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Contents
require 'spec_helper'
require 'puppet/pops'
require 'puppet/loaders'
describe 'the assert_type function' do
after(:all) { Puppet::Pops::Loaders.clear }
let(:loaders) { Puppet::Pops::Loaders.new(Puppet::Node::Environment.create(:testing, [])) }
let(:func) { loaders.puppet_system_loader.load(:function, 'assert_type') }
it 'asserts compliant type by returning the value' do
expect(func.call({}, type(String), 'hello world')).to eql('hello world')
end
it 'accepts type given as a String' do
expect(func.call({}, 'String', 'hello world')).to eql('hello world')
end
it 'asserts non compliant type by raising an error' do
expect do
func.call({}, type(Integer), 'hello world')
end.to raise_error(Puppet::ParseError, /does not match actual/)
end
it 'checks that first argument is a type' do
expect do
func.call({}, 10, 10)
end.to raise_error(ArgumentError, Regexp.new(Regexp.escape(
"function 'assert_type' called with mis-matched arguments
expected one of:
assert_type(Type type, Any value, Callable[Type, Type] block {0,1}) - arg count {2,3}
assert_type(String type_string, Any value, Callable[Type, Type] block {0,1}) - arg count {2,3}
actual:
assert_type(Integer, Integer) - arg count {2}")))
end
it 'allows the second arg to be undef/nil)' do
expect do
func.call({}, optional(String), nil)
end.to_not raise_error
end
it 'can be called with a callable that receives a specific type' do
expected, actual, actual2 = func.call({}, 'Optional[String]', 1) { |expected, actual| [expected, actual, actual] }
expect(expected.to_s).to eql('Optional[String]')
expect(actual.to_s).to eql('Integer[1, 1]')
expect(actual2.to_s).to eql('Integer[1, 1]')
end
def optional(type_ref)
Puppet::Pops::Types::TypeFactory.optional(type(type_ref))
end
def type(type_ref)
Puppet::Pops::Types::TypeFactory.type_of(type_ref)
end
end
Version data entries
24 entries across 24 versions & 1 rubygems