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-rw-r--r--README.markdown16
-rw-r--r--lib/puppet/parser/functions/bool2str.rb26
-rwxr-xr-xspec/functions/bool2str_spec.rb6
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