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#!/usr/bin/env ruby
require File.dirname(__FILE__) + '/../../../spec_helper'
describe Puppet::Parser::AST::ComparisonOperator do
before :each do
@scope = Puppet::Parser::Scope.new()
@one = stub 'one', :safeevaluate => "1"
@two = stub 'two', :safeevaluate => "2"
end
it "should evaluate both branches" do
lval = stub "lval"
lval.expects(:safeevaluate).with(@scope)
rval = stub "rval"
rval.expects(:safeevaluate).with(@scope)
operator = Puppet::Parser::AST::ComparisonOperator.new :lval => lval, :operator => "==", :rval => rval
operator.evaluate(@scope)
end
it "should convert arguments strings to numbers if they are" do
Puppet::Parser::Scope.expects(:number?).with("1").returns(1)
Puppet::Parser::Scope.expects(:number?).with("2").returns(2)
operator = Puppet::Parser::AST::ComparisonOperator.new :lval => @one, :operator => "==", :rval => @two
operator.evaluate(@scope)
end
%w{< > <= >= ==}.each do |oper|
it "should use string comparison #{oper} if operands are strings" do
lval = stub 'one', :safeevaluate => "one"
rval = stub 'two', :safeevaluate => "two"
Puppet::Parser::Scope.stubs(:number?).with("one").returns(nil)
Puppet::Parser::Scope.stubs(:number?).with("two").returns(nil)
operator = Puppet::Parser::AST::ComparisonOperator.new :lval => lval, :operator => oper, :rval => rval
operator.evaluate(@scope).should == "one".send(oper,"two")
end
end
it "should fail with arguments of different types" do
lval = stub 'one', :safeevaluate => "one"
rval = stub 'two', :safeevaluate => "2"
Puppet::Parser::Scope.stubs(:number?).with("one").returns(nil)
Puppet::Parser::Scope.stubs(:number?).with("2").returns(2)
operator = Puppet::Parser::AST::ComparisonOperator.new :lval => lval, :operator => ">", :rval => rval
lambda { operator.evaluate(@scope) }.should raise_error(ArgumentError)
end
it "should fail for an unknown operator" do
lambda { operator = Puppet::Parser::AST::ComparisonOperator.new :lval => @one, :operator => "or", :rval => @two }.should raise_error
end
%w{< > <= >= ==}.each do |oper|
it "should return the result of using '#{oper}' to compare the left and right sides" do
operator = Puppet::Parser::AST::ComparisonOperator.new :lval => @one, :operator => oper, :rval => @two
operator.evaluate(@scope).should == 1.send(oper,2)
end
end
it "should return the result of using '!=' to compare the left and right sides" do
operator = Puppet::Parser::AST::ComparisonOperator.new :lval => @one, :operator => '!=', :rval => @two
operator.evaluate(@scope).should == true
end
it "should work for variables too" do
one = Puppet::Parser::AST::Variable.new( :value => "one" )
two = Puppet::Parser::AST::Variable.new( :value => "two" )
@scope.expects(:lookupvar).with("one", false).returns(1)
@scope.expects(:lookupvar).with("two", false).returns(2)
operator = Puppet::Parser::AST::ComparisonOperator.new :lval => one, :operator => "<", :rval => two
operator.evaluate(@scope).should == true
end
# see ticket #1759
%w{< > <= >=}.each do |oper|
it "should return the correct result of using '#{oper}' to compare 10 and 9" do
ten = stub 'one', :safeevaluate => "10"
nine = stub 'two', :safeevaluate => "9"
operator = Puppet::Parser::AST::ComparisonOperator.new :lval => ten, :operator => oper, :rval => nine
operator.evaluate(@scope).should == 10.send(oper,9)
end
end
end
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