Update Ruby version to include v3.3 (#45)

* Update Ruby version to include v3.3
* Move development dependencies to the Gemfile
* Fix logic bug in `server_read`

.github/workflows/test.yml

@@ -14,7 +14,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        ruby-version: ['2.7', '3.0', '3.1', '3.2']
+        ruby-version: ['3.0', '3.1', '3.2', '3.3']
 
     steps:
       - uses: actions/checkout@v3

.rubocop.yml

@@ -5,7 +5,7 @@ require:
 
 AllCops:
   NewCops: enable
-  TargetRubyVersion: 2.7
+  TargetRubyVersion: 3.0
 
 Layout/EmptyLinesAroundAttributeAccessor:
   Enabled: true

Gemfile

@@ -4,3 +4,12 @@ source 'https://rubygems.org'
 
 # Specify your gem's dependencies in henkei.gemspec
 gemspec
+
+gem 'bundler', '~> 2.0'
+gem 'rake', '~> 12.3'
+gem 'rspec', '~> 3.7'
+gem 'rubocop', '~> 1.26'
+gem 'rubocop-performance', '~> 1.13'
+gem 'rubocop-rake', '~> 0.6'
+gem 'rubocop-rspec', '~> 2.9'
+gem 'simplecov', '~> 0.15', '< 0.18'

henkei.gemspec

@@ -15,7 +15,7 @@ Gem::Specification.new do |spec|
                        '(.doc, .docx, .pages, .odt, .rtf, .pdf) using Apache Tika toolkit'
   spec.homepage      = 'https://github.com/abrom/henkei'
   spec.license       = 'MIT'
-  spec.required_ruby_version = ['>= 2.7.0', '< 3.3.0']
+  spec.required_ruby_version = ['>= 3.0.0', '< 3.4.0']
 
   # Prevent pushing this gem to RubyGems.org by setting 'allowed_push_host', or
   # delete this section to allow pushing this gem to any host.
@@ -30,14 +30,4 @@ Gem::Specification.new do |spec|
 
   spec.add_runtime_dependency 'json', '>= 1.8', '< 3'
   spec.add_runtime_dependency 'mini_mime', '>= 0.1.1', '< 2'
-
-  spec.add_development_dependency 'bundler', '~> 2.0'
-  spec.add_development_dependency 'rails', '~> 5.0'
-  spec.add_development_dependency 'rake', '~> 12.3'
-  spec.add_development_dependency 'rspec', '~> 3.7'
-  spec.add_development_dependency 'rubocop', '~> 1.26'
-  spec.add_development_dependency 'rubocop-performance', '~> 1.13'
-  spec.add_development_dependency 'rubocop-rake', '~> 0.6'
-  spec.add_development_dependency 'rubocop-rspec', '~> 2.9'
-  spec.add_development_dependency 'simplecov', '~> 0.15', '< 0.18'
 end

lib/henkei.rb

@@ -268,7 +268,7 @@ def self.server_read(data)
     resp = +''
     loop do
       chunk = s.recv(65_536)
-      break if chunk.empty? || !chunk
+      break if !chunk || chunk.empty?
 
       resp << chunk
     end