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#! /usr/bin/env ruby -S rspec
require 'spec_helper'
describe "the delete_values function" do
let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
it "should exist" do
Puppet::Parser::Functions.function("delete_values").should == "function_delete_values"
end
it "should raise a ParseError if there are fewer than 2 arguments" do
lambda { scope.function_delete_values([]) }.should( raise_error(Puppet::ParseError))
end
it "should raise a ParseError if there are greater than 2 arguments" do
lambda { scope.function_delete_values([[], 'foo', 'bar']) }.should( raise_error(Puppet::ParseError))
end
it "should raise a TypeError if the argument is not a hash" do
lambda { scope.function_delete_values([1,'bar']) }.should( raise_error(TypeError))
lambda { scope.function_delete_values(['foo','bar']) }.should( raise_error(TypeError))
lambda { scope.function_delete_values([[],'bar']) }.should( raise_error(TypeError))
end
it "should delete all instances of a value from a hash" do
result = scope.function_delete_values([{ 'a'=>'A', 'b'=>'B', 'B'=>'C', 'd'=>'B' },'B'])
result.should(eq({ 'a'=>'A', 'B'=>'C' }))
end
end
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