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Move :plain option to Highlight class 

This is to DRY the repeated file size check.

Move spec and constants to Highlight
This commit is contained in:
Mark Chao 2018-09-11 12:37:44 +08:00
parent 39ae9a59a5
commit bc14e4ed10
9 changed files with 74 additions and 88 deletions
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1
app/helpers/blob_helper.rb
View File

@ -2,7 +2,6 @@
module BlobHelper
def highlight(file_name, file_content, language: nil, plain: false)
plain ||= file_content.length > Blob::MAXIMUM_TEXT_HIGHLIGHT_SIZE
highlighted = Gitlab::Highlight.highlight(file_name, file_content, plain: plain, language: language)
raw %(<pre class="code highlight"><code>#{highlighted}</code></pre>)

6
app/models/blob.rb
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@ -7,8 +7,6 @@ class Blob < SimpleDelegator
CACHE_TIME = 60 # Cache raw blobs referred to by a (mutable) ref for 1 minute
CACHE_TIME_IMMUTABLE = 3600 # Cache blobs referred to by an immutable reference for 1 hour
MAXIMUM_TEXT_HIGHLIGHT_SIZE = 1.megabyte
# Finding a viewer for a blob happens based only on extension and whether the
# blob is binary or text, which means 1 blob should only be matched by 1 viewer,
# and the order of these viewers doesn't really matter.
@ -123,10 +121,6 @@ class Blob < SimpleDelegator
end
end
def no_highlighting?
raw_size && raw_size > MAXIMUM_TEXT_HIGHLIGHT_SIZE
end
def empty?
raw_size == 0
end

2
app/presenters/blob_presenter.rb
View File

@ -8,7 +8,7 @@ class BlobPresenter < Gitlab::View::Presenter::Simple
blob.path,
blob.data,
language: blob.language_from_gitattributes,
plain: (plain || blob.no_highlighting?)
plain: plain
)
end
end

2
app/views/search/results/_snippet_blob.html.haml
View File

@ -39,7 +39,7 @@
.blob-content
- snippet_chunks.each do |chunk|
- unless chunk[:data].empty?
= highlight(snippet.file_name, chunk[:data], plain: snippet.blob.no_highlighting?)
= highlight(snippet.file_name, chunk[:data])
- else
.file-content.code
.nothing-here-block Empty file

3
lib/gitlab/highlight.rb
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@ -4,6 +4,7 @@ module Gitlab
class Highlight
TIMEOUT_BACKGROUND = 30.seconds
TIMEOUT_FOREGROUND = 3.seconds
MAXIMUM_TEXT_HIGHLIGHT_SIZE = 1.megabyte
def self.highlight(blob_name, blob_content, language: nil, plain: false)
new(blob_name, blob_content, language: language)
@ -20,6 +21,8 @@ module Gitlab
end
def highlight(text, continue: true, plain: false)
plain ||= text.length > MAXIMUM_TEXT_HIGHLIGHT_SIZE
highlighted_text = highlight_text(text, continue: continue, plain: plain)
highlighted_text = link_dependencies(text, highlighted_text) if blob_name
highlighted_text

4
lib/gitlab/search_results.rb
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@ -23,10 +23,6 @@ module Gitlab
filename
end
def no_highlighting?
false
end
# Since search results often contain many items,
# not triggering lookup can avoid n+1 queries.
def language_from_gitattributes

58
spec/helpers/blob_helper_spec.rb
View File

@ -3,63 +3,13 @@ require 'spec_helper'
describe BlobHelper do
include TreeHelper
let(:blob_name) { 'test.lisp' }
let(:no_context_content) { ":type \"assem\"))" }
let(:blob_content) { "(make-pathname :defaults name\n#{no_context_content}" }
let(:split_content) { blob_content.split("\n") }
let(:multiline_content) do
%q(
def test(input):
"""This is line 1 of a multi-line comment.
This is line 2.
"""
)
end
describe '#highlight' do
it 'returns plaintext for unknown lexer context' do
result = helper.highlight(blob_name, no_context_content)
expect(result).to eq(%[<pre class="code highlight"><code><span id="LC1" class="line" lang="">:type "assem"))</span></code></pre>])
it 'wraps highlighted content' do
expect(helper.highlight('test.rb', '52')).to eq(%q[<pre class="code highlight"><code><span id="LC1" class="line" lang="ruby"><span class="mi">52</span></span></code></pre>])
end
it 'returns plaintext for long blobs' do
stub_const('Blob::MAXIMUM_TEXT_HIGHLIGHT_SIZE', 1)
result = helper.highlight(blob_name, blob_content)
expect(result).to eq(%[<pre class="code highlight"><code><span id="LC1" class="line" lang="">(make-pathname :defaults name</span>\n<span id="LC2" class="line" lang="">:type "assem"))</span></code></pre>])
end
it 'highlights single block' do
expected = %Q[<pre class="code highlight"><code><span id="LC1" class="line" lang="common_lisp"><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" lang="common_lisp"><span class="ss">:type</span> <span class="s">"assem"</span><span class="p">))</span></span></code></pre>]
expect(helper.highlight(blob_name, blob_content)).to eq(expected)
end
it 'highlights multi-line comments' do
result = helper.highlight(blob_name, multiline_content)
html = Nokogiri::HTML(result)
lines = html.search('.s')
expect(lines.count).to eq(3)
expect(lines[0].text).to eq('"""This is line 1 of a multi-line comment.')
expect(lines[1].text).to eq(' This is line 2.')
expect(lines[2].text).to eq(' """')
end
context 'diff highlighting' do
let(:blob_name) { 'test.diff' }
let(:blob_content) { "+aaa\n+bbb\n- ccc\n ddd\n"}
let(:expected) do
%q(<pre class="code highlight"><code><span id="LC1" class="line" lang="diff"><span class="gi">+aaa</span></span>
<span id="LC2" class="line" lang="diff"><span class="gi">+bbb</span></span>
<span id="LC3" class="line" lang="diff"><span class="gd">- ccc</span></span>
<span id="LC4" class="line" lang="diff"> ddd</span></code></pre>)
end
it 'highlights each line properly' do
result = helper.highlight(blob_name, blob_content)
expect(result).to eq(expected)
end
it 'handles plain version' do
expect(helper.highlight('test.rb', '52', plain: true)).to eq(%q[<pre class="code highlight"><code><span id="LC1" class="line" lang="">52</span></code></pre>])
end
end

60
spec/lib/gitlab/highlight_spec.rb
View File

@ -18,6 +18,66 @@ describe Gitlab::Highlight do
end
describe '#highlight' do
let(:file_name) { 'test.lisp' }
let(:no_context_content) { ":type \"assem\"))" }
let(:content) { "(make-pathname :defaults name\n#{no_context_content}" }
let(:multiline_content) do
%q(
def test(input):
"""This is line 1 of a multi-line comment.
This is line 2.
"""
)
end
it 'highlights' do
expected = %Q[<span id="LC1" class="line" lang="common_lisp"><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" lang="common_lisp"><span class="ss">:type</span> <span class="s">"assem"</span><span class="p">))</span></span>]
expect(described_class.highlight(file_name, content)).to eq(expected)
end
it 'returns plain version for unknown lexer context' do
result = described_class.highlight(file_name, no_context_content)
expect(result).to eq(%[<span id="LC1" class="line" lang="">:type "assem"))</span>])
end
it 'returns plain version for long content' do
stub_const('Gitlab::Highlight::MAXIMUM_TEXT_HIGHLIGHT_SIZE', 1)
result = described_class.highlight(file_name, content)
expect(result).to eq(%[<span id="LC1" class="line" lang="">(make-pathname :defaults name</span>\n<span id="LC2" class="line" lang="">:type "assem"))</span>])
end
it 'highlights multi-line comments' do
result = described_class.highlight(file_name, multiline_content)
html = Nokogiri::HTML(result)
lines = html.search('.s')
expect(lines.count).to eq(3)
expect(lines[0].text).to eq('"""This is line 1 of a multi-line comment.')
expect(lines[1].text).to eq(' This is line 2.')
expect(lines[2].text).to eq(' """')
end
context 'diff highlighting' do
let(:file_name) { 'test.diff' }
let(:content) { "+aaa\n+bbb\n- ccc\n ddd\n"}
let(:expected) do
%q(<span id="LC1" class="line" lang="diff"><span class="gi">+aaa</span></span>
<span id="LC2" class="line" lang="diff"><span class="gi">+bbb</span></span>
<span id="LC3" class="line" lang="diff"><span class="gd">- ccc</span></span>
<span id="LC4" class="line" lang="diff"> ddd</span>)
end
it 'highlights each line properly' do
result = described_class.highlight(file_name, content)
expect(result).to eq(expected)
end
end
describe 'with CRLF' do
let(:branch) { 'crlf-diff' }
let(:path) { 'files/whitespace' }

26
spec/presenters/blob_presenter_spec.rb
View File

@ -18,31 +18,15 @@ describe BlobPresenter, :seed_helper do
subject { described_class.new(blob) }
it 'returns highlighted content' do
expect(Gitlab::Highlight).to receive(:highlight).with('files/ruby/regex.rb', git_blob.data, plain: false, language: nil)
expect(Gitlab::Highlight).to receive(:highlight).with('files/ruby/regex.rb', git_blob.data, plain: nil, language: nil)
subject.highlight
end
context 'with :plain' do
it 'returns plain content when no_highlighting? is true' do
allow(blob).to receive(:no_highlighting?).and_return(true)
it 'returns plain content when :plain is true' do
expect(Gitlab::Highlight).to receive(:highlight).with('files/ruby/regex.rb', git_blob.data, plain: true, language: nil)
subject.highlight
end
it 'returns plain content when :plain is true' do
expect(Gitlab::Highlight).to receive(:highlight).with('files/ruby/regex.rb', git_blob.data, plain: true, language: nil)
subject.highlight(plain: true)
end
it 'returns plain content when :plain is false, but no_highlighting? is true' do
allow(blob).to receive(:no_highlighting?).and_return(true)
expect(Gitlab::Highlight).to receive(:highlight).with('files/ruby/regex.rb', git_blob.data, plain: true, language: nil)
subject.highlight(plain: false)
end
subject.highlight(plain: true)
end
context 'gitlab-language contains a match' do
@ -51,7 +35,7 @@ describe BlobPresenter, :seed_helper do
end
it 'passes language to inner call' do
expect(Gitlab::Highlight).to receive(:highlight).with('files/ruby/regex.rb', git_blob.data, plain: false, language: 'ruby')
expect(Gitlab::Highlight).to receive(:highlight).with('files/ruby/regex.rb', git_blob.data, plain: nil, language: 'ruby')
subject.highlight
end