class IpAddressBlockingTest

class IpAddressBlockingTest extends BrowserTestBase {
    
    /**
     * Modules to install.
     *
     * @var array
     */
    protected static $modules = [
        'ban',
    ];
    
    /**
     * {@inheritdoc}
     */
    protected $defaultTheme = 'stark';
    
    /**
     * Tests various user input to confirm correct validation and saving of data.
     */
    public function testIPAddressValidation() : void {
        // Create user.
        $admin_user = $this->drupalCreateUser([
            'ban IP addresses',
        ]);
        $this->drupalLogin($admin_user);
        $this->drupalGet('admin/config/people/ban');
        $connection = Database::getConnection();
        // Ban a valid IP address.
        $edit = [];
        $edit['ip'] = '1.2.3.3';
        $this->drupalGet('admin/config/people/ban');
        $this->submitForm($edit, 'Add');
        $ip = $connection->select('ban_ip', 'bi')
            ->fields('bi', [
            'iid',
        ])
            ->condition('ip', $edit['ip'])
            ->execute()
            ->fetchField();
        $this->assertNotEmpty($ip, 'IP address found in database.');
        $this->assertSession()
            ->pageTextContains('The IP address 1.2.3.3 has been banned.');
        // Try to block an IP address that's already blocked.
        $edit = [];
        $edit['ip'] = '1.2.3.3';
        $this->drupalGet('admin/config/people/ban');
        $this->submitForm($edit, 'Add');
        $this->assertSession()
            ->pageTextContains('This IP address is already banned.');
        // Try to block a reserved IP address.
        $edit = [];
        $edit['ip'] = '255.255.255.255';
        $this->drupalGet('admin/config/people/ban');
        $this->submitForm($edit, 'Add');
        $this->assertSession()
            ->pageTextContains('Enter a valid IP address.');
        // Try to block a reserved IP address.
        $edit = [];
        $edit['ip'] = 'test.example.com';
        $this->drupalGet('admin/config/people/ban');
        $this->submitForm($edit, 'Add');
        $this->assertSession()
            ->pageTextContains('Enter a valid IP address.');
        // Submit an empty form.
        $edit = [];
        $edit['ip'] = '';
        $this->drupalGet('admin/config/people/ban');
        $this->submitForm($edit, 'Add');
        $this->assertSession()
            ->pageTextContains('Enter a valid IP address.');
        // Pass an IP address as a URL parameter and submit it.
        $submit_ip = '1.2.3.4';
        $this->drupalGet('admin/config/people/ban/' . $submit_ip);
        $this->submitForm([], 'Add');
        $ip = $connection->select('ban_ip', 'bi')
            ->fields('bi', [
            'iid',
        ])
            ->condition('ip', $submit_ip)
            ->execute()
            ->fetchField();
        $this->assertNotEmpty($ip, 'IP address found in database');
        $this->assertSession()
            ->pageTextContains("The IP address {$submit_ip} has been banned.");
        // Submit your own IP address. This fails, although it works when testing
        // manually.
        // @todo On some systems this test fails due to a bug/inconsistency in cURL.
        // $edit = array();
        // $edit['ip'] = \Drupal::request()->getClientIP();
        // $this->drupalGet('admin/config/people/ban');
        // $this->submitForm($edit, 'Save');
        // $this->assertSession()->pageTextContains('You may not ban your own IP address.');
        // Test duplicate ip address are not present in the 'blocked_ips' table.
        // when they are entered programmatically.
        $banIp = new BanIpManager($connection);
        $ip = '1.0.0.0';
        $banIp->banIp($ip);
        $banIp->banIp($ip);
        $banIp->banIp($ip);
        $query = $connection->select('ban_ip', 'bip');
        $query->fields('bip', [
            'iid',
        ]);
        $query->condition('bip.ip', $ip);
        $ip_count = $query->execute()
            ->fetchAll();
        $this->assertCount(1, $ip_count);
        $ip = '';
        $banIp->banIp($ip);
        $banIp->banIp($ip);
        $query = $connection->select('ban_ip', 'bip');
        $query->fields('bip', [
            'iid',
        ]);
        $query->condition('bip.ip', $ip);
        $ip_count = $query->execute()
            ->fetchAll();
        $this->assertCount(1, $ip_count);
    }

}