<?php

/**
 * Special test-case for cases that can't be tested using
 * HTMLPurifier_ConfigSchema_ValidatorTestCase.
 */
class HTMLPurifier_ConfigSchema_ValidatorTest extends UnitTestCase
{
    public $validator, $interchange;
    
    public function setup() {
        $this->validator = new HTMLPurifier_ConfigSchema_Validator();
        $this->interchange = new HTMLPurifier_ConfigSchema_Interchange();
    }
    
    public function testNamespaceIntegrityViolation() {
        $ns = $this->makeNamespace('Ns');
        $ns->namespace = 'AltNs';
        $this->expectValidationException("Integrity violation: key 'Ns' does not match internal id 'AltNs'");
        $this->validator->validate($this->interchange);
    }
    
    public function testNamespaceNamespaceIsString() {
        $this->makeNamespace(3);
        $this->expectValidationException("Namespace in namespace '3' must be a string");
        $this->validator->validate($this->interchange);
    }
    
    public function testNamespaceDescriptionIsString() {
        $ns = $this->makeNamespace('Ns');
        $ns->description = 3;
        $this->expectValidationException("Description in namespace 'Ns' must be a string");
        $this->validator->validate($this->interchange);
    }
    
    public function testDirectiveIntegrityViolation() {
        $d = $this->makeDirective('Ns', 'Dir');
        $d->id = new HTMLPurifier_ConfigSchema_Interchange_Id('Ns', 'Dir2');
        $this->expectValidationException("Integrity violation: key 'Ns.Dir' does not match internal id 'Ns.Dir2'");
        $this->validator->validate($this->interchange);
    }
    
    public function testDirectiveIdInstanceof() {
        // This example is somewhat contrived
        $this->makeNamespace('Ns');
        $d = new HTMLPurifier_ConfigSchema_Interchange_Directive();
        $d->id = 3;
        $d->default = 0;
        $d->type = 'int';
        $d->description = 'Description';
        $this->interchange->addDirective($d);
        
        $this->expectValidationException("Id '3' in directive '3' is not an instance of HTMLPurifier_ConfigSchema_Interchange_Id");
        $this->validator->validate($this->interchange);
    }
    
    public function testDirectiveTypeNotEmpty() {
        $this->makeNamespace('Ns');
        $d = $this->makeDirective('Ns', 'Dir');
        $d->default = 0;
        $d->description = 'Description';
        
        $this->expectValidationException("Type in directive 'Ns.Dir' must not be empty");
        $this->validator->validate($this->interchange);
    }
    
    public function testDirectiveDefaultInvalid() {
        $this->makeNamespace('Ns');
        $d = $this->makeDirective('Ns', 'Dir');
        $d->default = 'asdf';
        $d->type = 'int';
        $d->description = 'Description';
        
        $this->expectValidationException("Default in directive 'Ns.Dir' had error: Expected type int, got string");
        $this->validator->validate($this->interchange);
    }
    
    public function testDirectiveIdDirectiveIsString() {
        $this->makeNamespace('Ns');
        $d = $this->makeDirective('Ns', 3);
        $d->default = 0;
        $d->type = 'int';
        $d->description = 'Description';
        
        $this->expectValidationException("Directive in id 'Ns.3' in directive 'Ns.3' must be a string");
        $this->validator->validate($this->interchange);
    }
    
    // helper functions
    
    protected function makeNamespace($n) {
        $namespace = new HTMLPurifier_ConfigSchema_Interchange_Namespace();
        $namespace->namespace = $n;
        $namespace->description = 'Description'; // non-essential, but we won't set it most of the time
        $this->interchange->addNamespace($namespace);
        return $namespace;
    }
    
    protected function makeDirective($n, $d) {
        $directive = new HTMLPurifier_ConfigSchema_Interchange_Directive();
        $directive->id = new HTMLPurifier_ConfigSchema_Interchange_Id($n, $d);
        $this->interchange->addDirective($directive);
        return $directive;
    }
    
    protected function expectValidationException($msg) {
        $this->expectException(new HTMLPurifier_ConfigSchema_Exception($msg));
    }
    
}