Ready for an Iranian Nuclear Test?

Is Iran bluffing or do they have a nuke test up their sleeve?

Iran nuclear deal collapses. Time for US to get tough? CSMonitor
Iran rejected a UN-brokered nuclear deal Wednesday that would have sent its uranium stockpile abroad. The Obama administration is now under pressure to make good on its promises of 'consequences.'

Minister Says Iran Won't Ship Uranium Abroad New York Times
Iran’s foreign minister said this week that his government would not ship its stockpile of low-enriched uranium out of the country, making him the highest ranking official so far to declare that Iran would renege on a deal aimed at defusing a confrontation with the West over its nuclear program.

Flashback to July 16, 2009:

Iran could have a nuclear bomb in six months Bild
German intelligence sources have sent a chilling warning that Iran could be armed with a nuclear weapon in six months. German secret service have “no doubt” that Iran’s missile programme is “exclusively” for the building of nuclear warheads.

6 nations ponder how to punish Iran for nukes China Daily
The meeting will include the UN Security Council's permanent members Britain, China, France, Russia and the US plus Germany, an EU official said Thursday, speaking on condition of anonymity because she was not authorized to disclose details.