If you filed your return and received a NetFile Confirmation Number showing you were successful, you should receive your refund or Notice of Assessment (NOA) within two weeks (if you have Direct Deposit). First, you should sign back into your TurboTax return and confirm that it was actually NetFiled, and that you received a NetFile Confirmation Number.
Here's how to check on the NetFile Confirmation Number: How do I find my NETFILE confirmation number?
After verifying that your NetFile was successful, you can check the status of your tax return with CRA: I filed my tax return using NETFILE but didn't receive my refund or Notice of Assessment. What do I do?