class BanAdminTest

class BanAdminTest extends UnitTestCase {
    
    /**
     * Tests various user input to confirm correct validation.
     *
     * @covers ::validateForm
     * @dataProvider providerIpValidation
     */
    public function testIpValidation(string $ip, bool $isBanned, ?string $error) : void {
        $manager = $this->getIpManagerMock();
        $manager->expects($this->once())
            ->method('isBanned')
            ->with($ip)
            ->willReturn($isBanned);
        $formObject = new BanAdmin($manager);
        $formObject->setStringTranslation($this->getStringTranslationStub());
        $formObject->setRequestStack($this->getRequestStackMock());
        $formState = $this->createMock(FormStateInterface::class);
        $formState->expects($this->any())
            ->method('getValue')
            ->with('ip')
            ->willReturn($ip);
        if ($error === NULL) {
            $formState->expects($this->never())
                ->method('setErrorByName');
        }
        else {
            $formState->expects($this->once())
                ->method('setErrorByName')
                ->with('ip', $error);
        }
        $form = [];
        $formObject->validateForm($form, $formState);
    }
    
    /**
     * Test form submission.
     */
    public function testSubmit() : void {
        $ip = '1.2.3.4';
        $manager = $this->getIpManagerMock();
        $manager->expects($this->once())
            ->method('banIp')
            ->with($ip);
        $messenger = $this->createMock(MessengerInterface::class);
        $messenger->expects($this->once())
            ->method('addStatus');
        $formObject = new BanAdmin($manager);
        $formObject->setStringTranslation($this->getStringTranslationStub());
        $formObject->setMessenger($messenger);
        $formState = $this->createMock(FormStateInterface::class);
        $formState->expects($this->any())
            ->method('getValue')
            ->with('ip')
            ->willReturn($ip);
        $form = [];
        $formObject->submitForm($form, $formState);
    }
    
    /**
     * Test passing an IP address as a route parameter.
     *
     * @covers ::buildForm
     */
    public function testRouteParameter() : void {
        $ip = '1.2.3.4';
        $formObject = new BanAdmin($this->getIpManagerMock());
        $formObject->setStringTranslation($this->getStringTranslationStub());
        $formState = $this->createMock(FormStateInterface::class);
        $form = $formObject->buildForm([], $formState, $ip);
        $this->assertSame($ip, $form['ip']['#default_value']);
    }
    
    /**
     * Data provider for testIpValidation().
     */
    public static function providerIpValidation() : array {
        return [
            'valid ip' => [
                '1.2.3.3',
                FALSE,
                NULL,
            ],
            'already blocked' => [
                '1.2.3.3',
                TRUE,
                'This IP address is already banned.',
            ],
            'reserved ip' => [
                '255.255.255.255',
                FALSE,
                'Enter a valid IP address.',
            ],
            'fqdn' => [
                'test.example.com',
                FALSE,
                'Enter a valid IP address.',
            ],
            'empty' => [
                '',
                FALSE,
                'Enter a valid IP address.',
            ],
            'client ip' => [
                '127.0.0.1',
                FALSE,
                'You may not ban your own IP address.',
            ],
        ];
    }
    
    /**
     * Get a request stack with a dummy IP.
     */
    protected function getRequestStackMock() : RequestStack {
        $request = $this->createMock(Request::class);
        $request->expects($this->any())
            ->method('getClientIp')
            ->willReturn('127.0.0.1');
        $requestStack = $this->createMock(RequestStack::class);
        $requestStack->expects($this->any())
            ->method('getCurrentRequest')
            ->willReturn($request);
        return $requestStack;
    }
    
    /**
     * Get the mocked IP manager service.
     */
    protected function getIpManagerMock() : BanIpManagerInterface {
        $manager = $this->createMock(BanIpManagerInterface::class);
        $manager->expects($this->any())
            ->method('findAll')
            ->willReturn([]);
        return $manager;
    }

}