#! /usr/bin/env ruby

require File.dirname(__FILE__) + '/../../../spec_helper'

describe "the sprintf function" do

    before :each do
        @scope = Puppet::Parser::Scope.new()
    end

    it "should exist" do
        Puppet::Parser::Functions.function("sprintf").should == "function_sprintf"
    end

    it "should raise a ParseError if there is less than 1 argument" do
        lambda { @scope.function_sprintf([]) }.should(
		raise_error(Puppet::ParseError))
    end

    it "should format integers" do
	result = @scope.function_sprintf(["%+05d", "23"])
	result.should(eql("+0023"))
    end

    it "should format floats" do
	result = @scope.function_sprintf(["%+.2f", "2.7182818284590451"])
	result.should(eql("+2.72"))
    end

    it "should format large floats" do
	result = @scope.function_sprintf(["%+.2e", "27182818284590451"])
	result.should(eql("+2.72e+16"))
    end

    it "should perform more complex formatting" do
	result = @scope.function_sprintf(
		[ "<%.8s:%#5o %#8X (%-8s)>",
		  "overlongstring", "23", "48879", "foo" ])
	result.should(eql("<overlong:  027   0XBEEF (foo     )>"))
    end

end