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#! /usr/bin/env ruby
require 'spec_helper'
describe Puppet::Parser::AST::ASTArray do
before :each do
node = Puppet::Node.new('localhost')
compiler = Puppet::Parser::Compiler.new(node)
@scope = Puppet::Parser::Scope.new(compiler)
end
it "should have a [] accessor" do
array = Puppet::Parser::AST::ASTArray.new :children => []
array.should respond_to(:[])
end
it "should evaluate all its children" do
item1 = stub "item1", :is_a? => true
item2 = stub "item2", :is_a? => true
item1.expects(:safeevaluate).with(@scope).returns(123)
item2.expects(:safeevaluate).with(@scope).returns(246)
operator = Puppet::Parser::AST::ASTArray.new :children => [item1,item2]
operator.evaluate(@scope)
end
it "should not flatten children coming from children ASTArray" do
item = Puppet::Parser::AST::String.new :value => 'foo'
inner_array = Puppet::Parser::AST::ASTArray.new :children => [item, item]
operator = Puppet::Parser::AST::ASTArray.new :children => [inner_array, inner_array]
operator.evaluate(@scope).should == [['foo', 'foo'], ['foo', 'foo']]
end
it "should not flatten the results of children evaluation" do
item = Puppet::Parser::AST::String.new :value => 'foo'
item.stubs(:evaluate).returns(['foo'])
operator = Puppet::Parser::AST::ASTArray.new :children => [item, item]
operator.evaluate(@scope).should == [['foo'], ['foo']]
end
it "should discard nil results from children evaluation" do
item1 = Puppet::Parser::AST::String.new :value => 'foo'
item2 = Puppet::Parser::AST::String.new :value => 'foo'
item2.stubs(:evaluate).returns(nil)
operator = Puppet::Parser::AST::ASTArray.new :children => [item1, item2]
operator.evaluate(@scope).should == ['foo']
end
it "should return a valid string with to_s" do
a = stub 'a', :is_a? => true, :to_s => "a"
b = stub 'b', :is_a? => true, :to_s => "b"
array = Puppet::Parser::AST::ASTArray.new :children => [a,b]
array.to_s.should == "[a, b]"
end
end
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