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author | Raphaël Pinson <raphael.pinson@camptocamp.com> | 2013-05-02 15:10:59 +0200 |
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committer | Raphaël Pinson <raphael.pinson@camptocamp.com> | 2013-05-02 15:17:35 +0200 |
commit | 2ba9e4721b6d96f0b9e66bbb2f8b09c9c413efe2 (patch) | |
tree | b5b1528e5b7f1c17c20d2aca2c569a641e44b689 | |
parent | 0aa7e942f4bdcd51d7af827618288c662e0cb8e4 (diff) |
Add a dirname function
-rw-r--r-- | README.markdown | 10 | ||||
-rw-r--r-- | lib/puppet/parser/functions/dirname.rb | 15 | ||||
-rwxr-xr-x | spec/unit/puppet/parser/functions/dirname_spec.rb | 24 |
3 files changed, 49 insertions, 0 deletions
diff --git a/README.markdown b/README.markdown index 640299f..84cd08e 100644 --- a/README.markdown +++ b/README.markdown @@ -195,6 +195,16 @@ Would return: ['a','c'] - *Type*: rvalue +dirname +------- +Returns the `dirname` of a path. + +*Examples:* + + dirname('/path/to/a/file.ext') + +Would return: '/path/to/a' + downcase -------- Converts the case of a string or all strings in an array to lower case. diff --git a/lib/puppet/parser/functions/dirname.rb b/lib/puppet/parser/functions/dirname.rb new file mode 100644 index 0000000..ea8cc1e --- /dev/null +++ b/lib/puppet/parser/functions/dirname.rb @@ -0,0 +1,15 @@ +module Puppet::Parser::Functions + newfunction(:dirname, :type => :rvalue, :doc => <<-EOS + Returns the dirname of a path. + EOS + ) do |arguments| + + raise(Puppet::ParseError, "dirname(): Wrong number of arguments " + + "given (#{arguments.size} for 1)") if arguments.size < 1 + + path = arguments[0] + return File.dirname(path) + end +end + +# vim: set ts=2 sw=2 et : diff --git a/spec/unit/puppet/parser/functions/dirname_spec.rb b/spec/unit/puppet/parser/functions/dirname_spec.rb new file mode 100755 index 0000000..fb3b4fe --- /dev/null +++ b/spec/unit/puppet/parser/functions/dirname_spec.rb @@ -0,0 +1,24 @@ +#! /usr/bin/env ruby -S rspec +require 'spec_helper' + +describe "the dirname function" do + let(:scope) { PuppetlabsSpec::PuppetInternals.scope } + + it "should exist" do + Puppet::Parser::Functions.function("dirname").should == "function_dirname" + end + + it "should raise a ParseError if there is less than 1 arguments" do + lambda { scope.function_dirname([]) }.should( raise_error(Puppet::ParseError)) + end + + it "should return dirname for an absolute path" do + result = scope.function_dirname(['/path/to/a/file.ext']) + result.should(eq('/path/to/a')) + end + + it "should return dirname for a relative path" do + result = scope.function_dirname(['path/to/a/file.ext']) + result.should(eq('path/to/a')) + end +end |