tonyair
/
silverstripe-framework
mirror of https://github.com/silverstripe/silverstripe-framework
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Merge pull request #7746 from dhensby/pulls/4.0/allow-injector-extensions 

FIX Allow extension instances to be overridden by injector
This commit is contained in:
Damian Mooyman 2018-01-12 17:10:04 +13:00 committed by GitHub
parent 3312a68dc2 7d66342496
commit a15c6887fc
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 55 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
src/Core/ClassInfo.php
View File

@ -208,6 +208,7 @@ class ClassInfo
* eg: self::class_name('dataobJEct'); //returns 'DataObject'
*
* @param string|object $nameOrObject The classname or object you want to normalise
* @throws \ReflectionException
* @return string The normalised class name
*/
public static function class_name($nameOrObject)

32
src/Core/Extensible.php
View File

@ -495,17 +495,22 @@ trait Extensible
/**
* Get an extension instance attached to this object by name.
*
* @uses hasExtension()
*
* @param string $extension
* @return Extension
* @return Extension|null
*/
public function getExtensionInstance($extension)
{
$instances = $this->getExtensionInstances();
return isset($instances[$extension])
? $instances[$extension]
: null;
if (array_key_exists($extension, $instances)) {
return $instances[$extension];
}
// in case Injector has been used to replace an extension
foreach ($instances as $instance) {
if (is_a($instance, $extension)) {
return $instance;
}
}
return null;
}
/**
@ -524,8 +529,7 @@ trait Extensible
*/
public function hasExtension($extension)
{
$instances = $this->getExtensionInstances();
return isset($instances[$extension]);
return (bool) $this->getExtensionInstance($extension);
}
/**
@ -553,8 +557,16 @@ trait Extensible
if ($extensions) {
foreach ($extensions as $extension) {
$instance = Injector::inst()->get($extension);
$this->extension_instances[get_class($instance)] = $instance;
$name = $extension;
// Allow service names of the form "%$ServiceName"
if (substr($name, 0, 2) == '%$') {
$name = substr($name, 2);
}
$name = trim(strtok($name, '('));
if (class_exists($name)) {
$name = ClassInfo::class_name($name);
}
$this->extension_instances[$name] = Injector::inst()->get($extension);
}
}
}

33
tests/php/Core/ObjectTest.php
View File

@ -195,11 +195,13 @@ class ObjectTest extends SapphireTest
);
$inst = new ExtensionTest();
$extensions = $inst->getExtensionInstances();
$this->assertEquals(count($extensions), 2);
$this->assertCount(2, $extensions);
$this->assertArrayHasKey(ExtendTest1::class, $extensions);
$this->assertInstanceOf(
ExtendTest1::class,
$extensions[ExtendTest1::class]
);
$this->assertArrayHasKey(ExtendTest2::class, $extensions);
$this->assertInstanceOf(
ExtendTest2::class,
$extensions[ExtendTest2::class]
@ -507,4 +509,33 @@ class ObjectTest extends SapphireTest
ClassInfo::parse_class_spec('\Test\MyClass')
);
}
public function testInjectedExtensions()
{
$mockExtension = $this->createMock(TestExtension::class);
$mockClass = get_class($mockExtension);
$object = new ExtensionTest2();
// sanity check
$this->assertNotEquals(TestExtension::class, $mockClass);
$this->assertTrue($object->hasExtension(TestExtension::class));
$this->assertFalse($object->hasExtension($mockClass));
$this->assertCount(1, $object->getExtensionInstances());
$this->assertInstanceOf(TestExtension::class, $object->getExtensionInstance(TestExtension::class));
$this->assertNotInstanceOf($mockClass, $object->getExtensionInstance(TestExtension::class));
Injector::inst()->registerService($mockExtension, TestExtension::class);
$object = new ExtensionTest2();
$this->assertTrue($object->hasExtension(TestExtension::class));
$this->assertTrue($object->hasExtension($mockClass));
$this->assertCount(1, $object->getExtensionInstances());
$this->assertInstanceOf(TestExtension::class, $object->getExtensionInstance(TestExtension::class));
$this->assertInstanceOf($mockClass, $object->getExtensionInstance(TestExtension::class));
$this->assertInstanceOf(TestExtension::class, $object->getExtensionInstance($mockClass));
$this->assertInstanceOf($mockClass, $object->getExtensionInstance($mockClass));
}
}