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-rw-r--r--spec/unit/puppet/parser/functions/keys_spec.rb21
1 files changed, 21 insertions, 0 deletions
diff --git a/spec/unit/puppet/parser/functions/keys_spec.rb b/spec/unit/puppet/parser/functions/keys_spec.rb
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+++ b/spec/unit/puppet/parser/functions/keys_spec.rb
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+#! /usr/bin/env ruby -S rspec
+require 'spec_helper'
+
+describe "the keys function" do
+ let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
+
+ it "should exist" do
+ Puppet::Parser::Functions.function("keys").should == "function_keys"
+ end
+
+ it "should raise a ParseError if there is less than 1 arguments" do
+ lambda { scope.function_keys([]) }.should( raise_error(Puppet::ParseError))
+ end
+
+ it "should return an array of keys when given a hash" do
+ result = scope.function_keys([{'a'=>1, 'b'=>2}])
+ # =~ performs 'array with same elements' (set) matching
+ # For more info see RSpec::Matchers::MatchArray
+ result.should =~ ['a','b']
+ end
+end