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-rw-r--r--spec/unit/puppet/parser/functions/pick_spec.rb34
1 files changed, 34 insertions, 0 deletions
diff --git a/spec/unit/puppet/parser/functions/pick_spec.rb b/spec/unit/puppet/parser/functions/pick_spec.rb
new file mode 100644
index 0000000..761db6b
--- /dev/null
+++ b/spec/unit/puppet/parser/functions/pick_spec.rb
@@ -0,0 +1,34 @@
+#!/usr/bin/env ruby -S rspec
+require 'spec_helper'
+
+describe "the pick function" do
+ let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
+
+ it "should exist" do
+ Puppet::Parser::Functions.function("pick").should == "function_pick"
+ end
+
+ it 'should return the correct value' do
+ scope.function_pick(['first', 'second']).should == 'first'
+ end
+
+ it 'should return the correct value if the first value is empty' do
+ scope.function_pick(['', 'second']).should == 'second'
+ end
+
+ it 'should remove empty string values' do
+ scope.function_pick(['', 'first']).should == 'first'
+ end
+
+ it 'should remove :undef values' do
+ scope.function_pick([:undef, 'first']).should == 'first'
+ end
+
+ it 'should remove :undefined values' do
+ scope.function_pick([:undefined, 'first']).should == 'first'
+ end
+
+ it 'should error if no values are passed' do
+ expect { scope.function_pick([]) }.to raise_error(Puppet::Error, /Must provide non empty value./)
+ end
+end