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-rw-r--r--spec/unit/puppet/parser/functions/values_at_spec.rb45
1 files changed, 45 insertions, 0 deletions
diff --git a/spec/unit/puppet/parser/functions/values_at_spec.rb b/spec/unit/puppet/parser/functions/values_at_spec.rb
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--- /dev/null
+++ b/spec/unit/puppet/parser/functions/values_at_spec.rb
@@ -0,0 +1,45 @@
+#!/usr/bin/env rspec
+require 'spec_helper'
+
+describe "the values_at function" do
+ before :all do
+ Puppet::Parser::Functions.autoloader.loadall
+ end
+
+ before :each do
+ @scope = Puppet::Parser::Scope.new
+ end
+
+ it "should exist" do
+ Puppet::Parser::Functions.function("values_at").should == "function_values_at"
+ end
+
+ it "should raise a ParseError if there is less than 1 arguments" do
+ lambda { @scope.function_values_at([]) }.should( raise_error(Puppet::ParseError))
+ end
+
+ it "should raise a ParseError if you try to use a range where stop is greater then start" do
+ lambda { @scope.function_values_at([['a','b'],["3-1"]]) }.should( raise_error(Puppet::ParseError))
+ end
+
+ it "should return a value at from an array" do
+ result = @scope.function_values_at([['a','b','c'],"1"])
+ result.should(eq(['b']))
+ end
+
+ it "should return a value at from an array when passed a range" do
+ result = @scope.function_values_at([['a','b','c'],"0-1"])
+ result.should(eq(['a','b']))
+ end
+
+ it "should return chosen values from an array when passed number of indexes" do
+ result = @scope.function_values_at([['a','b','c'],["0","2"]])
+ result.should(eq(['a','c']))
+ end
+
+ it "should return chosen values from an array when passed ranges and multiple indexes" do
+ result = @scope.function_values_at([['a','b','c','d','e','f','g'],["0","2","4-5"]])
+ result.should(eq(['a','c','e','f']))
+ end
+
+end