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-rwxr-xr-xspec/functions/pick_spec.rb34
1 files changed, 34 insertions, 0 deletions
diff --git a/spec/functions/pick_spec.rb b/spec/functions/pick_spec.rb
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+++ b/spec/functions/pick_spec.rb
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+#!/usr/bin/env ruby -S rspec
+require 'spec_helper'
+
+describe "the pick function" do
+ let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
+
+ it "should exist" do
+ expect(Puppet::Parser::Functions.function("pick")).to eq("function_pick")
+ end
+
+ it 'should return the correct value' do
+ expect(scope.function_pick(['first', 'second'])).to eq('first')
+ end
+
+ it 'should return the correct value if the first value is empty' do
+ expect(scope.function_pick(['', 'second'])).to eq('second')
+ end
+
+ it 'should remove empty string values' do
+ expect(scope.function_pick(['', 'first'])).to eq('first')
+ end
+
+ it 'should remove :undef values' do
+ expect(scope.function_pick([:undef, 'first'])).to eq('first')
+ end
+
+ it 'should remove :undefined values' do
+ expect(scope.function_pick([:undefined, 'first'])).to eq('first')
+ end
+
+ it 'should error if no values are passed' do
+ expect { scope.function_pick([]) }.to( raise_error(Puppet::ParseError, "pick(): must receive at least one non empty value"))
+ end
+end