Ci/GitHub actions (#7822)

Merge pull request 7822

.gitattributes

@@ -0,0 +1 @@
+* text=auto

.github/workflows/ci.yml

@@ -0,0 +1,42 @@
+name: Continuous Integration
+
+on:
+  push:
+    branches:
+    - master
+    - /.*-stable/
+  pull_request:
+    branches:
+    - master
+    - /.*-stable/
+
+jobs:
+  ci:
+    name: 'SUITE: ${{ matrix.test_suite }} / OS: ${{ matrix.os }}'
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        test_suite:
+        - test
+        - default-site
+        os:
+        - ubuntu-latest
+        - windows-latest
+    steps:
+    - uses: actions/checkout@v1
+      with:
+        fetch-depth: 1
+    - name: Set up Ruby 2.6
+      uses: actions/setup-ruby@v1
+      with:
+        ruby-version: 2.6.x
+    - name: 'Update Rubygems & Bundler'
+      run: 'gem update --system --no-document && gem update bundler --no-document'
+    - name: Set up bundle
+      run: bundle install --jobs 4 --retry 3
+    - name: Run Test Suite
+      run: bash script/cibuild
+      env:
+        CI: true
+        TEST_SUITE: ${{ matrix.test_suite }}

test/helper.rb

@@ -80,6 +80,17 @@ module DirectoryHelpers
   def test_dir(*subdirs)
     root_dir("test", *subdirs)
   end
+
+  def temp_dir(*subdirs)
+    if Utils::Platforms.windows?
+      drive = Dir.pwd.sub(%r!^([^\/]+).*!, '\1')
+      temp_root = File.join(drive, "tmp")
+    else
+      temp_root = "/tmp"
+    end
+
+    File.join(temp_root, *subdirs)
+  end
 end
 
 class JekyllUnitTest < Minitest::Test

test/source/.gitattributes

@@ -0,0 +1 @@
+* -text

test/test_site.rb

@@ -32,7 +32,7 @@ class TestSite < JekyllUnitTest
 
     should "have an array for plugins if passed as a string" do
       site = Site.new(site_configuration("plugins_dir" => "/tmp/plugins"))
-      array = Utils::Platforms.windows? ? ["C:/tmp/plugins"] : ["/tmp/plugins"]
+      array = [temp_dir("plugins")]
       assert_equal array, site.plugins
     end
 
@@ -40,11 +40,7 @@ class TestSite < JekyllUnitTest
       site = Site.new(site_configuration(
                         "plugins_dir" => ["/tmp/plugins", "/tmp/otherplugins"]
                       ))
-      array = if Utils::Platforms.windows?
-                ["C:/tmp/plugins", "C:/tmp/otherplugins"]
-              else
-                ["/tmp/plugins", "/tmp/otherplugins"]
-              end
+      array = [temp_dir("plugins"), temp_dir("otherplugins")]
       assert_equal array, site.plugins
     end