Adding ruby 2.4 support including testing matrix (#9)

* Add ruby testing matrix (#8)

* Add ruby 2.4 support (#8)

* Upgrade rubocop to 1.0

Author: StefSchenkelaars

.github/workflows/ci.yml

@@ -5,19 +5,27 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out code
-        uses: actions/checkout@v1
+        uses: actions/checkout@v2
       - name: rubocop
         uses: reviewdog/action-rubocop@v1
         with:
           github_token: ${{ secrets.github_token }}
           reporter: github-check
   rspec:
     runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        ruby:
+          - 2.4
+          - 2.5
+          - 2.6
+          - 2.7
+    name: RSpec tests ruby ${{ matrix.ruby }}
     steps:
       - name: Check out code
-        uses: actions/checkout@v1
+        uses: actions/checkout@v2
       - name: Setup caching for ruby gems
-        uses: actions/cache@v1
+        uses: actions/cache@v2
         with:
           path: vendor/bundle
           key: ${{ runner.os }}-gems-${{ hashFiles('**/Gemfile.lock') }}
@@ -26,7 +34,7 @@ jobs:
       - name: Setup Ruby
         uses: actions/setup-ruby@v1
         with:
-          ruby-version: 2.7
+          ruby-version: ${{ matrix.ruby }}
       - name: Install gems
         run: |
           gem install bundler:2.1.4 --no-doc
@@ -38,9 +46,9 @@ jobs:
     runs-on: ubuntu-latest
     steps:
       - name: Check out code
-        uses: actions/checkout@v1
+        uses: actions/checkout@v2
       - name: Setup caching for ruby gems
-        uses: actions/cache@v1
+        uses: actions/cache@v2
         with:
           path: vendor/bundle
           key: ${{ runner.os }}-gems-${{ hashFiles('**/Gemfile.lock') }}

.rubocop.yml

@@ -1,5 +1,5 @@
 AllCops:
-  TargetRubyVersion: 2.7
+  TargetRubyVersion: 2.4
 
 # A top class comment is not needed for this simple gem
 Style/Documentation:

Gemfile.lock

@@ -7,35 +7,38 @@ PATH
 GEM
   remote: https://rubygems.org/
   specs:
-    ast (2.4.0)
-    diff-lcs (1.3)
-    jaro_winkler (1.5.4)
-    parallel (1.19.1)
-    parser (2.7.1.0)
-      ast (~> 2.4.0)
+    ast (2.4.1)
+    diff-lcs (1.4.4)
+    parallel (1.19.2)
+    parser (2.7.2.0)
+      ast (~> 2.4.1)
     rainbow (3.0.0)
+    regexp_parser (1.8.2)
     rexml (3.2.4)
     rspec (3.9.0)
       rspec-core (~> 3.9.0)
       rspec-expectations (~> 3.9.0)
       rspec-mocks (~> 3.9.0)
-    rspec-core (3.9.1)
-      rspec-support (~> 3.9.1)
-    rspec-expectations (3.9.1)
+    rspec-core (3.9.3)
+      rspec-support (~> 3.9.3)
+    rspec-expectations (3.9.2)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.9.0)
     rspec-mocks (3.9.1)
       diff-lcs (>= 1.2.0, < 2.0)
       rspec-support (~> 3.9.0)
-    rspec-support (3.9.2)
-    rubocop (0.81.0)
-      jaro_winkler (~> 1.5.1)
+    rspec-support (3.9.3)
+    rubocop (1.0.0)
       parallel (~> 1.10)
-      parser (>= 2.7.0.1)
+      parser (>= 2.7.1.5)
       rainbow (>= 2.2.2, < 4.0)
+      regexp_parser (>= 1.8)
       rexml
+      rubocop-ast (>= 0.6.0)
       ruby-progressbar (~> 1.7)
       unicode-display_width (>= 1.4.0, < 2.0)
+    rubocop-ast (1.0.0)
+      parser (>= 2.7.1.5)
     ruby-progressbar (1.10.1)
     unicode-display_width (1.7.0)
 
@@ -45,7 +48,7 @@ PLATFORMS
 DEPENDENCIES
   rspec (~> 3.0)
   rspec-github!
-  rubocop (~> 0.81.0)
+  rubocop (~> 1.0)
 
 BUNDLED WITH
    2.1.4

lib/rspec/github/notification_decorator.rb

@@ -24,7 +24,8 @@ def annotation
       end
 
       def path
-        File.realpath(raw_path).delete_prefix("#{workspace}#{File::SEPARATOR}")
+        # TODO: use `delete_prefix` when dropping ruby 2.4 support
+        File.realpath(raw_path).sub(/\A#{workspace}#{File::SEPARATOR}/, '')
       end
 
       private

rspec-github.gemspec

@@ -12,7 +12,7 @@ Gem::Specification.new do |spec|
   spec.description   = 'Formatter for RSpec to show errors in GitHub action annotations'
   spec.homepage      = 'https://drieam.github.io/rspec-github'
   spec.license       = 'MIT'
-  spec.required_ruby_version = Gem::Requirement.new('>= 2.3.0')
+  spec.required_ruby_version = Gem::Requirement.new('>= 2.4.0')
 
   spec.metadata['allowed_push_host'] = 'https://rubygems.org'
   spec.metadata['homepage_uri'] = spec.homepage
@@ -23,5 +23,5 @@ Gem::Specification.new do |spec|
 
   spec.add_runtime_dependency 'rspec-core', '~> 3.0'
   spec.add_development_dependency 'rspec', '~> 3.0'
-  spec.add_development_dependency 'rubocop', '~> 0.81.0'
+  spec.add_development_dependency 'rubocop', '~> 1.0'
 end

spec/rspec/github/formatter_spec.rb

@@ -63,18 +63,20 @@
 
     context 'relative_path to GITHUB_WORKSPACE' do
       around do |example|
-        saved_github_workspace = ENV['GITHUB_WORKSPACE']
-        ENV['GITHUB_WORKSPACE'] = tmpdir
+        begin
+          saved_github_workspace = ENV['GITHUB_WORKSPACE']
+          ENV['GITHUB_WORKSPACE'] = tmpdir
 
-        FileUtils.mkpath File.dirname(absolute_path)
-        FileUtils.touch absolute_path
+          FileUtils.mkpath File.dirname(absolute_path)
+          FileUtils.touch absolute_path
 
-        Dir.chdir tmpdir do
-          example.run
+          Dir.chdir tmpdir do
+            example.run
+          end
+        ensure
+          FileUtils.rm_r tmpdir
+          ENV['GITHUB_WORKSPACE'] = saved_github_workspace
         end
-      ensure
-        FileUtils.rm_r tmpdir
-        ENV['GITHUB_WORKSPACE'] = saved_github_workspace
       end
 
       let(:tmpdir) { Dir.mktmpdir }