First PHP Unit Test

test-tests-prof.php

<?php

class Health_Check_Tests_Prof_Test extends WP_UnitTestCase {

	private $health_check_site_status;
	private $tests_list;

	public function setUp() {
		parent::setUp();

		$this->$health_check_site_status = new Health_Check_Site_Status();
		$this->$tests_list               = Health_Check_Site_Status::get_tests();
	}

	private function runTest( $func ) {
		$this->assertTrue(
			method_exists( $this->$health_check_site_status, $func ) && is_callable( array( $this->$health_check_site_status, $func ) )
		);

		$start_time = microtime( true );
		ob_start();
		call_user_func( array( $this->$health_check_site_status, $func ) );
		ob_end_clean();

		return round( ( microtime( true ) - $start_time ) * 1000 );
	}

	public function testDirectTestsProf() {
		$tests = $this->$tests_list['direct'];

		foreach ( $tests as $test ) {
			$test_function = sprintf(
				'test_%s',
				$test['test']
			);

			$result = $this->runTest( $test_function );

			/**
			 * Result should be <= 100 miliseconds.
			 */
			$this->assertLessThanOrEqual(
				100,
				$result
			);
		}
	}

	public function testAsyncTestsProf() {
		$tests = $this->$tests_list['async'];

		foreach ( $tests as $test ) {
			$test_function = sprintf(
				'test_%s',
				$test['test']
			);

			$result = $this->runTest( $test_function );

			/**
			 * Result should be >= 100 miliseconds.
			 */
			$this->assertGreaterThanOrEqual(
				100,
				$result
			);
		}
	}
}