diff options
Diffstat (limited to 'spec/functions/fqdn_rand_string_spec.rb')
-rw-r--r-- | spec/functions/fqdn_rand_string_spec.rb | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/spec/functions/fqdn_rand_string_spec.rb b/spec/functions/fqdn_rand_string_spec.rb new file mode 100644 index 0000000..e407084 --- /dev/null +++ b/spec/functions/fqdn_rand_string_spec.rb @@ -0,0 +1,65 @@ +require 'spec_helper' + +describe 'fqdn_rand_string' do + let(:default_charset) { %r{\A[a-zA-Z0-9]{100}\z} } + it { is_expected.not_to eq(nil) } + it { is_expected.to run.with_params().and_raise_error(ArgumentError, /wrong number of arguments/i) } + it { is_expected.to run.with_params(0).and_raise_error(ArgumentError, /first argument must be a positive integer/) } + it { is_expected.to run.with_params(1.5).and_raise_error(ArgumentError, /first argument must be a positive integer/) } + it { is_expected.to run.with_params(-10).and_raise_error(ArgumentError, /first argument must be a positive integer/) } + it { is_expected.to run.with_params("-10").and_raise_error(ArgumentError, /first argument must be a positive integer/) } + it { is_expected.to run.with_params("string").and_raise_error(ArgumentError, /first argument must be a positive integer/) } + it { is_expected.to run.with_params([]).and_raise_error(ArgumentError, /first argument must be a positive integer/) } + it { is_expected.to run.with_params({}).and_raise_error(ArgumentError, /first argument must be a positive integer/) } + it { is_expected.to run.with_params(1, 1).and_raise_error(ArgumentError, /second argument must be undef or a string/) } + it { is_expected.to run.with_params(1, []).and_raise_error(ArgumentError, /second argument must be undef or a string/) } + it { is_expected.to run.with_params(1, {}).and_raise_error(ArgumentError, /second argument must be undef or a string/) } + it { is_expected.to run.with_params(100).and_return(default_charset) } + it { is_expected.to run.with_params("100").and_return(default_charset) } + it { is_expected.to run.with_params(100, nil).and_return(default_charset) } + it { is_expected.to run.with_params(100, '').and_return(default_charset) } + it { is_expected.to run.with_params(100, 'a').and_return(/\Aa{100}\z/) } + it { is_expected.to run.with_params(100, 'ab').and_return(/\A[ab]{100}\z/) } + + it "provides the same 'random' value on subsequent calls for the same host" do + expect(fqdn_rand_string(10)).to eql(fqdn_rand_string(10)) + end + + it "considers the same host and same extra arguments to have the same random sequence" do + first_random = fqdn_rand_string(10, :extra_identifier => [1, "same", "host"]) + second_random = fqdn_rand_string(10, :extra_identifier => [1, "same", "host"]) + + expect(first_random).to eql(second_random) + end + + it "allows extra arguments to control the random value on a single host" do + first_random = fqdn_rand_string(10, :extra_identifier => [1, "different", "host"]) + second_different_random = fqdn_rand_string(10, :extra_identifier => [2, "different", "host"]) + + expect(first_random).not_to eql(second_different_random) + end + + it "should return different strings for different hosts" do + val1 = fqdn_rand_string(10, :host => "first.host.com") + val2 = fqdn_rand_string(10, :host => "second.host.com") + + expect(val1).not_to eql(val2) + end + + def fqdn_rand_string(max, args = {}) + host = args[:host] || '127.0.0.1' + charset = args[:charset] + extra = args[:extra_identifier] || [] + + # workaround not being able to use let(:facts) because some tests need + # multiple different hostnames in one context + scope.stubs(:lookupvar).with("::fqdn", {}).returns(host) + + function_args = [max] + if args.has_key?(:charset) or !extra.empty? + function_args << charset + end + function_args += extra + scope.function_fqdn_rand_string(function_args) + end +end |