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Diffstat (limited to 'spec/ruby/core/file/realpath_spec.rb')
-rw-r--r-- | spec/ruby/core/file/realpath_spec.rb | 88 |
1 files changed, 88 insertions, 0 deletions
diff --git a/spec/ruby/core/file/realpath_spec.rb b/spec/ruby/core/file/realpath_spec.rb new file mode 100644 index 0000000000..49aed7b88c --- /dev/null +++ b/spec/ruby/core/file/realpath_spec.rb @@ -0,0 +1,88 @@ +require File.expand_path('../../../spec_helper', __FILE__) + +platform_is_not :windows do + describe "File.realpath" do + before :each do + @real_dir = tmp('dir_realpath_real') + @link_dir = tmp('dir_realpath_link') + + mkdir_p @real_dir + File.symlink(@real_dir, @link_dir) + + @file = File.join(@real_dir, 'file') + @link = File.join(@link_dir, 'link') + + touch @file + File.symlink(@file, @link) + + @fake_file = File.join(@real_dir, 'fake_file') + @fake_link = File.join(@link_dir, 'fake_link') + + File.symlink(@fake_file, @fake_link) + + @dir_for_relative_link = File.join(@real_dir, 'dir1') + mkdir_p @dir_for_relative_link + + @relative_path_to_file = File.join('..', 'file') + @relative_symlink = File.join(@dir_for_relative_link, 'link') + File.symlink(@relative_path_to_file, @relative_symlink) + end + + after :each do + rm_r @file, @link, @fake_link, @real_dir, @link_dir + end + + it "returns '/' when passed '/'" do + File.realpath('/').should == '/' + end + + it "returns the real (absolute) pathname not containing symlinks" do + File.realpath(@link).should == @file + end + + it "uses base directory for interpreting relative pathname" do + File.realpath(File.basename(@link), @link_dir).should == @file + end + + it "uses current directory for interpreting relative pathname" do + Dir.chdir @link_dir do + File.realpath(File.basename(@link)).should == @file + end + end + + it "uses link directory for expanding relative links" do + File.realpath(@relative_symlink).should == @file + end + + it "raises an Errno::ELOOP if the symlink points to itself" do + File.unlink @link + File.symlink(@link, @link) + lambda { File.realpath(@link) }.should raise_error(Errno::ELOOP) + end + + it "raises Errno::ENOENT if the file is absent" do + lambda { File.realpath(@fake_file) }.should raise_error(Errno::ENOENT) + end + + it "raises Errno::ENOENT if the symlink points to an absent file" do + lambda { File.realpath(@fake_link) }.should raise_error(Errno::ENOENT) + end + end +end + +platform_is :windows do + describe "File.realpath" do + before :each do + @file = tmp("realpath") + touch @file + end + + after :each do + rm_r @file + end + + it "returns the same path" do + File.realpath(@file).should == @file + end + end +end |