public function testAddingSingleHelperSetOverwritesDefaultValues() { $application = new Application(); $application->setAutoExit(false); $application->setHelperSet(new HelperSet(array(new FormatterHelper()))); $helperSet = $application->getHelperSet(); $this->assertTrue($helperSet->has('formatter')); // no other default helper set should be returned $this->assertFalse($helperSet->has('dialog')); $this->assertFalse($helperSet->has('progress')); }