describe :file_identical, shared: true do before :each do @file1 = tmp('file_identical.txt') @file2 = tmp('file_identical2.txt') @link = tmp('file_identical.lnk') @non_exist = 'non_exist' touch(@file1) { |f| f.puts "file1" } touch(@file2) { |f| f.puts "file2" } rm_r @link begin File.link(@file1, @link) rescue Errno::EACCES File.symlink(@file1, @link) end end after :each do rm_r @link, @file1, @file2 end it "returns true for a file and its link" do @object.send(@method, @file1, @link).should == true end it "returns false if any of the files doesn't exist" do @object.send(@method, @file1, @non_exist).should be_false @object.send(@method, @non_exist, @file1).should be_false @object.send(@method, @non_exist, @non_exist).should be_false end it "accepts an object that has a #to_path method" do @object.send(@method, mock_to_path(@file1), mock_to_path(@link)).should == true end it "raises an ArgumentError if not passed two arguments" do -> { @object.send(@method, @file1, @file2, @link) }.should raise_error(ArgumentError) -> { @object.send(@method, @file1) }.should raise_error(ArgumentError) end it "raises a TypeError if not passed String types" do -> { @object.send(@method, 1,1) }.should raise_error(TypeError) end it "returns true if both named files are identical" do @object.send(@method, @file1, @file1).should be_true @object.send(@method, @link, @link).should be_true @object.send(@method, @file1, @file2).should be_false end end