Added methods for working with files (#241)

* Added methods for working with files
copy file
move file
get file size

* Added tests for new methods
* update CHANGELOG.md

CHANGELOG.md

@@ -2,6 +2,12 @@
 
 ## master (unreleased)
 
+### New Features
+
+* New method `OnlyofficeFileHelper.copy_file`
+* New method `OnlyofficeFileHelper.move_file`
+* New method `OnlyofficeFileHelper.file_size`
+
 ## 1.0.0 (2022-08-06)
 
 ### New Features

lib/onlyoffice_file_helper.rb

@@ -7,6 +7,7 @@
 require 'find'
 require 'onlyoffice_file_helper/create_methods'
 require 'onlyoffice_file_helper/directory_methods'
+require 'onlyoffice_file_helper/file_methods'
 require 'onlyoffice_file_helper/read_methods'
 require 'onlyoffice_file_helper/version'
 require 'onlyoffice_file_helper/linux_helper'
@@ -20,6 +21,7 @@ class FileHelper
     extend CreateMethods
     extend DirectoryMethods
     extend ReadMethods
+    extend FileMethods
 
     class << self
       # Return name of file from full path

lib/onlyoffice_file_helper/file_methods.rb

@@ -0,0 +1,31 @@
+# frozen_string_literal: true
+
+module OnlyofficeFileHelper
+  # Methods used to work with files
+  module FileMethods
+    # Copies a file
+    # @param [String] file_path path to file to be copied
+    # @param [String] destination path to where to copy file
+    def copy_file(file_path, destination)
+      FileUtils.mkdir_p(destination) unless File.directory?(destination)
+      FileUtils.copy(file_path, destination)
+    end
+
+    # Moves a file
+    # @param [String] file_path path to file to be moved
+    # @param [String] destination path to where to move file
+    def move_file(file_path, destination)
+      FileUtils.mkdir_p(destination) unless File.directory?(destination)
+      FileUtils.move(file_path, destination)
+    end
+
+    # Get file size in bytes
+    # @param [String] file_path path to file
+    # @return [Integer] size of file in bytes
+    def file_size(file_path)
+      size = File.size?(file_path)
+      size = 0 if size.nil?
+      size
+    end
+  end
+end

spec/onlyoffice_file_helper/file_helper_copy_file_spec.rb

@@ -0,0 +1,24 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe OnlyofficeFileHelper::FileHelper, '.copy_file' do
+  let(:file_path) { Tempfile.new('copy').path.to_s }
+  let(:destination) { "/tmp/#{Random.hex(12)}/" }
+
+  it 'copied directory created' do
+    described_class.copy_file(file_path, destination)
+    expect(File).to be_directory(destination)
+  end
+
+  it 'if copied folder already exists' do
+    described_class.create_folder(destination)
+    described_class.copy_file(file_path, destination)
+    expect(File).to be_directory(destination)
+  end
+
+  it 'file exists in the new directory' do
+    described_class.copy_file(file_path, destination)
+    expect(File).to exist(destination)
+  end
+end

spec/onlyoffice_file_helper/file_helper_get_file_size_spec.rb

@@ -0,0 +1,20 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe OnlyofficeFileHelper::FileHelper, '.get_file_size' do
+  let(:file_path) { "/tmp/file_size#{Random.hex(12)}" }
+
+  it 'get file size' do
+    described_class.create_file_with_size(file_path: file_path, size: '15K')
+    expect(described_class.file_size(file_path)).to be(15_360)
+  end
+
+  it 'get file size if file size 0' do
+    expect(described_class.file_size(Tempfile.new('size').path.to_s)).to be(0)
+  end
+
+  it 'get file size if nonexistent file' do
+    expect(described_class.file_size("/tmp/nonexistent_file#{Random.hex(12)}")).to be(0)
+  end
+end

spec/onlyoffice_file_helper/file_helper_move_file_spec.rb

@@ -0,0 +1,29 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+RSpec.describe OnlyofficeFileHelper::FileHelper, '.move_file' do
+  let(:file_path) { Tempfile.new('move').path.to_s }
+  let(:destination) { "/tmp/#{Random.hex(12)}/" }
+
+  it 'if moved folder already exists' do
+    described_class.create_folder(destination)
+    described_class.move_file(file_path, destination)
+    expect(File).to be_directory(destination)
+  end
+
+  it 'moved directory created' do
+    described_class.move_file(file_path, destination)
+    expect(File).to be_directory(destination)
+  end
+
+  it 'file is moved from the source directory' do
+    described_class.move_file(file_path, destination)
+    expect(File).not_to exist(file_path)
+  end
+
+  it 'file exists in the new directory' do
+    described_class.move_file(file_path, destination)
+    expect(File).to exist(destination)
+  end
+end

spec/spec_helper.rb

@@ -6,6 +6,8 @@
 end
 require 'bundler/setup'
 require 'onlyoffice_file_helper'
+require 'tempfile'
+require 'securerandom'
 
 RSpec.configure do |config|
   # Enable flags like --only-failures and --next-failure