silverstripe-framework/tests/forms/DropdownFieldTest.php

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<?php
/**
* @package framework
* @subpackage tests
*/
class DropdownFieldTest extends SapphireTest {
public function testGetSource() {
$source = array(1=>'one');
$field = new DropdownField('Field', null, $source);
$this->assertEquals(
$field->getSource(),
array(
1 => 'one'
)
);
}
public function testReadonlyField() {
$field = new DropdownField('FeelingOk', 'Are you feeling ok?', array(0 => 'No', 1 => 'Yes'));
$field->setEmptyString('(Select one)');
$field->setValue(1);
$readonlyField = $field->performReadonlyTransformation();
preg_match('/Yes/', $field->Field(), $matches);
$this->assertEquals($matches[0], 'Yes');
}
public function testEmptyStringAsLiteralConstructorArgument() {
$source = array(1 => 'one');
$field = new DropdownField('Field', null, $source);
$field->setEmptyString('select...');
$this->assertEquals(
$field->getSource(),
array(
'' => 'select...',
1 => 'one'
)
);
}
public function testHasEmptyDefault() {
$source = array(1 => 'one');
$field = new DropdownField('Field', null, $source);
$field->setHasEmptyDefault(true);
$this->assertEquals(
$field->getSource(),
array(
'' => '',
1 => 'one'
)
);
}
public function testEmptyDefaultStringThroughSetter() {
$source = array(1=>'one');
$field = new DropdownField('Field', null, $source);
$field->setEmptyString('select...');
$this->assertEquals(
$field->getSource(),
array(
'' => 'select...',
1 => 'one'
)
);
$this->assertTrue(
$field->getHasEmptyDefault()
);
}
public function testZeroArraySourceNotOverwrittenByEmptyString() {
$source = array(0=>'zero');
$field = new DropdownField('Field', null, $source);
$field->setEmptyString('select...');
$this->assertEquals(
$field->getSource(),
array(
'' => 'select...',
0 => 'zero'
)
);
}
public function testStringZeroValueSelectedOptionBehaviour() {
$field = new DropdownField('Field', null, array(
'-1' => 'some negative',
'0' => 'none',
'1' => 'one',
'2+' => 'two or more'
), '0');
$selectedOptions = $this->findSelectedOptionElements($field->Field());
$this->assertEquals((string) $selectedOptions[0], 'none', 'The selected option is "none"');
$field = new DropdownField('Field', null, array(
'-1' => 'some negative',
'0' => 'none',
'1' => 'one',
'2+' => 'two or more'
), 0);
$selectedOptions = $this->findSelectedOptionElements($field->Field());
$this->assertEquals((string) $selectedOptions[0], 'none', 'The selected option is "none"');
}
public function testStringOneValueSelectedOptionBehaviour() {
$field = new DropdownField('Field', null, array(
'-1' => 'some negative',
'0' => 'none',
'1' => 'one',
'2+' => 'two or more'
), '1');
$selectedOptions = $this->findSelectedOptionElements($field->Field());
$this->assertEquals((string) $selectedOptions[0], 'one', 'The selected option is "one"');
$field = new DropdownField('Field', null, array(
'-1' => 'some negative',
'0' => 'none',
'1' => 'one',
'2+' => 'two or more'
), 1);
$selectedOptions = $this->findSelectedOptionElements($field->Field());
$this->assertEquals((string) $selectedOptions[0], 'one', 'The selected option is "one"');
}
public function testNumberOfSelectOptionsAvailable() {
/* Create a field with a blank value */
$field = $this->createDropdownField('(Any)');
/* 3 options are available */
$this->assertEquals(count($this->findOptionElements($field->Field())), 3, '3 options are available');
$selectedOptions = $this->findSelectedOptionElements($field->Field());
$this->assertEquals(count($selectedOptions), 1,
'We only have 1 selected option, since a dropdown can only possibly have one!');
/* Create a field without a blank value */
$field = $this->createDropdownField();
/* 2 options are available */
$this->assertEquals(count($this->findOptionElements($field->Field())), 2, '2 options are available');
$selectedOptions = $this->findSelectedOptionElements($field->Field());
$this->assertEquals(count($selectedOptions), 0, 'There are no selected options');
}
public function testIntegerZeroValueSeelctedOptionBehaviour() {
$field = $this->createDropdownField('(Any)', 0);
$selectedOptions = $this->findSelectedOptionElements($field->Field());
$this->assertEquals((string) $selectedOptions[0], 'No', 'The selected option is "No"');
}
public function testBlankStringValueSelectedOptionBehaviour() {
$field = $this->createDropdownField('(Any)');
$selectedOptions = $this->findSelectedOptionElements($field->Field());
$this->assertEquals((string) $selectedOptions[0], '(Any)', 'The selected option is "(Any)"');
}
public function testNullValueSelectedOptionBehaviour() {
$field = $this->createDropdownField('(Any)', null);
$selectedOptions = $this->findSelectedOptionElements($field->Field());
$this->assertEquals((string) $selectedOptions[0], '(Any)', 'The selected option is "(Any)"');
}
public function testStringValueSelectedOptionBehaviour() {
$field = $this->createDropdownField('(Any)', '1');
$selectedOptions = $this->findSelectedOptionElements($field->Field());
$this->assertEquals((string) $selectedOptions[0], 'Yes', 'The selected option is "Yes"');
$field->setSource(array(
'Cats' => 'Cats and Kittens',
'Dogs' => 'Dogs and Puppies'
));
$field->setValue('Cats');
$selectedOptions = $this->findSelectedOptionElements($field->Field());
$this->assertEquals((string) $selectedOptions[0], 'Cats and Kittens',
'The selected option is "Cats and Kittens"');
}
public function testNumberOfDisabledOptions() {
/* Create a field with a blank value & set 0 & 1 to disabled */
$field = $this->createDropdownField('(Any)');
$field->setDisabledItems(array(0,1));
/* 3 options are available */
$this->assertEquals(count($this->findOptionElements($field->Field())), 3, '3 options are available');
/* There are 2 disabled options */
$disabledOptions = $this->findDisabledOptionElements($field->Field());
$this->assertEquals(count($disabledOptions), 2, 'We have 2 disabled options');
/* Create a field without a blank value & set 1 to disabled, then set none to disabled (unset) */
$field = $this->createDropdownField();
$field->setDisabledItems(array(1));
/* 2 options are available */
$this->assertEquals(count($this->findOptionElements($field->Field())), 2, '2 options are available');
/* get disabled items returns an array of one */
$this->assertEquals(
$field->getDisabledItems(),
array( 1 )
);
/* unset disabled items */
$field->setDisabledItems(array());
/* There are no disabled options anymore */
$disabledOptions = $this->findDisabledOptionElements($field->Field());
$this->assertEquals(count($disabledOptions), 0, 'There are no disabled options');
}
public function testEscapedOptions() {
$field = new DropdownField('Content', 'Content', array(
'Test' => 'Test',
'Another<weirdvalue>' => 'Another',
));
$html = $field->Field();
$this->assertContains('value="Another&lt;weirdvalue&gt;', $html, 'Option value is escaped');
}
/**
* Create a test dropdown field, with the option to
* set what source and blank value it should contain
* as optional parameters.
*
* @param string|null $emptyString The text to display for the empty value
* @param string|integer $value The default value of the field
* @return DropdownField object
*/
public function createDropdownField($emptyString = null, $value = '') {
/* Set up source, with 0 and 1 integers as the values */
$source = array(
0 => 'No',
1 => 'Yes'
);
$field = new DropdownField('Field', null, $source, $value);
if($emptyString !== null) $field->setEmptyString($emptyString);
return $field;
}
/**
* Find all the <OPTION> elements from a
* string of HTML.
*
* @param string $html HTML to scan for elements
* @return SimpleXMLElement
*/
public function findOptionElements($html) {
$parser = new CSSContentParser($html);
return $parser->getBySelector('option');
}
/**
* Find all the <OPTION> elements from a
* string of HTML that have the "selected"
* attribute.
*
* @param string $html HTML to parse for elements
* @return array of SimpleXMLElement objects
*/
public function findSelectedOptionElements($html) {
$options = $this->findOptionElements($html);
/* Find any elements that have the "selected" attribute and put them into a list */
$foundSelected = array();
foreach($options as $option) {
$attributes = $option->attributes();
if($attributes) foreach($attributes as $attribute => $value) {
if($attribute == 'selected') {
$foundSelected[] = $option;
}
}
}
return $foundSelected;
}
/**
* Find all the <OPTION> elements from a
* string of HTML that have the "disabled"
* attribute.
*
* @param string $html HTML to parse for elements
* @return array of SimpleXMLElement objects
*/
public function findDisabledOptionElements($html) {
$options = $this->findOptionElements($html);
/* Find any elements that have the "disabled" attribute and put them into a list */
$foundDisabled = array();
foreach($options as $option) {
$attributes = $option->attributes();
if($attributes) foreach($attributes as $attribute => $value) {
if($attribute == 'disabled') {
$foundDisabled[] = $option;
}
}
}
return $foundDisabled;
}
}