silverstripe-framework/tests/view/ViewableDataTest.php

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<?php
/**
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* See {@link SSViewerTest->testCastingHelpers()} for more tests related to casting and ViewableData behaviour,
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* from a template-parsing perspective.
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*
* @package framework
* @subpackage tests
*/
class ViewableDataTest extends SapphireTest {
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public function testRequiresCasting() {
$caster = new ViewableDataTest_Castable();
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$this->assertTrue($caster->obj('alwaysCasted') instanceof ViewableDataTest_RequiresCasting);
$this->assertTrue($caster->obj('noCastingInformation') instanceof ViewableData_Caster);
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$this->assertTrue($caster->obj('alwaysCasted', null, false) instanceof ViewableDataTest_RequiresCasting);
$this->assertFalse($caster->obj('noCastingInformation', null, false) instanceof ViewableData_Caster);
}
public function testFailoverRequiresCasting() {
$caster = new ViewableDataTest_Castable();
$container = new ViewableDataTest_Container($caster);
$this->assertTrue($container->obj('alwaysCasted') instanceof ViewableDataTest_RequiresCasting);
$this->assertTrue($caster->obj('alwaysCasted', null, false) instanceof ViewableDataTest_RequiresCasting);
/* @todo This currently fails, because the default_cast static variable is always taken from the topmost
* object, not the failover object the field actually came from. Should we fix this, or declare current
* behaviour as correct?
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*
* $this->assertTrue($container->obj('noCastingInformation') instanceof ViewableData_Caster);
* $this->assertFalse($caster->obj('noCastingInformation', null, false) instanceof ViewableData_Caster);
*/
}
public function testCastingXMLVal() {
$caster = new ViewableDataTest_Castable();
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$this->assertEquals('casted', $caster->XML_val('alwaysCasted'));
$this->assertEquals('noCastingInformation', $caster->XML_val('noCastingInformation'));
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// test automatic escaping is only applied by casted classes
$this->assertEquals('<foo>', $caster->XML_val('unsafeXML'));
$this->assertEquals('&lt;foo&gt;', $caster->XML_val('castedUnsafeXML'));
}
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public function testUncastedXMLVal() {
$caster = new ViewableDataTest_Castable();
$this->assertEquals($caster->XML_val('uncastedZeroValue'), 0);
}
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public function testArrayCustomise() {
$viewableData = new ViewableDataTest_Castable();
$newViewableData = $viewableData->customise(array (
'test' => 'overwritten',
'alwaysCasted' => 'overwritten'
));
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$this->assertEquals('test', $viewableData->XML_val('test'));
$this->assertEquals('casted', $viewableData->XML_val('alwaysCasted'));
$this->assertEquals('overwritten', $newViewableData->XML_val('test'));
$this->assertEquals('overwritten', $newViewableData->XML_val('alwaysCasted'));
$this->assertEquals('castable', $viewableData->forTemplate());
$this->assertEquals('castable', $newViewableData->forTemplate());
}
public function testObjectCustomise() {
$viewableData = new ViewableDataTest_Castable();
$newViewableData = $viewableData->customise(new ViewableDataTest_RequiresCasting());
$this->assertEquals('test', $viewableData->XML_val('test'));
$this->assertEquals('casted', $viewableData->XML_val('alwaysCasted'));
$this->assertEquals('overwritten', $newViewableData->XML_val('test'));
$this->assertEquals('casted', $newViewableData->XML_val('alwaysCasted'));
$this->assertEquals('castable', $viewableData->forTemplate());
$this->assertEquals('casted', $newViewableData->forTemplate());
}
public function testDefaultValueWrapping() {
$data = new ArrayData(array('Title' => 'SomeTitleValue'));
// this results in a cached raw string in ViewableData:
$this->assertTrue($data->hasValue('Title'));
$this->assertFalse($data->hasValue('SomethingElse'));
// this should cast the raw string to a StringField since we are
// passing true as the third argument:
$obj = $data->obj('Title', null, true);
$this->assertTrue(is_object($obj));
// and the string field should have the value of the raw string:
$this->assertEquals('SomeTitleValue', $obj->forTemplate());
}
public function testRAWVal() {
$data = new ViewableDataTest_Castable();
$data->test = 'This &amp; This';
$this->assertEquals($data->RAW_val('test'), 'This & This');
}
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public function testSQLVal() {
$data = new ViewableDataTest_Castable();
$this->assertEquals($data->SQL_val('test'), 'test');
}
public function testJSVal() {
$data = new ViewableDataTest_Castable();
$data->test = '"this is a test"';
$this->assertEquals($data->JS_val('test'), '\"this is a test\"');
}
public function testATTVal() {
$data = new ViewableDataTest_Castable();
$data->test = '"this is a test"';
$this->assertEquals($data->ATT_val('test'), '&quot;this is a test&quot;');
}
public function testCastingClass() {
$expected = array(
'NonExistant' => null,
'Field' => 'CastingType',
'Argument' => 'ArgumentType',
'ArrayArgument' => 'ArrayArgumentType'
);
$obj = new ViewableDataTest_CastingClass();
foreach($expected as $field => $class) {
$this->assertEquals(
$class,
$obj->castingClass($field),
"castingClass() returns correct results for ::\$$field"
);
}
}
public function testObjWithCachedStringValueReturnsValidObject() {
$obj = new ViewableDataTest_NoCastingInformation();
// Save a literal string into cache
$cache = true;
$uncastedData = $obj->obj('noCastingInformation', null, false, $cache);
// Fetch the cached string as an object
$forceReturnedObject = true;
$castedData = $obj->obj('noCastingInformation', null, $forceReturnedObject);
// Uncasted data should always be the nonempty string
$this->assertNotEmpty($uncastedData, 'Uncasted data was empty.');
$this->assertTrue(is_string($uncastedData), 'Uncasted data should be a string.');
// Casted data should be the string wrapped in a DBField-object.
$this->assertNotEmpty($castedData, 'Casted data was empty.');
$this->assertInstanceOf('DBField', $castedData, 'Casted data should be instance of DBField.');
$this->assertEquals($uncastedData, $castedData->getValue(), 'Casted and uncasted strings are not equal.');
}
}
/**#@+
* @ignore
*/
class ViewableDataTest_Castable extends ViewableData {
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private static $default_cast = 'ViewableData_Caster';
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private static $casting = array (
'alwaysCasted' => 'ViewableDataTest_RequiresCasting',
'castedUnsafeXML' => 'ViewableData_UnescaptedCaster'
);
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public $test = 'test';
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public $uncastedZeroValue = 0;
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public function alwaysCasted() {
return 'alwaysCasted';
}
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public function noCastingInformation() {
return 'noCastingInformation';
}
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public function unsafeXML() {
return '<foo>';
}
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public function castedUnsafeXML() {
return $this->unsafeXML();
}
public function forTemplate() {
return 'castable';
}
}
class ViewableDataTest_RequiresCasting extends ViewableData {
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public $test = 'overwritten';
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public function forTemplate() {
return 'casted';
}
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public function setValue() {}
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}
class ViewableData_UnescaptedCaster extends ViewableData {
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protected $value;
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public function setValue($value) {
$this->value = $value;
}
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public function forTemplate() {
return Convert::raw2xml($this->value);
}
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}
class ViewableData_Caster extends ViewableData {
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public function forTemplate() {
return 'casted';
}
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public function setValue() {}
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}
class ViewableDataTest_Container extends ViewableData {
public function __construct($failover) {
$this->failover = $failover;
parent::__construct();
}
}
class ViewableDataTest_CastingClass extends ViewableData {
private static $casting = array(
'Field' => 'CastingType',
'Argument' => 'ArgumentType(Argument)',
'ArrayArgument' => 'ArrayArgumentType(array(foo, bar))'
);
}
class ViewableDataTest_NoCastingInformation extends ViewableData {
public function noCastingInformation() {
return "No casting information";
}
}
/**#@-*/