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require File.expand_path('../../../spec_helper', __FILE__)
ruby_version_is "1.9" 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 a 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
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