );
		do_action( 'wink' );
		$this->assertEquals( 2, did_action( 'wink' ) );
	}

	public function test_did_action_should_be_one_if_action_fired_once() {
		do_action( 'wink' );
		$this->assertEquals( 1, did_action( 'wink' ) );
	}

	public function test_did_action_should_be_zero_if_no_action_fired() {
		$this->assertEquals( 0, did_action( 'wink' ) );
	}
}