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#!/usr/bin/env ruby
require File.dirname(__FILE__) + '/../../spec_helper'
describe Puppet::Parser::Interpreter, " when initializing" do
it "should default to neither code nor file" do
interp = Puppet::Parser::Interpreter.new
interp.code.should be_nil
interp.file.should be_nil
end
it "should set the code to parse" do
interp = Puppet::Parser::Interpreter.new :Code => :code
interp.code.should equal(:code)
end
it "should set the file to parse" do
interp = Puppet::Parser::Interpreter.new :Manifest => :file
interp.file.should equal(:file)
end
it "should set code and ignore manifest when both are present" do
interp = Puppet::Parser::Interpreter.new :Code => :code, :Manifest => :file
interp.code.should equal(:code)
interp.file.should be_nil
end
it "should default to usenodes" do
interp = Puppet::Parser::Interpreter.new
interp.usenodes?.should be_true
end
it "should allow disabling of usenodes" do
interp = Puppet::Parser::Interpreter.new :UseNodes => false
interp.usenodes?.should be_false
end
end
describe Puppet::Parser::Interpreter, " when creating parser instances" do
before do
@interp = Puppet::Parser::Interpreter.new
@parser = mock('parser')
end
it "should create a parser with code passed in at initialization time" do
@interp.code = :some_code
@parser.expects(:string=).with(:some_code)
@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 a file passed in at initialization time" do
@interp.file = :a_file
@parser.expects(:file=).with(:a_file)
@parser.expects(:parse)
Puppet::Parser::Parser.expects(:new).with(:environment => :myenv).returns(@parser)
@interp.send(:create_parser, :myenv).should equal(@parser)
end
it "should create a parser with the main manifest when passed neither code nor file" do
@parser.expects(:parse)
@parser.expects(:file=).with(Puppet[:manifest])
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)
@interp.send(:create_parser, :myenv).should be_nil
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"
file = mock 'file'
file.stubs(:changed?).returns(true)
file.stubs(:file).returns("/whatever")
Puppet.config.stubs(:read_file).with(file).returns(text)
Puppet.config.parse(file)
parser1 = mock 'parser1'
Puppet::Parser::Parser.expects(:new).with(:environment => :env1).returns(parser1)
parser1.expects(:file=).with("/t/env1.pp")
@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")
@interp.send(:create_parser, :env2)
end
end
describe Puppet::Parser::Interpreter, " when managing parser instances" do
before do
@interp = Puppet::Parser::Interpreter.new
@parser = mock('parser')
end
it "it should an exception when nothing is there and nil is returned" do
@interp.expects(:create_parser).with(:myenv).returns(nil)
lambda { @interp.send(:parser, :myenv) }.should raise_error(Puppet::Error)
end
it "should create and return a new parser and 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 create a new parser when reparse is true" do
oldparser = mock('oldparser')
newparser = mock('newparser')
oldparser.expects(:reparse?).returns(true)
oldparser.expects(:clear)
@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 keep the old parser if create_parser doesn't return anything." do
# Get the first parser in the hash.
@interp.expects(:create_parser).with(:myenv).returns(@parser)
@interp.send(:parser, :myenv).should equal(@parser)
# Have it indicate something has changed
@parser.expects(:reparse?).returns(true)
# But fail to create a new parser
@interp.expects(:create_parser).with(:myenv).returns(nil)
# And make sure we still get the old valid parser
@interp.send(:parser, :myenv).should equal(@parser)
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
end
describe Puppet::Parser::Interpreter, " when compiling configurations" do
before do
@interp = Puppet::Parser::Interpreter.new
end
it "should create a configuration with the node, parser, and whether to use ast nodes" do
node = mock('node')
node.expects(:environment).returns(:myenv)
compile = mock 'compile'
compile.expects(:compile).returns(:config)
parser = mock 'parser'
@interp.expects(:parser).with(:myenv).returns(parser)
@interp.expects(:usenodes?).returns(true)
Puppet::Parser::Compile.expects(:new).with(node, parser, :ast_nodes => true).returns(compile)
@interp.compile(node)
# Now try it when usenodes is true
@interp = Puppet::Parser::Interpreter.new :UseNodes => false
node.expects(:environment).returns(:myenv)
compile.expects(:compile).returns(:config)
@interp.expects(:parser).with(:myenv).returns(parser)
@interp.expects(:usenodes?).returns(false)
Puppet::Parser::Compile.expects(:new).with(node, parser, :ast_nodes => false).returns(compile)
@interp.compile(node).should equal(:config)
end
end
describe Puppet::Parser::Interpreter, " when returning configuration version" do
before do
@interp = Puppet::Parser::Interpreter.new
end
it "should ask the appropriate parser for the configuration 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
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