Convert unicode emojis to images.

2 files changed, 79 insertions, 2 deletions

diff --git a/spec/lib/banzai/filter/emoji_filter_spec.rb b/spec/lib/banzai/filter/emoji_filter_spec.rb
index b5b38cf0c8c..475160bb5ec 100644
--- a/spec/lib/banzai/filter/emoji_filter_spec.rb
+++ b/spec/lib/banzai/filter/emoji_filter_spec.rb
@@ -12,11 +12,14 @@ describe Banzai::Filter::EmojiFilter, lib: true do
     ActionController::Base.asset_host = @original_asset_host
   end
 
-  it 'replaces supported emoji' do
+  it 'replaces supported name emoji' do
     doc = filter('<p>:heart:</p>')
     expect(doc.css('img').first.attr('src')).to eq 'https://foo.com/assets/2764.png'
   end
-
+  it 'replaces supported unicode emoji' do
+    doc = filter('<p>❤️</p>')
+    expect(doc.css('img').first.attr('src')).to eq 'https://foo.com/assets/2764.png'
+  end
   it 'ignores unsupported emoji' do
     exp = act = '<p>:foo:</p>'
     doc = filter(act)
@@ -28,46 +31,96 @@ describe Banzai::Filter::EmojiFilter, lib: true do
     expect(doc.css('img').first.attr('src')).to eq 'https://foo.com/assets/1F44D.png'
   end
 
+  it 'correctly encodes unicode to the URL' do
+    doc = filter('<p>👍</p>')
+    expect(doc.css('img').first.attr('src')).to eq 'https://foo.com/assets/1F44D.png'
+  end
+
   it 'matches at the start of a string' do
     doc = filter(':+1:')
     expect(doc.css('img').size).to eq 1
   end
 
+  it 'unicode matches at the start of a string' do
+    doc = filter("'👍'")
+    expect(doc.css('img').size).to eq 1
+  end
+
   it 'matches at the end of a string' do
     doc = filter('This gets a :-1:')
     expect(doc.css('img').size).to eq 1
   end
 
+  it 'unicode matches at the end of a string' do
+    doc = filter('This gets a 👍')
+    expect(doc.css('img').size).to eq 1
+  end
+
   it 'matches with adjacent text' do
     doc = filter('+1 (:+1:)')
     expect(doc.css('img').size).to eq 1
   end
 
+  it 'unicode matches with adjacent text' do
+    doc = filter('+1 (👍)')
+    expect(doc.css('img').size).to eq 1
+  end
+
   it 'matches multiple emoji in a row' do
     doc = filter(':see_no_evil::hear_no_evil::speak_no_evil:')
     expect(doc.css('img').size).to eq 3
   end
 
+  it 'unicode matches multiple emoji in a row' do
+    doc = filter("'🙈🙉🙊'")
+    expect(doc.css('img').size).to eq 3
+  end
+
+  it 'mixed matches multiple emoji in a row' do
+    doc = filter("'🙈:see_no_evil:🙉:hear_no_evil:🙊:speak_no_evil:'")
+    expect(doc.css('img').size).to eq 6
+  end
+
   it 'has a title attribute' do
     doc = filter(':-1:')
     expect(doc.css('img').first.attr('title')).to eq ':-1:'
   end
 
+  it 'unicode has a title attribute' do
+    doc = filter("'👎'")
+    expect(doc.css('img').first.attr('title')).to eq ':thumbsdown:'
+  end
+
   it 'has an alt attribute' do
     doc = filter(':-1:')
     expect(doc.css('img').first.attr('alt')).to eq ':-1:'
   end
 
+  it 'unicode has an alt attribute' do
+    doc = filter("'👎'")
+    expect(doc.css('img').first.attr('alt')).to eq ':thumbsdown:'
+  end
+
   it 'has an align attribute' do
     doc = filter(':8ball:')
     expect(doc.css('img').first.attr('align')).to eq 'absmiddle'
   end
 
+  it 'unicode has an align attribute' do
+    doc = filter("'🎱'")
+    expect(doc.css('img').first.attr('align')).to eq 'absmiddle'
+  end
+
   it 'has an emoji class' do
     doc = filter(':cat:')
     expect(doc.css('img').first.attr('class')).to eq 'emoji'
   end
 
+  it 'unicode has an emoji class' do
+    doc = filter("'🐱'")
+    expect(doc.css('img').first.attr('class')).to eq 'emoji'
+  end
+
   it 'has height and width attributes' do
     doc = filter(':dog:')
     img = doc.css('img').first
@@ -76,12 +129,26 @@ describe Banzai::Filter::EmojiFilter, lib: true do
     expect(img.attr('height')).to eq '20'
   end
 
+  it 'unicode has height and width attributes' do
+    doc = filter("'🐶'")
+    img = doc.css('img').first
+
+    expect(img.attr('width')).to eq '20'
+    expect(img.attr('height')).to eq '20'
+  end
+
   it 'keeps whitespace intact' do
     doc = filter('This deserves a :+1:, big time.')
 
     expect(doc.to_html).to match(/^This deserves a <img.+>, big time\.\z/)
   end
 
+  it 'unicode keeps whitespace intact' do
+    doc = filter('This deserves a 🎱, big time.')
+
+    expect(doc.to_html).to match(/^This deserves a <img.+>, big time\.\z/)
+  end
+
   it 'uses a custom asset_root context' do
     root = Gitlab.config.gitlab.url + 'gitlab/root'
 
diff --git a/spec/models/merge_request_diff_spec.rb b/spec/models/merge_request_diff_spec.rb
index 530a7def553..96f1f60dbc0 100644
--- a/spec/models/merge_request_diff_spec.rb
+++ b/spec/models/merge_request_diff_spec.rb
@@ -44,6 +44,16 @@ describe MergeRequestDiff, models: true do
       end
     end
 
+    context 'when the raw diffs have invalid content' do
+      before { mr_diff.update_attributes(st_diffs: ["--broken-diff"]) }
+
+      it 'returns an empty DiffCollection' do
+        expect(mr_diff.raw_diffs.to_a).to be_empty
+        expect(mr_diff.raw_diffs).to be_a(Gitlab::Git::DiffCollection)
+        expect(mr_diff.raw_diffs).to be_empty
+      end
+    end
+
     context 'when the raw diffs exist' do
       it 'returns the diffs' do
         expect(mr_diff.raw_diffs).to be_a(Gitlab::Git::DiffCollection)