From: Nasir Khan <rubylearner@...>
Date: 2007-07-07T07:00:42+09:00
Subject: Re: Weird test/unit behavior

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Ah Gotcha!

It is a side effect of having commandline arguments. ARGV is also used by
autorunner.rb.
using shift in run2.rb clears the ARGV array.



On 7/6/07, Nasir Khan <rubylearner@gmail.com> wrote:
>
> Consider a simple test -
>
> my_test.rb:
> ----------------------------------------
> require 'test/unit'
>
> class MyTest < Test::Unit::TestCase
>
>   def test1
>     assert(true)
>   end
>
> end
> ----------------------------------------
>
> Now consider a simple script to run this.
>
> run2.rb:
> ----------------------------------------
> if ARGV.length == 0
>   puts "usage run testfile"
> else
>   type = ARGV.shift
>   if type == "-t"
>     f = ARGV.shift
>     load f
>   end
> end
> ----------------------------------------
>
> So if you run it then you get the expected result.
>
> run2 -t my_test.rb
> Loaded suite ~sparkle:/nasir/misc/test/run2
> Started
> .
> Finished in 0.0 seconds.
>
> 1 tests, 1 assertions, 0 failures, 0 errors
>
>
> But now consider another script to run the same test.
>
> run1.rb:
> --------------------------------------------
> D:\nasir\misc\test>cat run1.rb
> if ARGV.length == 0
>   puts "usage: run testfile"
> else
>   ARGV.each_with_index do |arg, i|
>     if arg == "-t"
>       load ARGV[i+1]
>     end
>   end
> end
> --------------------------------------------
>
> When you run it the testcase is loaded alright but it doesnt run!
>
> run1.rb -t my_test.rb
> Loaded suite ~sparkle:/nasir/misc/test/run1
> Started
>
> Finished in 0.0 seconds.
>
> 0 tests, 0 assertions, 0 failures, 0 errors
>
> ------
>
> Apparently the testsuite is not run/loaded in this case.
>
> Any help in finding out what is going on is appreciated.
>
> - nasir
>

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