3 describe 'fqdn_rand_string' do
4 let(:default_charset) { %r{\A[a-zA-Z0-9]{100}\z} }
6 it { is_expected.not_to eq(nil) }
7 it { is_expected.to run.with_params.and_raise_error(ArgumentError, %r{wrong number of arguments}i) }
8 it { is_expected.to run.with_params(0).and_raise_error(ArgumentError, %r{first argument must be a positive integer}) }
9 it { is_expected.to run.with_params(1.5).and_raise_error(ArgumentError, %r{first argument must be a positive integer}) }
10 it { is_expected.to run.with_params(-10).and_raise_error(ArgumentError, %r{first argument must be a positive integer}) }
11 it { is_expected.to run.with_params('-10').and_raise_error(ArgumentError, %r{first argument must be a positive integer}) }
12 it { is_expected.to run.with_params('string').and_raise_error(ArgumentError, %r{first argument must be a positive integer}) }
13 it { is_expected.to run.with_params([]).and_raise_error(ArgumentError, %r{first argument must be a positive integer}) }
14 it { is_expected.to run.with_params({}).and_raise_error(ArgumentError, %r{first argument must be a positive integer}) }
15 it { is_expected.to run.with_params(1, 1).and_raise_error(ArgumentError, %r{second argument must be undef or a string}) }
16 it { is_expected.to run.with_params(1, []).and_raise_error(ArgumentError, %r{second argument must be undef or a string}) }
17 it { is_expected.to run.with_params(1, {}).and_raise_error(ArgumentError, %r{second argument must be undef or a string}) }
18 it { is_expected.to run.with_params(100).and_return(default_charset) }
19 it { is_expected.to run.with_params('100').and_return(default_charset) }
20 it { is_expected.to run.with_params(100, nil).and_return(default_charset) }
21 it { is_expected.to run.with_params(100, '').and_return(default_charset) }
22 it { is_expected.to run.with_params(100, 'a').and_return(%r{\Aa{100}\z}) }
23 it { is_expected.to run.with_params(100, 'ab').and_return(%r{\A[ab]{100}\z}) }
24 it { is_expected.to run.with_params(100, 'ãβ').and_return(%r{\A[ãβ]{100}\z}) }
26 it "provides the same 'random' value on subsequent calls for the same host" do
27 expect(fqdn_rand_string(10)).to eql(fqdn_rand_string(10))
30 it 'considers the same host and same extra arguments to have the same random sequence' do
31 first_random = fqdn_rand_string(10, :extra_identifier => [1, 'same', 'host'])
32 second_random = fqdn_rand_string(10, :extra_identifier => [1, 'same', 'host'])
34 expect(first_random).to eql(second_random)
37 it 'allows extra arguments to control the random value on a single host' do
38 first_random = fqdn_rand_string(10, :extra_identifier => [1, 'different', 'host'])
39 second_different_random = fqdn_rand_string(10, :extra_identifier => [2, 'different', 'host'])
41 expect(first_random).not_to eql(second_different_random)
44 it 'returns different strings for different hosts' do
45 val1 = fqdn_rand_string(10, :host => 'first.host.com')
46 val2 = fqdn_rand_string(10, :host => 'second.host.com')
48 expect(val1).not_to eql(val2)
51 def fqdn_rand_string(max, args = {})
52 host = args[:host] || '127.0.0.1'
53 charset = args[:charset]
54 extra = args[:extra_identifier] || []
56 # workaround not being able to use let(:facts) because some tests need
57 # multiple different hostnames in one context
58 allow(scope).to receive(:lookupvar).with('::fqdn', {}).and_return(host)
61 if args.key?(:charset) || !extra.empty?
62 function_args << charset
64 function_args += extra
65 scope.function_fqdn_rand_string(function_args)