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require 'spec_helper'
describe Parslet::Parser do
include Parslet
class FooParser < Parslet::Parser
rule(:foo) { str('foo') }
root(:foo)
end
describe "<- .root" do
parser = Class.new(Parslet::Parser)
parser.root :root_parslet
it "should have defined a 'root' method, returning the root" do
parser_instance = parser.new
flexmock(parser_instance).should_receive(:root_parslet => :answer)
parser_instance.root.should == :answer
end
end
it "should parse 'foo'" do
FooParser.new.parse('foo').should == 'foo'
end
context "composition" do
let(:parser) { FooParser.new }
it "should allow concatenation" do
composite = parser >> str('bar')
composite.should parse('foobar')
end
end
end
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