Adding support for the :utf-8 access mode in File.new (#32)

simonc · Apr 14, 2021 · 06e47d9 · 06e47d9
1 parent fe6a315
commit 06e47d9
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Showing 2 changed files with 11 additions and 1 deletion.
diff --git a/lib/memfs/io.rb b/lib/memfs/io.rb
@@ -214,7 +214,7 @@ def readable?
     def str_to_mode_int(mode)
       return mode unless mode.is_a?(String)
 
-      unless mode =~ /\A([rwa]\+?)([bt])?(:bom)?(\|.+)?\z/
+      unless mode =~ /\A([rwa]\+?)([bt])?(:(bom|UTF-8|utf-8))?(\|.+)?\z/
         fail ArgumentError, "invalid access mode #{mode}"
       end
 

diff --git a/spec/memfs/file_spec.rb b/spec/memfs/file_spec.rb
@@ -914,6 +914,16 @@ module MemFs
             expect(subject.send(:opening_mode)).to eq File::RDONLY
           end
 
+          it 'handles the :utf-8 option' do
+            subject = described_class.new('/test-file', 'r:utf-8')
+            expect(subject.send(:opening_mode)).to eq File::RDONLY
+          end
+
+          it 'handles the :UTF-8 option' do
+            subject = described_class.new('/test-file', 'r:UTF-8')
+            expect(subject.send(:opening_mode)).to eq File::RDONLY
+          end
+
           it 'handles the |utf-8 option' do
             subject = described_class.new('/test-file', 'r|utf-8')
             expect(subject.send(:opening_mode)).to eq File::RDONLY