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#
# Author:: Adam Jacob (<adam@chef.io>)
# Copyright:: Copyright 2008-2016, Chef Software 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")
expect(File).to exist(File.join(@file_cache_path, "whiz"))
end
it "creates the cached file at the correct relative path" do
expect(File).to 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
allow(File).to receive(:open).and_yield(@io)
end
it "should print the contents to the file" do
Chef::FileCache.store("whiz/bang", "borkborkbork")
expect(@io.string).to eq("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") }
expect(Chef::FileCache.load("whiz/bang")).to eq("borkborkbork")
end
it "should raise a Chef::Exceptions::FileNotFound if the file doesn't exist" do
expect { Chef::FileCache.load("whiz/bang") }.to 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")
expect(File).not_to 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
expect(Chef::FileCache.list.sort).to eq(%w{snappy/patter whiz/bang})
end
it "searches for cached files by globbing" do
expect(Chef::FileCache.find("snappy/**/*")).to eq(%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"))
expect(Chef::FileCache).to have_key("whiz/bang")
end
it "doesn't have a key if the corresponding cache file doesn't exist" do
expect(Chef::FileCache).not_to have_key("whiz/bang")
end
end
end
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