+ public function testImportWiring() {
+ $services = $this->newServiceContainer();
+
+ $wiring = [
+ 'Foo' => function() {
+ return 'Foo!';
+ },
+ 'Bar' => function() {
+ return 'Bar!';
+ },
+ 'Car' => function() {
+ return 'FUBAR!';
+ },
+ ];
+
+ $services->applyWiring( $wiring );
+
+ $newServices = $this->newServiceContainer();
+
+ // define a service before importing, so we can later check that
+ // existing service instances survive importWiring()
+ $newServices->defineService( 'Car', function() {
+ return 'Car!';
+ } );
+
+ // force instantiation
+ $newServices->getService( 'Car' );
+
+ // Define another service, so we can later check that extra wiring
+ // is not lost.
+ $newServices->defineService( 'Xar', function() {
+ return 'Xar!';
+ } );
+
+ // import wiring, but skip `Bar`
+ $newServices->importWiring( $services, [ 'Bar' ] );
+
+ $this->assertNotContains( 'Bar', $newServices->getServiceNames(), 'Skip `Bar` service' );
+ $this->assertSame( 'Foo!', $newServices->getService( 'Foo' ) );
+
+ // import all wiring, but preserve existing service instance
+ $newServices->importWiring( $services );
+
+ $this->assertContains( 'Bar', $newServices->getServiceNames(), 'Import all services' );
+ $this->assertSame( 'Bar!', $newServices->getService( 'Bar' ) );
+ $this->assertSame( 'Car!', $newServices->getService( 'Car' ), 'Use existing service instance' );
+ $this->assertSame( 'Xar!', $newServices->getService( 'Xar' ), 'Predefined services are kept' );
+ }
+