[rspec-users] somewhat confused by the help instructions...
dchelimsky at gmail.com
Sat Jan 30 09:38:59 EST 2010
On Sat, Jan 30, 2010 at 7:31 AM, Matt Wynne <matt at mattwynne.net> wrote:
> On 30 Jan 2010, at 06:45, David Chelimsky wrote:
>> On Thu, Jan 28, 2010 at 12:54 PM, rogerdpack <rogerpack2005 at gmail.com>
>>> As a note of feedback, when I do a spec --help, I saw this line...
>>> -e, --example [NAME|FILE_NAME] Execute example(s) with matching
>>> name(s). If the argument is
>>> the path to an existing file
>>> (typically generated by a previous
>>> run using --format
>>> failing_examples:file.txt), then the examples
>>> on each line of that file will be
>>> executed. If the file is empty,
>>> all examples will be run (as if --
>>> example was not specified).
>>> so I, trying to be clever, passed it something to match:
>>> E:\dev\ruby\spork>spec spec/spork/run_strategy/single* -e"the result"
>>> Finished in 0.125 seconds
>>> 0 examples, 0 failures
>>> Passing it the full test name seems to work, however:
>>> E:\dev\ruby\spork>spec spec/spork/run_strategy/single* -e"returns the
>>> result of the run_tests method from the forked child"
>>> Finished in 0.34375 seconds
>>> 3 examples, 0 failures
>>> rephrase the help as "runs the test whose name equals the one
>>> specified" (instead of using the word "matches" which to me somehow
>>> meant "regex"), or
>>> change the matching to be regex matching (this one is what I would
>>> personally prefer--then you don't have to put full test names on the
>>> command line).
>> Actually, I'm thinking of not supporting this in rspec-2. I personally
>> find the line number much more useful, since you can just copy it
>> directly from the failure messages to re-run something:
>> spec path/to/spec.rb:37
> This is great except when you use macros or other tricks to generate
> examples - then there isn't a 1:1: mapping from line number to example. I
> often find it quite annoying to have to quote the whole example description,
> so I actually quite like Roger's idea about using regexp matching.
Excellent news for you both. It turns out that the underlying
machinery is already in place for this in rspec2's new runner. Just
need to hook it to the command line. But right now, in
rspec-core-2.0.0.a2, you can say this in any Ruby that gets loaded
Rspec::Core.configure do |c|
c.filter_run :description => /should match this string/
Hooking that from the CLI will be pretty simple, so coming soon.
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