ci: add a Windows build with minimal MRI Ruby to the "Continuous Integration" build matrix

Author: jcouball

.github/workflows/continuous_integration.yml

@@ -7,7 +7,7 @@ on:
   workflow_dispatch:
 
 # Supported platforms / Ruby versions:
-#  - Ubuntu: MRI (3.2, 3.3, 3.4), TruffleRuby (24), JRuby (9.4)
+#  - Ubuntu: MRI (3.2, 3.3, 3.4)
 #  - Windows: MRI (3.2)
 
 jobs:
@@ -30,6 +30,10 @@ jobs:
         ruby: ["3.2", "3.4"]
         operating-system: [ubuntu-latest]
         fail_on_low_coverage: [true]
+        include:
+          - # Only test with minimal Ruby version on Windows
+            ruby: 3.2
+            operating-system: windows-latest
 
     steps:
       - name: Checkout

spec/rspec/path_matchers/be_dir_spec.rb

@@ -215,6 +215,10 @@
   end
 
   describe 'the mode: option' do
+    before(:all) do
+      skip 'File mode tests are only applicable on Unix-like platforms' unless UNIX_LIKE_PLATFORM
+    end
+    
     subject { expect(path).to be_dir(mode: expected_mode) }
 
     before { FileUtils.mkdir(path) }

spec/rspec/path_matchers/be_file_spec.rb

@@ -572,6 +572,10 @@
   end
 
   describe 'the mode: option' do
+    before(:all) do
+      skip 'File mode tests are only applicable on Unix-like platforms' unless UNIX_LIKE_PLATFORM
+    end
+
     subject { expect(path).to be_file(mode: expected_mode) }
 
     before { FileUtils.touch(path) }

spec/spec_helper.rb

@@ -19,7 +19,7 @@
 end
 
 # Guard for Unix-specific tests, as Windows does not have the same ownership concepts
-UNIX_PLATFORM = RUBY_PLATFORM !~ /cygwin|mswin|mingw|bccwin|wince|emx/
+UNIX_LIKE_PLATFORM = RUBY_PLATFORM !~ /cygwin|mswin|mingw|bccwin|wince|emx/
 
 # Helper method to get the current user for ownership tests
 def current_user