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Improve did_you_mean partial name correction
Before this change did_you_mean shows partial paths like `animals/_partial`, but adding that to your render call in a view like `<%= render 'animals/_partial' %>` will still be missing as rails will search for the template `animals/__partial`. We can provide the user a easier copy/paste correction if we don't tell them about the underscore. This also reduces the candidates to only return partials if you are looking for a partial and only look for non-templates when you are not looking for a template.
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2 changed files with 29 additions and 4 deletions
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@ -27,7 +27,7 @@ module ActionView
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end
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class MissingTemplate < ActionViewError #:nodoc:
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attr_reader :path, :paths, :prefixes
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attr_reader :path, :paths, :prefixes, :partial
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def initialize(paths, path, prefixes, partial, details, *)
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if partial && path.present?
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@ -37,6 +37,7 @@ module ActionView
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@path = path
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@paths = paths
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@prefixes = Array(prefixes)
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@partial = partial
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template_type = if partial
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"partial"
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elsif /layouts/i.match?(path)
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@ -93,7 +94,13 @@ module ActionView
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def corrections
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path = @error.path
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prefixes = @error.prefixes
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candidates = @error.paths.flat_map(&:all_template_paths).uniq
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if @error.partial
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candidates = candidates.grep(%r{_[^/]+\z})
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else
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candidates = candidates.grep_v(%r{_[^/]+\z})
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end
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# Group by possible prefixes
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files_by_dir = candidates.group_by do |x|
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@ -135,9 +142,13 @@ module ActionView
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end
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end
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if @error.partial
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results.to_a.map { |res| res.sub(%r{_([^/]+)\z}, "\\1") }
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else
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results.to_a
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end
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end
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end
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if defined?(DidYouMean) && DidYouMean.respond_to?(:correct_error)
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DidYouMean.correct_error(self, Correction)
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@ -626,13 +626,27 @@ module RenderTestCases
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if defined?(DidYouMean) && DidYouMean.respond_to?(:correct_error)
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def test_render_partial_provides_spellcheck
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e = assert_raises(ActionView::MissingTemplate) { @view.render(partial: "test/partail") }
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assert_match %r{Did you mean\? test/_partial\n *test/_partialhtml}, e.message
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assert_match %r{Did you mean\? test/partial\n *test/partialhtml}, e.message
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end
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def test_spellcheck_doesnt_list_directories
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e = assert_raises(ActionView::MissingTemplate) { @view.render(partial: "test/directory") }
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assert_match %r{Did you mean\?}, e.message
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assert_no_match %r{Did you mean\? test/_directory\n}, e.message # test/hello is a directory
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assert_no_match %r{Did you mean\? test/directory\n}, e.message # test/hello is a directory
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end
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def test_spellcheck_only_lists_templates
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e = assert_raises(ActionView::MissingTemplate) { @view.render(template: "test/partial") }
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assert_match %r{Did you mean\?}, e.message
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assert_no_match %r{Did you mean\? test/partial\n}, e.message
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end
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def test_spellcheck_only_lists_partials
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e = assert_raises(ActionView::MissingTemplate) { @view.render(partial: "test/template") }
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assert_match %r{Did you mean\?}, e.message
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assert_no_match %r{Did you mean\? test/template\n}, e.message
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end
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end
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