On Dec 1, 5:22 pm, "Andrew M. Kasper" <[email protected]> wrote: > > I have a named scope that sets a sort order. In my unit test I can > > run the query on a set of records (using Factory or fixtures) and > > check the sort order is correct. I believe though that a find without > > an explicit sort order may return the records in any order, so how can > > I be sure that it is not just accidental that they are in the correct > > order? > > Colin: > > I would argue that it's unimportant -- even at the unit-level -- *how* > the test is passing. If every time you run the test it passes, then > the code does what you specify it does. When there's a problem, > identify the bug and write a new unit, integration, or functional test > that eliminates the unexpected behavior, then make that test pass. > > I might also argue that it's not up to you to test ActiveRecord. You > might assert that your named scope is passing the correct sorting > parameters to ActiveRecord; at that point, it's up to ActiveRecord to > hold up its end of the bargain. >
I'd add that something that may give you some comfort is to endeavour to write a failing test first. Fred -- You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en.
