DEV: Switch from Travis to Actions (#29)

.github/workflows/ci.yml

@@ -0,0 +1,48 @@
+name: Mini Mime Tests
+
+on:
+  pull_request:
+  push:
+    branches:
+      - master
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    name: "Ruby ${{ matrix.ruby }} / Failure allowed: ${{ matrix.experimental }}"
+    continue-on-error: ${{ matrix.experimental }}
+    strategy:
+      fail-fast: false
+      matrix:
+        ruby: ["2.4", "2.5", "2.6", "2.7"]
+        experimental: [false]
+        include:
+          - ruby: "ruby-head"
+            experimental: true
+          - ruby: "jruby-head"
+            experimental: true
+          - ruby: "jruby-9.1.17.0"
+            experimental: true
+          - ruby: "jruby-9.2.13.0"
+            experimental: true
+    steps:
+      - uses: actions/checkout@v2
+      - uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: ${{ matrix.ruby }}
+      - name: Bundler cache
+        uses: actions/cache@v2
+        with:
+          path: vendor/bundle
+          key: ${{ runner.os }}-${{ matrix.ruby }}-gems-${{ hashFiles('**/Gemfile.lock') }}
+          restore-keys: |
+            ${{ runner.os }}-${{ matrix.ruby }}-gems-
+      - name: Setup gems
+        run: |
+          bundle config path vendor/bundle
+          bundle install --jobs 4
+      - name: Rubocop
+        run: bundle exec rubocop
+        if: "!contains(matrix.ruby, 'jruby')"
+      - name: Tests
+        run: bundle exec rake test

.rubocop.yml

@@ -0,0 +1,5 @@
+inherit_gem:
+  rubocop-discourse: default.yml
+inherit_mode:
+  merge:
+    - Exclude

.travis.yml

@@ -1,20 +0,0 @@
-language: ruby
-
-rvm:
-  - 2.3
-  - 2.4
-  - 2.5
-  - 2.6
-  - ruby-head
-  - jruby
-  - jruby-9.0.5.0
-  - jruby-9.1.6.0
-  - jruby-head
-
-matrix:
-  allow_failures:
-    - rvm: ruby-head
-    - rvm: jruby-9.0.5.0
-    - rvm: jruby-9.1.6.0
-    - rvm: jruby-head
-  fast_finish: true

Gemfile

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 source 'https://rubygems.org'
 
 # Specify your gem's dependencies in mini_mime.gemspec

Rakefile

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "bundler/gem_tasks"
 require "rake/testtask"
 
@@ -7,7 +8,7 @@ Rake::TestTask.new(:test) do |t|
   t.test_files = FileList['test/**/*_test.rb']
 end
 
-task :default => :test
+task default: :test
 
 def pad(array)
   max = []
@@ -36,11 +37,11 @@ task :rebuild_db do
   index = {}
 
   MIME::Types.each do |type|
-    type.extensions.each {|ext| (index[ext.downcase] ||= []) << type}
+    type.extensions.each { |ext| (index[ext.downcase] ||= []) << type }
   end
 
-  index.each do |k,list|
-    list.sort!{|a,b| a.priority_compare(b)}
+  index.each do |k, list|
+    list.sort! { |a, b| a.priority_compare(b) }
   end
 
   buffer = []
@@ -54,9 +55,9 @@ task :rebuild_db do
 
   pad(buffer)
 
-  buffer.sort!{|a,b| a[0] <=> b[0]}
+  buffer.sort! { |a, b| a[0] <=> b[0] }
 
-  File.open("lib/db/ext_mime.db", File::CREAT|File::TRUNC|File::RDWR) do |f|
+  File.open("lib/db/ext_mime.db", File::CREAT | File::TRUNC | File::RDWR) do |f|
     buffer.each do |row|
       f.write "#{row[0]} #{row[1]} #{row[2]}\n"
     end
@@ -64,7 +65,7 @@ task :rebuild_db do
 
   puts "#{buffer.count} rows written to lib/db/ext_mime.db"
 
-  buffer.sort!{|a,b| [a[1], a[0]] <=> [b[1], b[0]]}
+  buffer.sort! { |a, b| [a[1], a[0]] <=> [b[1], b[0]] }
 
   # strip cause we are going to re-pad
   buffer.each do |row|
@@ -80,7 +81,7 @@ task :rebuild_db do
 
   pad(buffer)
 
-  File.open("lib/db/content_type_mime.db", File::CREAT|File::TRUNC|File::RDWR) do |f|
+  File.open("lib/db/content_type_mime.db", File::CREAT | File::TRUNC | File::RDWR) do |f|
     last = nil
     count = 0
     buffer.each do |row|

bench/bench.rb

@@ -1,9 +1,9 @@
+# frozen_string_literal: true
 require 'memory_profiler'
 require 'benchmark/ips'
 
 $: << File.expand_path('../../lib', __FILE__)
 
-
 puts
 puts "Memory stats for requiring mime/types/columnar"
 result = MemoryProfiler.report do
@@ -22,7 +22,6 @@ end
 puts "Total allocated: #{result.total_allocated_memsize} bytes (#{result.total_allocated} objects)"
 puts "Total retained:  #{result.total_retained_memsize} bytes (#{result.total_retained} objects)"
 
-
 Benchmark.ips do |bm|
   bm.report 'cached content_type lookup MiniMime' do
     MiniMime.lookup_by_filename("a.txt").content_type

bin/console

@@ -1,4 +1,5 @@
 #!/usr/bin/env ruby
+# frozen_string_literal: true
 
 require "bundler/setup"
 require "mini_mime"

lib/mini_mime.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require "mini_mime/version"
 require "thread"
 
@@ -129,7 +130,7 @@ module MiniMime
         result = nil
 
         while from <= to do
-          midpoint = from + (to-from).div(2)
+          midpoint = from + (to - from).div(2)
           current = resolve(midpoint)
           data = current[@sort_order]
           if data > val
@@ -145,7 +146,7 @@ module MiniMime
       end
 
       def resolve(row)
-        @file.seek(row*@row_length)
+        @file.seek(row * @row_length)
         Info.new(@file.readline)
       end
     end

lib/mini_mime/version.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 module MiniMime
   VERSION = "1.0.2"
 end

mini_mime.gemspec

@@ -25,4 +25,6 @@ Gem::Specification.new do |spec|
   spec.add_development_dependency "bundler", ">= 1.13"
   spec.add_development_dependency "rake", "~> 10.0"
   spec.add_development_dependency "minitest", "~> 5.0"
+  spec.add_development_dependency "rubocop"
+  spec.add_development_dependency "rubocop-discourse"
 end

test/mini_mime/configuration_test.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require 'test_helper'
 
 class MiniMime::ConfigurationTest < Minitest::Test

test/mini_mime_test.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 require 'test_helper'
 
 begin
@@ -49,7 +50,7 @@ class MiniMimeTest < Minitest::Test
     def test_full_parity_with_mime_types
       exts = Set.new
       MIME::Types.each do |type|
-        type.extensions.each{|ext| exts << ext}
+        type.extensions.each { |ext| exts << ext }
       end
 
       exts.each do |ext|

test/test_helper.rb

@@ -1,3 +1,4 @@
+# frozen_string_literal: true
 $LOAD_PATH.unshift File.expand_path('../../lib', __FILE__)
 require 'mini_mime'