diff options
Diffstat (limited to 'spec/ruby/language/magic_comment_spec.rb')
-rw-r--r-- | spec/ruby/language/magic_comment_spec.rb | 108 |
1 files changed, 67 insertions, 41 deletions
diff --git a/spec/ruby/language/magic_comment_spec.rb b/spec/ruby/language/magic_comment_spec.rb index 3042a3f3df..c3abf3cc94 100644 --- a/spec/ruby/language/magic_comment_spec.rb +++ b/spec/ruby/language/magic_comment_spec.rb @@ -1,62 +1,88 @@ require_relative '../spec_helper' -describe "Magic comment" do - it "is optional" do - eval("__ENCODING__").should be_an_instance_of(Encoding) +# See core/kernel/eval_spec.rb for more magic comments specs for eval() +describe :magic_comments, shared: true do + it "are optional" do + @object.call('no_magic_comment.rb').should == Encoding::UTF_8.name end - it "determines __ENCODING__" do - eval(<<EOS.force_encoding("US-ASCII")).should == Encoding::ASCII_8BIT -# encoding: ASCII-8BIT -__ENCODING__ -EOS - end - - it "is case-insensitive" do - eval(<<EOS.force_encoding("US-ASCII")).should == Encoding::ASCII_8BIT -# CoDiNg: aScIi-8bIt -__ENCODING__ -EOS + it "are case-insensitive" do + @object.call('case_magic_comment.rb').should == Encoding::Big5.name end it "must be at the first line" do - eval(<<EOS.force_encoding("US-ASCII")).should == Encoding::US_ASCII - -# encoding: ASCII-8BIT -__ENCODING__ -EOS + @object.call('second_line_magic_comment.rb').should == Encoding::UTF_8.name end it "must be the first token of the line" do - eval(<<EOS.force_encoding("US-ASCII")).should == Encoding::US_ASCII -1+1 # encoding: ASCII-8BIT -__ENCODING__ -EOS - eval(<<EOS.force_encoding("US-ASCII")).should == Encoding::ASCII_8BIT - # encoding: ASCII-8BIT -__ENCODING__ -EOS + @object.call('second_token_magic_comment.rb').should == Encoding::UTF_8.name end it "can be after the shebang" do - eval(<<EOS.force_encoding("US-ASCII")).should == Encoding::ASCII_8BIT -#!/usr/bin/ruby -Ku -# encoding: ASCII-8BIT -__ENCODING__ -EOS + @object.call('shebang_magic_comment.rb').should == Encoding::Big5.name end it "can take Emacs style" do - eval(<<EOS.force_encoding("US-ASCII")).should == Encoding::ASCII_8BIT -# -*- encoding: ascii-8bit -*- -__ENCODING__ -EOS + @object.call('emacs_magic_comment.rb').should == Encoding::Big5.name end it "can take vim style" do - eval(<<EOS.force_encoding("US-ASCII")).should == Encoding::ASCII_8BIT -# vim: filetype=ruby, fileencoding=ascii-8bit, tabsize=3, shiftwidth=3 -__ENCODING__ -EOS + @object.call('vim_magic_comment.rb').should == Encoding::Big5.name + end + + it "determine __ENCODING__" do + @object.call('magic_comment.rb').should == Encoding::Big5.name + end + + it "do not cause bytes to be mangled by passing them through the wrong encoding" do + @object.call('bytes_magic_comment.rb').should == [167, 65, 166, 110].inspect + end +end + +describe "Magic comments" do + platform_is_not :windows do + describe "in stdin" do + it_behaves_like :magic_comments, nil, -> file { + print_at_exit = fixture(__FILE__, "print_magic_comment_result_at_exit.rb") + ruby_exe(nil, args: "< #{fixture(__FILE__, file)}", options: "-r#{print_at_exit}") + } + end + + describe "in an -e argument" do + it_behaves_like :magic_comments, nil, -> file { + print_at_exit = fixture(__FILE__, "print_magic_comment_result_at_exit.rb") + # Use UTF-8, as it is the default source encoding for files + code = File.read(fixture(__FILE__, file), encoding: 'utf-8') + IO.popen([*ruby_exe, "-r", print_at_exit, "-e", code], &:read) + } + end + end + + describe "in the main file" do + it_behaves_like :magic_comments, nil, -> file { + print_at_exit = fixture(__FILE__, "print_magic_comment_result_at_exit.rb") + ruby_exe(fixture(__FILE__, file), options: "-r#{print_at_exit}") + } + end + + describe "in a loaded file" do + it_behaves_like :magic_comments, nil, -> file { + load fixture(__FILE__, file) + $magic_comment_result + } + end + + describe "in a required file" do + it_behaves_like :magic_comments, nil, -> file { + require fixture(__FILE__, file) + $magic_comment_result + } + end + + describe "in an eval" do + it_behaves_like :magic_comments, nil, -> file { + # Use UTF-8, as it is the default source encoding for files + eval(File.read(fixture(__FILE__, file), encoding: 'utf-8')) + } end end |