diff options
| -rw-r--r-- | README.markdown | 16 | ||||
| -rw-r--r-- | lib/puppet/parser/functions/bool2str.rb | 26 | ||||
| -rwxr-xr-x | spec/functions/bool2str_spec.rb | 6 |
3 files changed, 44 insertions, 4 deletions
diff --git a/README.markdown b/README.markdown index d86d91f..f9c9425 100644 --- a/README.markdown +++ b/README.markdown @@ -170,6 +170,22 @@ Converts a boolean to a number. Converts values: * 'true', 't', '1', 'y', and 'yes' to 1. Requires a single boolean or string as an input. *Type*: rvalue. +#### `bool2str` + +Converts a boolean to a string using optionally supplied arguments. The optional +second and third arguments represent what true and false will be converted to +respectively. If only one argument is given, it will be converted from a boolean +to a string containing 'true' or 'false'. + +*Examples:* +~~~ +bool2str(true) => 'true' +bool2str(true, 'yes', 'no') => 'yes' +bool2str(false, 't', 'f') => 'f' +~~~ + +Requires a single boolean as input. *Type*: rvalue. + #### `capitalize` Capitalizes the first letter of a string or array of strings. Requires either a single string or an array as an input. *Type*: rvalue. diff --git a/lib/puppet/parser/functions/bool2str.rb b/lib/puppet/parser/functions/bool2str.rb index fcd3791..7e36474 100644 --- a/lib/puppet/parser/functions/bool2str.rb +++ b/lib/puppet/parser/functions/bool2str.rb @@ -4,15 +4,29 @@ module Puppet::Parser::Functions newfunction(:bool2str, :type => :rvalue, :doc => <<-EOS - Converts a boolean to a string. + Converts a boolean to a string using optionally supplied arguments. The + optional second and third arguments represent what true and false will be + converted to respectively. If only one argument is given, it will be + converted from a boolean to a string containing 'true' or 'false'. + + *Examples:* + + bool2str(true) => 'true' + bool2str(true, 'yes', 'no') => 'yes' + bool2str(false, 't', 'f') => 'f' + Requires a single boolean as an input. EOS ) do |arguments| - raise(Puppet::ParseError, "bool2str(): Wrong number of arguments " + - "given (#{arguments.size} for 1)") if arguments.size < 1 + unless arguments.size == 1 or arguments.size == 3 + raise(Puppet::ParseError, "bool2str(): Wrong number of arguments " + + "given (#{arguments.size} for 3)") + end value = arguments[0] + true_string = arguments[1] || 'true' + false_string = arguments[2] || 'false' klass = value.class # We can have either true or false, and nothing else @@ -20,7 +34,11 @@ module Puppet::Parser::Functions raise(Puppet::ParseError, 'bool2str(): Requires a boolean to work with') end - return value.to_s + unless [true_string, false_string].all?{|x| x.kind_of?(String)} + raise(Puppet::ParseError, "bool2str(): Requires strings to convert to" ) + end + + return value ? true_string : false_string end end diff --git a/spec/functions/bool2str_spec.rb b/spec/functions/bool2str_spec.rb index 8d35598..23a754b 100755 --- a/spec/functions/bool2str_spec.rb +++ b/spec/functions/bool2str_spec.rb @@ -6,6 +6,12 @@ describe 'bool2str' do [ 'true', 'false', nil, :undef, ''].each do |invalid| it { is_expected.to run.with_params(invalid).and_raise_error(Puppet::ParseError) } end + it { is_expected.to run.with_params(true, 'yes', 'no', 'maybe').and_raise_error(Puppet::ParseError) } + it { is_expected.to run.with_params(true, 'maybe').and_raise_error(Puppet::ParseError) } + it { is_expected.to run.with_params(true, 0, 1).and_raise_error(Puppet::ParseError) } it { is_expected.to run.with_params(true).and_return("true") } it { is_expected.to run.with_params(false).and_return("false") } + it { is_expected.to run.with_params(true, 'yes', 'no').and_return("yes") } + it { is_expected.to run.with_params(false, 'yes', 'no').and_return("no") } + end |