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#!/usr/bin/env rspec
require 'spec_helper'
describe Puppet::Parser::Parser do
module ParseMatcher
class ParseAs
def initialize(klass)
@parser = Puppet::Parser::Parser.new "development"
@class = klass
end
def result_instance
@result.code[0]
end
def matches?(string)
@string = string
@result = @parser.parse(string)
result_instance.instance_of?(@class)
end
def description
"parse as a #{@class}"
end
def failure_message
" expected #{@string} to parse as #{@class} but was #{result_instance.class}"
end
def negative_failure_message
" expected #{@string} not to parse as #{@class}"
end
end
def parse_as(klass)
ParseAs.new(klass)
end
class ParseWith
def initialize(block)
@parser = Puppet::Parser::Parser.new "development"
@block = block
end
def result_instance
@result.code[0]
end
def matches?(string)
@string = string
@result = @parser.parse(string)
@block.call(result_instance)
end
def description
"parse with the block evaluating to true"
end
def failure_message
" expected #{@string} to parse with a true result in the block"
end
def negative_failure_message
" expected #{@string} not to parse with a true result in the block"
end
end
def parse_with(&block)
ParseWith.new(block)
end
end
include ParseMatcher
before :each do
@resource_type_collection = Puppet::Resource::TypeCollection.new("env")
@parser = Puppet::Parser::Parser.new "development"
end
describe "when parsing comments before statement" do
it "should associate the documentation to the statement AST node" do
ast = @parser.parse("""
# comment
class test {}
""")
ast.code[0].should be_a(Puppet::Parser::AST::Hostclass)
ast.code[0].name.should == 'test'
ast.code[0].instantiate('')[0].doc.should == "comment\n"
end
end
describe "when parsing" do
it "should be able to parse normal left to right relationships" do
"Notify[foo] -> Notify[bar]".should parse_as(Puppet::Parser::AST::Relationship)
end
it "should be able to parse right to left relationships" do
"Notify[foo] <- Notify[bar]".should parse_as(Puppet::Parser::AST::Relationship)
end
it "should be able to parse normal left to right subscriptions" do
"Notify[foo] ~> Notify[bar]".should parse_as(Puppet::Parser::AST::Relationship)
end
it "should be able to parse right to left subscriptions" do
"Notify[foo] <~ Notify[bar]".should parse_as(Puppet::Parser::AST::Relationship)
end
it "should correctly set the arrow type of a relationship" do
"Notify[foo] <~ Notify[bar]".should parse_with { |rel| rel.arrow == "<~" }
end
it "should be able to parse deep hash access" do
%q{
$hash = { 'a' => { 'b' => { 'c' => 'it works' } } }
$out = $hash['a']['b']['c']
}.should parse_with { |v| v.value.is_a?(Puppet::Parser::AST::ASTHash) }
end
it "should fail if asked to parse '$foo::::bar'" do
expect { @parser.parse("$foo::::bar") }.should raise_error(Puppet::ParseError, /Syntax error at ':'/)
end
describe "function calls" do
it "should be able to pass an array to a function" do
"my_function([1,2,3])".should parse_with { |fun|
fun.is_a?(Puppet::Parser::AST::Function) &&
fun.arguments[0].evaluate(stub 'scope') == ['1','2','3']
}
end
it "should be able to pass a hash to a function" do
"my_function({foo => bar})".should parse_with { |fun|
fun.is_a?(Puppet::Parser::AST::Function) &&
fun.arguments[0].evaluate(stub 'scope') == {'foo' => 'bar'}
}
end
end
describe "collections" do
it "should find resources according to an expression" do
%q{
File <| mode == 0700 + 0050 + 0050 |>
}.should parse_with { |coll|
coll.is_a?(Puppet::Parser::AST::Collection) &&
coll.query.evaluate(stub 'scope').first == "param_values.value = '528' and param_names.name = 'mode'"
}
end
end
end
end
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