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#
# Author:: Adam Jacob (<adam@opscode.com>)
# Copyright:: Copyright (c) 2008 Opscode, Inc.
# License:: Apache License, Version 2.0
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
require 'spec_helper'
describe Chef::FileCache do
before do
@file_cache_path = Dir.mktmpdir
Chef::Config[:file_cache_path] = @file_cache_path
@io = StringIO.new
end
after do
FileUtils.rm_rf(Chef::Config[:file_cache_path])
end
describe "when the relative path to the cache file doesn't exist" do
it "creates intermediate directories as needed" do
Chef::FileCache.store("whiz/bang", "I found a poop")
File.should exist(File.join(@file_cache_path, 'whiz'))
end
it "creates the cached file at the correct relative path" do
File.should_receive(:open).with(File.join(@file_cache_path, 'whiz', 'bang'), "w",416).and_yield(@io)
Chef::FileCache.store("whiz/bang", "borkborkbork")
end
end
describe "when storing a file" do
before do
File.stub!(:open).and_yield(@io)
end
it "should print the contents to the file" do
Chef::FileCache.store("whiz/bang", "borkborkbork")
@io.string.should == "borkborkbork"
end
end
describe "when loading cached files" do
it "finds and reads the cached file" do
FileUtils.mkdir_p(File.join(@file_cache_path, 'whiz'))
File.open(File.join(@file_cache_path, 'whiz', 'bang'), 'w') { |f| f.print("borkborkbork") }
Chef::FileCache.load('whiz/bang').should == 'borkborkbork'
end
it "should raise a Chef::Exceptions::FileNotFound if the file doesn't exist" do
lambda { Chef::FileCache.load('whiz/bang') }.should raise_error(Chef::Exceptions::FileNotFound)
end
end
describe "when deleting cached files" do
before(:each) do
FileUtils.mkdir_p(File.join(@file_cache_path, 'whiz'))
File.open(File.join(@file_cache_path, 'whiz', 'bang'), 'w') { |f| f.print("borkborkbork") }
end
it "unlinks the file" do
Chef::FileCache.delete("whiz/bang")
File.should_not exist(File.join(@file_cache_path, 'whiz', 'bang'))
end
end
describe "when listing files in the cache" do
before(:each) do
FileUtils.mkdir_p(File.join(@file_cache_path, 'whiz'))
FileUtils.touch(File.join(@file_cache_path, 'whiz', 'bang'))
FileUtils.mkdir_p(File.join(@file_cache_path, 'snappy'))
FileUtils.touch(File.join(@file_cache_path, 'snappy', 'patter'))
end
it "should return the relative paths" do
Chef::FileCache.list.sort.should == %w{snappy/patter whiz/bang}
end
it "searches for cached files by globbing" do
Chef::FileCache.find('snappy/**/*').should == %w{snappy/patter}
end
end
describe "when checking for the existence of a file" do
before do
FileUtils.mkdir_p(File.join(@file_cache_path, 'whiz'))
end
it "has a key if the corresponding cache file exists" do
FileUtils.touch(File.join(@file_cache_path, 'whiz', 'bang'))
Chef::FileCache.should have_key("whiz/bang")
end
it "doesn't have a key if the corresponding cache file doesn't exist" do
Chef::FileCache.should_not have_key("whiz/bang")
end
end
end
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