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#!/usr/bin/env ruby
require File.dirname(__FILE__) + '/../../spec_helper'
describe Puppet::Parser::Interpreter do
before do
@interp = Puppet::Parser::Interpreter.new
@parser = mock 'parser'
end
describe "when creating parser instances" do
it "should create a parser with code if there is code defined in the :code setting" do
Puppet.settings.stubs(:value).with(:code, :myenv).returns("mycode")
@parser.expects(:string=).with("mycode")
@parser.expects(:parse)
Puppet::Parser::Parser.expects(:new).with(:environment => :myenv).returns(@parser)
@interp.send(:create_parser, :myenv).object_id.should equal(@parser.object_id)
end
it "should create a parser with the main manifest when the code setting is an empty string" do
Puppet.settings.stubs(:value).with(:code, :myenv).returns("")
Puppet.settings.stubs(:value).with(:manifest, :myenv).returns("/my/file")
@parser.expects(:parse)
@parser.expects(:file=).with("/my/file")
Puppet::Parser::Parser.expects(:new).with(:environment => :myenv).returns(@parser)
@interp.send(:create_parser, :myenv).should equal(@parser)
end
it "should return nothing when new parsers fail" do
Puppet::Parser::Parser.expects(:new).with(:environment => :myenv).raises(ArgumentError)
proc { @interp.send(:create_parser, :myenv) }.should raise_error(Puppet::Error)
end
it "should create parsers with environment-appropriate manifests" do
# Set our per-environment values. We can't just stub :value, because
# it's called by too much of the rest of the code.
text = "[env1]\nmanifest = /t/env1.pp\n[env2]\nmanifest = /t/env2.pp"
FileTest.stubs(:exist?).returns true
Puppet.settings.stubs(:read_file).returns(text)
Puppet.settings.parse
parser1 = mock 'parser1'
Puppet::Parser::Parser.expects(:new).with(:environment => :env1).returns(parser1)
parser1.expects(:file=).with("/t/env1.pp")
parser1.expects(:parse)
@interp.send(:create_parser, :env1)
parser2 = mock 'parser2'
Puppet::Parser::Parser.expects(:new).with(:environment => :env2).returns(parser2)
parser2.expects(:file=).with("/t/env2.pp")
parser2.expects(:parse)
@interp.send(:create_parser, :env2)
end
end
describe "when managing parser instances" do
it "should use the same parser when the parser does not need reparsing" do
@interp.expects(:create_parser).with(:myenv).returns(@parser)
@interp.send(:parser, :myenv).should equal(@parser)
@parser.expects(:reparse?).returns(false)
@interp.send(:parser, :myenv).should equal(@parser)
end
it "should fail intelligently if a parser cannot be created and one does not already exist" do
@interp.expects(:create_parser).with(:myenv).raises(ArgumentError)
proc { @interp.send(:parser, :myenv) }.should raise_error(ArgumentError)
end
it "should use different parsers for different environments" do
# get one for the first env
@interp.expects(:create_parser).with(:first_env).returns(@parser)
@interp.send(:parser, :first_env).should equal(@parser)
other_parser = mock('otherparser')
@interp.expects(:create_parser).with(:second_env).returns(other_parser)
@interp.send(:parser, :second_env).should equal(other_parser)
end
describe "when files need reparsing" do
it "should create a new parser" do
oldparser = mock('oldparser')
newparser = mock('newparser')
oldparser.expects(:reparse?).returns(true)
@interp.expects(:create_parser).with(:myenv).returns(oldparser)
@interp.send(:parser, :myenv).should equal(oldparser)
@interp.expects(:create_parser).with(:myenv).returns(newparser)
@interp.send(:parser, :myenv).should equal(newparser)
end
it "should raise an exception if a new parser cannot be created" do
# Get the first parser in the hash.
@interp.expects(:create_parser).with(:myenv).returns(@parser)
@interp.send(:parser, :myenv).should equal(@parser)
@parser.expects(:reparse?).returns(true)
@interp.expects(:create_parser).with(:myenv).raises(Puppet::Error, "Could not parse")
lambda { @interp.parser(:myenv) }.should raise_error(Puppet::Error)
end
end
end
describe "when compiling a catalog" do
before do
@node = stub 'node', :environment => :myenv
@compiler = mock 'compile'
end
it "should create a compile with the node and parser" do
catalog = stub 'catalog', :to_resource => nil
@compiler.expects(:compile).returns(catalog)
@interp.expects(:parser).with(:myenv).returns(@parser)
Puppet::Parser::Compiler.expects(:new).with(@node, @parser).returns(@compiler)
@interp.compile(@node)
end
it "should fail intelligently when no parser can be found" do
@node.stubs(:name).returns("whatever")
@interp.expects(:parser).with(:myenv).returns(nil)
proc { @interp.compile(@node) }.should raise_error(Puppet::ParseError)
end
it "should return the results of the compile, converted to a plain resource catalog" do
catalog = mock 'catalog'
@compiler.expects(:compile).returns(catalog)
@interp.stubs(:parser).returns(@parser)
Puppet::Parser::Compiler.stubs(:new).returns(@compiler)
catalog.expects(:to_resource).returns "my_resource_catalog"
@interp.compile(@node).should == "my_resource_catalog"
end
end
describe "when returning catalog version" do
it "should ask the appropriate parser for the catalog version" do
node = mock 'node'
node.expects(:environment).returns(:myenv)
parser = mock 'parser'
parser.expects(:version).returns(:myvers)
@interp.expects(:parser).with(:myenv).returns(parser)
@interp.configuration_version(node).should equal(:myvers)
end
end
end
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