summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--README.markdown6
-rw-r--r--lib/puppet/parser/functions/is_bool.rb22
-rw-r--r--lib/puppet/parser/functions/validate_bool.rb2
-rw-r--r--spec/unit/puppet/parser/functions/is_bool_spec.rb44
4 files changed, 73 insertions, 1 deletions
diff --git a/README.markdown b/README.markdown
index 8cb8fea..f8ff99c 100644
--- a/README.markdown
+++ b/README.markdown
@@ -489,6 +489,12 @@ Returns true if the variable passed to this function is an array.
- *Type*: rvalue
+is_bool
+--------
+Returns true if the variable passed to this function is a boolean.
+
+- *Type*: rvalue
+
is_domain_name
--------------
Returns true if the string passed to this function is a syntactically correct domain name.
diff --git a/lib/puppet/parser/functions/is_bool.rb b/lib/puppet/parser/functions/is_bool.rb
new file mode 100644
index 0000000..8bbdbc8
--- /dev/null
+++ b/lib/puppet/parser/functions/is_bool.rb
@@ -0,0 +1,22 @@
+#
+# is_bool.rb
+#
+
+module Puppet::Parser::Functions
+ newfunction(:is_bool, :type => :rvalue, :doc => <<-EOS
+Returns true if the variable passed to this function is a boolean.
+ EOS
+ ) do |arguments|
+
+ raise(Puppet::ParseError, "is_bool(): Wrong number of arguments " +
+ "given (#{arguments.size} for 1)") if arguments.size != 1
+
+ type = arguments[0]
+
+ result = type.is_a?(TrueClass) || type.is_a?(FalseClass)
+
+ return result
+ end
+end
+
+# vim: set ts=2 sw=2 et :
diff --git a/lib/puppet/parser/functions/validate_bool.rb b/lib/puppet/parser/functions/validate_bool.rb
index 62c1d88..59a0805 100644
--- a/lib/puppet/parser/functions/validate_bool.rb
+++ b/lib/puppet/parser/functions/validate_bool.rb
@@ -24,7 +24,7 @@ module Puppet::Parser::Functions
end
args.each do |arg|
- unless (arg.is_a?(TrueClass) || arg.is_a?(FalseClass))
+ unless function_is_bool([arg])
raise Puppet::ParseError, ("#{arg.inspect} is not a boolean. It looks to be a #{arg.class}")
end
end
diff --git a/spec/unit/puppet/parser/functions/is_bool_spec.rb b/spec/unit/puppet/parser/functions/is_bool_spec.rb
new file mode 100644
index 0000000..c94e83a
--- /dev/null
+++ b/spec/unit/puppet/parser/functions/is_bool_spec.rb
@@ -0,0 +1,44 @@
+#! /usr/bin/env ruby -S rspec
+require 'spec_helper'
+
+describe "the is_bool function" do
+ let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
+
+ it "should exist" do
+ Puppet::Parser::Functions.function("is_bool").should == "function_is_bool"
+ end
+
+ it "should raise a ParseError if there is less than 1 arguments" do
+ lambda { scope.function_is_bool([]) }.should( raise_error(Puppet::ParseError))
+ end
+
+ it "should return true if passed a TrueClass" do
+ result = scope.function_is_bool([true])
+ result.should(eq(true))
+ end
+
+ it "should return true if passed a FalseClass" do
+ result = scope.function_is_bool([false])
+ result.should(eq(true))
+ end
+
+ it "should return false if passed the string 'true'" do
+ result = scope.function_is_bool(['true'])
+ result.should(eq(false))
+ end
+
+ it "should return false if passed the string 'false'" do
+ result = scope.function_is_bool(['false'])
+ result.should(eq(false))
+ end
+
+ it "should return false if passed an array" do
+ result = scope.function_is_bool([["a","b"]])
+ result.should(eq(false))
+ end
+
+ it "should return false if passed a hash" do
+ result = scope.function_is_bool([{"a" => "b"}])
+ result.should(eq(false))
+ end
+end