1 files changed, 38 insertions, 0 deletions
diff --git a/puppet/modules/stdlib/spec/functions/values_at_spec.rb b/puppet/modules/stdlib/spec/functions/values_at_spec.rb
new file mode 100755
index 00000000..86e3c31c
--- /dev/null
+++ b/puppet/modules/stdlib/spec/functions/values_at_spec.rb
@@ -0,0 +1,38 @@
+#! /usr/bin/env ruby -S rspec
+require 'spec_helper'
+
+describe "the values_at function" do
+  let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
+
+  it "should exist" do
+    expect(Puppet::Parser::Functions.function("values_at")).to eq("function_values_at")
+  end
+
+  it "should raise a ParseError if there is less than 1 arguments" do
+    expect { scope.function_values_at([]) }.to( raise_error(Puppet::ParseError))
+  end
+
+  it "should raise a ParseError if you try to use a range where stop is greater then start" do
+    expect { scope.function_values_at([['a','b'],["3-1"]]) }.to( raise_error(Puppet::ParseError))
+  end
+
+  it "should return a value at from an array" do
+    result = scope.function_values_at([['a','b','c'],"1"])
+    expect(result).to(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"])
+    expect(result).to(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"]])
+    expect(result).to(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"]])
+    expect(result).to(eq(['a','c','e','f']))
+  end
+end