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#! /usr/bin/env ruby -S rspec
require 'spec_helper'
describe "the abs function" do
let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
it "should exist" do
expect(Puppet::Parser::Functions.function("abs")).to eq("function_abs")
end
it "should raise a ParseError if there is less than 1 arguments" do
expect { scope.function_abs([]) }.to( raise_error(Puppet::ParseError))
end
it "should convert a negative number into a positive" do
result = scope.function_abs(["-34"])
expect(result).to(eq(34))
end
it "should do nothing with a positive number" do
result = scope.function_abs(["5678"])
expect(result).to(eq(5678))
end
end
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