diff options
author | Ken Barber <ken@bob.sh> | 2012-02-22 10:46:37 -0800 |
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committer | Ken Barber <ken@bob.sh> | 2012-02-22 10:46:37 -0800 |
commit | c0ac470e764841b0de88dbabade342dc2c1b193e (patch) | |
tree | 93719e9a215cb951852d7699fe274890fb648e17 /lib/puppet/parser/functions | |
parent | 966a4bf9067bffcfa73c664ba419894d783afdba (diff) | |
parent | 8713943d37aed672098fe8c2b62bf8c64b98792e (diff) |
Merge pull request #37 from fiddyspence/ticket/master/12776-validate_slength
(#12776) Added validate_slength function and rspec test
Diffstat (limited to 'lib/puppet/parser/functions')
-rw-r--r-- | lib/puppet/parser/functions/validate_slength.rb | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/lib/puppet/parser/functions/validate_slength.rb b/lib/puppet/parser/functions/validate_slength.rb new file mode 100644 index 0000000..fdcc0a2 --- /dev/null +++ b/lib/puppet/parser/functions/validate_slength.rb @@ -0,0 +1,52 @@ +module Puppet::Parser::Functions + + newfunction(:validate_slength, :doc => <<-'ENDHEREDOC') do |args| + Validate that the first argument is a string (or an array of strings), and + less/equal to than the length of the second argument. It fails if the first + argument is not a string or array of strings, and if arg 2 is not convertable + to a number. + + The following values will pass: + + validate_slength("discombobulate",17) + validate_slength(["discombobulate","moo"],17) + + The following valueis will not: + + validate_slength("discombobulate",1) + validate_slength(["discombobulate","thermometer"],5) + + ENDHEREDOC + + raise Puppet::ParseError, ("validate_slength(): Wrong number of arguments (#{args.length}; must be = 2)") unless args.length == 2 + + unless (args[0].is_a?(String) or args[0].is_a?(Array)) + raise Puppet::ParseError, ("validate_slength(): please pass a string, or an array of strings - what you passed didn't work for me at all - #{args[0].class}") + end + + begin + max_length = args[1].to_i + rescue NoMethodError => e + raise Puppet::ParseError, ("validate_slength(): Couldn't convert whatever you passed as the length parameter to an integer - sorry: " + e.message ) + end + + raise Puppet::ParseError, ("validate_slength(): please pass a positive number as max_length") unless max_length > 0 + + case args[0] + when String + raise Puppet::ParseError, ("validate_slength(): #{args[0].inspect} is #{args[0].length} characters. It should have been less than or equal to #{max_length} characters") unless args[0].length <= max_length + when Array + args[0].each do |arg| + if arg.is_a?(String) + unless ( arg.is_a?(String) and arg.length <= max_length ) + raise Puppet::ParseError, ("validate_slength(): #{arg.inspect} is #{arg.length} characters. It should have been less than or equal to #{max_length} characters") + end + else + raise Puppet::ParseError, ("validate_slength(): #{arg.inspect} is not a string, it's a #{arg.class}") + end + end + else + raise Puppet::ParseError, ("validate_slength(): please pass a string, or an array of strings - what you passed didn't work for me at all - #{args[0].class}") + end + end +end |