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Commit 512bebe2 authored by Douwe Maan's avatar Douwe Maan
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Refactor Gitlab::Highlight and fix tests

parent 0a8039eb
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Showing with 131 additions and 135 deletions
app/helpers/blob_helper.rb
View file @ 512bebe2
module BlobHelper
def highlight(blob_name, blob_content, nowrap: false, continue: false)
Gitlab::Highlight.highlight(blob_name, blob_content, nowrap: nowrap, continue: continue)
def highlighter(blob_name, blob_content, nowrap: false)
Gitlab::Highlight.new(blob_name, blob_content, nowrap: nowrap)
end
def highlight(blob_name, blob_content, nowrap: false)
Gitlab::Highlight.highlight(blob_name, blob_content, nowrap: nowrap)
end
def no_highlight_files
......
app/views/projects/blame/show.html.haml
View file @ 512bebe2
......@@ -15,6 +15,7 @@
.file-content.blame.highlight
%table
- current_line = 1
- blame_highlighter = highlighter(@blob.name, @blob.data, nowrap: true)
- @blame.each do |blame_group|
%tr
%td.blame-commit
......@@ -41,5 +42,5 @@
%pre{class: 'code highlight white'}
%code
- blame_group[:lines].each do |line|
:erb
<%= highlight(@blob.name, line, nowrap: true, continue: true).html_safe %>
:preserve
#{blame_highlighter.highlight(line)}
app/views/shared/_file_highlight.html.haml
View file @ 512bebe2
......@@ -9,5 +9,4 @@
%i.fa.fa-link
= i
.blob-content{data: {blob_id: blob.id}}
:preserve
#{highlight(blob.name, blob.data)}
= highlight(blob.name, blob.data)
lib/gitlab/highlight.rb
View file @ 512bebe2
module Gitlab
class Highlight
def self.highlight(blob_name, blob_content, nowrap: true, continue: false)
formatter = rouge_formatter(nowrap: nowrap)
lexer = Rouge::Lexer.guess(filename: blob_name, source: blob_content).new rescue Rouge::Lexers::PlainText
formatter.format(lexer.lex(blob_content, continue: continue)).html_safe
def self.highlight(blob_name, blob_content, nowrap: true)
new(blob_name, blob_content, nowrap: nowrap).highlight(blob_content, continue: false)
end
def self.highlight_lines(repository, ref, file_name)
......@@ -14,9 +11,26 @@ module Gitlab
highlight(file_name, blob.data).lines.map!(&:html_safe)
end
def initialize(blob_name, blob_content, nowrap: true)
@formatter = rouge_formatter(nowrap: nowrap)
@lexer = Rouge::Lexer.guess(filename: blob_name, source: blob_content).new rescue Rouge::Lexers::PlainText
end
def highlight(text, continue: true)
@formatter.format(lex(text, continue: continue)).html_safe
end
private
def self.rouge_formatter(options = {})
def lex(text, continue: true)
if @lexer == Rouge::Lexers::PlainText
@lexer.lex(text)
else
@lexer.lex(text, continue: continue)
end
end
def rouge_formatter(options = {})
options = options.reverse_merge(
nowrap: true,
cssclass: 'code highlight',
......
spec/fixtures/parallel_diff_result.yml
View file @ 512bebe2
......@@ -55,7 +55,7 @@
:type: new
:number: 9
:text: |
+<span id="LC9" class="line"> <span class="k">raise</span> <span class="no">RuntimeError</span><span class="p">,</span> <span class="s2">&quot;System commands must be given as an array of strings&quot;</span></span>
+<span id="LC9" class="line"> <span class="k">raise</span> <span class="no"><span class='idiff'>RuntimeError</span></span><span class="p"><span class='idiff'>,</span></span> <span class="s2">&quot;System commands must be given as an array of strings&quot;</span></span>
:line_code: 2f6fcd96b88b36ce98c38da085c795a27d92a3dd_10_9
- :left:
:type:
......
spec/helpers/blob_helper_spec.rb
View file @ 512bebe2
require 'spec_helper'
describe BlobHelper do
describe 'highlight' do
let(:blob_name) { 'test.lisp' }
let(:no_context_content) { ":type \"assem\"))" }
let(:blob_content) { "(make-pathname :defaults name\n#{no_context_content}" }
......@@ -15,8 +14,9 @@ describe BlobHelper do
)
end
describe '#highlight' do
it 'should return plaintext for unknown lexer context' do
result = highlight(blob_name, no_context_content, nowrap: true, continue: false)
result = helper.highlight(blob_name, no_context_content, nowrap: true)
expect(result).to eq('<span id="LC1" class="line">:type &quot;assem&quot;))</span>')
end
......@@ -24,22 +24,11 @@ describe BlobHelper do
expected = %Q[<span id="LC1" class="line"><span class="p">(</span><span class="nb">make-pathname</span> <span class="ss">:defaults</span> <span class="nv">name</span></span>
<span id="LC2" class="line"><span class="ss">:type</span> <span class="s">&quot;assem&quot;</span><span class="p">))</span></span>]
expect(highlight(blob_name, blob_content, nowrap: true, continue: false)).to eq(expected)
end
it 'should highlight continued blocks' do
# Both lines have LC1 as ID since formatter doesn't support continue at the moment
expected = [
'<span id="LC1" class="line"><span class="p">(</span><span class="nb">make-pathname</span> <span class="ss">:defaults</span> <span class="nv">name</span></span>',
'<span id="LC1" class="line"><span class="ss">:type</span> <span class="s">&quot;assem&quot;</span><span class="p">))</span></span>'
]
result = split_content.map{ |content| highlight(blob_name, content, nowrap: true, continue: true) }
expect(result).to eq(expected)
expect(helper.highlight(blob_name, blob_content, nowrap: true)).to eq(expected)
end
it 'should highlight multi-line comments' do
result = highlight(blob_name, multiline_content, nowrap: true, continue: false)
result = helper.highlight(blob_name, multiline_content, nowrap: true)
html = Nokogiri::HTML(result)
lines = html.search('.s')
expect(lines.count).to eq(3)
......@@ -59,9 +48,23 @@ describe BlobHelper do
end
it 'should highlight each line properly' do
result = highlight(blob_name, blob_content, nowrap: true, continue: false)
result = helper.highlight(blob_name, blob_content, nowrap: true)
expect(result).to eq(expected)
end
end
end
describe "#highlighter" do
it 'should highlight continued blocks' do
# Both lines have LC1 as ID since formatter doesn't support continue at the moment
expected = [
'<span id="LC1" class="line"><span class="p">(</span><span class="nb">make-pathname</span> <span class="ss">:defaults</span> <span class="nv">name</span></span>',
'<span id="LC1" class="line"><span class="ss">:type</span> <span class="s">&quot;assem&quot;</span><span class="p">))</span></span>'
]
highlighter = helper.highlighter(blob_name, blob_content, nowrap: true)
result = split_content.map{ |content| highlighter.highlight(content) }
expect(result).to eq(expected)
end
end
end
spec/lib/gitlab/diff/highlight_spec.rb
View file @ 512bebe2
......@@ -8,24 +8,13 @@ describe Gitlab::Diff::Highlight, lib: true do
let(:diff) { commit.diffs.first }
let(:diff_file) { Gitlab::Diff::File.new(diff, [commit.parent, commit]) }
describe '.process_diff_lines' do
context 'when processing Gitlab::Diff::Line objects' do
let(:diff_lines) { Gitlab::Diff::Highlight.process_diff_lines(diff_file) }
describe '#highlight' do
let(:diff_lines) { Gitlab::Diff::Highlight.new(diff_file).highlight }
it 'should return Gitlab::Diff::Line elements' do
expect(diff_lines.first).to be_an_instance_of(Gitlab::Diff::Line)
end
it 'should highlight the code' do
code = %Q{ <span id="LC7" class="line"> <span class="k">def</span> <span class="nf">popen</span><span class="p">(</span><span class="n">cmd</span><span class="p">,</span> <span class="n">path</span><span class="o">=</span><span class="kp">nil</span><span class="p">)</span></span>\n}
expect(diff_lines[2].text).to eq(code)
end
it 'should not generate the inline diff markup' do
expect(diff_lines[5].text).not_to match(Regexp.new(Regexp.escape('<span class="idiff">')))
end
it 'should not modify "match" lines' do
expect(diff_lines[0].text).to eq('@@ -6,12 +6,18 @@ module Popen')
expect(diff_lines[22].text).to eq('@@ -19,6 +25,7 @@ module Popen')
......@@ -37,30 +26,16 @@ describe Gitlab::Diff::Highlight, lib: true do
expect(diff_lines[2].text).to eq(code)
end
it 'should highlight added lines' do
code = %Q{+<span id="LC9" class="line"> <span class="k">raise</span> <span class="no">RuntimeError</span><span class="p">,</span> <span class="s2">&quot;System commands must be given as an array of strings&quot;</span></span>\n}
expect(diff_lines[5].text).to eq(code)
end
it 'should highlight removed lines' do
code = %Q{-<span id="LC9" class="line"> <span class="k">raise</span> <span class="s2">&quot;System commands must be given as an array of strings&quot;</span></span>\n}
expect(diff_lines[4].text).to eq(code)
end
end
end
describe '.highlight_lines' do
let(:lines) do
Gitlab::Diff::Highlight.highlight_lines(project.repository, commit.id, 'files/ruby/popen.rb')
end
it 'should highlight added lines' do
code = %Q{+<span id="LC9" class="line"> <span class="k">raise</span> <span class="no"><span class='idiff'>RuntimeError</span></span><span class="p"><span class='idiff'>,</span></span> <span class="s2">&quot;System commands must be given as an array of strings&quot;</span></span>\n}
it 'should properly highlight all the lines' do
expect(lines[4]).to eq(%Q{<span id="LC5" class="line"> <span class="kp">extend</span> <span class="nb">self</span></span>\n})
expect(lines[21]).to eq(%Q{<span id="LC22" class="line"> <span class="k">unless</span> <span class="no">File</span><span class="p">.</span><span class="nf">directory?</span><span class="p">(</span><span class="n">path</span><span class="p">)</span></span>\n})
expect(lines[26]).to eq(%Q{<span id="LC27" class="line"> <span class="vi">@cmd_status</span> <span class="o">=</span> <span class="mi">0</span></span>\n})
expect(diff_lines[5].text).to eq(code)
end
end
end
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