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# licenses this file to you under the Apache License, Version 2.0 (the
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# You may obtain a copy of the License at
#
#    http://www.apache.org/licenses/LICENSE-2.0
#
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require File.expand_path(File.join(File.dirname(__FILE__), '..', 'spec_helpers'))


describe Run::JavaRunner do

  it 'should fail on error' do
    define 'foo' do
      run.using :java, :main => 'org.example.NonExistentMain' # class doesn't exist
    end
    lambda { project('foo').run.invoke }.should raise_error(RuntimeError, /Failed to execute java/)
  end

  it 'should execute main class' do
    write 'src/main/java/org/example/Main.java', <<-JAVA
      package org.example;
      public class Main {
        public static void main(String[] args) {
          System.out.println("Hello, world!");
        }
      }
    JAVA
    define 'foo' do
      run.using :main => 'org.example.Main'
    end
    project('foo').run.prerequisites.should include(task("foo:compile"))
  end

  it 'should accept :main option as an array including parameters for the main class' do
    define 'foo' do
      run.using :java, :main => ['org.example.Main', '-t', 'input.txt']
    end
    Java::Commands.should_receive(:java).once.with do |*args|
      args[0].should == ['org.example.Main', '-t', 'input.txt']
    end
    project('foo').run.invoke
  end

  it 'should accept :java_args and pass them to java' do
    define 'foo' do
      run.using :java, :main => 'foo', :java_args => ['-server']
    end
    Java::Commands.should_receive(:java).once.with do |*args|
      args[0].should == 'foo'
      args[1][:java_args].should include('-server')
    end
    project('foo').run.invoke
  end

  it 'should accept :properties and pass them as -Dproperty=value to java' do
    define 'foo' do
      run.using :java, :main => 'foo', :properties => { :foo => 'one', :bar => 'two' }
    end
    Java::Commands.should_receive(:java).once.with do |*args|
      args[0].should == 'foo'
      args[1][:properties][:foo].should == 'one'
      args[1][:properties][:bar].should == 'two'
    end
    project('foo').run.invoke
  end

end