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#!/usr/bin/env ruby
require File.dirname(__FILE__) + '/../../spec_helper'
require 'puppet/indirector/file'
module FileTerminusTesting
def setup
Puppet::Indirector::Terminus.stubs(:register_terminus_class)
@model = mock 'model'
@indirection = stub 'indirection', :name => :mystuff, :register_terminus_type => nil, :model => @model
Puppet::Indirector::Indirection.stubs(:instance).returns(@indirection)
@file_class = Class.new(Puppet::Indirector::File) do
def self.to_s
"Testing::Mytype"
end
end
@searcher = @file_class.new
@path = "/my/file"
@dir = "/my"
end
end
describe Puppet::Indirector::File, " when finding files" do
include FileTerminusTesting
it "should provide a method to return file contents at a specified path" do
@searcher.should respond_to(:find)
end
it "should return file contents as an instance of the model" do
content = "my content"
file = mock 'file'
@model.expects(:new).with(content).returns(file)
File.expects(:exist?).with(@path).returns(true)
File.expects(:read).with(@path).returns(content)
@searcher.find(@path)
end
it "should create the model instance with the content as the only argument to initialization" do
content = "my content"
file = mock 'file'
@model.expects(:new).with(content).returns(file)
File.expects(:exist?).with(@path).returns(true)
File.expects(:read).with(@path).returns(content)
@searcher.find(@path).should equal(file)
end
it "should return nil if no file is found" do
File.expects(:exist?).with(@path).returns(false)
@searcher.find(@path).should be_nil
end
it "should fail intelligently if a found file cannot be read" do
File.expects(:exist?).with(@path).returns(true)
File.expects(:read).with(@path).raises(RuntimeError)
proc { @searcher.find(@path) }.should raise_error(Puppet::Error)
end
it "should use the path() method to calculate the path if it exists" do
@searcher.meta_def(:path) do |name|
name.upcase
end
File.expects(:exist?).with(@path.upcase).returns(false)
@searcher.find(@path)
end
end
describe Puppet::Indirector::File, " when saving files" do
include FileTerminusTesting
it "should provide a method to save file contents at a specified path" do
filehandle = mock 'file'
content = "my content"
File.expects(:directory?).with(@dir).returns(true)
File.expects(:open).with(@path, "w").yields(filehandle)
filehandle.expects(:print).with(content)
file = stub 'file', :content => content, :path => @path, :name => @path
@searcher.save(file)
end
it "should fail intelligently if the file's parent directory does not exist" do
File.expects(:directory?).with(@dir).returns(false)
file = stub 'file', :path => @path, :name => @path
proc { @searcher.save(file) }.should raise_error(Puppet::Error)
end
it "should fail intelligently if a file cannot be written" do
filehandle = mock 'file'
content = "my content"
File.expects(:directory?).with(@dir).returns(true)
File.expects(:open).with(@path, "w").yields(filehandle)
filehandle.expects(:print).with(content).raises(ArgumentError)
file = stub 'file', :content => content, :path => @path, :name => @path
proc { @searcher.save(file) }.should raise_error(Puppet::Error)
end
it "should use the path() method to calculate the path if it exists" do
@searcher.meta_def(:path) do |name|
name.upcase
end
file = stub 'file', :name => "/yay"
File.expects(:open).with("/YAY", "w")
@searcher.save(file)
end
end
describe Puppet::Indirector::File, " when removing files" do
include FileTerminusTesting
it "should provide a method to remove files at a specified path" do
file = stub 'file', :path => @path, :name => @path
File.expects(:exist?).with(@path).returns(true)
File.expects(:unlink).with(@path)
@searcher.destroy(file)
end
it "should throw an exception if the file is not found" do
file = stub 'file', :path => @path, :name => @path
File.expects(:exist?).with(@path).returns(false)
proc { @searcher.destroy(file) }.should raise_error(Puppet::Error)
end
it "should fail intelligently if the file cannot be removed" do
file = stub 'file', :path => @path, :name => @path
File.expects(:exist?).with(@path).returns(true)
File.expects(:unlink).with(@path).raises(ArgumentError)
proc { @searcher.destroy(file) }.should raise_error(Puppet::Error)
end
it "should use the path() method to calculate the path if it exists" do
@searcher.meta_def(:path) do |name|
name.upcase
end
file = stub 'file', :name => "/yay"
File.expects(:exist?).with("/YAY").returns(true)
File.expects(:unlink).with("/YAY")
@searcher.destroy(file)
end
end
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