spec/unit/parser/functions/sprintf_spec.rb


1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41

#! /usr/bin/env ruby

require File.dirname(__FILE__) + '/../../../spec_helper'

describe "the sprintf function" do

    before :each do
        @scope = Puppet::Parser::Scope.new()
    end

    it "should exist" do
        Puppet::Parser::Functions.function("sprintf").should == "function_sprintf"
    end

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

    it "should format integers" do
        result = @scope.function_sprintf(["%+05d", "23"])
        result.should(eql("+0023"))
    end

    it "should format floats" do
        result = @scope.function_sprintf(["%+.2f", "2.7182818284590451"])
        result.should(eql("+2.72"))
    end

    it "should format large floats" do
        result = @scope.function_sprintf(["%+.2e", "27182818284590451"])
        result.should(eql("+2.72e+16"))
    end

    it "should perform more complex formatting" do
        result = @scope.function_sprintf(
            [ "<%.8s:%#5o %#8X (%-8s)>",
                "overlongstring", "23", "48879", "foo" ])
        result.should(eql("<overlong:  027   0XBEEF (foo     )>"))
    end

end