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require 'spec_helper'
require 'puppet/pops'
require 'puppet/loaders'
describe "the 'defined' function" do
after(:all) { Puppet::Pops::Loaders.clear }
# This loads the function once and makes it easy to call it
# It does not matter that it is not bound to the env used later since the function
# looks up everything via the scope that is given to it.
# The individual tests needs to have a fresh env/catalog set up
#
let(:loaders) { Puppet::Pops::Loaders.new(Puppet::Node::Environment.create(:testing, [])) }
let(:func) { loaders.puppet_system_loader.load(:function, 'defined') }
before :each do
# A fresh environment is needed for each test since tests creates types and resources
environment = Puppet::Node::Environment.create(:testing, [])
@node = Puppet::Node.new('yaynode', :environment => environment)
@known_resource_types = environment.known_resource_types
@compiler = Puppet::Parser::Compiler.new(@node)
@scope = Puppet::Parser::Scope.new(@compiler)
end
def newclass(name)
@known_resource_types.add Puppet::Resource::Type.new(:hostclass, name)
end
def newdefine(name)
@known_resource_types.add Puppet::Resource::Type.new(:definition, name)
end
def newresource(type, title)
resource = Puppet::Resource.new(type, title)
@compiler.add_resource(@scope, resource)
resource
end
#--- CLASS
#
context 'can determine if a class' do
context 'is defined' do
it 'by using the class name in string form' do
newclass 'yayness'
expect(func.call(@scope, 'yayness')).to be_truthy
end
it 'by using a Type[Class[name]] type reference' do
name = 'yayness'
newclass name
class_type = Puppet::Pops::Types::TypeFactory.host_class(name)
type_type = Puppet::Pops::Types::TypeFactory.type_type(class_type)
expect(func.call(@scope, type_type)).to be_truthy
end
end
context 'is not defined' do
it 'by using the class name in string form' do
expect(func.call(@scope, 'yayness')).to be_falsey
end
it 'even if there is a define, by using a Type[Class[name]] type reference' do
name = 'yayness'
newdefine name
class_type = Puppet::Pops::Types::TypeFactory.host_class(name)
type_type = Puppet::Pops::Types::TypeFactory.type_type(class_type)
expect(func.call(@scope, type_type)).to be_falsey
end
end
context 'is defined and realized' do
it 'by using a Class[name] reference' do
name = 'cowabunga'
newclass name
newresource(:class, name)
class_type = Puppet::Pops::Types::TypeFactory.host_class(name)
expect(func.call(@scope, class_type)).to be_truthy
end
end
context 'is not realized' do
it '(although defined) by using a Class[name] reference' do
name = 'cowabunga'
newclass name
class_type = Puppet::Pops::Types::TypeFactory.host_class(name)
expect(func.call(@scope, class_type)).to be_falsey
end
it '(and not defined) by using a Class[name] reference' do
name = 'cowabunga'
class_type = Puppet::Pops::Types::TypeFactory.host_class(name)
expect(func.call(@scope, class_type)).to be_falsey
end
end
end
#---RESOURCE TYPE
#
context 'can determine if a resource type' do
context 'is defined' do
it 'by using the type name (of a built in type) in string form' do
expect(func.call(@scope, 'file')).to be_truthy
end
it 'by using the type name (of a resource type) in string form' do
newdefine 'yayness'
expect(func.call(@scope, 'yayness')).to be_truthy
end
it 'by using a File type reference (built in type)' do
resource_type = Puppet::Pops::Types::TypeFactory.resource('file')
type_type = Puppet::Pops::Types::TypeFactory.type_type(resource_type)
expect(func.call(@scope, type_type)).to be_truthy
end
it 'by using a Type[File] type reference' do
resource_type = Puppet::Pops::Types::TypeFactory.resource('file')
type_type = Puppet::Pops::Types::TypeFactory.type_type(resource_type)
expect(func.call(@scope, type_type)).to be_truthy
end
it 'by using a Resource[T] type reference (defined type)' do
name = 'yayness'
newdefine name
resource_type = Puppet::Pops::Types::TypeFactory.resource(name)
expect(func.call(@scope, resource_type)).to be_truthy
end
it 'by using a Type[Resource[T]] type reference (defined type)' do
name = 'yayness'
newdefine name
resource_type = Puppet::Pops::Types::TypeFactory.resource(name)
type_type = Puppet::Pops::Types::TypeFactory.type_type(resource_type)
expect(func.call(@scope, type_type)).to be_truthy
end
end
context 'is not defined' do
it 'by using the resource name in string form' do
expect(func.call(@scope, 'notatype')).to be_falsey
end
it 'even if there is a class with the same name, by using a Type[Resource[T]] type reference' do
name = 'yayness'
newclass name
resource_type = Puppet::Pops::Types::TypeFactory.resource(name)
type_type = Puppet::Pops::Types::TypeFactory.type_type(resource_type)
expect(func.call(@scope, type_type)).to be_falsey
end
end
context 'is defined and instance realized' do
it 'by using a Resource[T, title] reference for a built in type' do
type_name = 'file'
title = '/tmp/myfile'
newdefine type_name
newresource(type_name, title)
class_type = Puppet::Pops::Types::TypeFactory.resource(type_name, title)
expect(func.call(@scope, class_type)).to be_truthy
end
it 'by using a Resource[T, title] reference for a defined type' do
type_name = 'meme'
title = 'cowabunga'
newdefine type_name
newresource(type_name, title)
class_type = Puppet::Pops::Types::TypeFactory.resource(type_name, title)
expect(func.call(@scope, class_type)).to be_truthy
end
end
context 'is not realized' do
it '(although defined) by using a Resource[T, title] reference or Type[Resource[T, title]] reference' do
type_name = 'meme'
title = 'cowabunga'
newdefine type_name
resource_type = Puppet::Pops::Types::TypeFactory.resource(type_name, title)
expect(func.call(@scope, resource_type)).to be_falsey
type_type = Puppet::Pops::Types::TypeFactory.type_type(resource_type)
expect(func.call(@scope, type_type)).to be_falsey
end
it '(and not defined) by using a Resource[T, title] reference or Type[Resource[T, title]] reference' do
type_name = 'meme'
title = 'cowabunga'
resource_type = Puppet::Pops::Types::TypeFactory.resource(type_name, title)
expect(func.call(@scope, resource_type)).to be_falsey
type_type = Puppet::Pops::Types::TypeFactory.type_type(resource_type)
expect(func.call(@scope, type_type)).to be_falsey
end
end
end
#---VARIABLES
#
context 'can determine if a variable' do
context 'is defined' do
it 'by giving the variable in string form' do
@scope['x'] = 'something'
expect(func.call(@scope, '$x')).to be_truthy
end
it 'by giving a :: prefixed variable in string form' do
@compiler.topscope['x'] = 'something'
expect(func.call(@scope, '$::x')).to be_truthy
end
it 'by giving a numeric variable in string form (when there is a match scope)' do
# with no match scope, there are no numeric variables defined
expect(func.call(@scope, '$0')).to be_falsey
expect(func.call(@scope, '$42')).to be_falsey
pattern = Regexp.new('.*')
@scope.new_match_scope(pattern.match('anything'))
# with a match scope, all numeric variables are set (the match defines if they have a value or not, but they are defined)
# even if their value is undef.
expect(func.call(@scope, '$0')).to be_truthy
expect(func.call(@scope, '$42')).to be_truthy
end
end
context 'is undefined' do
it 'by giving a :: prefixed or regular variable in string form' do
expect(func.call(@scope, '$x')).to be_falsey
expect(func.call(@scope, '$::x')).to be_falsey
end
end
end
context 'has any? semantics when given multiple arguments' do
it 'and one of the names is a defined user defined type' do
newdefine 'yayness'
expect(func.call(@scope, 'meh', 'yayness', 'booness')).to be_truthy
end
it 'and one of the names is a built type' do
expect(func.call(@scope, 'meh', 'file', 'booness')).to be_truthy
end
it 'and one of the names is a defined class' do
newclass 'yayness'
expect(func.call(@scope, 'meh', 'yayness', 'booness')).to be_truthy
end
it 'is true when at least one variable exists in scope' do
@scope['x'] = 'something'
expect(func.call(@scope, '$y', '$x', '$z')).to be_truthy
end
it 'is false when none of the names are defined' do
expect(func.call(@scope, 'meh', 'yayness', 'booness')).to be_falsey
end
end
it 'raises an argument error when asking if Resource type is defined' do
resource_type = Puppet::Pops::Types::TypeFactory.resource
expect { func.call(@scope, resource_type)}.to raise_error(ArgumentError, /reference to all.*type/)
end
it 'raises an argument error if you ask if Class is defined' do
class_type = Puppet::Pops::Types::TypeFactory.host_class
expect { func.call(@scope, class_type) }.to raise_error(ArgumentError, /reference to all.*class/)
end
it 'raises error if referencing undef' do
expect{func.call(@scope, nil)}.to raise_error(ArgumentError, /'defined' parameter 'vals' expects a value of type String, Type\[CatalogEntry\], or Type\[Type\], got Undef/)
end
it 'raises error if referencing a number' do
expect{func.call(@scope, 42)}.to raise_error(ArgumentError, /'defined' parameter 'vals' expects a value of type String, Type\[CatalogEntry\], or Type\[Type\], got Integer/)
end
it 'is false if referencing empty string' do
expect(func.call(@scope, '')).to be_falsey
end
it "is true if referencing 'main'" do
# mimic what compiler does with "main" in intial import
newclass ''
newresource :class, ''
expect(func.call(@scope, 'main')).to be_truthy
end
end
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