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#!/usr/bin/env ruby
require File.dirname(__FILE__) + '/../../spec_helper'
describe Puppet::Parser::Compile, " when compiling" do
before do
@node = stub 'node', :name => 'mynode'
@parser = stub 'parser', :version => "1.0"
@compile = Puppet::Parser::Compile.new(@node, @parser)
end
def compile_methods
[:set_node_parameters, :evaluate_main, :evaluate_ast_node, :evaluate_node_classes, :evaluate_generators, :fail_on_unevaluated,
:finish, :store, :extract]
end
# Stub all of the main compile methods except the ones we're specifically interested in.
def compile_stub(*except)
(compile_methods - except).each { |m| @compile.stubs(m) }
end
it "should set node parameters as variables in the top scope" do
params = {"a" => "b", "c" => "d"}
@node.stubs(:parameters).returns(params)
compile_stub(:set_node_parameters)
@compile.compile
@compile.topscope.lookupvar("a").should == "b"
@compile.topscope.lookupvar("c").should == "d"
end
it "should evaluate any existing classes named in the node" do
classes = %w{one two three four}
main = stub 'main'
one = stub 'one', :classname => "one"
three = stub 'three', :classname => "three"
@node.stubs(:name).returns("whatever")
@node.stubs(:classes).returns(classes)
@compile.expects(:evaluate_classes).with(classes, @compile.topscope)
@compile.send :evaluate_node_classes
end
it "should enable ast_nodes if the parser has any nodes" do
@parser.expects(:nodes).returns(:one => :yay)
@compile.ast_nodes?.should be_true
end
it "should disable ast_nodes if the parser has no nodes" do
@parser.expects(:nodes).returns({})
@compile.ast_nodes?.should be_false
end
end
describe Puppet::Parser::Compile, " when evaluating classes" do
before do
@node = stub 'node', :name => 'mynode'
@parser = stub 'parser', :version => "1.0"
@scope = stub 'scope', :source => mock("source")
@compile = Puppet::Parser::Compile.new(@node, @parser)
end
it "should fail if there's no source listed for the scope" do
scope = stub 'scope', :source => nil
proc { @compile.evaluate_classes(%w{one two}, scope) }.should raise_error(Puppet::DevError)
end
it "should tag the configuration with the name of each not-found class" do
@compile.configuration.expects(:tag).with("notfound")
@scope.expects(:findclass).with("notfound").returns(nil)
@compile.evaluate_classes(%w{notfound}, @scope)
end
end
describe Puppet::Parser::Compile, " when evaluating found classes" do
before do
@node = stub 'node', :name => 'mynode'
@parser = stub 'parser', :version => "1.0"
@scope = stub 'scope', :source => mock("source")
@compile = Puppet::Parser::Compile.new(@node, @parser)
@class = stub 'class', :classname => "my::class"
@scope.stubs(:findclass).with("myclass").returns(@class)
@resource = mock 'resource'
end
it "should create a resource for each found class" do
@compile.configuration.stubs(:tag)
@compile.stubs :store_resource
Puppet::Parser::Resource.expects(:new).with(:scope => @scope, :source => @scope.source, :title => "my::class", :type => "class").returns(@resource)
@compile.evaluate_classes(%w{myclass}, @scope)
end
it "should store each created resource in the compile" do
@compile.configuration.stubs(:tag)
@compile.expects(:store_resource).with(@scope, @resource)
Puppet::Parser::Resource.stubs(:new).returns(@resource)
@compile.evaluate_classes(%w{myclass}, @scope)
end
it "should tag the configuration with the fully-qualified name of each found class" do
@compile.configuration.expects(:tag).with("my::class")
@compile.stubs(:store_resource)
Puppet::Parser::Resource.stubs(:new).returns(@resource)
@compile.evaluate_classes(%w{myclass}, @scope)
end
it "should not evaluate the resources created for found classes unless asked" do
@compile.configuration.stubs(:tag)
@compile.stubs(:store_resource)
@resource.expects(:evaluate).never
Puppet::Parser::Resource.stubs(:new).returns(@resource)
@compile.evaluate_classes(%w{myclass}, @scope)
end
it "should immediately evaluate the resources created for found classes when asked" do
@compile.configuration.stubs(:tag)
@compile.stubs(:store_resource)
@resource.expects(:evaluate)
Puppet::Parser::Resource.stubs(:new).returns(@resource)
@compile.evaluate_classes(%w{myclass}, @scope, false)
end
it "should return the list of found classes" do
@compile.configuration.stubs(:tag)
@compile.stubs(:store_resource)
@scope.stubs(:findclass).with("notfound").returns(nil)
Puppet::Parser::Resource.stubs(:new).returns(@resource)
@compile.evaluate_classes(%w{myclass notfound}, @scope).should == %w{myclass}
end
end
describe Puppet::Parser::Compile, " when evaluating AST nodes with no AST nodes present" do
before do
@node = stub 'node', :name => "foo"
@parser = stub 'parser', :version => "1.0", :nodes => {}
@compile = Puppet::Parser::Compile.new(@node, @parser)
end
it "should do nothing" do
@compile.expects(:ast_nodes?).returns(false)
@compile.parser.expects(:nodes).never
Puppet::Parser::Resource.expects(:new).never
@compile.send(:evaluate_ast_node)
end
end
describe Puppet::Parser::Compile, " when evaluating AST nodes with AST nodes present" do
before do
@node = stub 'node', :name => "foo"
@parser = stub 'parser', :version => "1.0", :nodes => {}
@compile = Puppet::Parser::Compile.new(@node, @parser)
@nodes = mock 'node_hash'
@compile.stubs(:ast_nodes?).returns(true)
@compile.parser.stubs(:nodes).returns(@nodes)
# Set some names for our test
@node.stubs(:names).returns(%w{a b c})
@nodes.stubs(:[]).with("a").returns(nil)
@nodes.stubs(:[]).with("b").returns(nil)
@nodes.stubs(:[]).with("c").returns(nil)
# It should check this last, of course.
@nodes.stubs(:[]).with("default").returns(nil)
end
it "should fail if the named node cannot be found" do
proc { @compile.send(:evaluate_ast_node) }.should raise_error(Puppet::ParseError)
end
it "should create a resource for the first node class matching the node name" do
node_class = stub 'node', :classname => "c"
@nodes.stubs(:[]).with("c").returns(node_class)
node_resource = stub 'node resource', :ref => "Node[c]", :evaluate => nil
Puppet::Parser::Resource.expects(:new).with { |args| args[:title] == "c" and args[:type] == "node" }.returns(node_resource)
@compile.send(:evaluate_ast_node)
end
it "should match the default node if no matching node can be found" do
node_class = stub 'node', :classname => "default"
@nodes.stubs(:[]).with("default").returns(node_class)
node_resource = stub 'node resource', :ref => "Node[default]", :evaluate => nil
Puppet::Parser::Resource.expects(:new).with { |args| args[:title] == "default" and args[:type] == "node" }.returns(node_resource)
@compile.send(:evaluate_ast_node)
end
it "should tag the configuration with the found node name" do
node_class = stub 'node', :classname => "c"
@nodes.stubs(:[]).with("c").returns(node_class)
node_resource = stub 'node resource', :ref => "Node[c]", :evaluate => nil
Puppet::Parser::Resource.stubs(:new).returns(node_resource)
@compile.configuration.expects(:tag).with("c")
@compile.send(:evaluate_ast_node)
end
it "should evaluate the node resource immediately rather than using lazy evaluation" do
node_class = stub 'node', :classname => "c"
@nodes.stubs(:[]).with("c").returns(node_class)
node_resource = stub 'node resource', :ref => "Node[c]"
Puppet::Parser::Resource.stubs(:new).returns(node_resource)
node_resource.expects(:evaluate)
@compile.send(:evaluate_ast_node)
end
it "should set the node's scope as the top scope" do
node_class = stub 'node', :classname => "c"
@nodes.stubs(:[]).with("c").returns(node_class)
node_resource = stub 'node resource', :ref => "Node[c]"
Puppet::Parser::Resource.stubs(:new).returns(node_resource)
# The #evaluate method normally does this.
@compile.class_set(node_class.classname, :my_node_scope)
node_resource.stubs(:evaluate)
@compile.send(:evaluate_ast_node)
@compile.topscope.should == :my_node_scope
end
end
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