silverstripe-framework/tests/php/Core/ObjectTest.php

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<?php
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namespace SilverStripe\Core\Tests;
use SilverStripe\Core\Object;
use SilverStripe\Core\Injector\Injector;
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use SilverStripe\Core\Tests\ObjectTest\ExtendTest1;
use SilverStripe\Core\Tests\ObjectTest\ExtendTest2;
use SilverStripe\Core\Tests\ObjectTest\ExtendTest3;
use SilverStripe\Core\Tests\ObjectTest\ExtendTest4;
use SilverStripe\Core\Tests\ObjectTest\ExtensionRemoveTest;
use SilverStripe\Core\Tests\ObjectTest\ExtensionTest;
use SilverStripe\Core\Tests\ObjectTest\ExtensionTest2;
use SilverStripe\Core\Tests\ObjectTest\ExtensionTest3;
use SilverStripe\Core\Tests\ObjectTest\MyObject;
use SilverStripe\Core\Tests\ObjectTest\MySubObject;
use SilverStripe\Core\Tests\ObjectTest\TestExtension;
use SilverStripe\Dev\SapphireTest;
use SilverStripe\Control\Controller;
use SilverStripe\Versioned\Versioned;
/**
* @todo tests for addStaticVars()
* @todo tests for setting statics which are not defined on the object as built-in PHP statics
* @todo tests for setting statics through extensions (#2387)
*/
class ObjectTest extends SapphireTest
{
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protected function setUp()
{
parent::setUp();
Injector::inst()->unregisterAllObjects();
}
public function testHasmethodBehaviour()
{
$obj = new ObjectTest\ExtendTest();
$this->assertTrue($obj->hasMethod('extendableMethod'), "Extension method found in original spelling");
$this->assertTrue($obj->hasMethod('ExTendableMethod'), "Extension method found case-insensitive");
$objs = array();
$objs[] = new ObjectTest\T2();
$objs[] = new ObjectTest\T2();
$objs[] = new ObjectTest\T2();
// All these methods should exist and return true
$trueMethods = array('testMethod','otherMethod','someMethod','t1cMethod','normalMethod');
foreach ($objs as $i => $obj) {
foreach ($trueMethods as $method) {
$methodU = strtoupper($method);
$methodL = strtoupper($method);
$this->assertTrue($obj->hasMethod($method), "Test that obj#$i has method $method ($obj->class)");
$this->assertTrue($obj->hasMethod($methodU), "Test that obj#$i has method $methodU");
$this->assertTrue($obj->hasMethod($methodL), "Test that obj#$i has method $methodL");
$this->assertTrue($obj->$method(), "Test that obj#$i can call method $method");
$this->assertTrue($obj->$methodU(), "Test that obj#$i can call method $methodU");
$this->assertTrue($obj->$methodL(), "Test that obj#$i can call method $methodL");
}
$this->assertTrue($obj->hasMethod('Wrapping'), "Test that obj#$i has method Wrapping");
$this->assertTrue($obj->hasMethod('WRAPPING'), "Test that obj#$i has method WRAPPING");
$this->assertTrue($obj->hasMethod('wrapping'), "Test that obj#$i has method wrapping");
$this->assertEquals("Wrapping", $obj->Wrapping(), "Test that obj#$i can call method Wrapping");
$this->assertEquals("Wrapping", $obj->WRAPPING(), "Test that obj#$i can call method WRAPPIGN");
$this->assertEquals("Wrapping", $obj->wrapping(), "Test that obj#$i can call method wrapping");
}
}
public function testSingletonCreation()
{
$myObject = singleton(MyObject::class);
$this->assertEquals(
$myObject->class,
MyObject::class,
'singletons are creating a correct class instance'
);
$this->assertEquals(
get_class($myObject),
MyObject::class,
'singletons are creating a correct class instance'
);
$mySubObject = singleton(MySubObject::class);
$this->assertEquals(
$mySubObject->class,
MySubObject::class,
'singletons are creating a correct subclass instance'
);
$this->assertEquals(
get_class($mySubObject),
MySubObject::class,
'singletons are creating a correct subclass instance'
);
$myFirstObject = singleton(MyObject::class);
$mySecondObject = singleton(MyObject::class);
$this->assertTrue(
$myFirstObject === $mySecondObject,
'singletons are using the same object on subsequent calls'
);
}
public function testStaticGetterMethod()
{
$obj = singleton(MyObject::class);
$this->assertEquals(
'MyObject',
$obj->stat('mystaticProperty'),
'Uninherited statics through stat() on a singleton behave the same as built-in PHP statics'
);
}
public function testStaticInheritanceGetters()
{
$subObj = singleton(MyObject::class);
$this->assertEquals(
$subObj->stat('mystaticProperty'),
'MyObject',
'Statics defined on a parent class are available through stat() on a subclass'
);
}
public function testStaticSettingOnSingletons()
{
$singleton1 = singleton(MyObject::class);
$singleton2 = singleton(MyObject::class);
$singleton1->set_stat('mystaticProperty', 'changed');
$this->assertEquals(
$singleton2->stat('mystaticProperty'),
'changed',
'Statics setting is populated throughout singletons without explicitly clearing cache'
);
}
public function testStaticSettingOnInstances()
{
$instance1 = new ObjectTest\MyObject();
$instance2 = new ObjectTest\MyObject();
$instance1->set_stat('mystaticProperty', 'changed');
$this->assertEquals(
$instance2->stat('mystaticProperty'),
'changed',
'Statics setting through set_stat() is populated throughout instances without explicitly clearing cache'
);
}
/**
* Tests that {@link Object::create()} correctly passes all arguments to the new object
*/
public function testCreateWithArgs()
{
$createdObj = ObjectTest\CreateTest::create('arg1', 'arg2', array(), null, 'arg5');
$this->assertEquals($createdObj->constructArguments, array('arg1', 'arg2', array(), null, 'arg5'));
}
public function testCreateLateStaticBinding()
{
$createdObj = ObjectTest\CreateTest::create('arg1', 'arg2', array(), null, 'arg5');
$this->assertEquals($createdObj->constructArguments, array('arg1', 'arg2', array(), null, 'arg5'));
}
/**
* Tests {@link Object::singleton()}
*/
public function testSingleton()
{
$inst = Controller::singleton();
$this->assertInstanceOf(Controller::class, $inst);
$inst2 = Controller::singleton();
$this->assertSame($inst2, $inst);
}
public function testGetExtensions()
{
$this->assertEquals(
array(
'SilverStripe\\Core\\Tests\\oBjEcTTEST\\EXTENDTest1',
"SilverStripe\\Core\\Tests\\ObjectTest\\ExtendTest2",
),
Object::get_extensions(ExtensionTest::class)
);
$this->assertEquals(
array(
'SilverStripe\\Core\\Tests\\oBjEcTTEST\\EXTENDTest1',
"SilverStripe\\Core\\Tests\\ObjectTest\\ExtendTest2('FOO', 'BAR')",
),
Object::get_extensions(ExtensionTest::class, true)
);
$inst = new ExtensionTest();
$extensions = $inst->getExtensionInstances();
$this->assertEquals(count($extensions), 2);
$this->assertInstanceOf(
ExtendTest1::class,
$extensions[ExtendTest1::class]
);
$this->assertInstanceOf(
ExtendTest2::class,
$extensions[ExtendTest2::class]
);
$this->assertInstanceOf(
ExtendTest1::class,
$inst->getExtensionInstance(ExtendTest1::class)
);
$this->assertInstanceOf(
ExtendTest2::class,
$inst->getExtensionInstance(ExtendTest2::class)
);
}
/**
* Tests {@link Object::has_extension()}, {@link Object::add_extension()}
*/
public function testHasAndAddExtension()
{
// ObjectTest_ExtendTest1 is built in via $extensions
$this->assertTrue(
ExtensionTest::has_extension('SilverStripe\\Core\\Tests\\oBjEcTTEST\\EXTENDTest1'),
"Extensions are detected when set on Object::\$extensions on has_extension() without case-sensitivity"
);
$this->assertTrue(
ExtensionTest::has_extension(ExtendTest1::class),
"Extensions are detected when set on Object::\$extensions on has_extension() without case-sensitivity"
);
$this->assertTrue(
singleton(ExtensionTest::class)->hasExtension(ExtendTest1::class),
"Extensions are detected when set on Object::\$extensions on instance hasExtension() without"
. " case-sensitivity"
);
// ObjectTest_ExtendTest2 is built in via $extensions (with parameters)
$this->assertTrue(
ExtensionTest::has_extension(ExtendTest2::class),
"Extensions are detected with static has_extension() when set on Object::\$extensions with"
. " additional parameters"
);
$this->assertTrue(
singleton(ExtensionTest::class)->hasExtension(ExtendTest2::class),
"Extensions are detected with instance hasExtension() when set on Object::\$extensions with"
. " additional parameters"
);
$this->assertFalse(
ExtensionTest::has_extension(ExtendTest3::class),
"Other extensions available in the system are not present unless explicitly added to this object"
. " when checking through has_extension()"
);
$this->assertFalse(
singleton(ExtensionTest::class)->hasExtension(ExtendTest3::class),
"Other extensions available in the system are not present unless explicitly added to this object"
. " when checking through instance hasExtension()"
);
// ObjectTest_ExtendTest3 is added manually
ExtensionTest::add_extension(ExtendTest3::class .'("Param")');
$this->assertTrue(
ExtensionTest::has_extension(ExtendTest3::class),
"Extensions are detected with static has_extension() when added through add_extension()"
);
// ExtendTest4 is added manually
ExtensionTest3::add_extension(ExtendTest4::class . '("Param")');
// test against ObjectTest_ExtendTest3, not ObjectTest_ExtendTest3
$this->assertTrue(
ExtensionTest3::has_extension(ExtendTest4::class),
"Extensions are detected with static has_extension() when added through add_extension()"
);
// test against ObjectTest_ExtendTest3, not ExtendTest4 to test if it picks up
// the sub classes of ObjectTest_ExtendTest3
$this->assertTrue(
ExtensionTest3::has_extension(ExtendTest3::class),
"Sub-Extensions are detected with static has_extension() when added through add_extension()"
);
// strictly test against ObjectTest_ExtendTest3, not ExtendTest4 to test if it picks up
// the sub classes of ObjectTest_ExtendTest3
$this->assertFalse(
ExtensionTest3::has_extension(ExtendTest3::class, null, true),
"Sub-Extensions are detected with static has_extension() when added through add_extension()"
);
// a singleton() wouldn't work as its already initialized
$objectTest_ExtensionTest = new ExtensionTest();
$this->assertTrue(
$objectTest_ExtensionTest->hasExtension(ExtendTest3::class),
"Extensions are detected with instance hasExtension() when added through add_extension()"
);
// @todo At the moment, this does NOT remove the extension due to parameterized naming,
// meaning the extension will remain added in further test cases
ExtensionTest::remove_extension(ExtendTest3::class);
}
public function testRemoveExtension()
{
// manually add ObjectTest_ExtendTest2
ObjectTest\ExtensionRemoveTest::add_extension(ExtendTest2::class);
$this->assertTrue(
ObjectTest\ExtensionRemoveTest::has_extension(ExtendTest2::class),
"Extension added through \$add_extension() are added correctly"
);
ObjectTest\ExtensionRemoveTest::remove_extension(ExtendTest2::class);
$this->assertFalse(
ObjectTest\ExtensionRemoveTest::has_extension(ExtendTest2::class),
"Extension added through \$add_extension() are detected as removed in has_extension()"
);
$this->assertFalse(
singleton(ExtensionRemoveTest::class)->hasExtension(ExtendTest2::class),
"Extensions added through \$add_extension() are detected as removed in instances through hasExtension()"
);
// ObjectTest_ExtendTest1 is already present in $extensions
ObjectTest\ExtensionRemoveTest::remove_extension(ExtendTest1::class);
$this->assertFalse(
ObjectTest\ExtensionRemoveTest::has_extension(ExtendTest1::class),
"Extension added through \$extensions are detected as removed in has_extension()"
);
$objectTest_ExtensionRemoveTest = new ObjectTest\ExtensionRemoveTest();
$this->assertFalse(
$objectTest_ExtensionRemoveTest->hasExtension(ExtendTest1::class),
"Extensions added through \$extensions are detected as removed in instances through hasExtension()"
);
}
public function testRemoveExtensionWithParameters()
{
ObjectTest\ExtensionRemoveTest::add_extension(ExtendTest2::class.'("MyParam")');
$this->assertTrue(
ObjectTest\ExtensionRemoveTest::has_extension(ExtendTest2::class),
"Extension added through \$add_extension() are added correctly"
);
ObjectTest\ExtensionRemoveTest::remove_extension(ExtendTest2::class);
$this->assertFalse(
Object::has_extension(ExtensionRemoveTest::class, ExtendTest2::class),
"Extension added through \$add_extension() are detected as removed in has_extension()"
);
$objectTest_ExtensionRemoveTest = new ObjectTest\ExtensionRemoveTest();
$this->assertFalse(
$objectTest_ExtensionRemoveTest->hasExtension(ExtendTest2::class),
"Extensions added through \$extensions are detected as removed in instances through hasExtension()"
);
}
public function testParentClass()
{
$this->assertEquals(ObjectTest\MyObject::create()->parentClass(), 'SilverStripe\\Core\\Object');
}
public function testIsA()
{
$this->assertTrue(ObjectTest\MyObject::create() instanceof Object);
$this->assertTrue(ObjectTest\MyObject::create() instanceof ObjectTest\MyObject);
}
/**
* Tests {@link Object::hasExtension() and Object::getExtensionInstance()}
*/
public function testExtInstance()
{
$obj = new ExtensionTest2();
$this->assertTrue($obj->hasExtension(TestExtension::class));
$this->assertTrue($obj->getExtensionInstance(TestExtension::class) instanceof ObjectTest\TestExtension);
}
public function testCacheToFile()
{
$this->markTestIncomplete();
/*
// This doesn't run properly on our build slave.
$obj = new ObjectTest_CacheTest();
$obj->clearCache('cacheMethod');
$obj->clearCache('cacheMethod', null, array(true));
$obj->clearCache('incNumber');
$this->assertEquals('noarg', $obj->cacheToFile('cacheMethod', -1));
$this->assertEquals('hasarg', $obj->cacheToFile('cacheMethod', -1, null, array(true)));
$this->assertEquals('hasarg', $obj->cacheToFile('cacheMethod', 3600, null, array(true)));
// -1 lifetime will ensure that the cache isn't read - number incremented
$this->assertEquals(1, $obj->cacheToFile('incNumber', -1));
// -1 lifetime will ensure that the cache isn't read - number incremented
$this->assertEquals(2, $obj->cacheToFile('incNumber', -1));
// Number shouldn't be incremented now because we're using the cached version
$this->assertEquals(2, $obj->cacheToFile('incNumber'));
*/
}
public function testExtend()
{
$object = new ObjectTest\ExtendTest();
$argument = 'test';
$this->assertEquals($object->extend('extendableMethod'), array('ExtendTest2()'));
$this->assertEquals($object->extend('extendableMethod', $argument), array('ExtendTest2(modified)'));
$this->assertEquals($argument, 'modified');
$this->assertEquals(
array('ExtendTest()', 'ExtendTest2()'),
$object->invokeWithExtensions('extendableMethod')
);
$arg1 = 'test';
$arg2 = 'bob';
$this->assertEquals(
array('ExtendTest(test,bob)', 'ExtendTest2(modified,objectmodified)'),
$object->invokeWithExtensions('extendableMethod', $arg1, $arg2)
);
$this->assertEquals('modified', $arg1);
$this->assertEquals('objectmodified', $arg2);
$object2 = new ObjectTest\Extending();
$first = 1;
$second = 2;
$third = 3;
$result = $object2->getResults($first, $second, $third);
$this->assertEquals(
array(array('before', 'extension', 'after')),
$result
);
$this->assertEquals(31, $first);
$this->assertEquals(32, $second);
$this->assertEquals(33, $third);
}
public function testParseClassSpec()
{
// Simple case
$this->assertEquals(
array(Versioned::class,array('Stage', 'Live')),
Object::parse_class_spec("SilverStripe\\Versioned\\Versioned('Stage','Live')")
);
// String with commas
$this->assertEquals(
array(Versioned::class,array('Stage,Live', 'Stage')),
Object::parse_class_spec("SilverStripe\\Versioned\\Versioned('Stage,Live','Stage')")
);
// String with quotes
$this->assertEquals(
array(Versioned::class,array('Stage\'Stage,Live\'Live', 'Live')),
Object::parse_class_spec("SilverStripe\\Versioned\\Versioned('Stage\\'Stage,Live\\'Live','Live')")
);
// True, false and null values
$this->assertEquals(
array('ClassName', array('string', true, array('string', false))),
Object::parse_class_spec('ClassName("string", true, array("string", false))')
);
$this->assertEquals(
array('ClassName', array(true, false, null)),
Object::parse_class_spec('ClassName(true, false, null)')
);
// Array
$this->assertEquals(
array('Enum',array(array('Accepted', 'Pending', 'Declined', 'Unsubmitted'), 'Unsubmitted')),
Object::parse_class_spec("Enum(array('Accepted', 'Pending', 'Declined', 'Unsubmitted'), 'Unsubmitted')")
);
// Nested array
$this->assertEquals(
array('Enum',array(array('Accepted', 'Pending', 'Declined', array('UnsubmittedA','UnsubmittedB')),
'Unsubmitted')),
Object::parse_class_spec(
"Enum(array('Accepted', 'Pending', 'Declined', array('UnsubmittedA','UnsubmittedB')), 'Unsubmitted')"
)
);
// 5.4 Shorthand Array
$this->assertEquals(
array('Enum',array(array('Accepted', 'Pending', 'Declined', 'Unsubmitted'), 'Unsubmitted')),
Object::parse_class_spec("Enum(['Accepted', 'Pending', 'Declined', 'Unsubmitted'], 'Unsubmitted')")
);
// 5.4 Nested shorthand array
$this->assertEquals(
array('Enum',array(array('Accepted', 'Pending', 'Declined', array('UnsubmittedA','UnsubmittedB')),
'Unsubmitted')),
Object::parse_class_spec(
"Enum(['Accepted', 'Pending', 'Declined', ['UnsubmittedA','UnsubmittedB']], 'Unsubmitted')"
)
);
// Associative array
$this->assertEquals(
array('Varchar', array(255, array('nullifyEmpty' => false))),
Object::parse_class_spec("Varchar(255, array('nullifyEmpty' => false))")
);
// Nested associative array
$this->assertEquals(
array('Test', array('string', array('nested' => array('foo' => 'bar')))),
Object::parse_class_spec("Test('string', array('nested' => array('foo' => 'bar')))")
);
// 5.4 shorthand associative array
$this->assertEquals(
array('Varchar', array(255, array('nullifyEmpty' => false))),
Object::parse_class_spec("Varchar(255, ['nullifyEmpty' => false])")
);
// 5.4 shorthand nested associative array
$this->assertEquals(
array('Test', array('string', array('nested' => array('foo' => 'bar')))),
Object::parse_class_spec("Test('string', ['nested' => ['foo' => 'bar']])")
);
// Namespaced class
$this->assertEquals(
array('Test\MyClass', array()),
Object::parse_class_spec('Test\MyClass')
);
// Fully qualified namespaced class
$this->assertEquals(
array('\Test\MyClass', array()),
Object::parse_class_spec('\Test\MyClass')
);
}
}