<?php

namespace React\Promise;

class TestCase extends \PHPUnit_Framework_TestCase
{
    public function expectCallableExactly($amount)
    {
        $mock = $this->createCallableMock();
        $mock
            ->expects($this->exactly($amount))
            ->method('__invoke');

        return $mock;
    }

    public function expectCallableOnce()
    {
        $mock = $this->createCallableMock();
        $mock
            ->expects($this->once())
            ->method('__invoke');

        return $mock;
    }

    public function expectCallableNever()
    {
        $mock = $this->createCallableMock();
        $mock
            ->expects($this->never())
            ->method('__invoke');

        return $mock;
    }

    public function createCallableMock()
    {
        return $this
            ->getMockBuilder('React\\Promise\Stub\CallableStub')
            ->getMock();
    }
}