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#!/usr/bin/env ruby
Dir.chdir(File.dirname(__FILE__)) { (s = lambda { |f| File.exist?(f) ? require(f) : Dir.chdir("..") { s.call(f) } }).call("spec/spec_helper.rb") }
require 'puppet/util/autoload'
require 'fileutils'
class AutoloadIntegrator
@things = []
def self.newthing(name)
@things << name
end
def self.thing?(name)
@things.include? name
end
def self.clear
@things.clear
end
end
require 'puppet_spec/files'
describe Puppet::Util::Autoload do
include PuppetSpec::Files
def with_file(name, *path)
path = File.join(*path)
# Now create a file to load
File.open(path, "w") { |f|
f.puts "\nAutoloadIntegrator.newthing(:#{name.to_s})\n"
}
yield
File.delete(path)
end
def with_loader(name, path)
dir = tmpfile(name + path)
$LOAD_PATH << dir
Dir.mkdir(dir)
rbdir = File.join(dir, path.to_s)
Dir.mkdir(rbdir)
loader = Puppet::Util::Autoload.new(name, path)
yield rbdir, loader
Dir.rmdir(rbdir)
Dir.rmdir(dir)
$LOAD_PATH.pop
AutoloadIntegrator.clear
end
it "should make instances available by the loading class" do
loader = Puppet::Util::Autoload.new("foo", "bar")
Puppet::Util::Autoload["foo"].should == loader
end
it "should not fail when asked to load a missing file" do
Puppet::Util::Autoload.new("foo", "bar").load(:eh).should be_false
end
it "should load and return true when it successfully loads a file" do
with_loader("foo", "bar") { |dir,loader|
with_file(:mything, dir, "mything.rb") {
loader.load(:mything).should be_true
loader.should be_loaded(:mything)
AutoloadIntegrator.should be_thing(:mything)
}
}
end
it "should consider a file loaded when asked for the name without an extension" do
with_loader("foo", "bar") { |dir,loader|
with_file(:noext, dir, "noext.rb") {
loader.load(:noext)
loader.should be_loaded(:noext)
}
}
end
it "should consider a file loaded when asked for the name with an extension" do
with_loader("foo", "bar") { |dir,loader|
with_file(:noext, dir, "withext.rb") {
loader.load(:withext)
loader.should be_loaded("withext.rb")
}
}
end
it "should register the fact that the instance is loaded with the Autoload base class" do
with_loader("foo", "bar") { |dir,loader|
with_file(:baseload, dir, "baseload.rb") {
loader.load(:baseload)
Puppet::Util::Autoload.should be_loaded("bar/withext.rb")
}
}
end
it "should be able to load files directly from modules" do
modulepath = tmpfile("autoload_module_testing")
libdir = File.join(modulepath, "mymod", "lib", "foo")
FileUtils.mkdir_p(libdir)
file = File.join(libdir, "plugin.rb")
Puppet[:modulepath] = modulepath
with_loader("foo", "foo") do |dir, loader|
with_file(:plugin, file.split("/")) do
loader.load(:plugin)
loader.should be_loaded("plugin.rb")
end
end
end
end
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