/**
* @param \PHPUnit_Framework_MockObject_Matcher_Invocation|null $matcher
*
* @return \PHPUnit_Framework_MockObject_MockObject
*/
protected function getComposer(\PHPUnit_Framework_MockObject_Matcher_Invocation $matcher = null)
{
$mock = $this->getMock('\\Composer\\Composer');
$that = $this;
$composer = $this->composer;
$this->factory->expects($matcher ?: $this->once())->method('createComposer')->will($this->returnCallback(function ($io) use($that, $mock, $composer) {
// check IO from origin composer
$that->assertEquals($composer->getIO(), $io);
return $mock;
}));
return $mock;
}
