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#!/usr/bin/env ruby
require File.dirname(__FILE__) + '/../../spec_helper'
require 'puppet/indirector/yaml'
describe Puppet::Indirector::Yaml, " when choosing file location" do
before :each do
@indirection = stub 'indirection', :name => :my_yaml, :register_terminus_type => nil
Puppet::Indirector::Indirection.stubs(:instance).with(:my_yaml).returns(@indirection)
@store_class = Class.new(Puppet::Indirector::Yaml) do
def self.to_s
"MyYaml::MyType"
end
end
@store = @store_class.new
@subject = Object.new
@subject.singleton_class.send(:attr_accessor, :name)
@subject.name = :me
@dir = "/what/ever"
Puppet.settings.stubs(:value).returns("fakesettingdata")
Puppet.settings.stubs(:value).with(:clientyamldir).returns(@dir)
Puppet.run_mode.stubs(:master?).returns false
@request = stub 'request', :key => :me, :instance => @subject
end
describe Puppet::Indirector::Yaml, " when choosing file location" do
it "should use the server_datadir if the run_mode is master" do
Puppet.run_mode.expects(:master?).returns true
Puppet.settings.expects(:value).with(:yamldir).returns "/server/yaml/dir"
@store.path(:me).should =~ %r{^/server/yaml/dir}
end
it "should use the client yamldir if the run_mode is not master" do
Puppet.run_mode.expects(:master?).returns false
Puppet.settings.expects(:value).with(:clientyamldir).returns "/client/yaml/dir"
@store.path(:me).should =~ %r{^/client/yaml/dir}
end
it "should store all files in a single file root set in the Puppet defaults" do
@store.path(:me).should =~ %r{^#{@dir}}
end
it "should use the terminus name for choosing the subdirectory" do
@store.path(:me).should =~ %r{^#{@dir}/my_yaml}
end
it "should use the object's name to determine the file name" do
@store.path(:me).should =~ %r{me.yaml$}
end
end
describe Puppet::Indirector::Yaml, " when storing objects as YAML" do
it "should only store objects that respond to :name" do
@request.stubs(:instance).returns Object.new
proc { @store.save(@request) }.should raise_error(ArgumentError)
end
it "should convert Ruby objects to YAML and write them to disk using a write lock" do
yaml = @subject.to_yaml
file = mock 'file'
path = @store.send(:path, @subject.name)
FileTest.expects(:exist?).with(File.dirname(path)).returns(true)
@store.expects(:writelock).with(path, 0660).yields(file)
file.expects(:print).with(yaml)
@store.save(@request)
end
it "should create the indirection subdirectory if it does not exist" do
yaml = @subject.to_yaml
file = mock 'file'
path = @store.send(:path, @subject.name)
dir = File.dirname(path)
FileTest.expects(:exist?).with(dir).returns(false)
Dir.expects(:mkdir).with(dir)
@store.expects(:writelock).yields(file)
file.expects(:print).with(yaml)
@store.save(@request)
end
end
describe Puppet::Indirector::Yaml, " when retrieving YAML" do
it "should read YAML in from disk using a read lock and convert it to Ruby objects" do
path = @store.send(:path, @subject.name)
yaml = @subject.to_yaml
FileTest.expects(:exist?).with(path).returns(true)
fh = mock 'filehandle'
@store.expects(:readlock).with(path).yields fh
fh.expects(:read).returns yaml
@store.find(@request).instance_variable_get("@name").should == :me
end
it "should fail coherently when the stored YAML is invalid" do
path = @store.send(:path, @subject.name)
FileTest.expects(:exist?).with(path).returns(true)
# Something that will fail in yaml
yaml = "--- !ruby/object:Hash"
fh = mock 'filehandle'
@store.expects(:readlock).yields fh
fh.expects(:read).returns yaml
proc { @store.find(@request) }.should raise_error(Puppet::Error)
end
end
describe Puppet::Indirector::Yaml, " when searching" do
it "should return an array of fact instances with one instance for each file when globbing *" do
@request = stub 'request', :key => "*", :instance => @subject
@one = mock 'one'
@two = mock 'two'
@store.expects(:base).returns "/my/yaml/dir"
Dir.expects(:glob).with(File.join("/my/yaml/dir", @store.class.indirection_name.to_s, @request.key)).returns(%w{one.yaml two.yaml})
YAML.expects(:load_file).with("one.yaml").returns @one;
YAML.expects(:load_file).with("two.yaml").returns @two;
@store.search(@request).should == [@one, @two]
end
it "should return an array containing a single instance of fact when globbing 'one*'" do
@request = stub 'request', :key => "one*", :instance => @subject
@one = mock 'one'
@store.expects(:base).returns "/my/yaml/dir"
Dir.expects(:glob).with(File.join("/my/yaml/dir", @store.class.indirection_name.to_s, @request.key)).returns(%w{one.yaml})
YAML.expects(:load_file).with("one.yaml").returns @one;
@store.search(@request).should == [@one]
end
it "should return an empty array when the glob doesn't match anything" do
@request = stub 'request', :key => "f*ilglobcanfail*", :instance => @subject
@store.expects(:base).returns "/my/yaml/dir"
Dir.expects(:glob).with(File.join("/my/yaml/dir", @store.class.indirection_name.to_s, @request.key)).returns([])
@store.search(@request).should == []
end
end
end
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