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#! /usr/bin/env ruby
require 'spec_helper'
describe "the sprintf function" do
before :all do
Puppet::Parser::Functions.autoloader.loadall
end
before :each do
node = Puppet::Node.new('localhost')
compiler = Puppet::Parser::Compiler.new(node)
@scope = Puppet::Parser::Scope.new(compiler)
end
it "should exist" do
expect(Puppet::Parser::Functions.function("sprintf")).to eq("function_sprintf")
end
it "should raise an ArgumentError if there is less than 1 argument" do
expect { @scope.function_sprintf([]) }.to( raise_error(ArgumentError))
end
it "should format integers" do
result = @scope.function_sprintf(["%+05d", "23"])
expect(result).to(eql("+0023"))
end
it "should format floats" do
result = @scope.function_sprintf(["%+.2f", "2.7182818284590451"])
expect(result).to(eql("+2.72"))
end
it "should format large floats" do
result = @scope.function_sprintf(["%+.2e", "27182818284590451"])
str =
"+2.72e+16"
expect(result).to(eql(str))
end
it "should perform more complex formatting" do
result = @scope.function_sprintf(
[ "<%.8s:%#5o %#8X (%-8s)>",
"overlongstring", "23", "48879", "foo" ])
expect(result).to(eql("<overlong: 027 0XBEEF (foo )>"))
end
end
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