require_relative 'test_helper' require 'tilt/erb' require 'tempfile' data = (<

Hey <%= name %>!

<% fail %>

END describe 'tilt/erb' do it "registered for '.erb' files" do assert_includes Tilt.lazy_map['erb'], ['Tilt::ERBTemplate', 'tilt/erb'] end it "registered for '.rhtml' files" do assert_includes Tilt.lazy_map['rhtml'], ['Tilt::ERBTemplate', 'tilt/erb'] end it "loading and evaluating templates on #render" do template = Tilt::ERBTemplate.new { |t| "Hello World!" } assert_equal "Hello World!", template.render end it "can be rendered more than once" do template = Tilt::ERBTemplate.new { |t| "Hello World!" } 3.times { assert_equal "Hello World!", template.render } end it "passing locals" do template = Tilt::ERBTemplate.new { 'Hey <%= name %>!' } assert_equal "Hey Joe!", template.render(Object.new, :name => 'Joe') end it "evaluating in an object scope" do template = Tilt::ERBTemplate.new { 'Hey <%= @name %>!' } scope = Object.new scope.instance_variable_set :@name, 'Joe' assert_equal "Hey Joe!", template.render(scope) end _MockOutputVariableScope = Class.new do attr_accessor :exposed_buffer end it "exposing the buffer to the template by default" do template = Tilt::ERBTemplate.new(:outvar=>'@_out_buf') { '<% self.exposed_buffer = @_out_buf %>hey' } scope = _MockOutputVariableScope.new template.render(scope) refute_nil scope.exposed_buffer assert_equal scope.exposed_buffer, 'hey' end it "passing a block for yield" do template = Tilt::ERBTemplate.new { 'Hey <%= yield %>!' } assert_equal "Hey Joe!", template.render { 'Joe' } end it "backtrace file and line reporting without locals" do template = Tilt::ERBTemplate.new('test.erb', 11) { data } begin template.render fail 'should have raised an exception' rescue => boom assert_kind_of NameError, boom line = boom.backtrace.grep(/\Atest\.erb:/).first assert line, "Backtrace didn't contain test.erb" _file, line, _meth = line.split(":") assert_equal '13', line end end it "backtrace file and line reporting with locals" do template = Tilt::ERBTemplate.new('test.erb', 1) { data } begin template.render(nil, :name => 'Joe', :foo => 'bar') fail 'should have raised an exception' rescue => boom assert_kind_of RuntimeError, boom line = boom.backtrace.first file, line, _meth = line.split(":") assert_equal 'test.erb', file assert_equal '6', line end end it "explicit disabling of trim mode" do template = Tilt::ERBTemplate.new('test.erb', 1, :trim => false) { "\n<%= 1 + 1 %>\n" } assert_equal "\n2\n", template.render end it "default stripping trim mode" do template = Tilt::ERBTemplate.new('test.erb', 1) { "\n<%= 1 + 1 %>\n" } assert_equal "\n2", template.render end it "stripping trim mode" do template = Tilt::ERBTemplate.new('test.erb', 1, :trim => '-') { "\n<%= 1 + 1 -%>\n" } assert_equal "\n2", template.render end it "shorthand whole line syntax trim mode" do template = Tilt::ERBTemplate.new('test.erb', :trim => '%') { "\n% if true\nhello\n%end\n" } assert_equal "\nhello\n", template.render end it "using an instance variable as the outvar" do template = Tilt::ERBTemplate.new(nil, :outvar => '@buf') { "<%= 1 + 1 %>" } scope = Object.new scope.instance_variable_set(:@buf, 'original value') assert_equal '2', template.render(scope) assert_equal 'original value', scope.instance_variable_get(:@buf) end end describe 'tilt/erb (compiled)' do after do GC.start end _Scope = Class.new it "compiling template source to a method" do template = Tilt::ERBTemplate.new { |t| "Hello World!" } template.render(_Scope.new) method = template.send(:compiled_method, []) assert_kind_of UnboundMethod, method end it "loading and evaluating templates on #render" do template = Tilt::ERBTemplate.new { |t| "Hello World!" } assert_equal "Hello World!", template.render(_Scope.new) assert_equal "Hello World!", template.render(_Scope.new) end it "passing locals" do template = Tilt::ERBTemplate.new { 'Hey <%= name %>!' } assert_equal "Hey Joe!", template.render(_Scope.new, :name => 'Joe') end it "evaluating in an object scope" do template = Tilt::ERBTemplate.new { 'Hey <%= @name %>!' } scope = _Scope.new scope.instance_variable_set :@name, 'Joe' assert_equal "Hey Joe!", template.render(scope) scope.instance_variable_set :@name, 'Jane' assert_equal "Hey Jane!", template.render(scope) end it "passing a block for yield" do template = Tilt::ERBTemplate.new { 'Hey <%= yield %>!' } assert_equal "Hey Joe!", template.render(_Scope.new) { 'Joe' } assert_equal "Hey Jane!", template.render(_Scope.new) { 'Jane' } end it "backtrace file and line reporting without locals" do template = Tilt::ERBTemplate.new('test.erb', 11) { data } begin template.render(_Scope.new) fail 'should have raised an exception' rescue => boom assert_kind_of NameError, boom line = boom.backtrace.grep(/\Atest\.erb:/).first assert line, "Backtrace didn't contain test.erb" _file, line, _meth = line.split(":") assert_equal '13', line end end it "backtrace file and line reporting with locals" do template = Tilt::ERBTemplate.new('test.erb') { data } begin template.render(_Scope.new, :name => 'Joe', :foo => 'bar') fail 'should have raised an exception' rescue => boom assert_kind_of RuntimeError, boom line = boom.backtrace.first file, line, _meth = line.split(":") assert_equal 'test.erb', file assert_equal '6', line end end it "default stripping trim mode" do template = Tilt::ERBTemplate.new('test.erb') { "\n<%= 1 + 1 %>\n" } assert_equal "\n2", template.render(_Scope.new) end it "stripping trim mode" do template = Tilt::ERBTemplate.new('test.erb', :trim => '-') { "\n<%= 1 + 1 -%>\n" } assert_equal "\n2", template.render(_Scope.new) end it "shorthand whole line syntax trim mode" do template = Tilt::ERBTemplate.new('test.erb', :trim => '%') { "\n% if true\nhello\n%end\n" } assert_equal "\nhello\n", template.render(_Scope.new) end it "encoding with source_encoding" do f = Tempfile.open("template") f.puts('ふが <%= @hoge %>') f.close() @hoge = "ほげ" erb = Tilt::ERBTemplate.new(f.path){File.read(f.path, encoding: 'UTF-8')} 3.times { assert_equal 'UTF-8', erb.render(self).encoding.to_s } f.delete end it "encoding with :default_encoding" do f = Tempfile.open("template") f.puts('ふが <%= @hoge %>') f.close() @hoge = "ほげ" erb = Tilt::ERBTemplate.new(f.path, :default_encoding => 'UTF-8') 3.times { assert_equal 'UTF-8', erb.render(self).encoding.to_s } f.delete end if RUBY_VERSION >= '2.4' it "uses frozen literal strings if :freeze option is used" do template = Tilt::ERBTemplate.new(nil, :freeze => true) { |t| %(<%= "".frozen? %>) } assert_equal "true", template.render end end end