Find the CIC office in Fort McMurray and ask them. If you can't find one, ask Service Canada. I did my citizenship in Edmonton and it varies how long it takes to process your file. For some reason, mine took like 2.5 years. Everybody I met at the citizenship ceremony had done it in around a year. When they let you know to appear for the test, you will probably have around 2 weeks notice. Same with the oath ceremony. There is a practice test at
http://www.yourlibrary.ca/citizenship/ Pick all questions and go through them until you know them all. The most important are citizen rights and responsibilities and the voting system.