RCov started analyzing loaded libs (including Rdoc itself) – when using rvm (Ruby Version Manager)

Posted by phvalues on Stack Overflow See other posts from Stack Overflow or by phvalues
Published on 2010-06-11T09:07:30Z Indexed on 2010/06/11 9:13 UTC
Read the original article Hit count: 648

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Context

  • rcov 0.9.8 2010-02-28
  • ruby 1.8.7 (2009-06-12 patchlevel 174) [i686-darwin10.3.0]
  • rvm 0.1.38 by Wayne E. Seguin ([email protected]) [http://rvm.beginrescueend.com/]
  • System Ruby (rvm use system): ruby 1.8.7 (2010-01-10 patchlevel 249) [i686-darwin10]

Files

The test setup is a 'lib' folder containing a single file which defines a class, the folders 'test' and 'test/sub_test', with 'sub_test' containing the single 'test_example_lib.rb' and a Rakefile like this:

require 'rcov/rcovtask'

task :default => [:rcov]

desc "RCov"
Rcov::RcovTask.new do | t |
    t.test_files = FileList[ 'test/**/test_*.rb' ]
end

Result

#rake
(in /Users/stephan/tmp/rcov_example)
rm -r coverage
Loaded suite /Users/stephan/.rvm/gems/ruby-1.8.7-p174/bin/rcov
Started
.
Finished in 0.000508 seconds.

1 tests, 2 assertions, 0 failures, 0 errors
+----------------------------------------------------+-------+-------+--------+
|                  File                              | Lines |  LOC  |  COV   |
+----------------------------------------------------+-------+-------+--------+
|...ms/rcov-0.9.8/lib/rcov/code_coverage_analyzer.rb |   271 |   156 |   5.1% |
|...ems/rcov-0.9.8/lib/rcov/differential_analyzer.rb |   116 |    82 |   9.8% |
|lib/example_lib.rb                                  |    16 |    11 |  72.7% |
+----------------------------------------------------+-------+-------+--------+
|Total                                               |   403 |   249 |   9.6% |
+----------------------------------------------------+-------+-------+--------+
9.6%   3 file(s)   403 Lines   249 LOC

Question

Why is RCov itself analysed here? I'd expect that (and it doesn't happen when using 'rvm use system'). In fact it seems to be due to me using a Ruby installed via rvm.

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