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[dsa-puppet.git] / 3rdparty / modules / stdlib / spec / functions / abs_spec.rb
1 #! /usr/bin/env ruby -S rspec
2
3 require 'spec_helper'
4
5 describe "the abs function" do
6   let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
7
8   it "should exist" do
9     expect(Puppet::Parser::Functions.function("abs")).to eq("function_abs")
10   end
11
12   it "should raise a ParseError if there is less than 1 arguments" do
13     expect { scope.function_abs([]) }.to( raise_error(Puppet::ParseError))
14   end
15
16   it "should convert a negative number into a positive" do
17     result = scope.function_abs(["-34"])
18     expect(result).to(eq(34))
19   end
20
21   it "should do nothing with a positive number" do
22     result = scope.function_abs(["5678"])
23     expect(result).to(eq(5678))
24   end
25 end