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author | Dan Bode <dan@puppetlabs.com> | 2011-07-29 15:10:13 -0700 |
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committer | Dan Bode <dan@puppetlabs.com> | 2011-07-29 15:11:10 -0700 |
commit | b1beaec2da36aa2312f959b1521137f5df96608f (patch) | |
tree | cc4301ed7c790dca7e94393f83304647386b723a /spec/unit/puppet | |
parent | 9560b6336cc983b65aaff909f4fb2e983dfd7012 (diff) | |
download | puppet-stdlib-b1beaec2da36aa2312f959b1521137f5df96608f.tar.gz puppet-stdlib-b1beaec2da36aa2312f959b1521137f5df96608f.tar.bz2 |
(#8708) Add has_key function
It is difficult to use existance of keys in a hash
as a boolean condition in Puppet (see #8705)
This function provides a working solution until
the underlying issue in Puppet can be resolved.
Reviewed-by: Jeff McCune
Diffstat (limited to 'spec/unit/puppet')
-rw-r--r-- | spec/unit/puppet/parser/functions/has_key_spec.rb | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/spec/unit/puppet/parser/functions/has_key_spec.rb b/spec/unit/puppet/parser/functions/has_key_spec.rb new file mode 100644 index 0000000..d1dcd15 --- /dev/null +++ b/spec/unit/puppet/parser/functions/has_key_spec.rb @@ -0,0 +1,46 @@ +require 'puppet' +require 'mocha' +describe Puppet::Parser::Functions.function(:has_key) do + + # Pulled from Dan's create_resources function + # TODO - this should be moved to spec_helper since the + # logic is likely to be applied to multiple rspec files. + 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 has_key from puppet' do + it "should not compile when no arguments are passed" do + Puppet[:code] = 'has_key()' + 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] = "has_key('foo')" + expect { compiler.compile }.should raise_error(Puppet::ParseError, /wrong number of arguments/) + end + it "should require the first value to be a Hash" do + Puppet[:code] = "has_key('foo', 'bar')" + expect { compiler.compile }.should raise_error(Puppet::ParseError, /expects the first argument to be a hash/) + end + end + describe 'when calling the function has_key from a scope instance' do + it 'should detect existing keys' do + scope.function_has_key([{'one' => 1}, 'one']).should be_true + end + it 'should detect existing keys' do + scope.function_has_key([{'one' => 1}, 'two']).should be_false + end + end + +end |