Revert "start adding basic tests for fakefs"

This reverts commit f451efdf2d.

lib/fakefs.rb

@@ -1,6 +1,4 @@
-require 'fileutils'
-
-class FakeFS
+module FakeFS
   module FileUtils
     extend self
 
@@ -43,17 +41,13 @@ class FakeFS
     end
 
     def self.expand_path(path)
-      RealFile.expand_path(path)
+      ::File.expand_path(path)
     end
 
     def self.readlink(path)
       symlink = FileSystem.find(path)
       FileSystem.find(symlink.target).to_s
     end
-
-    def self.dirname(path)
-      RealFile.dirname(path)
-    end
   end
 
   class Dir
@@ -66,52 +60,8 @@ class FakeFS
     end
   end
 
-
-  class MockDir < Hash
-    attr_accessor :name, :parent
-
-    def initialize(name = nil, parent = nil)
-      @name = name
-      @parent = parent
-    end
-
-    def files
-      values
-    end
-
-    def entry
-      self
-    end
-
-    def to_s
-      if parent && parent.to_s != '.'
-        parent.to_s + '/' + name
-      else
-        name
-      end
-    end
-  end
-
-  class MockSymlink
-    attr_accessor :name, :target
-    alias_method  :to_s, :name
-
-    def initialize(target)
-      @target = target
-    end
-
-    def inspect
-      "symlink(#{target.split('/').last})"
-    end
-
-    def entry
-      FileSystem.find(target)
-    end
-
-    def method_missing(*args, &block)
-      entry.send(*args, &block)
-    end
-  end
+  module FileSystem
+    extend self
 
     def fs
       @fs ||= MockDir.new('.')
@@ -157,17 +107,50 @@ class FakeFS
     def path_parts(path)
       path.split(File::PATH_SEPARATOR)
     end
-
-  def method_missing(*args, &block)
-    fs.send(*args, &block)
   end
 
-  FileSystem = FakeFS.new('.')
-end
+  class MockDir < Hash
+    attr_accessor :name, :parent
 
-RealFile = File
-RealFileUtils = FileUtils
-RealDir = Dir
+    def initialize(name = nil, parent = nil)
+      @name = name
+      @parent = parent
+    end
+
+    def entry
+      self
+    end
+
+    def to_s
+      if parent && parent.to_s != '.'
+        parent.to_s + '/' + name
+      else
+        name
+      end
+    end
+  end
+
+  class MockSymlink
+    attr_accessor :name, :target
+    alias_method  :to_s, :name
+
+    def initialize(target)
+      @target = target
+    end
+
+    def inspect
+      "symlink(#{target.split('/').last})"
+    end
+
+    def entry
+      FileSystem.find(target)
+    end
+
+    def method_missing(*args, &block)
+      entry.send(*args, &block)
+    end
+  end
+end
 
 Object.class_eval do
   remove_const(:Dir)

test/fake_fs.rb

@@ -1,15 +0,0 @@
-$LOAD_PATH.unshift File.join(File.dirname(__FILE__), '..', 'lib')
-require 'fakefs'
-require 'test/unit'
-
-class FakeFSTest < Test::Unit::TestCase
-  def test_can_be_initialized_empty
-    fs = FakeFS.new('.')
-    assert_equal 0, fs.files.size
-  end
-
-  def test_can_be_initialized_with_an_existing_directory
-    fs = FakeFS.new(File.expand_path(File.dirname(__FILE__)))
-    assert_equal 1, fs.files.size
-  end
-end