context = $this->createMock(Context::class); $eventManager = $this->createMock(ManagerInterface::class); $scopeConfig = $this->createMock(ScopeConfigInterface::class); $this->serializer = $this->createMock(SerializerInterface::class); $this->checkoutConfigProvider = $this->createMock(CheckoutConfigProvider::class); $this->context->method('getEventManager')->willReturn($eventManager); $this->context->method('getScopeConfig')->willReturn($scopeConfig); $this->rememberMeInit = new RememberMeInit( $this->context, [], $this->serializer, $this->checkoutConfigProvider ); } public function testToHtml() { $config = ['key' => 'value']; $serializedConfig = json_encode($config); $this->checkoutConfigProvider->method('getConfig')->willReturn($config); $this->serializer->method('serialize')->with($config)->willReturn($serializedConfig); $expectedHtml = ''; $this->assertEquals($expectedHtml, $this->rememberMeInit->toHtml()); } }