tests/phpunit/includes/parser/ParserFactoryTest.php

   1 <?php
   2
   3 /**
   4  * @covers ParserFactory
   5  */
   6 class ParserFactoryTest extends MediaWikiTestCase {
   7         /**
   8          * For backwards compatibility, all parameters to the parser constructor are optional and
   9          * default to the appropriate global service, so it's easy to forget to update ParserFactory to
  10          * actually pass the parameters it's supposed to.
  11          */
  12         public function testConstructorArgNum() {
  13                 $factoryConstructor = new ReflectionMethod( 'ParserFactory', '__construct' );
  14                 $instanceConstructor = new ReflectionMethod( 'Parser', '__construct' );
  15                 // Subtract one for the ParserFactory itself
  16                 $this->assertSame( $instanceConstructor->getNumberOfParameters() - 1,
  17                         $factoryConstructor->getNumberOfParameters(),
  18                         'Parser and ParserFactory constructors have an inconsistent number of parameters. ' .
  19                         'Did you add a parameter to one and not the other?' );
  20         }
  21
  22         public function testAllArgumentsWerePassed() {
  23                 $factoryConstructor = new ReflectionMethod( 'ParserFactory', '__construct' );
  24                 $mocks = [];
  25                 foreach ( $factoryConstructor->getParameters() as $param ) {
  26                         $type = (string)$param->getType();
  27                         if ( $type === 'array' ) {
  28                                 $val = [ 'porcupines will tell me your secrets' . count( $mocks ) ];
  29                         } elseif ( class_exists( $type ) || interface_exists( $type ) ) {
  30                                 $val = $this->createMock( $type );
  31                         } elseif ( $type === '' ) {
  32                                 // Optimistically assume a string is okay
  33                                 $val = 'I will de-quill them first' . count( $mocks );
  34                         } else {
  35                                 $this->fail( "Unrecognized parameter type $type in ParserFactory constructor" );
  36                         }
  37                         $mocks[] = $val;
  38                 }
  39
  40                 $factory = new ParserFactory( ...$mocks );
  41                 $parser = $factory->create();
  42
  43                 foreach ( ( new ReflectionObject( $parser ) )->getProperties() as $prop ) {
  44                         $prop->setAccessible( true );
  45                         foreach ( $mocks as $idx => $mock ) {
  46                                 if ( $prop->getValue( $parser ) === $mock ) {
  47                                         unset( $mocks[$idx] );
  48                                 }
  49                         }
  50                 }
  51
  52                 $this->assertCount( 0, $mocks, 'Not all arguments to the ParserFactory constructor were ' .
  53                         'found in Parser member variables' );
  54         }
  55 }