spec/functions/grep_spec.rb


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#! /usr/bin/env ruby -S rspec
require 'spec_helper'

describe "the grep function" do
  let(:scope) { PuppetlabsSpec::PuppetInternals.scope }

  it "should exist" do
    Puppet::Parser::Functions.function("grep").should == "function_grep"
  end

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

  it "should grep contents from an array" do
    result = scope.function_grep([["aaabbb","bbbccc","dddeee"], "bbb"])
    result.should(eq(["aaabbb","bbbccc"]))
  end
end