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Contents
#! /usr/bin/env ruby -S rspec
require 'spec_helper'
describe "the delete_values function" do
let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
it "should exist" do
expect(Puppet::Parser::Functions.function("delete_values")).to eq("function_delete_values")
end
it "should raise a ParseError if there are fewer than 2 arguments" do
expect { scope.function_delete_values([]) }.to( raise_error(Puppet::ParseError))
end
it "should raise a ParseError if there are greater than 2 arguments" do
expect { scope.function_delete_values([[], 'foo', 'bar']) }.to( raise_error(Puppet::ParseError))
end
it "should raise a TypeError if the argument is not a hash" do
expect { scope.function_delete_values([1,'bar']) }.to( raise_error(TypeError))
expect { scope.function_delete_values(['foo','bar']) }.to( raise_error(TypeError))
expect { scope.function_delete_values([[],'bar']) }.to( 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'])
expect(result).to(eq({ 'a'=>'A', 'B'=>'C' }))
end
it "should not change origin hash passed as argument" do
origin_hash = { 'a' => 1, 'b' => 2, 'c' => 3 }
result = scope.function_delete_values([origin_hash, 2])
expect(origin_hash).to(eq({ 'a' => 1, 'b' => 2, 'c' => 3 }))
end
end
Version data entries
6 entries across 6 versions & 1 rubygems