From 34a88c4e633127fe2c5f6542ef3e7aade8c8cc7a Mon Sep 17 00:00:00 2001
From: Scott Taylor <scott@railsnewbie.com>
Date: Wed, 30 Sep 2009 01:23:26 -0400
Subject: [PATCH] Start File::Stat.  Add Stat#symlink?, stat#directory?

---
 lib/fakefs/file.rb     | 22 +++++++++++++++++
 test/fakefs_test.rb    |  5 ++++
 test/file/stat_test.rb | 54 ++++++++++++++++++++++++++++++++++++++++++
 3 files changed, 81 insertions(+)
 create mode 100644 test/file/stat_test.rb

diff --git a/lib/fakefs/file.rb b/lib/fakefs/file.rb
index fe2e046..8345d75 100644
--- a/lib/fakefs/file.rb
+++ b/lib/fakefs/file.rb
@@ -123,6 +123,28 @@ module FakeFS
       0
     end
 
+    def self.stat(file)
+      File::Stat.new(file)
+    end
+
+    class Stat
+      def initialize(file)
+        if !File.exists?(file)
+          raise(Errno::ENOENT, "No such file or directory - #{file}")
+        end
+
+        @file = file
+      end
+
+      def symlink?
+        File.symlink?(@file)
+      end
+
+      def directory?
+        File.directory?(@file)
+      end
+    end
+
     attr_reader :path
 
     def initialize(path, mode = READ_ONLY, perm = nil)
diff --git a/test/fakefs_test.rb b/test/fakefs_test.rb
index 1f69e2a..0d893af 100644
--- a/test/fakefs_test.rb
+++ b/test/fakefs_test.rb
@@ -949,6 +949,11 @@ class FakeFSTest < Test::Unit::TestCase
     assert_equal "some content", File.read("/bar")
   end
 
+  def test_file_stat_returns_file_stat_object
+    FileUtils.touch("/foo")
+    assert_equal File::Stat, File.stat("/foo").class
+  end
+
   def here(fname)
     RealFile.expand_path(RealFile.dirname(__FILE__)+'/'+fname)
   end
diff --git a/test/file/stat_test.rb b/test/file/stat_test.rb
new file mode 100644
index 0000000..fd12353
--- /dev/null
+++ b/test/file/stat_test.rb
@@ -0,0 +1,54 @@
+$LOAD_PATH.unshift File.join(File.dirname(__FILE__), '..', '..', 'lib')
+require 'fakefs/safe'
+require 'test/unit'
+
+class FileStatTest < Test::Unit::TestCase
+  include FakeFS
+
+  def setup
+    FileSystem.clear
+  end
+
+  def touch(*args)
+    FileUtils.touch(*args)
+  end
+
+  def ln_s(*args)
+    FileUtils.ln_s(*args)
+  end
+
+  def mkdir(*args)
+    Dir.mkdir(*args)
+  end
+
+  def test_file_stat_init_with_non_existant_file
+    assert_raises(Errno::ENOENT) do
+      File::Stat.new("/foo")
+    end
+  end
+
+  def test_symlink_should_be_true_when_symlink
+    touch("/foo")
+    ln_s("/foo", "/bar")
+
+    assert File::Stat.new("/bar").symlink?
+  end
+
+  def test_symlink_should_be_false_when_not_a_symlink
+    FileUtils.touch("/foo")
+
+    assert !File::Stat.new("/foo").symlink?
+  end
+
+  def test_should_return_false_for_directory_when_not_a_directory
+    FileUtils.touch("/foo")
+
+    assert !File::Stat.new("/foo").directory?
+  end
+
+  def test_should_return_true_for_directory_when_a_directory
+    mkdir "/foo"
+
+    assert File::Stat.new("/foo").directory?
+  end
+end