1 #! /usr/bin/env ruby -S rspec
4 describe "the delete_values function" do
5 let(:scope) { PuppetlabsSpec::PuppetInternals.scope }
8 expect(Puppet::Parser::Functions.function("delete_values")).to eq("function_delete_values")
11 it "should raise a ParseError if there are fewer than 2 arguments" do
12 expect { scope.function_delete_values([]) }.to( raise_error(Puppet::ParseError))
15 it "should raise a ParseError if there are greater than 2 arguments" do
16 expect { scope.function_delete_values([[], 'foo', 'bar']) }.to( raise_error(Puppet::ParseError))
19 it "should raise a TypeError if the argument is not a hash" do
20 expect { scope.function_delete_values([1,'bar']) }.to( raise_error(TypeError))
21 expect { scope.function_delete_values(['foo','bar']) }.to( raise_error(TypeError))
22 expect { scope.function_delete_values([[],'bar']) }.to( raise_error(TypeError))
25 it "should delete all instances of a value from a hash" do
26 result = scope.function_delete_values([{ 'a'=>'A', 'b'=>'B', 'B'=>'C', 'd'=>'B' },'B'])
27 expect(result).to(eq({ 'a'=>'A', 'B'=>'C' }))
30 it "should not change origin hash passed as argument" do
31 origin_hash = { 'a' => 1, 'b' => 2, 'c' => 3 }
32 result = scope.function_delete_values([origin_hash, 2])
33 expect(origin_hash).to(eq({ 'a' => 1, 'b' => 2, 'c' => 3 }))