<?php

class Form_validation_test extends CI_TestCase {
    
    public function set_up()
    {          
        $_SERVER['REQUEST_METHOD'] = 'POST';
        
        // Create a mock loader since load->helper() looks in the wrong directories for unit tests,
        // We'll use CI_TestCase->helper() instead
        $ldr = $this->getMock('CI_Loader', array('helper'));
        // At current, CI_Form_Validation only calls load->helper("form")
        // Assert this so that if that changes this fails fast
        $ldr->expects($this->once())
                ->method('helper')
                ->with($this->equalTo('form'));
        
        // Same applies for lang
        $lang = $this->getMock('CI_Lang', array('load'));
        
        // Setup CI_Input
        // Set config for Input class
        $this->ci_set_config('allow_get_array',	TRUE);
        $this->ci_set_config('global_xss_filtering', FALSE);
        $this->ci_set_config('csrf_protection', FALSE);

        $security = new Mock_Core_Security();

        $this->ci_set_config('charset', 'UTF-8');
        $utf8 = new Mock_Core_Utf8();

        $inp = new Mock_Core_Input($security, $utf8);
        
        $this->ci_instance_var('lang', $lang);
        $this->ci_instance_var('load', $ldr);
        $this->ci_instance_var('input', $inp);
        
        $this->lang('form_validation');
        $this->helper('form');
        
        $this->form_validation = new CI_Form_validation();
    }
    
    public function test___construct()
    {
        $this->assertNotNull($this->form_validation);
    }
    
    public function test_rule_required()
    {
        $this->assertTrue($this->run_rule('required', ' someValue'));
        
        $this->assertFalse($this->run_rule('required', ''));
        $this->assertFalse($this->run_rule('required', ' '));
    }
    
    public function test_rule_matches()
    {
        // Empty input should pass any rule unless required is also specified
        $this->assertTrue($this->run_rule('matches[sample]', ''));
        $this->assertTrue($this->run_rule('matches[s]', 's'));
        
        $this->assertFalse($this->run_rule('matches[Sample]', 'sample'));
        $this->assertFalse($this->run_rule('matches[sample]', ' sample'));
    }
    
    public function test_rule_differs()
    {
        // Empty input should pass any rule unless required is also specified
        $this->assertTrue($this->run_rule('differs[sample]', ''));
        $this->assertTrue($this->run_rule('differs[sample]', 'Sample'));
        $this->assertTrue($this->run_rule('differs[sample]', ' sample'));
        
        $this->assertFalse($this->run_rule('differs[sample]', 'sample'));
    }
    
    public function test_rule_min_length()
    {
        // Empty input should pass any rule unless required is also specified
        $this->assertTrue($this->run_rule('min_length[34]', ''));
        $this->assertTrue($this->run_rule('min_length[2]', '12'));
        $this->assertTrue($this->run_rule('min_length[2]', ' 2'));
        
        $this->assertFalse($this->run_rule('min_length[2]', '1'));
        $this->assertFalse($this->run_rule('min_length[4]|required', ''));
    }
    
    public function test_rule_max_length()
    {
        // Empty input should pass any rule unless required is also specified
        $this->assertTrue($this->run_rule('max_length[4]', ''));
        $this->assertTrue($this->run_rule('max_length[4]', '1234'));
        
        $this->assertFalse($this->run_rule('max_length[4]', '12345'));
    }
    
    public function test_rule_exact_length()
    {
        // Empty input should pass any rule unless required is also specified
        $this->assertTrue($this->run_rule('exact_length[4]', ''));
        $this->assertTrue($this->run_rule('exact_length[4]', '1234'));
        
        $this->assertFalse($this->run_rule('exact_length[4]', '123'));
        $this->assertFalse($this->run_rule('exact_length[4]', '12345'));
    }
    
    public function test_rule_greater_than()
    {
        // Empty input should pass any rule unless required is also specified
        $this->assertTrue($this->run_rule('greater_than[-10]', ''));
        $this->assertTrue($this->run_rule('greater_than[-10]', '-9'));
        
        $this->assertFalse($this->run_rule('greater_than[-10]', '-99'));
        $this->assertFalse($this->run_rule('greater_than[-10]', 'a'));
    }
    
    public function test_rule_greater_than_equal_to()
    {
        // Empty input should pass any rule unless required is also specified
        $this->assertTrue($this->run_rule('greater_than_equal_to[0]', ''));
        $this->assertTrue($this->run_rule('greater_than_equal_to[0]', '0'));
        $this->assertTrue($this->run_rule('greater_than_equal_to[0]', '1'));
        
        $this->assertFalse($this->run_rule('greater_than_equal_to[0]', '-1'));
        $this->assertFalse($this->run_rule('greater_than_equal_to[0]', 'a'));
    }
    
    public function test_rule_less_than()
    {
        // Empty input should pass any rule unless required is also specified
        $this->assertTrue($this->run_rule('less_than[0]', ''));
        $this->assertTrue($this->run_rule('less_than[0]', '-1'));
        
        $this->assertFalse($this->run_rule('less_than[0]', '0'));
        $this->assertFalse($this->run_rule('less_than[0]', 'a'));
    }
    
    public function test_rule_less_than_equal_to()
    {
        // Empty input should pass any rule unless required is also specified
        $this->assertTrue($this->run_rule('less_than_equal_to[0]', ''));
        $this->assertTrue($this->run_rule('less_than_equal_to[0]', '-1'));
        $this->assertTrue($this->run_rule('less_than_equal_to[0]', '0'));
        
        $this->assertFalse($this->run_rule('less_than_equal_to[0]', '1'));
        $this->assertFalse($this->run_rule('less_than_equal_to[0]', 'a'));
    }
    
    public function test_rule_in_list()
    {
        // Empty input should pass any rule unless required is also specified
        $this->assertTrue($this->run_rule('in_list[red,Blue,123]', ''));
        $this->assertTrue($this->run_rule('in_list[red,Blue,123]', 'red'));
        $this->assertTrue($this->run_rule('in_list[red,Blue,123]', 'Blue'));
        $this->assertTrue($this->run_rule('in_list[red,Blue,123]', '123'));
        
        $this->assertFalse($this->run_rule('in_list[red,Blue,123]', 'Red'));
        $this->assertFalse($this->run_rule('in_list[red,Blue,123]', 'blue'));
        $this->assertFalse($this->run_rule('in_list[red,Blue,123]', ' red'));
    }
    
    public function test_rule_alpha()
    {
        // Empty input should pass any rule unless required is also specified
        $this->assertTrue($this->run_rule('alpha', ''));
        $this->assertTrue($this->run_rule('alpha', 'abcdefghijklmnopqrstuvwxyzABCDEFGHLIJKLMNOPQRSTUVWXYZ'));
        
        $this->assertFalse($this->run_rule('alpha', 'abcdefghijklmnopqrstuvwxyzABCDEFGHLIJKLMNOPQRSTUVWXYZ '));
        $this->assertFalse($this->run_rule('alpha', 'abcdefghijklmnopqrstuvwxyzABCDEFGHLIJKLMNOPQRSTUVWXYZ1'));
        $this->assertFalse($this->run_rule('alpha', 'abcdefghijklmnopqrstuvwxyzABCDEFGHLIJKLMNOPQRSTUVWXYZ*'));
    }
    
    public function test_rule_alpha_numeric()
    {
        // Empty input should pass any rule unless required is also specified
        $this->assertTrue($this->run_rule('alpha_numeric', ''));
        $this->assertTrue($this->run_rule('alpha_numeric', 'abcdefghijklmnopqrstuvwxyzABCDEFGHLIJKLMNOPQRSTUVWXYZ0123456789'));
        
        $this->assertFalse($this->run_rule('alpha_numeric', 'abcdefghijklmnopqrstuvwxyzABCDEFGHLIJKLMNOPQRSTUVWXYZ0123456789\ '));
        $this->assertFalse($this->run_rule('alpha_numeric', 'abcdefghijklmnopqrstuvwxyzABCDEFGHLIJKLMNOPQRSTUVWXYZ0123456789_'));
    }
    
    public function test_rule_alpha_numeric_spaces()
    {
        // Empty input should pass any rule unless required is also specified
        $this->assertTrue($this->run_rule('alpha_numeric_spaces', ''));
        $this->assertTrue($this->run_rule('alpha_numeric_spaces', ' abcdefghijklmnopqrstuvwxyzABCDEFGHLIJKLMNOPQRSTUVWXYZ0123456789'));
        
        $this->assertFalse($this->run_rule('alpha_numeric_spaces', ' abcdefghijklmnopqrstuvwxyzABCDEFGHLIJKLMNOPQRSTUVWXYZ0123456789_'));
    }
    
    public function test_rule_alpha_dash()
    {
        // Empty input should pass any rule unless required is also specified
        $this->assertTrue($this->run_rule('alpha_dash', ''));
        $this->assertTrue($this->run_rule('alpha_dash', 'abcdefghijklmnopqrstuvwxyzABCDEFGHLIJKLMNOPQRSTUVWXYZ0123456789-_'));
        
        $this->assertFalse($this->run_rule('alpha_dash', 'abcdefghijklmnopqrstuvwxyzABCDEFGHLIJKLMNOPQRSTUVWXYZ0123456789-_\ '));
    }
    
    public function test_rule_numeric()
    {
        // Empty input should pass any rule unless required is also specified
        $this->assertTrue($this->run_rule('numeric', ''));
        $this->assertTrue($this->run_rule('numeric', '0'));
        $this->assertTrue($this->run_rule('numeric', '12314'));
        
        $this->assertFalse($this->run_rule('numeric', '123a'));
    }
    
    public function test_rule_integer()
    {
        // Empty input should pass any rule unless required is also specified
        $this->assertTrue($this->run_rule('integer', ''));
        $this->assertTrue($this->run_rule('integer', '0'));
        $this->assertTrue($this->run_rule('integer', '42'));
        
        $this->assertFalse($this->run_rule('integer', '124a'));
        $this->assertFalse($this->run_rule('integer', '1.9'));
    }
    
    public function test_rule_decimal()
    {
        // Empty input should pass any rule unless required is also specified
        $this->assertTrue($this->run_rule('decimal', ''));
        $this->assertTrue($this->run_rule('decimal', '1.0'));
        $this->assertTrue($this->run_rule('decimal', '0.98'));
        
        $this->assertFalse($this->run_rule('decimal', '1.0a'));
        $this->assertFalse($this->run_rule('decimal', '-i'));
    }   
    
    public function test_rule_is_natural()
    {
        // Empty input should pass any rule unless required is also specified
        $this->assertTrue($this->run_rule('is_natural', ''));
        $this->assertTrue($this->run_rule('is_natural', '0'));
        $this->assertTrue($this->run_rule('is_natural', '12'));
        
        $this->assertFalse($this->run_rule('is_natural', '42a'));
    }
    
    public function test_rule_is_natural_no_zero()
    {
        // Empty input should pass any rule unless required is also specified
        $this->assertTrue($this->run_rule('is_natural_no_zero', ''));
        $this->assertTrue($this->run_rule('is_natural_no_zero', '42'));
        
        $this->assertFalse($this->run_rule('is_natural_no_zero', '0'));
        $this->assertFalse($this->run_rule('is_natural_no_zero', '42a'));
    }
    
    public function test_rule_valid_url()
    {
        // Empty input should pass any rule unless required is also specified
        $this->assertTrue($this->run_rule('valid_url', ''));
        $this->assertTrue($this->run_rule('valid_url', 'www.codeigniter.com'));
        $this->assertTrue($this->run_rule('valid_url', 'http://codeigniter.eu'));
   
        $this->assertFalse($this->run_rule('valid_url', 'codeigniter'));
    }
    
    public function test_rule_valid_email()
    {
        // Empty input should pass any rule unless required is also specified
        $this->assertTrue($this->run_rule('valid_email', ''));
        $this->assertTrue($this->run_rule('valid_email', 'email@sample.com'));
        
        $this->assertFalse($this->run_rule('valid_email', '@sample.com'));
    }
    
    public function test_rule_valid_emails()
    {
        // Empty input should pass any rule unless required is also specified
        $this->assertTrue($this->run_rule('valid_emails', ''));
        $this->assertTrue($this->run_rule('valid_emails', '1@sample.com,2@sample.com'));
        
        $this->assertFalse($this->run_rule('valid_emails', '@sample.com,2@sample.com,validemail@email.ca'));
    }
    
    public function test_rule_valid_ip()
    {
        // Empty input should pass any rule unless required is also specified
        $this->assertTrue($this->run_rule('valid_ip', ''));
        $this->assertTrue($this->run_rule('valid_ip', '127.0.0.1'));
        $this->assertTrue($this->run_rule('valid_ip[ipv4]', '127.0.0.1'));
        $this->assertTrue($this->run_rule('valid_ip', '2001:0db8:85a3:0000:0000:8a2e:0370:7334'));
        $this->assertTrue($this->run_rule('valid_ip[ipv6]', '2001:0db8:85a3:0000:0000:8a2e:0370:7334'));
        
        $this->assertFalse($this->run_rule('valid_ip[ipv4]', '2001:0db8:85a3:0000:0000:8a2e:0370:7334'));
        $this->assertFalse($this->run_rule('valid_ip[ipv6]', '127.0.0.1'));
        $this->assertFalse($this->run_rule('valid_ip', 'H001:0db8:85a3:0000:0000:8a2e:0370:7334'));
        $this->assertFalse($this->run_rule('valid_ip', '127.0.0.259'));
    }
    
    public function test_rule_valid_base64()
    {
        // Empty input should pass any rule unless required is also specified
        $this->assertTrue($this->run_rule('valid_base64', ''));
        $this->assertTrue($this->run_rule('valid_base64', 'string'));
    }
    
    public function run_rule($rule, $test_value)
    {
//        $this->markTestSkipped('Not designed to be a unit test');
         // Reset the _$POST array
        $_POST = array();
        $this->form_validation->reset_validation();

        $this->form_validation->set_rules('field', 'name', $rule);
        $_POST['field'] = $test_value;
        return $this->form_validation->run();
    }   
}