Turkey seems like they're on the edge of the cliff right now. The lira was already having serious issues due to massive spending before sanctions were announced.
You first have to ask the question, can the Chinese government ignore the market longer than the market can ignore the Chinese government.
The answer so far is no and not only in China.
Once the global market is reconfigured in such a way that it funnels benefits back to China they no longer ignore it. Much the same way the Portuguese reconfigured the Asian spice market in the 16th century to their benefit for the next two centuries.
Venezuela hasn't worked out.
Turkey seems like they're on the edge of the cliff right now. The lira was already having serious issues due to massive spending before sanctions were announced.