Using described_class in specs

spec/memfs/fake/directory_spec.rb

@@ -3,7 +3,7 @@
 module MemFs
   module Fake
     describe Directory do
-      let(:directory) { Directory.new('test') }
+      subject(:directory) { described_class.new('test') }
 
       describe '.new' do
         it 'sets . in the entries list' do
@@ -16,7 +16,7 @@ module Fake
       end
 
       describe '#add_entry' do
-        let(:entry) { Directory.new('new_entry') }
+        let(:entry) { described_class.new('new_entry') }
 
         it 'adds the entry to the entries list' do
           directory.add_entry entry
@@ -35,23 +35,23 @@ module Fake
         end
 
         it 'returns false if the directory is not empty' do
-          directory.add_entry Directory.new('test')
+          directory.add_entry described_class.new('test')
           expect(directory).not_to be_empty
         end
       end
 
       describe '#entry_names' do
         it 'returns the list of the names of the entries in the directory' do
           3.times do |n|
-            directory.add_entry Directory.new("dir#{n}")
+            directory.add_entry described_class.new("dir#{n}")
           end
 
           expect(directory.entry_names).to eq(%w[. .. dir0 dir1 dir2])
         end
       end
 
       describe '#find' do
-        let(:sub_directory) { Directory.new('sub_dir') }
+        let(:sub_directory) { described_class.new('sub_dir') }
         let(:file) { File.new('file') }
 
         before :each do
@@ -73,7 +73,7 @@ module Fake
       end
 
       describe '#parent=' do
-        let(:parent) { Directory.new('parent') }
+        let(:parent) { described_class.new('parent') }
 
         it 'sets the .. entry in entries list' do
           directory.parent = parent
@@ -87,7 +87,7 @@ module Fake
       end
 
       describe '#path' do
-        let(:root) { Directory.new('/') }
+        let(:root) { described_class.new('/') }
 
         it 'returns the directory path' do
           directory.parent = root
@@ -103,7 +103,7 @@ module Fake
 
       describe '#paths' do
         before do
-          subdir = Directory.new('subdir')
+          subdir = described_class.new('subdir')
           directory.add_entry(subdir)
           subdir.add_entry File.new('file1')
           subdir.add_entry File.new('file2')

spec/memfs/fake/entry_spec.rb

@@ -3,7 +3,7 @@
 module MemFs
   module Fake
     describe Entry do
-      let(:entry) { Entry.new('test') }
+      let(:entry) { described_class.new('test') }
       let(:parent) { Directory.new('parent') }
       let(:time) { Time.now - 5000 }
 
@@ -76,11 +76,11 @@ module Fake
         end
 
         it 'sets an empty string as name if none is given' do
-          expect(Entry.new.name).to be_empty
+          expect(described_class.new.name).to be_empty
         end
 
         it 'sets the access time' do
-          expect(Entry.new.atime).to be_a(Time)
+          expect(described_class.new.atime).to be_a(Time)
         end
 
         it 'sets the modification time' do

spec/memfs/fake/file/content_spec.rb

@@ -4,8 +4,6 @@
 module MemFs
   module Fake
     describe File::Content do
-      subject { File::Content.new }
-
       describe '#<<' do
         it 'writes the given string to the contained string' do
           subject << 'test'
@@ -21,7 +19,7 @@ module Fake
         end
 
         context 'when an argument is given' do
-          subject { File::Content.new(base_value) }
+          subject { described_class.new(base_value) }
 
           context 'when the argument is a string' do
             let(:base_value) { 'test' }
@@ -80,7 +78,7 @@ module Fake
       end
 
       describe '#truncate' do
-        subject { File::Content.new('x' * 50) }
+        subject { described_class.new('x' * 50) }
 
         it 'truncates the content to length characters' do
           subject.truncate(5)
@@ -113,7 +111,7 @@ module Fake
       end
 
       context 'when initialized with a string argument' do
-        subject { File::Content.new('test') }
+        subject { described_class.new('test') }
 
         describe '#read' do
           it 'reads +length+ bytes from the contained string' do

spec/memfs/fake/symlink_spec.rb

@@ -6,7 +6,7 @@ module Fake
       describe '#content' do
         it "returns the target's content" do
           MemFs::File.open('/test-file', 'w') { |f| f.puts 'test' }
-          s = Symlink.new('/test-link', '/test-file')
+          s = described_class.new('/test-link', '/test-file')
           expect(s.content).to be(s.dereferenced.content)
         end
       end
@@ -16,7 +16,7 @@ module Fake
           _fs.touch '/test-file'
           target = _fs.find!('/test-file')
 
-          s = Symlink.new('/test-link', '/test-file')
+          s = described_class.new('/test-link', '/test-file')
 
           expect(s.dereferenced).to eq(target)
         end
@@ -26,7 +26,7 @@ module Fake
           target = _fs.find!('/test-file')
 
           _fs.symlink '/test-file', '/test-link'
-          s = Symlink.new('/test-link2', '/test-link')
+          s = described_class.new('/test-link2', '/test-link')
 
           expect(s.dereferenced).to eq(target)
         end
@@ -36,14 +36,14 @@ module Fake
         context "when the symlink's target exists" do
           it 'returns its target name' do
             _fs.touch('/test-file')
-            symlink = Symlink.new('/test-link', '/test-file')
+            symlink = described_class.new('/test-link', '/test-file')
             expect(symlink.dereferenced_name).to eq('test-file')
           end
         end
 
         context "when the symlink's target does not exist" do
           it 'returns its target name' do
-            symlink = Symlink.new('/test-link', '/no-file')
+            symlink = described_class.new('/test-link', '/no-file')
             expect(symlink.dereferenced_name).to eq('no-file')
           end
         end
@@ -53,14 +53,14 @@ module Fake
         context "when the symlink's target exists" do
           it 'returns its target path' do
             _fs.touch('/test-file')
-            symlink = Symlink.new('/test-link', '/test-file')
+            symlink = described_class.new('/test-link', '/test-file')
             expect(symlink.dereferenced_path).to eq('/test-file')
           end
         end
 
         context "when the symlink's target does not exist" do
           it 'raises an exception' do
-            symlink = Symlink.new('/test-link', '/no-file')
+            symlink = described_class.new('/test-link', '/no-file')
             expect {
               symlink.dereferenced_path
             }.to raise_exception
@@ -77,7 +77,7 @@ module Fake
         end
 
         context "when the symlink's target exists" do
-          subject { Symlink.new('/test-dir-link', '/test-dir') }
+          subject { described_class.new('/test-dir-link', '/test-dir') }
 
           it 'forwards the search to it' do
             entry = subject.find('test-file')
@@ -86,7 +86,7 @@ module Fake
         end
 
         context "when the symlink's target does not exist" do
-          subject { Symlink.new('/test-no-link', '/no-dir') }
+          subject { described_class.new('/test-no-link', '/no-dir') }
 
           it 'returns nil' do
             entry = subject.find('test-file')
@@ -97,14 +97,14 @@ module Fake
 
       describe '#target' do
         it 'returns the target of the symlink' do
-          s = Symlink.new('/test-link', '/test-file')
+          s = described_class.new('/test-link', '/test-file')
           expect(s.target).to eq('/test-file')
         end
       end
 
       describe '#type' do
         it "returns 'link'" do
-          s = Symlink.new('/test-link', '/test-file')
+          s = described_class.new('/test-link', '/test-file')
           expect(s.type).to eq('link')
         end
       end

spec/memfs/file/stat_spec.rb

@@ -2,17 +2,17 @@
 
 module MemFs
   describe File::Stat do
-    let(:file_stat) { File::Stat.new('/test-file') }
-    let(:dereferenced_file_stat) { File::Stat.new('/test-file', true) }
+    let(:file_stat) { described_class.new('/test-file') }
+    let(:dereferenced_file_stat) { described_class.new('/test-file', true) }
 
-    let(:dir_link_stat) { File::Stat.new('/test-dir-link') }
-    let(:dereferenced_dir_link_stat) { File::Stat.new('/test-dir-link', true) }
+    let(:dir_link_stat) { described_class.new('/test-dir-link') }
+    let(:dereferenced_dir_link_stat) { described_class.new('/test-dir-link', true) }
 
-    let(:link_stat) { File::Stat.new('/test-link') }
-    let(:dereferenced_link_stat) { File::Stat.new('/test-link', true) }
+    let(:link_stat) { described_class.new('/test-link') }
+    let(:dereferenced_link_stat) { described_class.new('/test-link', true) }
 
-    let(:dir_stat) { File::Stat.new('/test-dir') }
-    let(:dereferenced_dir_stat) { File::Stat.new('/test-dir', true) }
+    let(:dir_stat) { described_class.new('/test-dir') }
+    let(:dereferenced_dir_stat) { described_class.new('/test-dir', true) }
 
     let(:entry) { _fs.find!('/test-file') }
 
@@ -29,7 +29,7 @@ module MemFs
         context 'when the last target of the link chain does not exist' do
           it 'raises an exception' do
             expect {
-              File::Stat.new('/test-no-file-link', true)
+              described_class.new('/test-no-file-link', true)
             }.to raise_error(Errno::ENOENT)
           end
         end
@@ -74,7 +74,7 @@ module MemFs
           _fs.touch('/block-file')
           file = _fs.find('/block-file')
           file.block_device = true
-          block_stat = File::Stat.new('/block-file')
+          block_stat = described_class.new('/block-file')
           expect(block_stat.blockdev?).to be true
         end
       end
@@ -92,7 +92,7 @@ module MemFs
           _fs.touch('/character-file')
           file = _fs.find('/character-file')
           file.character_device = true
-          character_stat = File::Stat.new('/character-file')
+          character_stat = described_class.new('/character-file')
           expect(character_stat.chardev?).to be true
         end
       end
@@ -391,7 +391,7 @@ module MemFs
           _fs.touch('/block-file')
           file = _fs.find('/block-file')
           file.block_device = true
-          block_stat = File::Stat.new('/block-file')
+          block_stat = described_class.new('/block-file')
           expect(block_stat.ftype).to eq('blockSpecial')
         end
       end
@@ -401,7 +401,7 @@ module MemFs
           _fs.touch('/character-file')
           file = _fs.find('/character-file')
           file.character_device = true
-          character_stat = File::Stat.new('/character-file')
+          character_stat = described_class.new('/character-file')
           expect(character_stat.ftype).to eq('characterSpecial')
         end
       end
@@ -418,7 +418,7 @@ module MemFs
         it "returns 'unknown'" do
           root = _fs.find('/')
           root.add_entry Fake::Entry.new('test-entry')
-          entry_stat = File::Stat.new('/test-entry')
+          entry_stat = described_class.new('/test-entry')
           expect(entry_stat.ftype).to eq('unknown')
         end
       end