Run MetricFu without making it part of your projects depencies.
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I work exclusively with Ruby 1.9, and most tools included don't (fully) support it. If you want to take over the project, fork the project, and open an issue stating your intentions.
MetricFu is awesome! Metrical strives to make it a little bit easier to get working.
Normally, RCov would work on a black-listing basis. This means that your coverage reports would occasionally be flooded with code outside your project. No longer, because the default is now to exclude everything and only include your
appdirectories. It also fixes some issues with loading RSpec.
You're advised to install it with Bundler, because of dependency issues. Add this to your
gem 'metrical', :require => false
And run it:
bundle exec metrical
You can configure MetricFu in a
.metricsfile in the root of your project.
MetricFu::Configuration.run do |config| config.metrics -= [ :rcov ] end
For more information on configuring your metrics, please visit the MetricFu homepage.
You can also turn off metrics when running, for instance:
bundle exec metrical --no-rcov
The metrics you can turn on and off depend on the type of project you are in. For instance, Rails projects also have
Also, Metrical tries to be smart about your Ruby version. Some metrics are not available on Ruby 1.9 and are disabled automatically.
To see which metrics are available, run:
bundle exec metrical --help
And that's all there is too it. If you have any suggestions, ideas or bug fixes, please drop me a line, or make a github issue.
Most tools don't handle Ruby 1.9 new syntax properly. It doesn't look like this is going to change any time soon.
RCov doesn't work at all with Ruby 1.9. You should use something like SimpleCov. Unfortunately, it hasn't been included into MetricFu yet. Until then, Metrical automatically disables RCov under Ruby 1.9.
Most metrics can't cope with the new syntax in Ruby 1.9. There is nothing I can do about that, or the creator of these metrics, because the root lie in the code parser they use. Either don't use the new syntax or exclude these metrics in your
If you're running Ruby 1.9 with Psych as your default YAML parser (possible in 1.9.2, and the default in 1.9.3), you might get an error message. Read this issue.
Metrical depends on a lot of other gems. This means that sometimes, when a new version of a gem is released, Rubygems will load the wrong version of the gem, that might be incompatible.
If you get a message like
can't activate X, already activated Y, or something similar, use Bundler.
gem install bundler && bundle install
Run the specs:
--no-opento stop it from opening in the browser
metrical --helpto see them all)
Copyright 2010-2011, Iain Hecker - Released under the MIT License.