From 9295d0d5cae91f8c9b3b4b4fd891661666ab9e13 Mon Sep 17 00:00:00 2001 From: Zachary Alex Stern Date: Tue, 28 Oct 2014 13:14:06 -0700 Subject: Added correct converstions for PB and EB. * We were converting Exabytes to bytes as Petabytes. * Updated tests to cover ever unit. * Added note that we're going by the old, inaccurate definitions of Kilobytes, Megabytes, etc, in that we treat them as powers of 2. --- lib/puppet/parser/functions/to_bytes.rb | 5 ++++- spec/functions/to_bytes_spec.rb | 25 +++++++++++++++++++++++++ 2 files changed, 29 insertions(+), 1 deletion(-) diff --git a/lib/puppet/parser/functions/to_bytes.rb b/lib/puppet/parser/functions/to_bytes.rb index 8ff73d1..df490ea 100644 --- a/lib/puppet/parser/functions/to_bytes.rb +++ b/lib/puppet/parser/functions/to_bytes.rb @@ -2,6 +2,8 @@ module Puppet::Parser::Functions newfunction(:to_bytes, :type => :rvalue, :doc => <<-EOS Converts the argument into bytes, for example 4 kB becomes 4096. Takes a single string value as an argument. + These conversions reflect a layperson's understanding of + 1 MB = 1024 KB, when in fact 1 MB = 1000 KB, and 1 MiB = 1024 KiB. EOS ) do |arguments| @@ -21,7 +23,8 @@ module Puppet::Parser::Functions when 'M' then return (value*(1<<20)).to_i when 'G' then return (value*(1<<30)).to_i when 'T' then return (value*(1<<40)).to_i - when 'E' then return (value*(1<<50)).to_i + when 'P' then return (value*(1<<50)).to_i + when 'E' then return (value*(1<<60)).to_i else raise Puppet::ParseError, "to_bytes(): Unknown prefix #{prefix}" end end diff --git a/spec/functions/to_bytes_spec.rb b/spec/functions/to_bytes_spec.rb index 68a1eb8..0f6ade9 100755 --- a/spec/functions/to_bytes_spec.rb +++ b/spec/functions/to_bytes_spec.rb @@ -18,6 +18,31 @@ describe "the to_bytes function" do expect(result).to(eq(4096)) end + it "should convert MB to B" do + result = scope.function_to_bytes(["4 MB"]) + expect(result).to(eq(4194304)) + end + + it "should convert GB to B" do + result = scope.function_to_bytes(["4 GB"]) + expect(result).to(eq(4294967296)) + end + + it "should convert TB to B" do + result = scope.function_to_bytes(["4 TB"]) + expect(result).to(eq(4398046511104)) + end + + it "should convert PB to B" do + result = scope.function_to_bytes(["4 PB"]) + expect(result).to(eq(4503599627370496)) + end + + it "should convert PB to B" do + result = scope.function_to_bytes(["4 EB"]) + expect(result).to(eq(4611686018427387904)) + end + it "should work without B in unit" do result = scope.function_to_bytes(["4 k"]) expect(result).to(eq(4096)) -- cgit v1.2.3