| require 'puppet' |
| require 'mocha' |
| describe Puppet::Parser::Functions.function(:merge) do |
| |
| # Pulled from Dan's create_resources function |
| # TODO - these let statements should be moved somewhere |
| # where they can be resued |
| let(:compiler) { |
| topscope = Puppet::Parser::Scope.new |
| # This is necessary so we don't try to use the compiler to discover our parent. |
| topscope.parent = nil |
| my_scope = Puppet::Parser::Scope.new |
| my_scope.compiler = Puppet::Parser::Compiler.new(Puppet::Node.new("floppy", :environment => 'production')) |
| my_scope.parent = topscope |
| compiler = my_scope.compiler |
| } |
| let(:scope) { |
| scope = Puppet::Parser::Scope.new |
| scope.stubs(:environment).returns(Puppet::Node::Environment.new('production')) |
| scope |
| } |
| |
| describe 'when calling merge from puppet' do |
| it "should not compile when no arguments are passed" do |
| Puppet[:code] = 'merge()' |
| expect { compiler.compile }.should raise_error(Puppet::ParseError, /wrong number of arguments/) |
| end |
| it "should not compile when 1 argument is passed" do |
| Puppet[:code] = "$my_hash={'one' => 1}\nmerge($my_hash)" |
| expect { compiler.compile }.should raise_error(Puppet::ParseError, /wrong number of arguments/) |
| end |
| end |
| describe 'when calling merge on the scope instance' do |
| it 'should require all parameters are hashes' do |
| expect { new_hash = scope.function_merge([{}, '2'])}.should raise_error(Puppet::ParseError, /unexpected argument type String/) |
| |
| end |
| it 'should be able to merge two hashes' do |
| new_hash = scope.function_merge([{'one' => '1', 'two' => '1'}, {'two' => '2', 'three' => '2'}]) |
| new_hash['one'].should == '1' |
| new_hash['two'].should == '2' |
| new_hash['three'].should == '2' |
| end |
| it 'should merge multiple hashes' do |
| hash = scope.function_merge([{'one' => 1}, {'one' => '2'}, {'one' => '3'}]) |
| hash['one'].should == '3' |
| end |
| it 'should accept empty hashes' do |
| scope.function_merge([{},{},{}]).should == {} |
| end |
| |
| end |
| |
| end |