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author | Jeff McCune <jeff@puppetlabs.com> | 2011-06-21 17:01:33 -0700 |
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committer | Jeff McCune <jeff@puppetlabs.com> | 2011-06-21 17:01:33 -0700 |
commit | 4c00cfc610cc132080dc5baa1ac8f231c4b76368 (patch) | |
tree | 99f743f7094f3acb59948d49fecbf2d837e538ae /lib/puppet/parser | |
parent | de2434255e41e043017b6a4448ab1e936f427f2e (diff) | |
download | puppet-stdlib-4c00cfc610cc132080dc5baa1ac8f231c4b76368.tar.gz puppet-stdlib-4c00cfc610cc132080dc5baa1ac8f231c4b76368.tar.bz2 |
(#8010) Add validate_hash function
This function validates all passed variables are hashes. This is
similar to the validate_bool function and is copied from it.
Diffstat (limited to 'lib/puppet/parser')
-rw-r--r-- | lib/puppet/parser/functions/validate_hash.rb | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/lib/puppet/parser/functions/validate_hash.rb b/lib/puppet/parser/functions/validate_hash.rb new file mode 100644 index 0000000..1443318 --- /dev/null +++ b/lib/puppet/parser/functions/validate_hash.rb @@ -0,0 +1,37 @@ +module Puppet::Parser::Functions + + newfunction(:validate_hash, :doc => <<-'ENDHEREDOC') do |args| + Validate all passed values are a Hash data structure + value does not pass the check. + + Example: + + These values validate + + $my_hash = { 'one' => 'two' } + validate_hash($my_hash) + + These values do NOT validate + + validate_hash(true) + validate_hash('some_string') + $undefined = undef + validate_hash($undefined) + + * Jeff McCune <jeff@puppetlabs.com> + + ENDHEREDOC + + unless args.length > 0 then + raise Puppet::ParseError, ("validate_hash(): wrong number of arguments (#{args.length}; must be > 0)") + end + + args.each do |arg| + unless arg.is_a?(Hash) + raise Puppet::ParseError, ("#{arg.inspect} is not a Hash. It looks to be a #{arg.class}") + end + end + + end + +end |