Housekeeping

- Use setup ruby action
- Update gems
- Rubocop fixes
- Don't mutate params

.github/workflows/build.yml

@@ -5,8 +5,6 @@ on: [push, pull_request]
 jobs:
   test:
     runs-on: ubuntu-latest
-    container:
-      image: ruby:2.7.1
     services:
       postgres:
         image: postgres:12
@@ -17,6 +15,7 @@ jobs:
         options: --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 5
     steps:
     - uses: actions/checkout@v2
+    - uses: ruby/setup-ruby@v1
     - run: gem install bundler
     - run: bundle install --jobs 4 --retry 3
     - run: bundle exec rake

.rubocop.yml

@@ -1,8 +1,9 @@
 inherit_from: ".rubocop_todo.yml"
 
 require:
+  - rubocop-minitest
   - rubocop-performance
   - rubocop-sequel
 
 AllCops:
-  TargetRubyVersion: 2.6
+  TargetRubyVersion: 2.7

.rubocop_todo.yml

@@ -1,15 +1,21 @@
-Lint/RaiseException:
-  Enabled: true
-Lint/StructNewOverride:
-  Enabled: true
 Metrics/AbcSize:
   Max: 21.79
 Metrics/BlockLength:
-  ExcludedMethods: ['dataset_module', 'describe', 'helpers']
+  ExcludedMethods: ['describe', 'helpers']
 Metrics/MethodLength:
   Max: 13
 Style/Documentation:
   Enabled: false
+
+# New cops
+Layout/SpaceAroundMethodCallOperator:
+  Enabled: true
+Lint/RaiseException:
+  Enabled: true
+Lint/StructNewOverride:
+  Enabled: true
+Style/ExponentialNotation:
+  Enabled: true
 Style/HashEachMethods:
   Enabled: true
 Style/HashTransformKeys:

Gemfile

@@ -1,6 +1,6 @@
 # frozen_string_literal: true
 
-source 'http://rubygems.org'
+source 'https://rubygems.org'
 
 ruby '2.7.1'
 
@@ -19,6 +19,7 @@ group :test do
   gem 'minitest-around'
   gem 'minitest-focus'
   gem 'rack-test'
+  gem 'rubocop-minitest'
   gem 'rubocop-performance'
   gem 'rubocop-sequel'
   gem 'simplecov'

Gemfile.lock

@@ -1,5 +1,5 @@
 GEM
-  remote: http://rubygems.org/
+  remote: https://rubygems.org/
   specs:
     addressable (2.7.0)
       public_suffix (>= 2.0.2, < 5.0)
@@ -10,7 +10,7 @@ GEM
     docile (1.3.2)
     et-orbi (1.2.4)
       tzinfo
-    fugit (1.3.3)
+    fugit (1.3.4)
       et-orbi (~> 1.1, >= 1.1.8)
       raabro (~> 1.1)
     hashdiff (1.0.1)
@@ -27,13 +27,13 @@ GEM
       i18n (>= 0.6.4, <= 2)
     mustermann (1.1.1)
       ruby2_keywords (~> 0.0.1)
-    oj (3.10.5)
+    oj (3.10.6)
     ox (2.13.2)
     parallel (1.19.1)
-    parser (2.7.0.5)
+    parser (2.7.1.2)
       ast (~> 2.4.0)
     pg (1.2.3)
-    public_suffix (4.0.3)
+    public_suffix (4.0.4)
     raabro (1.1.6)
     rack (2.2.2)
     rack-cors (1.1.1)
@@ -46,7 +46,7 @@ GEM
     raindrops (0.19.1)
     rake (13.0.1)
     rexml (3.2.4)
-    rubocop (0.81.0)
+    rubocop (0.82.0)
       jaro_winkler (~> 1.5.1)
       parallel (~> 1.10)
       parser (>= 2.7.0.1)
@@ -54,6 +54,8 @@ GEM
       rexml
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 2.0)
+    rubocop-minitest (0.9.0)
+      rubocop (>= 0.74)
     rubocop-performance (1.5.2)
       rubocop (>= 0.71.0)
     rubocop-sequel (0.0.6)
@@ -63,8 +65,8 @@ GEM
     rufus-scheduler (3.6.0)
       fugit (~> 1.1, >= 1.1.6)
     safe_yaml (1.0.5)
-    sequel (5.31.0)
-    sequel_pg (1.12.5)
+    sequel (5.32.0)
+    sequel_pg (1.13.0)
       pg (>= 0.18.0, != 1.2.0)
       sequel (>= 4.38.0)
     simplecov (0.18.5)
@@ -77,10 +79,10 @@ GEM
       rack-protection (= 2.0.8.1)
       tilt (~> 2.0)
     tilt (2.0.10)
-    tzinfo (2.0.1)
+    tzinfo (2.0.2)
       concurrent-ruby (~> 1.0)
     unicode-display_width (1.7.0)
-    unicorn (5.5.4)
+    unicorn (5.5.5)
       kgio (~> 2.6)
       raindrops (~> 0.7)
     vcr (5.1.0)
@@ -102,6 +104,7 @@ DEPENDENCIES
   rack-cors
   rack-test
   rake
+  rubocop-minitest
   rubocop-performance
   rubocop-sequel
   rufus-scheduler

lib/web/server.rb

@@ -56,7 +56,7 @@ helpers do
 
   def json(data)
     json = Oj.dump(data, mode: :compat)
-    callback = params.delete('callback')
+    callback = params['callback']
 
     if callback
       content_type :js