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#!/usr/bin/env rspec
require 'spec_helper'
describe "the abs function" do
before :all do
Puppet::Parser::Functions.autoloader.loadall
end
before :each do
@scope = Puppet::Parser::Scope.new
end
it "should exist" do
Puppet::Parser::Functions.function("abs").should == "function_abs"
end
it "should raise a ParseError if there is less than 1 arguments" do
lambda { @scope.function_abs([]) }.should( raise_error(Puppet::ParseError))
end
it "should convert a negative number into a positive" do
result = @scope.function_abs(["-34"])
result.should(eq(34))
end
it "should do nothing with a positive number" do
result = @scope.function_abs(["5678"])
result.should(eq(5678))
end
end
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