1 files changed, 40 insertions, 0 deletions
diff --git a/puppet/modules/stdlib/spec/functions/join_keys_to_values_spec.rb b/puppet/modules/stdlib/spec/functions/join_keys_to_values_spec.rb
new file mode 100755
index 00000000..4a9ae87a
--- /dev/null
+++ b/puppet/modules/stdlib/spec/functions/join_keys_to_values_spec.rb
@@ -0,0 +1,40 @@
+#! /usr/bin/env ruby -S rspec
+require 'spec_helper'
+
+describe "the join_keys_to_values function" do
+  let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
+
+  it "should exist" do
+    expect(Puppet::Parser::Functions.function("join_keys_to_values")).to eq("function_join_keys_to_values")
+  end
+
+  it "should raise a ParseError if there are fewer than two arguments" do
+    expect { scope.function_join_keys_to_values([{}]) }.to raise_error Puppet::ParseError
+  end
+
+  it "should raise a ParseError if there are greater than two arguments" do
+    expect { scope.function_join_keys_to_values([{}, 'foo', 'bar']) }.to raise_error Puppet::ParseError
+  end
+
+  it "should raise a TypeError if the first argument is an array" do
+    expect { scope.function_join_keys_to_values([[1,2], ',']) }.to raise_error TypeError
+  end
+
+  it "should raise a TypeError if the second argument is an array" do
+    expect { scope.function_join_keys_to_values([{}, [1,2]]) }.to raise_error TypeError
+  end
+
+  it "should raise a TypeError if the second argument is a number" do
+    expect { scope.function_join_keys_to_values([{}, 1]) }.to raise_error TypeError
+  end
+
+  it "should return an empty array given an empty hash" do
+    result = scope.function_join_keys_to_values([{}, ":"])
+    expect(result).to eq([])
+  end
+
+  it "should join hash's keys to its values" do
+    result = scope.function_join_keys_to_values([{'a'=>1,2=>'foo',:b=>nil}, ":"])
+    expect(result).to match_array(['a:1','2:foo','b:'])
+  end
+end