<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\DomCrawler\Tests\Field;

use Symfony\Component\DomCrawler\Field\ChoiceFormField;

class ChoiceFormFieldTest extends FormFieldTestCase
{
    public function testInitialize()
    {
        $node = $this->createNode('textarea', '');
        try {
            $field = new ChoiceFormField($node);
            $this->fail('->initialize() throws a \LogicException if the node is not an input or a select');
        } catch (\LogicException $e) {
            $this->assertTrue(true, '->initialize() throws a \LogicException if the node is not an input or a select');
        }

        $node = $this->createNode('input', '', array('type' => 'text'));
        try {
            $field = new ChoiceFormField($node);
            $this->fail('->initialize() throws a \LogicException if the node is an input with a type different from checkbox or radio');
        } catch (\LogicException $e) {
            $this->assertTrue(true, '->initialize() throws a \LogicException if the node is an input with a type different from checkbox or radio');
        }
    }

    public function testGetType()
    {
        $node = $this->createNode('input', '', array('type' => 'radio', 'name' => 'name', 'value' => 'foo'));
        $field = new ChoiceFormField($node);

        $this->assertEquals('radio', $field->getType(), '->getType() returns radio for radio buttons');

        $node = $this->createNode('input', '', array('type' => 'checkbox', 'name' => 'name', 'value' => 'foo'));
        $field = new ChoiceFormField($node);

        $this->assertEquals('checkbox', $field->getType(), '->getType() returns radio for a checkbox');

        $node = $this->createNode('select', '');
        $field = new ChoiceFormField($node);

        $this->assertEquals('select', $field->getType(), '->getType() returns radio for a select');
    }

    public function testIsMultiple()
    {
        $node = $this->createNode('input', '', array('type' => 'radio', 'name' => 'name', 'value' => 'foo'));
        $field = new ChoiceFormField($node);

        $this->assertFalse($field->isMultiple(), '->isMultiple() returns false for radio buttons');

        $node = $this->createNode('input', '', array('type' => 'checkbox', 'name' => 'name', 'value' => 'foo'));
        $field = new ChoiceFormField($node);

        $this->assertFalse($field->isMultiple(), '->isMultiple() returns false for checkboxes');

        $node = $this->createNode('select', '');
        $field = new ChoiceFormField($node);

        $this->assertFalse($field->isMultiple(), '->isMultiple() returns false for selects without the multiple attribute');

        $node = $this->createNode('select', '', array('multiple' => 'multiple'));
        $field = new ChoiceFormField($node);

        $this->assertTrue($field->isMultiple(), '->isMultiple() returns true for selects with the multiple attribute');
    }

    public function testSelects()
    {
        $node = $this->createSelectNode(array('foo' => false, 'bar' => false));
        $field = new ChoiceFormField($node);

        $this->assertTrue($field->hasValue(), '->hasValue() returns true for selects');
        $this->assertEquals('foo', $field->getValue(), '->getValue() returns the first option if none are selected');
        $this->assertFalse($field->isMultiple(), '->isMultiple() returns false when no multiple attribute is defined');

        $node = $this->createSelectNode(array('foo' => false, 'bar' => true));
        $field = new ChoiceFormField($node);

        $this->assertEquals('bar', $field->getValue(), '->getValue() returns the selected option');

        $field->setValue('foo');
        $this->assertEquals('foo', $field->getValue(), '->setValue() changes the selected option');

        try {
            $field->setValue('foobar');
            $this->fail('->setValue() throws an \InvalidArgumentException if the value is not one of the selected options');
        } catch (\InvalidArgumentException $e) {
            $this->assertTrue(true, '->setValue() throws an \InvalidArgumentException if the value is not one of the selected options');
        }

        try {
            $field->setValue(array('foobar'));
            $this->fail('->setValue() throws an \InvalidArgumentException if the value is an array');
        } catch (\InvalidArgumentException $e) {
            $this->assertTrue(true, '->setValue() throws an \InvalidArgumentException if the value is an array');
        }
    }

    public function testMultipleSelects()
    {
        $node = $this->createSelectNode(array('foo' => false, 'bar' => false), array('multiple' => 'multiple'));
        $field = new ChoiceFormField($node);

        $this->assertEquals(array(), $field->getValue(), '->setValue() returns an empty array if multiple is true and no option is selected');

        $field->setValue('foo');
        $this->assertEquals(array('foo'), $field->getValue(), '->setValue() returns an array of options if multiple is true');

        $field->setValue('bar');
        $this->assertEquals(array('bar'), $field->getValue(), '->setValue() returns an array of options if multiple is true');

        $field->setValue(array('foo', 'bar'));
        $this->assertEquals(array('foo', 'bar'), $field->getValue(), '->setValue() returns an array of options if multiple is true');

        $node = $this->createSelectNode(array('foo' => true, 'bar' => true), array('multiple' => 'multiple'));
        $field = new ChoiceFormField($node);

        $this->assertEquals(array('foo', 'bar'), $field->getValue(), '->getValue() returns the selected options');

        try {
            $field->setValue(array('foobar'));
            $this->fail('->setValue() throws an \InvalidArgumentException if the value is not one of the options');
        } catch (\InvalidArgumentException $e) {
            $this->assertTrue(true, '->setValue() throws an \InvalidArgumentException if the value is not one of the options');
        }
    }

    public function testRadioButtons()
    {
        $node = $this->createNode('input', '', array('type' => 'radio', 'name' => 'name', 'value' => 'foo'));
        $field = new ChoiceFormField($node);
        $node = $this->createNode('input', '', array('type' => 'radio', 'name' => 'name', 'value' => 'bar'));
        $field->addChoice($node);

        $this->assertFalse($field->hasValue(), '->hasValue() returns false when no radio button is selected');
        $this->assertNull($field->getValue(), '->getValue() returns null if no radio button is selected');
        $this->assertFalse($field->isMultiple(), '->isMultiple() returns false for radio buttons');

        $node = $this->createNode('input', '', array('type' => 'radio', 'name' => 'name', 'value' => 'foo'));
        $field = new ChoiceFormField($node);
        $node = $this->createNode('input', '', array('type' => 'radio', 'name' => 'name', 'value' => 'bar', 'checked' => 'checked'));
        $field->addChoice($node);

        $this->assertTrue($field->hasValue(), '->hasValue() returns true when a radio button is selected');
        $this->assertEquals('bar', $field->getValue(), '->getValue() returns the value attribute of the selected radio button');

        $field->setValue('foo');
        $this->assertEquals('foo', $field->getValue(), '->setValue() changes the selected radio button');

        try {
            $field->setValue('foobar');
            $this->fail('->setValue() throws an \InvalidArgumentException if the value is not one of the radio button values');
        } catch (\InvalidArgumentException $e) {
            $this->assertTrue(true, '->setValue() throws an \InvalidArgumentException if the value is not one of the radio button values');
        }
    }

    public function testRadioButtonIsDisabled()
    {
        $node = $this->createNode('input', '', array('type' => 'radio', 'name' => 'name', 'value' => 'foo', 'disabled' => 'disabled'));
        $field = new ChoiceFormField($node);
        $node = $this->createNode('input', '', array('type' => 'radio', 'name' => 'name', 'value' => 'bar'));
        $field->addChoice($node);

        $field->select('foo');
        $this->assertEquals('foo', $field->getValue(), '->getValue() returns the value attribute of the selected radio button');
        $this->assertTrue($field->isDisabled());

        $field->select('bar');
        $this->assertEquals('bar', $field->getValue(), '->getValue() returns the value attribute of the selected radio button');
        $this->assertFalse($field->isDisabled());
    }

    public function testCheckboxes()
    {
        $node = $this->createNode('input', '', array('type' => 'checkbox', 'name' => 'name'));
        $field = new ChoiceFormField($node);

        $this->assertFalse($field->hasValue(), '->hasValue() returns false when the checkbox is not checked');
        $this->assertNull($field->getValue(), '->getValue() returns null if the checkbox is not checked');
        $this->assertFalse($field->isMultiple(), '->hasValue() returns false for checkboxes');
        try {
            $field->addChoice(new \DOMNode());
            $this->fail('->addChoice() throws a \LogicException for checkboxes');
        } catch (\LogicException $e) {
            $this->assertTrue(true, '->initialize() throws a \LogicException for checkboxes');
        }

        $node = $this->createNode('input', '', array('type' => 'checkbox', 'name' => 'name', 'checked' => 'checked'));
        $field = new ChoiceFormField($node);

        $this->assertTrue($field->hasValue(), '->hasValue() returns true when the checkbox is checked');
        $this->assertEquals('1', $field->getValue(), '->getValue() returns 1 if the checkbox is checked and has no value attribute');

        $node = $this->createNode('input', '', array('type' => 'checkbox', 'name' => 'name', 'checked' => 'checked', 'value' => 'foo'));
        $field = new ChoiceFormField($node);

        $this->assertEquals('foo', $field->getValue(), '->getValue() returns the value attribute if the checkbox is checked');

        $node = $this->createNode('input', '', array('type' => 'checkbox', 'name' => 'name', 'checked' => 'checked', 'value' => 'foo'));
        $field = new ChoiceFormField($node);

        $field->setValue(false);
        $this->assertNull($field->getValue(), '->setValue() unchecks the checkbox is value is false');

        $field->setValue(true);
        $this->assertEquals('foo', $field->getValue(), '->setValue() checks the checkbox is value is true');

        try {
            $field->setValue('bar');
            $this->fail('->setValue() throws an \InvalidArgumentException if the value is not one from the value attribute');
        } catch (\InvalidArgumentException $e) {
            $this->assertTrue(true, '->setValue() throws an \InvalidArgumentException if the value is not one from the value attribute');
        }
    }

    public function testTick()
    {
        $node = $this->createSelectNode(array('foo' => false, 'bar' => false));
        $field = new ChoiceFormField($node);

        try {
            $field->tick();
            $this->fail('->tick() throws a \LogicException for select boxes');
        } catch (\LogicException $e) {
            $this->assertTrue(true, '->tick() throws a \LogicException for select boxes');
        }

        $node = $this->createNode('input', '', array('type' => 'checkbox', 'name' => 'name'));
        $field = new ChoiceFormField($node);
        $field->tick();
        $this->assertEquals(1, $field->getValue(), '->tick() ticks checkboxes');
    }

    public function testUntick()
    {
        $node = $this->createSelectNode(array('foo' => false, 'bar' => false));
        $field = new ChoiceFormField($node);

        try {
            $field->untick();
            $this->fail('->untick() throws a \LogicException for select boxes');
        } catch (\LogicException $e) {
            $this->assertTrue(true, '->untick() throws a \LogicException for select boxes');
        }

        $node = $this->createNode('input', '', array('type' => 'checkbox', 'name' => 'name', 'checked' => 'checked'));
        $field = new ChoiceFormField($node);
        $field->untick();
        $this->assertNull($field->getValue(), '->untick() unticks checkboxes');
    }

    public function testSelect()
    {
        $node = $this->createNode('input', '', array('type' => 'checkbox', 'name' => 'name', 'checked' => 'checked'));
        $field = new ChoiceFormField($node);
        $field->select(true);
        $this->assertEquals(1, $field->getValue(), '->select() changes the value of the field');
        $field->select(false);
        $this->assertNull($field->getValue(), '->select() changes the value of the field');

        $node = $this->createSelectNode(array('foo' => false, 'bar' => false));
        $field = new ChoiceFormField($node);
        $field->select('foo');
        $this->assertEquals('foo', $field->getValue(), '->select() changes the selected option');
    }

    public function testOptionWithNoValue()
    {
        $node = $this->createSelectNodeWithEmptyOption(array('foo' => false, 'bar' => false));
        $field = new ChoiceFormField($node);
        $field->select('foo');
        $this->assertEquals('foo', $field->getValue(), '->select() changes the selected option');
    }

    protected function createSelectNode($options, $attributes = array())
    {
        $document = new \DOMDocument();
        $node = $document->createElement('select');

        foreach ($attributes as $name => $value) {
            $node->setAttribute($name, $value);
        }
        $node->setAttribute('name', 'name');

        foreach ($options as $value => $selected) {
            $option = $document->createElement('option', $value);
            $option->setAttribute('value', $value);
            if ($selected) {
                $option->setAttribute('selected', 'selected');
            }
            $node->appendChild($option);
        }

        return $node;
    }

    protected function createSelectNodeWithEmptyOption($options, $attributes = array())
    {
        $document = new \DOMDocument();
        $node = $document->createElement('select');

        foreach ($attributes as $name => $value) {
            $node->setAttribute($name, $value);
        }
        $node->setAttribute('name', 'name');

        foreach ($options as $value => $selected) {
            $option = $document->createElement('option', $value);
            if ($selected) {
                $option->setAttribute('selected', 'selected');
            }
            $node->appendChild($option);
        }

        return $node;
    }
}
