Symfony\Component\DependencyInjection\Tests\ContainerBuilderTest::testDefinitions PHP Method

    public function testDefinitions()
    {
        $builder = new ContainerBuilder();
        $definitions = array(
            'foo' => new Definition('Bar\FooClass'),
            'bar' => new Definition('BarClass'),
        );
        $builder->setDefinitions($definitions);
        $this->assertEquals($definitions, $builder->getDefinitions(), '->setDefinitions() sets the service definitions');
        $this->assertTrue($builder->hasDefinition('foo'), '->hasDefinition() returns true if a service definition exists');
        $this->assertFalse($builder->hasDefinition('foobar'), '->hasDefinition() returns false if a service definition does not exist');

        $builder->setDefinition('foobar', $foo = new Definition('FooBarClass'));
        $this->assertEquals($foo, $builder->getDefinition('foobar'), '->getDefinition() returns a service definition if defined');
        $this->assertTrue($builder->setDefinition('foobar', $foo = new Definition('FooBarClass')) === $foo, '->setDefinition() implements a fluid interface by returning the service reference');

        $builder->addDefinitions($defs = array('foobar' => new Definition('FooBarClass')));
        $this->assertEquals(array_merge($definitions, $defs), $builder->getDefinitions(), '->addDefinitions() adds the service definitions');

        try {
            $builder->getDefinition('baz');
            $this->fail('->getDefinition() throws a ServiceNotFoundException if the service definition does not exist');
        } catch (ServiceNotFoundException $e) {
            $this->assertEquals('You have requested a non-existent service "baz".', $e->getMessage(), '->getDefinition() throws a ServiceNotFoundException if the service definition does not exist');
        }
    }