Only highlight search results under the highlighting size limit

We should use this limit everywhere, but especially in project search results,
where we could be highlighting very long single lines. (Typical examples:
minified JavaScript, and JSON data files.)
This commit is contained in:
Sean McGivern 2018-01-15 15:00:58 +00:00
parent 82f4564fb7
commit 91939161aa
3 changed files with 14 additions and 0 deletions

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@ -1,6 +1,8 @@
module BlobHelper
def highlight(blob_name, blob_content, repository: nil, plain: false)
plain ||= blob_content.length > Blob::MAXIMUM_TEXT_HIGHLIGHT_SIZE
highlighted = Gitlab::Highlight.highlight(blob_name, blob_content, plain: plain, repository: repository)
raw %(<pre class="code highlight"><code>#{highlighted}</code></pre>)
end

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@ -0,0 +1,5 @@
---
title: Only highlight search results under the highlighting size limit
merge_request: 16462
author:
type: performance

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@ -22,6 +22,13 @@ describe BlobHelper do
expect(result).to eq(%[<pre class="code highlight"><code><span id="LC1" class="line" lang="">:type "assem"))</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>]