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#! /usr/bin/env ruby -S rspec
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require 'spec_helper'
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describe "the count function" do
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let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
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it "should exist" do
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expect(Puppet::Parser::Functions.function("count")).to eq("function_count")
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end
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it "should raise a ArgumentError if there is more than 2 arguments" do
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expect { scope.function_count(['foo', 'bar', 'baz']) }.to( raise_error(ArgumentError))
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end
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it "should be able to count arrays" do
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expect(scope.function_count([["1","2","3"]])).to(eq(3))
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end
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it "should be able to count matching elements in arrays" do
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expect(scope.function_count([["1", "2", "2"], "2"])).to(eq(2))
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end
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it "should not count nil or empty strings" do
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expect(scope.function_count([["foo","bar",nil,""]])).to(eq(2))
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end
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it 'does not count an undefined hash key or an out of bound array index (which are both :undef)' do
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expect(scope.function_count([["foo",:undef,:undef]])).to eq(1)
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end
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end
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