[rspec-users] Running Rspec tests with JRuby fails

Serguei Cambour lists at ruby-forum.com
Fri Jul 6 19:41:31 UTC 2012


How to run RSpec tests with JRuby in a Java project? I tried to run it
with JRuby 1.7.0.preview1,
rspec (2.10.0)
rspec-core (2.10.1)
rspec-expectations (2.10.0)
rspec-mocks (2.10.1)
rspec-rails (2.10.1)

as follows:

jruby -S rspec and got the error:

javix at ubuntu:~/Development/rspec_jruby$ jruby -S rspec spec
NameError: cannot load Java class com.models.Calculator
         for_name at org/jruby/javasupport/JavaClass.java:1206
  get_proxy_class at org/jruby/javasupport/JavaUtilities.java:34
      java_import at
file:/home/javix/.rvm/rubies/jruby-1.7.0.preview1/lib/jruby.jar!/jruby/java/core_ext/object.rb:45
              map at org/jruby/RubyArray.java:2350
      java_import at
file:/home/javix/.rvm/rubies/jruby-1.7.0.preview1/lib/jruby.jar!/jruby/java/core_ext/object.rb:41
           (root) at
/home/javix/Development/rspec_jruby/spec/com/models/calculator_spec.rb:3
             load at org/jruby/RubyKernel.java:1017
           (root) at
/home/javix/.rvm/gems/jruby-1.7.0.preview1/gems/rspec-core-2.10.1/lib/rspec/core/configuration.rb:1
              map at org/jruby/RubyArray.java:2350
  load_spec_files at
/home/javix/.rvm/gems/jruby-1.7.0.preview1/gems/rspec-core-2.10.1/lib/rspec/core/configuration.rb:746
  load_spec_files at
/home/javix/.rvm/gems/jruby-1.7.0.preview1/gems/rspec-core-2.10.1/lib/rspec/core/configuration.rb:746
              run at
/home/javix/.rvm/gems/jruby-1.7.0.preview1/gems/rspec-core-2.10.1/lib/rspec/core/command_line.rb:22
              run at
/home/javix/.rvm/gems/jruby-1.7.0.preview1/gems/rspec-core-2.10.1/lib/rspec/core/runner.rb:69
javix at ubuntu:~/Development/rspec_jruby$

Here is the java class, too simple just to be able to test if all works:
in [project_root-src-com-models]:
package com.models;

public class Calculator {

    public int sum(int x, int y){
        return x+y;
    }
}

Here is the rspec file in
[project_root-spec-com-models-calculator_spec.rb]:

require 'java'
require 'rubygems'
java_import 'com.models.Calculator'

describe "Calculator" do
  it "should add numbers correctly" do
    calc = Calculator.new
    calc.sum(1,3).should == 4
  end
end

Any idea? Thank you in advance.

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