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#
# Author:: Thom May (<thom@chef.io>)
# Copyright:: Copyright 2012-2018, 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"
require "chef/chef_fs/file_system/repository/directory"
require "chef/chef_fs/file_system/base_fs_object"
require "chef/chef_fs/file_system/exceptions"
require "chef/chef_fs/file_system/nonexistent_fs_object"
CHILD_FILES = %w{ test1.json test2.json skip test3.json skip2 test4 }.freeze
class TestDirectory < Chef::ChefFS::FileSystem::Repository::Directory
def make_child_entry(name)
TestFile.new(name, self)
end
def can_have_child?(name, is_dir)
!is_dir && File.extname(name) == ".json"
end
def dir_ls
CHILD_FILES
end
end
class TestFile < Chef::ChefFS::FileSystem::BaseFSObject
def fs_entry_valid?
name.start_with? "test"
end
def name_valid?
true
end
end
describe Chef::ChefFS::FileSystem::Repository::Directory do
let(:root) do
Chef::ChefFS::FileSystem::BaseFSDir.new("", nil)
end
let(:tmp_dir) { Dir.mktmpdir }
let(:directory) do
described_class.new("test", root, tmp_dir)
end
let(:test_directory) do
TestDirectory.new("test", root, tmp_dir)
end
let(:file_double) do
double(TestFile, create: true, exists?: false)
end
context "#make_child_entry" do
it "raises if not implemented" do
expect { directory.send(:make_child_entry, "test") }.to raise_error("Not Implemented")
end
end
context "#create_child" do
it "creates a new TestFile" do
expect(TestFile).to receive(:new).with("test_child", test_directory).and_return(file_double)
allow(file_double).to receive(:file_path).and_return("#{test_directory}/test_child")
expect(file_double).to receive(:write).with("test")
test_directory.create_child("test_child", "test")
end
end
context "#child" do
it "returns a child if it's valid" do
expect(test_directory.child("test")).to be_an_instance_of(TestFile)
end
it "returns a non existent object otherwise" do
file_double = instance_double(TestFile, name_valid?: false)
expect(TestFile).to receive(:new).with("test_child", test_directory).and_return(file_double)
expect(test_directory.child("test_child")).to be_an_instance_of(Chef::ChefFS::FileSystem::NonexistentFSObject)
end
end
context "#children" do
before do
CHILD_FILES.sort.each do |child|
expect(TestFile).to receive(:new).with(child, test_directory).and_call_original
end
end
it "creates a child for each name" do
test_directory.children
end
it "filters invalid names" do
expect(test_directory.children.map(&:name)).to eql %w{ test1.json test2.json test3.json }
end
end
context "#empty?" do
it "is true if there are no children" do
expect(test_directory).to receive(:children).and_return([])
expect(test_directory.empty?).to be_truthy
end
it "is false if there are children" do
expect(test_directory.empty?).to be_falsey
end
end
describe "checks entry validity" do
it "rejects dotfiles" do
dir = described_class.new(".test", root, tmp_dir)
expect(dir.name_valid?).to be_falsey
end
it "rejects files" do
Tempfile.open("test") do |file|
dir = described_class.new("test", root, file.path)
expect(dir.name_valid?).to be_truthy
expect(dir.fs_entry_valid?).to be_falsey
end
end
it "accepts directories" do
expect(directory.name_valid?).to be_truthy
end
end
describe "creates directories" do
it "doesn't create an existing directory" do
expect { directory.create }.to raise_error(Chef::ChefFS::FileSystem::AlreadyExistsError)
end
it "creates a new directory" do
FileUtils.rmdir(tmp_dir)
expect(Dir).to receive(:mkdir).with(tmp_dir)
expect { directory.create }.to_not raise_error
end
after do
FileUtils.rm_rf(tmp_dir)
end
end
describe "deletes directories" do
it "won't delete a non-existant directory" do
FileUtils.rmdir(tmp_dir)
expect { directory.delete(true) }.to raise_error(Chef::ChefFS::FileSystem::NotFoundError)
end
it "must delete recursively" do
expect { directory.delete(false) }.to raise_error(Chef::ChefFS::FileSystem::MustDeleteRecursivelyError)
end
it "deletes a directory" do
expect(FileUtils).to receive(:rm_r).with(tmp_dir)
expect { directory.delete(true) }.to_not raise_error
end
end
end
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