37 lines
1.4 KiB
Ruby
37 lines
1.4 KiB
Ruby
#! /usr/bin/env ruby -S rspec
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require 'spec_helper'
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describe "the delete_values 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("delete_values")).to eq("function_delete_values")
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end
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it "should raise a ParseError if there are fewer than 2 arguments" do
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expect { scope.function_delete_values([]) }.to( raise_error(Puppet::ParseError))
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end
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it "should raise a ParseError if there are greater than 2 arguments" do
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expect { scope.function_delete_values([[], 'foo', 'bar']) }.to( raise_error(Puppet::ParseError))
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end
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it "should raise a TypeError if the argument is not a hash" do
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expect { scope.function_delete_values([1,'bar']) }.to( raise_error(TypeError))
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expect { scope.function_delete_values(['foo','bar']) }.to( raise_error(TypeError))
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expect { scope.function_delete_values([[],'bar']) }.to( raise_error(TypeError))
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end
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it "should delete all instances of a value from a hash" do
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result = scope.function_delete_values([{ 'a'=>'A', 'b'=>'B', 'B'=>'C', 'd'=>'B' },'B'])
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expect(result).to(eq({ 'a'=>'A', 'B'=>'C' }))
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end
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it "should not change origin hash passed as argument" do
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origin_hash = { 'a' => 1, 'b' => 2, 'c' => 3 }
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result = scope.function_delete_values([origin_hash, 2])
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expect(origin_hash).to(eq({ 'a' => 1, 'b' => 2, 'c' => 3 }))
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end
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end
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