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require_relative '../spec_helper'
describe "A Ruby class generating a Java stub" do
def generate(script)
node = JRuby.parse(script)
# we use __FILE__ so there's something for it to read
JRuby::Compiler::JavaGenerator.generate_java node, __FILE__
end
it "generates Java source" do
script = generate("class Foo; end")
expect( script ).to_not be nil
expect( script.classes[0].name ).to eql "Foo"
java = script.classes[0].to_s
# a few sanity checks for default behaviors
expect( java ).to match /import org\.jruby\.Ruby;/n
expect( java ).to match /public class Foo extends RubyObject\s+{/n
expect( java ).to match /private static final Ruby __ruby__ = Ruby\.getGlobalRuntime\(\);/n
expect( java ).to match /private static final RubyClass __metaclass__;/n
expect( java ).to match /static {/n
expect( java ).to match /metaclass = __ruby__\.getClass\("Foo"\);/n
expect( java ).to match /__ruby__\.executeScript\(source, "#{__FILE__}"\)/n
expect( java ).to match /private Foo\(Ruby \w+, RubyClass \w+\)/n
expect( java ).to match /public static IRubyObject __allocate__\(Ruby \w+, RubyClass \w+\)/n
end
it "generates a javac command" do
files = %w[Foo.java Bar.java]
javac = JRuby::Compiler::JavaGenerator.generate_javac(
files,
:javac_options => [],
:classpath => ENV_JAVA['java.class.path'].split(File::PATH_SEPARATOR),
:target => '/tmp')
expect( javac ).to match /javac/
expect( javac ).to match /\".*?jruby\w*\.jar\"#{File::PATH_SEPARATOR}/
expect( javac ).to match /Foo\.java/
expect( javac ).to match /Bar\.java/
end
end
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