diff options
Diffstat (limited to 'actionview')
| -rw-r--r-- | actionview/lib/action_view/renderer/streaming_template_renderer.rb | 2 | ||||
| -rw-r--r-- | actionview/lib/action_view/template.rb | 10 | ||||
| -rw-r--r-- | actionview/lib/action_view/template/error.rb | 22 | ||||
| -rw-r--r-- | actionview/test/fixtures/test/syntax_error.html.erb | 4 | ||||
| -rw-r--r-- | actionview/test/template/render_test.rb | 12 |
5 files changed, 44 insertions, 6 deletions
diff --git a/actionview/lib/action_view/renderer/streaming_template_renderer.rb b/actionview/lib/action_view/renderer/streaming_template_renderer.rb index 279ef3c680..19fa399e2c 100644 --- a/actionview/lib/action_view/renderer/streaming_template_renderer.rb +++ b/actionview/lib/action_view/renderer/streaming_template_renderer.rb @@ -34,7 +34,7 @@ module ActionView return unless logger message = +"\n#{exception.class} (#{exception.message}):\n" - message << exception.annoted_source_code.to_s if exception.respond_to?(:annoted_source_code) + message << exception.annotated_source_code.to_s if exception.respond_to?(:annotated_source_code) message << " " << exception.backtrace.join("\n ") logger.fatal("#{message}\n\n") end diff --git a/actionview/lib/action_view/template.rb b/actionview/lib/action_view/template.rb index 6e3af1536a..7bc5e86edb 100644 --- a/actionview/lib/action_view/template.rb +++ b/actionview/lib/action_view/template.rb @@ -331,6 +331,7 @@ module ActionView # Make sure that the resulting String to be eval'd is in the # encoding of the code + original_source = source source = +<<-end_src def #{method_name}(local_assigns, output_buffer) @virtual_path = #{@virtual_path.inspect};#{locals_code};#{code} @@ -351,7 +352,14 @@ module ActionView raise WrongEncodingError.new(source, Encoding.default_internal) end - mod.module_eval(source, identifier, 0) + begin + mod.module_eval(source, identifier, 0) + rescue SyntaxError + # Account for when code in the template is not syntactically valid; e.g. if we're using + # ERB and the user writes <%= foo( %>, attempting to call a helper `foo` and interpolate + # the result into the template, but missing an end parenthesis. + raise SyntaxErrorInTemplate.new(self, original_source) + end end def handle_render_error(view, e) diff --git a/actionview/lib/action_view/template/error.rb b/actionview/lib/action_view/template/error.rb index 4e3c02e05e..d0ea03e228 100644 --- a/actionview/lib/action_view/template/error.rb +++ b/actionview/lib/action_view/template/error.rb @@ -109,7 +109,7 @@ module ActionView end end - def annoted_source_code + def annotated_source_code source_extract(4) end @@ -138,4 +138,24 @@ module ActionView end TemplateError = Template::Error + + class SyntaxErrorInTemplate < TemplateError #:nodoc + def initialize(template, offending_code_string) + @offending_code_string = offending_code_string + super(template) + end + + def message + <<~MESSAGE + Encountered a syntax error while rendering template: check #{@offending_code_string} + MESSAGE + end + + def annotated_source_code + @offending_code_string.split("\n").map.with_index(1) { |line, index| + indentation = " " * 4 + "#{index}:#{indentation}#{line}" + } + end + end end diff --git a/actionview/test/fixtures/test/syntax_error.html.erb b/actionview/test/fixtures/test/syntax_error.html.erb new file mode 100644 index 0000000000..4004a2b187 --- /dev/null +++ b/actionview/test/fixtures/test/syntax_error.html.erb @@ -0,0 +1,4 @@ +<%= foo( + 1, + 2, +%> diff --git a/actionview/test/template/render_test.rb b/actionview/test/template/render_test.rb index f0fed601f8..baff7cd83f 100644 --- a/actionview/test/template/render_test.rb +++ b/actionview/test/template/render_test.rb @@ -259,18 +259,24 @@ module RenderTestCases "and is followed by any combination of letters, numbers and underscores.", e.message end + def test_render_template_with_syntax_error + e = assert_raises(ActionView::Template::Error) { @view.render(template: "test/syntax_error") } + assert_match %r!syntax!, e.message + assert_equal "1: <%= foo(", e.annotated_source_code[0].strip + end + def test_render_partial_with_errors e = assert_raises(ActionView::Template::Error) { @view.render(partial: "test/raise") } assert_match %r!method.*doesnt_exist!, e.message assert_equal "", e.sub_template_message assert_equal "1", e.line_number - assert_equal "1: <%= doesnt_exist %>", e.annoted_source_code[0].strip + assert_equal "1: <%= doesnt_exist %>", e.annotated_source_code[0].strip assert_equal File.expand_path("#{FIXTURE_LOAD_PATH}/test/_raise.html.erb"), e.file_name end def test_render_error_indentation e = assert_raises(ActionView::Template::Error) { @view.render(partial: "test/raise_indentation") } - error_lines = e.annoted_source_code + error_lines = e.annotated_source_code assert_match %r!error\shere!, e.message assert_equal "11", e.line_number assert_equal " 9: <p>Ninth paragraph</p>", error_lines.second @@ -290,7 +296,7 @@ module RenderTestCases assert_match %r!method.*doesnt_exist!, e.message assert_equal "", e.sub_template_message assert_equal "1", e.line_number - assert_equal "1: <%= doesnt_exist %>", e.annoted_source_code[0].strip + assert_equal "1: <%= doesnt_exist %>", e.annotated_source_code[0].strip assert_equal File.expand_path("#{FIXTURE_LOAD_PATH}/test/_raise.html.erb"), e.file_name end |