247b69cbc0
Converts a string like "2 MB" to the value in bytes. Useful for comparisons on facts that return a human readable number instead of machine readable.
58 lines
1.6 KiB
Ruby
Executable file
58 lines
1.6 KiB
Ruby
Executable file
#! /usr/bin/env ruby -S rspec
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require 'spec_helper'
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describe "the to_bytes function" do
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let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
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it "should exist" do
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Puppet::Parser::Functions.function("to_bytes").should == "function_to_bytes"
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end
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it "should raise a ParseError if there is less than 1 arguments" do
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lambda { scope.function_to_bytes([]) }.should( raise_error(Puppet::ParseError))
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end
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it "should convert kB to B" do
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result = scope.function_to_bytes(["4 kB"])
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result.should(eq(4096))
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end
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it "should work without B in unit" do
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result = scope.function_to_bytes(["4 k"])
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result.should(eq(4096))
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end
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it "should work without a space before unit" do
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result = scope.function_to_bytes(["4k"])
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result.should(eq(4096))
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end
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it "should work without a unit" do
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result = scope.function_to_bytes(["5678"])
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result.should(eq(5678))
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end
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it "should convert fractions" do
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result = scope.function_to_bytes(["1.5 kB"])
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result.should(eq(1536))
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end
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it "should convert scientific notation" do
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result = scope.function_to_bytes(["1.5e2 B"])
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result.should(eq(150))
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end
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it "should do nothing with a positive number" do
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result = scope.function_to_bytes([5678])
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result.should(eq(5678))
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end
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it "should should raise a ParseError if input isn't a number" do
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lambda { scope.function_to_bytes(["foo"]) }.should( raise_error(Puppet::ParseError))
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end
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it "should should raise a ParseError if prefix is unknown" do
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lambda { scope.function_to_bytes(["5 uB"]) }.should( raise_error(Puppet::ParseError))
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end
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end
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