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|
# frozen_string_literal: true
module RSpec::Puppet
module ManifestMatchers
class Compile
def initialize
@failed_resource = ''
@check_deps = false
@cycles = []
@error_msg = ''
end
def with_all_deps
@check_deps = true
self
end
def and_raise_error(error)
@expected_error = error
self
end
def matches?(catalogue)
@catalogue = catalogue.call
if cycles_found?
false
elsif @check_deps == true && missing_dependencies?
false
else
@expected_error.nil?
end
rescue Puppet::Error => e
@error_msg = e.message
if @expected_error.nil?
false
else
method = @expected_error.is_a?(Regexp) ? :=~ : :==
e.message.send(method, @expected_error)
end
end
def description
case @expected_error
when nil
'compile into a catalogue without dependency cycles'
when Regexp
"fail to compile and raise an error matching #{@expected_error.inspect}"
else
"fail to compile and raise the error #{@expected_error.inspect}"
end
end
def failure_message
if @cycles.empty?
if @error_msg.empty?
case @expected_error
when nil
"expected that the catalogue would include #{@failed_resource}"
when Regexp
"expected that the catalogue would fail to compile and raise an error matching #{@expected_error.inspect}"
else
"expected that the catalogue would fail to compile and raise the error #{@expected_error.inspect}"
end
else
"error during compilation: #{@error_msg}"
end
else
"dependency cycles found: #{@cycles.join('; ')}"
end
end
def failure_message_when_negated
if @expected_error.nil?
'expected that the catalogue would not compile but it does'
else
'expected that the catalogue would compile but it does not'
end
end
def supports_block_expectations
true
end
def supports_value_expectations
true
end
private
def missing_dependencies?
retval = false
resource_vertices = @catalogue.vertices.select { |v| v.is_a? Puppet::Resource }
resource_vertices.each do |vertex|
vertex.each do |param, value|
next unless %i[require subscribe notify before].include? param
value = [value] unless value.is_a? Array
value.each do |val|
retval = true if val.is_a?(Puppet::Resource) && !resource_exists?(val, vertex)
end
end
end
retval
end
def resource_hash
@resource_hash ||= proc do
res_hash = {}
@catalogue.vertices.each do |vertex|
next unless vertex.is_a? Puppet::Resource
res_hash[vertex.ref] = 1
res_hash["#{vertex.type}[#{vertex[:alias]}]"] = 1 if vertex[:alias]
res_hash["#{vertex.type}[#{vertex.uniqueness_key.first}]"] = 1 if vertex.uniqueness_key != [vertex.title]
end
res_hash
end.call
end
def check_resource(res)
if resource_hash[res.ref]
true
elsif res[:alias] && resource_hash["#{res.type}[#{res[:alias]}]"]
true
else
false
end
end
def resource_exists?(res, vertex)
if check_resource(res)
true
else
@failed_resource = "#{res.ref} used at #{vertex.file}:#{vertex.line} in #{vertex.ref}"
false
end
end
def cycles_found?
cat = @catalogue.to_ral.relationship_graph
cat.write_graph(:resources)
if cat.respond_to? :find_cycles_in_graph
find_cycles(cat)
else
find_cycles_legacy(cat)
end
!@cycles.empty?
end
def find_cycles(catalogue)
cycles = catalogue.find_cycles_in_graph
return unless cycles.length.positive?
cycles.each do |cycle|
paths = catalogue.paths_in_cycle(cycle)
@cycles << (paths.map { |path| "(#{path.join(' => ')})" }.join("\n") + "\n")
end
end
def find_cycles_legacy(catalogue)
catalogue.topsort
rescue Puppet::Error => e
@cycles = [e.message.rpartition(';').first.partition(':').last]
end
end
end
end
|
